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HomeMy WebLinkAbout20201357 Ver 1_Draft Mitigation Plan_20210325 Mitigation Project Information Upload ID#* 20201357 Version* 1 Select Reviewer:* Erin Davis Initial Review Completed Date 03/26/2021 Mitigation Project Submittal -3/25/2021 Is this a Prospectus,Technical Proposal or a New Site?* r Yes r No Type of Mitigation Project:* 17. Stream r Wetlands r Buffer r Nutrient Offset (Select all that apply) Project Contact Information Contact Name:* Email Address:* Catherine Manner catheirne@waterlandsolutions.com Project Information ....................................................................................................................................................................................................................................................................................................................................................................................................... ID#:* 20201357 Version:*1 Existing ID## Existing Version Project Type: r DMS C•' Mitigation Bank Project Name: Starker Mitigation Project County: Catawba Document Information Mitigation Document Type:* Mitigation Plans File Upload: WLS Catawba 01_Draft Mitigation Plan_reduc.pdf 91.85MB Rease upload only one R7Fof the complete file that needs to be submitted... Signature Print Name:* Catherine Manner Signature:* WATER & LAND SOLUTIONS March 19, 2021 US Army Corps of Engineers:Wilmington District Raleigh Regulatory Field Office Attn: Kim Browning 3541 Carolyn Drive Raleigh, NC 27604 RE: WLS Catawba 01 Umbrella Mitigation Bank-Starker Mitigation Project Draft Mitigation Plan and Umbrella Mitigation Banking Instrument Dear Ms. Kim Browning: Please find attached to this letter a hard copy of the Starker Draft Mitigation Plan and an unsigned Umbrella Mitigation Banking Instrument for the WLS Catawba 01 Umbrella Mitigation Bank. We are sending these files to start the 30-day completeness review. Please email me when WLS can upload a copy to RIBITS. We are excited about this project and look forward to working with you and other IRT members on this project. If you need any additional information, please contact me directly. Sincerely, Catherine Manner Project Manager 7721 Six Forks Rd., Suite 130 Raleigh, NC 27615 Mobile Phone: 571-643-3165 Email: catherine@waterlandsolutions.com waterlandsolutions.com I 7721 Six Forks Rd, Ste 130, Raleigh, NC 27615 I 919-614-5111 Draft Mitigation Plan Starker Mitigation Project WLS Catawba 01 Umbrella Mitigation Bank Catawba County, North Carolina Private Commercial Mitigation Bank for Stream and Riparian Wetland Compensatory Mitigation Credits Catawba River Basin, HUC 03050101 Warm Water Thermal Regime USACE Action ID Number: SAW-2020-01540 Prepared for: U.S. Army Corps of Engineers, Wilmington District 69 Darlington Avenue Wilmington, North Carolina 28403-1343 Prepared by: 4 WATER & LAND SOLUTIONS 7721 SIX FORKS ROAD, SUITE 130, RALEIGH, NC 27615 (919) 614-5111 I waterlandsolutions.com March 2021 Table of Contents 1 Introduction 6 1.1 Background 6 1.2 Bank Sponsor 6 1.3 Mitigation Goals and Objectives 6 2 Bank Establishment and Operation 7 2.1 Site Selection 7 2.2 Service Area 8 2.3 Site Protection Instrument 8 2.4 Watershed Need and Feasibility 8 3 Baseline Information 9 3.1 Watershed Characterization 9 3.1.1 Surface Water Classification 9 3.1.2 Jurisdictional WOTUS 9 3.1.3 NC SAM and NC WAM 9 3.2 Land Use and Development Trends 10 3.3 Landscape Characteristics 10 3.3.1 Physiography and Geology 10 3.3.2 Soils 10 3.3.3 Climate 11 3.3.4 Existing Vegetation 11 3.4 Existing Stream Conditions 13 3.4.1 Geomorphic Assessment 13 3.4.2 Existing Reach Descriptions 14 3.4.3 Sediment Supply, Delivery and Storage 17 3.5 Potential Site Constraints 17 3.5.1 Existing Easements on the Site 17 3.5.2 Utility Corridors within the Site 18 3.5.3 Mineral or Water Rights Assurance 18 3.5.4 FEMA Floodplain Compliance and Hydrologic Trespass 18 3.5.5 Invasive Species Vegetation 18 3.5.6 Potential Future Land-Use 18 3.6 Regulatory Considerations 19 4 Draft Mitigation Plan Starker Mitigation Project Page 2 3.6.1 Cultural Resources 19 3.6.2 Threatened and Endangered Species 19 3.6.3 Conditions Affecting Hydrology 19 3.6.4 Adjacent Land Use 20 4 Functional Uplift Potential 20 4.1.1 Restoration Potential and Project Benefits Summary 21 5 Determination of Credits 23 5.1 Proposed Mitigation Credit Types 23 5.2 Credit Release Schedule 23 6 Mitigation Work Plan 24 6.1 Design Approach 24 6.2 Design Criteria Selection 26 6.2.1 Stream Design Reach Summary 28 6.3 Flow Regime 30 6.3.1 Regional Curve Comparison 31 6.3.2 Channel Forming Discharge 32 6.3.3 Channel Stability and Sediment Transport Analysis 34 6.4 Reference Sites 36 6.4.1 Reference Streams 36 6.5 Water Quality Treatment Features 37 6.6 Revegetation Plan 37 6.6.1 Planting Materials and Methods 38 6.7 Site Construction Methods 39 6.7.1 Site Grading and Construction Elements 39 6.7.2 Stream, Wetland and Floodplain Improvement Features 40 6.7.3 Construction Feasibility 40 6.7.4 Future Project Risks and Uncertainties 40 7 Maintenance Plan 41 8 Performance Standards 42 8.1 Streams 42 8.2 Vegetation 43 8.3 Invasive Species 43 9 Monitoring Plan 44 4 Draft Mitigation Plan Starker Mitigation Project Page 3 9.1 Stream Monitoring 44 9.1.1 Hydrologic Monitoring 44 9.1.2 Geomorphic Monitoring 44 9.1.3 Flow Duration Monitoring 45 9.2 Vegetation Monitoring 46 9.3 Visual Assessment Monitoring 47 10 Long-Term Management Plan 48 11 Adaptive Management Plan 49 12 Financial Assurances 49 13 References 51 Tables Table 1. Parcel Ownership Information 8 Table 2. NCSAM/NCWAM Summary 10 Table 3. Existing Project Site Vegetation 12 Table 4. Reach Watershed Drainage&Jurisdictional Status for Project Reaches 13 Table 5. Existing Channel Morphology Summary 14 Table 6. Function-Based Goals and Objectives Summary 20 Table 7. Project Benefits Summary 22 Table 8. Proposed Stream Mitigation Credits (SMCs) 23 Table 9. Credit Release Schedule 24 Table 10. Proposed Design Parameters 27 Table 11. Flow Level and Ecological Role 31 Table 12. North Carolina Rural and Urban Piedmont Regional Curve Equations 31 Table 13. Design Discharge Analysis Summary 33 Table 14. Boundary Shear Stress and Stream Power 35 Table 15. Reference Reach Data Comparison 37 Table 16. Proposed Riparian Buffer Bare Root Plantings 38 Table 17. Proposed Riparian Buffer Permanent Seeding 39 Table 18. Routine Maintenance Components 42 Table 19. Proposed Monitoring Plan Summary 48 Table 20. Financial Assurances 50 4 Draft Mitigation Plan Starker Mitigation Project Page 4 Figures Figure 1 Project Location Map Figure 2 Service Area Map Figure 3 USGS Topographic Quad Map Figure 4 NRCS Soils Map Figure 5 LiDAR Map Figure 6 FEMA Floodplain Map Figure 7a, 7b, 7c, 7d Historic Aerial Map Figure 8 Existing Conditions Map Figure 9 Proposed Mitigation Map Figure 10 Proposed Monitoring Map Appendices Appendix A Design Plan Sheets Appendix B Existing Conditions Information Appendix C Site Analysis Data Appendix D Site Protection Instrument Appendix E USACE Assessment Forms Appendix F WOTUS Information Appendix G Agency Correspondence Appendix H Site Photographs 4 Draft Mitigation Plan Starker Mitigation Project Page 5 1 Introduction 1.1 Background Water & Land Solutions, LLC (WLS) is submitting this mitigation plan for the Starker Mitigation Project ("Project") under the WLS Catawba 01 Umbrella Mitigation Bank ("Bank"). The proposed Bank is being developed as a private commercial umbrella mitigation bank to allow for the addition of future mitigation sites located in the Catawba River Basin, 8-digit Hydrologic Unit Code (HUC) 03050101 (Figure 2). The purpose of the Bank is to provide stream and wetland mitigation credits to compensate for unavoidable impacts to Waters of the U.S. authorized under sections 401 and 404 of the Clean Water Act, Section 10 of the Rivers and Harbors Act, and all applicable state statutes. The Project is providing 9,656.73 warm thermal regime stream mitigation credits and 29.91 acres of easement that will be protected in perpetuity. This mitigation plan was prepared in accordance with C.F.R. §332.1-8 (2008), Compensatory Mitigation for Losses of Aquatic Resources, and was based on current United States Army Corps of Engineers — Wilmington District (USACE) Guidance, which is subject to the approval of the USACE District Engineer (DE) in consultation with the North Carolina (NC) Inter-Agency Review Team (IRT). 1.2 Bank Sponsor WLS will serve as the Bank Sponsor for the WLS Catawba 01 Umbrella Mitigation Bank, Starker Mitigation Site.The contact information for the sponsor is listed below: Water& Land Solutions, LLC Attn: Adam V. McIntyre 7721 Six Forks Rd, Suite 130 Raleigh, NC 27615 Phone: 919-614-5111 Email: adam@waterlandsolutions.com 1.3 Mitigation Goals and Objectives The Project mitigation goals are to provide numerous water quality and ecological benefits within the Lyle Creek sub-basin and Catawba River watersheds. Major goals for the Catawba River basin, as described in the Catawba River Basin Restoration Priorities (RBRP; NCEEP, 2007, amended 2013) include: 1) improved management of stormwater runoff to Crowder and Catawba creeks, 2) protection of the critical water supply reservoirs in the region and their immediate riparian zones, and 3) land protection for important natural and cultural resource sites including the Bunker Hill bridge over Lyle Creek.The Project will: • Restore aquatic habitats that are currently degraded by cattle access and bank erosion. • Improve water quality by excluding cattle. • Restore riparian buffers. • Stabilize streams that are part of a WS-IV watershed. • Serve to continue existing water quality initiatives that are on-going in the watershed. • Enhance/restore riparian wetlands by reconnecting the stream to its historic floodplain. 4 Draft Mitigation Plan Starker Mitigation Project Page 6 In the Catawba River Basin wide Water Quality Plan (NCDWQ, 2010), the Lyle Creek Watershed (03050101140010, Figure 1) is specified for protection efforts that include headwater streams that drain to Lake Norman, a water supply reservoir. As part of the proposed Project, approximately 10,000 linear feet of stream (warm water thermal regime) will be stabilized, enhanced, and restored. The Lyle Creek watershed is described as 39% agricultural land, and a majority of Lyle Creek receives agricultural runoff. The proposed restoration work for the Project would restore riparian buffers at least 50 feet in width along all stream reaches. This proposed work will provide significant reductions in nutrients, sediment, and fecal coliform supplied to Mull Creek, Lyle Creek, and ultimately Lake Norman. To accomplish these goals, the following site-specific objectives will be measured to document overall project success: • Provide a floodplain connection to the incised Project stream reaches by lowering bank height ratios (BHRs) to less than 1.2, thereby promoting more natural floodplain storage and overbank flood flows, • Improve bedform diversity by increasing scour pool to pool spacing and depth variability, • Increase native species riparian buffer and wetland vegetation density/composition along streambank and riparian areas, • Improve aquatic habitat and fish species diversity and migration through the addition of in-stream cover and native woody debris, • Site protection through a 29.91-acre conservation easement with minimum 50-foot riparian buffers from the top of banks along all streams in perpetuity. The existing conditions site assessment suggests that the proposed mitigation activities will result in a higher functioning aquatic ecosystem.The project goals and objectives address water quality stressors by reducing nutrient and sediment inputs through stream restoration, riparian buffer restoration, and riparian wetland rehabilitation. Hydrologic functions will be improved by raising the local water table.The biologic and habitat functions will be improved by the revegetation of the riparian buffers. Additionally, a 29.91-acre conservation easement will protect stream reaches and aquatic resources in perpetuity. These mitigation efforts will provide a significant ecological benefit with minimal impacts and constraints during a recovery period that would not otherwise occur through natural processes. 2 Bank Establishment and Operation 2.1 Site Selection The Project site is located in Catawba County, North Carolina (35.5734°, -81.17304°). The site is part of the Catawba River Headwaters Subbasin, HUC 03050101 (Figure 1). The proposed site includes two unnamed tributaries to Mull Creek (S100 and S200), which drain into Lyle Creek and ultimately Lake Norman. Mull Creek, near the project site, drains portions of the City of Conover and the Town of Claremont. Both municipalities are experiencing growth into surrounding rural areas, and the Project is directly abutting both sides of Interstate 40(1-40) between mile markers 133 and 135.The site is currently in agricultural use but is potentially a future commercial/residential development area. 4 Draft Mitigation Plan Starker Mitigation Project Page 7 2.2 Service Area The proposed Geographic Service Area (GSA) for the Bank is illustrated in Figure 2 and will provide compensatory mitigation credits for unavoidable, permitted impacts to Waters of the United States in the Catawba River Basin (8-Digit HUC 03050101). Use of approved mitigation credits from the bank to compensate for impacts outside the GSA may be considered by USACE on a case-by-case basis.The Project will provide compensatory mitigation for warm stream impacts. Future sites may be developed in the Bank that provide both warm and cool stream mitigation credits as well as wetland mitigation credits. 2.3 Site Protection Instrument The Sponsor has obtained agent authorization forms and option agreements to purchase a conservation easement for each of the property parcels that comprise the Project. Copies of the agent authorization forms and draft conservation easement are provided in Appendix D. The Sponsor shall record a conservation easement with the Catawba County Clerk that has been approved by the USACE, in coordination with the IRT, and provide a copy of the recorded conservation easement to the USACE. The current property owner for the Project site is listed in Table 1 below. Table 1. Parcel Ownership Information Owners of Record Parcel ID Number Conservation Deed Reference Easement Acres BK/PG 375210364087 375219523168 Hunsucker Farms, LLC 375215732614 29.91 03599/0062-0065 375216831456 375215534132 375211558910 The conservation easement will ensure that the site will be protected in perpetuity from land uses that are inconsistent with the UMBI. Apart from USACE-approved activities (in coordination with the IRT), the site shall not be disturbed by activities that would adversely affect the intended extent, condition, or function of the bank.The conservation easement shall not be removed or modified without prior written approval of the USACE. 2.4 Watershed Need and Feasibility As a result of implementing this Project, WLS will restore and protect approximately 10,000 linear feet of stream. The restoration will offset unavoidable impacts to Waters of the United States associated with rapid growth and development and improve and protect aquatic resource functions in the region. The technical feasibility of the bank is assured due to WLS' extensive experience with stream and wetland restoration and enhancement in North Carolina and throughout the Southeast. Examples of WLS' success with stream restoration and enhancement include the WLS Neuse 01 Umbrella Mitigation Bank and the WLS Yadkin 01 Umbrella Mitigation Banks.The absence of fatal flaws,such as hydrologic trespass,and the absence of threatened and endangered species and their habitats means the project is unlikely to be impeded by resource issues, or by objections from landowners. 4 Draft Mitigation Plan Starker Mitigation Project Page 8 3 Baseline Information WLS performed an existing conditions assessment for the site by compiling and analyzing baseline information, aerial photography, and field data. The purpose of this assessment was to determine how aquatic resource functions have been impacted within the catchment area. Parameters such as watershed drainage area, percent impervious cover, land use, climate, and hydrology were evaluated. The following sub-sections further describe the existing site conditions, degrees of impairment, and primary controls that were considered for developing an appropriate restoration design approach. 3.1 Watershed Characterization 3.1.1 Surface Water Classification The site includes two unnamed tributaries to Mull Creek,which drains into Lyle Creek and ultimately Lake Norman. Lyle creek is listed as WS-IV(Water Supply IV- Highly Developed) and flows into Lake Norman, a water supply reservoir, approximately four miles downstream of the confluence of Mull Creek and Lyle Creek. 3.1.2 Jurisdictional WOTUS WLS investigated on-site jurisdictional WOTUS using the USACE Routine On-Site Determination Method. This method is defined in the 1987 USACE Wetlands Delineation Manual and subsequent Eastern Mountain and Piedmont Regional Supplement. Stream classification utilized the NCDWQ Stream Identification Form.Potential jurisdictional(JD)wetland areas as well as upland areas were classified using the USACE Wetland Determination Data Form.The results of the on-site field investigation indicated that all Project reaches were determined to be jurisdictional stream channels. In addition, five jurisdictional wetland areas were delineated within the proposed Project area (See Figure 8) located on floodplains(WA is 1.2 acres, WB is 0.03 acres, WC is 0.03 acres, WD is 0.03 acres, and WE is 0.04 acres). All of these jurisdictional wetlands are inside the proposed conservation easement. WLS received a preliminary jurisdictional determination (PJD) from the USACE in March 2021 and supporting documents and agency correspondence are provided in Appendix F. 3.1.3 NC SAM and NC WAM WLS completed stream and wetland assessments using the NC Wetland Assessment Method (NC WAM, Version 5.0, 2015) and NC Stream Assessment Method (NC SAM, Version 2.1, 2015). WLS evaluated the NC WAM and NC SAM metrics relevant to the Project wetland areas and stream reaches (See Appendix E).The Project reaches all scored 'low'due to previous dredging, lack of buffer,and water quality stressors from agriculture,and altered stream morphology.Wetland area WA,WB,WC and WE rated 'medium'due to some disturbed conditions.Wetland area WD rated 'low'due to poor habitat conditions.The ecological assessments also incorporated qualitative and quantitative observations using historic aerials, field evaluations, and detailed topographic survey data collected across the site. The conclusions from these assessments help describe the current stream and wetland conditions and functional ratings, however, these methods are not intended for determining mitigation success on the site. 4 Draft Mitigation Plan Starker Mitigation Project Page 9 Table 2. NCSAM/NCWAM Summary Reach 5100 5200 Name NCSAM Low Low Rating Wetland WA WB WC WD WE Name NCWAM Medium Medium Medium Low Medium Rating 3.2 Land Use and Development Trends A historical aerial review from 1951 to present (Figures 7a-7d) was conducted to document landscape changes in the watershed. Prior to the development of 1-40 in 1960 the area consisted mostly of row crop and pasture. In 1960, interstate 40 was built through Catawba county (Figure 7b) dissecting the project site. Other than the disturbance of 1-40, the land uses in this watershed have stayed relatively the same since 1950, including the stream buffer surrounding the project site. It is anticipated that this watershed will ultimately be developed and include residential single family and multi-family homes as well as light industrial space. A highway commercial space is also being developed on the property adjacent to the project site. 3.3 Landscape Characteristics 3.3.1 Physiography and Geology The site is in the Northern Inner Piedmont Level IV Ecoregion. This area has higher elevations with more rugged topography than other areas of the Piedmont as well as mostly mesic soils rather than thermic soils. More specifically, this area consists of Amphibolite and Biotite Geniss ('CZab') (Geologic Map of North Carolina, NC Geological Survey, 1998). Streams in this area usually have a higher gradient than streams in the Outer Piedmont and contain mountain type macroinvertebrate species. (Griffith et al, 2002). 3.3.2 Soils Soils at the site were initially determined using NRCS soil survey data for Catwaba County(NRCS Catawba County Soil Survey, 1975).As shown on the NRCS Soils Map(Figure 4), existing floodplain soils around the reaches are mostly within the mapping units TmD, TmC, TmB, TmE and CsA. TmD soils are described as Tomlin loam (10 to 15 percent slopes), TmC is described as Tomlin loam (6 to 10 percent) and TmE soils are described as Tomlin loam (15 to 25 percent slopes). TmD, TmC and TmE are found on hillslopes and ridges and the soils parent material is saprolite derived from diorite and gabbro or diabase or gneiss.TmB soils are described as Tomlin loam (2 to 6 percent slopes) and are found on interfluves. CsA soils are described as Codorum loam (0 to 2 percent slopes), and these soils are found on floodplains and are frequently flooded, the parent material is loamy alluvium derived from igneous and metamorphic rock. On-site soils investigations were conducted to identify potential hydric soils in October 2018 by licensed soil scientist(LSS), Michael G.Wood, LSS with Three Oaks Engineering(See Hydric Soils Report in Appendix B).The findings were based on hand-turned auger borings and indicate the presence of hydric soils along 4 Draft Mitigation Plan Starker Mitigation Project Page 10 the floodplains at the top of reach S100.The hydric soils status is based upon the Field Indicators of Hydric Soils in the United States (USDA, NRCS, 2018, Version 8.2). 3.3.3 Climate Catawba County has a warm moderately humid climate with hot summers, minimal snowfall and no dry season (NRCS, 1975).The average growing season for the Project site is 205 days, beginning mid-April and ending in late October(NRCS Catawba County Soil Survey).The average annual precipitation in the Project area is approximately 49.2 inches with a consistent monthly distribution, except for convective storm events or hurricanes that occur during the summer and fall months. Over the past 48 months, the Rain gage at Oxford Rs near Claremont, NC has recorded 119.31 inches of rain (USGS). 3.3.4 Existing Vegetation Historic land management surrounding the Project area has been primarily for agricultural purposes. Prior to anthropogenic land disturbances, the riparian vegetation community likely consisted of Mesic Mixed Forest (Piedmont subtype) in the uplands with Alluvial Forest and Piedmont Bottomland Forest in the lower areas and floodplains (Schafale, 2012). The existing vegetation within the Project area consists of open pastureland with a mature canopy with a limited understory adjacent to the streams (Table 3). 4 Draft Mitigation Plan Starker Mitigation Project Page 11 Table 3. Existing Project Site Vegetation Common Name Scientific Name Red maple Acer rubrum Red cedar Juniperus virginiana Yellow-poplar Liriodendron tulipifera Red oak Quercus falcata Canopy Vegetation American sycamore Plantanus occidentalis River birch Betula nigra White pine Pinus strobus Black walnut Juglan nigra White oak Quercus alba Black willow Salix nigra Pawpaw Asimina triloba American holly Ilex opaca Understory&Woody Black cherry Prunus serotina Shrubs Multiflora rose Rosa multiflora Hazel alder Alnus serrulata Spicebush Lindera benzoin Chinese privet Ligustrum sinense Muscadine Vitis rotundifolia Japanese honeysuckle Lonicera japonica Common greenbrier Smilax rotundifolia Meadow garlic Allium canadense Herbaceous&Vines Tall fescue Festuca arundinacea Highbush blackberry Rubus argutus Canada goldenrod Solidago canadensis Soft rush Juncus effusus Agricultural Fields: Currently, most field areas surrounding the Project area are used for cattle grazing and the vegetation within open field areas is primarily comprised of fescue with scattered canopy trees adjacent to the stream. Mixed Hardwood Forest: The mature canopy is dominated by red maple, yellow poplar, red oak, white oak, and black walnut. Woody shrub species include papaw, black willow, black cherry, hazel alder, and spicebush. Vine species include honeysuckle and muscadine. Herbaceous species include various sedges, rush,fescue, and blackberry. Invasive Species Vegetation: The invasive species vegetation present on the Project site are primarily, Chinese privet,Japanese stiltgrass (Microstegium vimineum), and multiflora rose. 4 Draft Mitigation Plan Starker Mitigation Project Page 12 3.4 Existing Stream Conditions 3.4.1 Geomorphic Assessment WLS conducted geomorphic and ecological assessments of the Project reaches to determine the current stream function,channel stability,and the impact of past and current land use on the Project site's aquatic resources. From historical aerial research, evidence was found to demonstrate that most of the Project area has been heavily impacted from historic and current land use practices, including interstate development.A further review of topographic maps,field investigation of on-site features,similar stream and wetland reference conditions,and LiDAR survey data provide clear evidence that the existing channel patterns that appear to be indicative of valley signatures, valley slopes, and drainage basins that likely supported headwater stream and wetland systems with associated bottomland hardwood forest. The tributaries within the Project boundary flow directly to Mull Creek. The streams at the Project were broken down into nine reaches [S100 (N of 1-40, above crossing), S102, S103, S100 (N of 1-40, below crossing), S100 (S of 1-40), S101, S200 (N of 1-40), S200 (S of 1-40, above crossing), and S200 (S of 1-40, below crossing)] totaling approximately 9,965 linear feet of existing streams. Table 4 provides reach designations, approximate drainage area, stream status based on field analysis and NCDWR stream classification form score. Table 4. Reach Watershed Drainage&Jurisdictional Status for Project Reaches Project Reach Watershed Drainage Area Stream Status Based on NCDWQ Stream (ac)/(sq mi) Field Analyses Classification Form Score S100(N of 1-40, 59/0.09 Perennial 35.5 above crossing) S102 5/0.008 Intermittent 28.5 S103 2.5/0.004 Intermittent 22 S100(N of 1-40, 193/0.30 Perennial 35.5 below crossing) S100(S of 1-40) 252/0.39 Perennial 35.5 S101 12/0.02 Intermittent 29 S200(N of 1-40) 84/0.13 Perennial 34.5 S200(S of 1-40) 169/0.26 Perennial 34.5 Note: Watershed drainage area was approximated based on topographic and LiDAR information and compared with USGS StreamStats at the downstream end of each reach. 4 Draft Mitigation Plan Starker Mitigation Project Page 13 Table 5 characterizes the existing stream morphology based on general descriptions, channel evolution (Simon, 1989) and Rosgen stream classification (Rosgen, 1994). Table 5. Existing Channel Morphology Summary Typical Existing Bank Existing Channel Project Reach Entrenchment Width/Depth Length Height Type(Rosgen Designation (If) Ratio(ER) Ratio(W/D) Ratio Classification) (BHR) S100(North of I- 40,above 1,127 2.3 7 2.3 Incised E crossing) S102 110 1.9 8 2.2 B(functioning as a G) S103 81 - - - - S100(North of I- 40,below 2,490 1.1 19 4 F crossing) S100(South of I- 1,829 1.7 6 3.1 B(functioning as a 40) G) S101 96 1.1 14 3.5 F S200(Northof I- 785 1.6 3 3.3 B(functioning as a S200(South of I- 40,above 550 2.2 16 1 C crossing) S200(South of I- 40,below 2,897 1.9 5 1.7 B(Functioning as a crossing) G) 3.4.2 Existing Reach Descriptions : . 5100 (North of 1-40, above crossing): Reach S100 uk * . ; ,- begins as a deep gully near Rock Barn Road on the , northern end of the property. The gully is approximately 12 to 15 feet deep, highly unstable, . Y and has been used in the past as a dumping area for farm trash and waste. At the base of the gully \ - system,several strong springs originate and form the headwaters of the S100 system. Incision of the M stream decreases downstream; however,the system r'.I , u is incised (BHR > 1.5) along its entire length. Large trees are present along the banks of the upper Reach 5100 demonstrates the ability to portion of S100, but not along the lower portion. enhance riparian wetlands through stream From the middle portion of S100 to the end of the restoration and buffer plantings. reach, adjacent riparian wetland areas become prevalent due to considerable discharge of groundwater along the adjacent toe of slopes. The function of these wetlands is being impacted by the incised stream 4 Draft Mitigation Plan Starker Mitigation Project Page 14 condition and frequent cattle access which is prevalent along the entire reach. S100 above the crossing ends at the inlet of a 24 inch diameter culverted crossing for a farm path which provides a downstream structural grade control point. S102: Reach S102 is a direct tributary to S100. S102 begins as a spring head approximately 100 feet upslope of and near the middle of S100 above 1-40. The reach is heavily impacted by cattle and sections of the streambanks have been completely trampled.The channel has been filled with sediment from the eroding banks, and flow is diffuse and impeded due to cattle crossing near the middle of the reach.There are crayfish and frogs in the reach, but the biological function of the stream has been severely impacted by sedimentation and habitat degradation. Reach S102 ends at its confluence with Reach S100. S103: Reach S103 is a short tributary to S100, which starts at a large headcut where the adjacent slope has failed. There was water flowing for much of its length during site visits, though the streambed sediments are largely influenced by large scale erosion of the adjacent upland soils. S100(North of 1-40,below crossing):This reach begins at the culvert outlet below the farm path crossing. The pipe is perched due to a past headcut.As a result of the headcutting,incision along the reach is higher, resulting in greater sediment loss due to bank scour and mass wasting than in Reach S100 (above crossing).This section of S100 is predominantly wooded; however,trees along the riparian floodplain are relatively sparse and consist primarily of successional species. Cattle are constantly accessing the wooded areas for shade and multiple areas along this section of S100 and are active loafing areas with an over- widened channel and trampled banks. Anthropogenic channel modification is evident with the channel's location against the right side of the valley,creating areas of mass wasting with bank heights much greater than those associated with the remainder of the incised channel.The lower section of S100 closer to 1-40 has been fenced off from cattle and has been left for reforestation to occur; however, this area presents the most active channel evolutionary processes. Numerous tree falls exist and continue to occur where the channel is actively increasing meander width.Almost all outside bends are characterized by extremely high, vertical banks with larger trees precariously perched on top.The top third of these banks consist of exposed roots and overhanging banks with little to no surface protection or rooting depth at the lower elevations where channel interaction occurs. Where Reach S100 approaches the 72-inch culvert under I- 40,the bank height ratio drops to a relatively stable condition and the substantial erosive forces no longer seem apparent, most likely due to the backwater effects the culvert during higher flows. 5100(South of 1-40): Reach S100 begins at the downstream outlet of the 72-inch culvert under 1-40. The outlet is laid on a natural bedrock seam which is providing vertical stability, however the increased velocities at the outlet of this extremely long stretch of culvert are impacting the banks with localized scour.The upper portion of S100 below 1-40 is wooded along the right bank, but the forest along the left bank has recently been cleared, leaving only a thin line of trees. Cattle have been fenced out of this upper part of S100 south of 1-40. However, as with the lower portion of S100, many of the channel evolutionary processes are manifesting through mass wasting of outer bends and localized toe scour within riffle and run sections. Much of the upper section of S100 south of 1-40 contains tree falls and/or debris jams creating localized areas of unstable vertical banks up and down stream. As S100 begins to transition to the floodplain of Mull Creek, cattle access resumes, the riparian buffer is reduced, and human channel modification once again become apparent through channel straightening. Cattle are using several loafing areas where substantial shade exists, causing trampled banks. Almost all outer bends through this lower portion of S100 are characterized by nearly vertical banks covered by herbaceous vegetation with few moderately sized trees. An existing 36-inch CMP farm culvert is in place towards the end of the reach which acts as a pinch point for the stream,causing localized scour and instability in the banks up and down 4 Draft Mitigation Plan Starker Mitigation Project Page 15 stream. Finally,the confluence with Mull Creek is vertically stable as Mull Creek has some bedrock controls within the vicinity of the confluence that would provide an excellent tie in point with minimal concern of future headcutting. S101:Reach S101 is a direct tributary to S100.S101 begins as spring head approximately 100 feet upslope of and near the lower end of Reach S100. The reach is not currently impacted by cattle but is incised and actively eroding. Efforts have been made by the landowner to prevent the headcut from worsening by filling the channel with logs and debris, but the channel still appears to be actively eroding and downcutting. Based on historical aerial imagery from 1951, it appears that S101 could have been a functioning stream before the construction of 1-40.There is evidence that the watershed for the tributary was split by the highway and the stream was diverted into a ditch that flows into S100 north of 1-40 below the crossing. Upstream of the jurisdictional break, the channel appears to have been straightened and filled. In addition to overland stormwater flow,S101 is also fed by groundwater from several streambank seeps. Reach S101 ends at its confluence with Reach S100. S200(North of 1-40):Similar to S100 to Mull Creek, S200 to Mull Creek can be generally characterized as a sand-dominated transport channel that is spring fed,with significant incision, partial entrenchment,and undergoing many of the same channel evolution steps present in S100 to Mull Creek. As with S100, S200 to Mull Creek has experienced stressors associated with agricultural practices: human channel modification, cattle access, and timbering. Reach S200 north of 1-40 begins as a small wetland area that is fed by hill slope springs near the main farmhouse and buildings. At a 21 inch culverted farm crossing just downstream, the stream incises greatly due to headcutting that has migrated up the stream system to the culvert. From the farm crossing culvert down to near the NCDOT right-of-way for 1-40, the stream is highly incised with extreme bank heights and considerable ongoing scour erosion and mass wasting. Headcuts are actively moving through this reach.Approximately 50 feet upstream of the NCDOT right-of- way, the stream has formed an active wetland floodplain within the overly widened channel that is relatively stable; however, there is still some erosion along the adjacent terrace banks due to overland flow and runoff. S200 (South of 1-40, above crossing): This reach begins directly below the 1-40 right-of-way and flows approximately 583 feet to a culverted farm crossing.The reach appears to have over-widened in the past, perhaps due to heavy cattle access, but has now formed a relatively stable wetland floodplain at a lower elevation. The developing floodplain is dominated by herbaceous vegetation with little deep rooting woody vegetation established. Cattle have been excluded from the reach for some time, perhaps because of the high, steep streambanks that are still eroding in some locations. This section ends at a culverted farm crossing that appears to be appropriately sized, but is experiencing some erosion due to poor stabilization practices. 4 Draft Mitigation Plan Starker Mitigation Project Page 16 ` 5200 (South of 1-40, below crossing): This section q ' ,' a. " begins at the culverted farm crossing and extends . _i ._ - • . down to the confluence of S200 with Mull Creek. The culvert is a 60 inch CMP. The reach is highly incised . + -\' along much of its length with considerable areas of bank scour and mass wasting. The upper 800 feet and ; lower 700 feet of the reach have sparse mature trees , that offer limited riparian protection, and cattle have i • y active access to these areas. The middle 1,300 feet of ;z---,...474,cie.... - channel was cleared of trees in 2009, and the area , t - alongthe left stream bank was converted to livestock -, •,w a : pasture.The area along the right streambank has been Reach S200, like many of the project left fallow and has repopulated with young successional tree species that are approximately ten reaches, displays frequent erosion around years of age, including significant areas of Chinese outer meander bends due to land privet. Much of the channel through the middle and disturbance, channel incision, loss of buffer, and frequent cattle access. lower portion of S200 is meandering and eroding, especially on the outside of meander bends. This ongoing evolution has left the outer bends characterized by steep, undercut banks with an herbaceous cover lacking sufficient surface protection or rooting depth. Where large woody trees are present and an overwidening of the channel exists, small areas of new floodplain are developing at a lower elevation. However, with the presence of vertical bedrock grade control, the only means of gaining stability will be to continually stress the outer bends until an appropriate meander width can be achieved. Towards the lower portion of S200 there is a 36 inch diameter culvert that will be removed during construction. As S200 approaches the confluence with Mull Creek, the channel appears to still be undergoing incision processes.The banks are more vertical with significantly less vegetation is present. The terminus for S200 will occur at the farm crossing just upstream with the confluence with Mull Creek.This culverted crossing is currently providing the stable downstream grade control point and will serve as a stable end to the S200 to Mull Creek system. 3.4.3 Sediment Supply, Delivery and Storage S100 and S200 are sand bed streams with gravel dominated riffles.The current farming activities, livestock access, lack of adequate and good quality natural woody riparian buffer vegetation, past land disturbances, and stream instability create a larger sediment supply through the project area. There is evidence of upland sediments being deposited over a hydric soil profile in the floodplain due to this high supply. 3.5 Potential Site Constraints 3.5.1 Existing Easements on the Site The 1-40 corridor runs through the approximate center of the project area and bisects S100 and S200.The culverts beneath 1-40 will be control points for the proposed stream design work, and the design will tie into the elevations of the existing culverts. No additional flooding will be created within the 1-40 NCDOT right-of-way because of the project.The project engineer will coordinate with NCDOT to ensure the design is acceptable and the conservation easement provides suitable spacing for future ROW maintenance or expansion.The current ROW is approximately 350 feet wide at the culvert crossings. 4 Draft Mitigation Plan Starker Mitigation Project Page 17 3.5.2 Utility Corridors within the Site One power line easement is present to the north of S100, but the easement is located outside of the proposed project limits. No other easements or significant constraints have been identified for the project. The Sponsor will coordinate with the landowner regarding future development access and utilities to utilize proposed easement crossings. There are no commercial or private airports within five miles of the project site. 3.5.3 Mineral or Water Rights Assurance There are no mineral or water rights issues within or adjacent to the Project site properties. 3.5.4 FEMA Floodplain Compliance and Hydrologic Trespass Review of the Federal Emergency Management Agency's (FEMA) National Flood Insurance Program's Digital Flood Insurance Rate Mapping (DFIRM) panel 3710375200J, effective September 5, 2007, found that S100 and S200 are not regulated waters. There are no established Base Flood Elevations (BFEs), Floodways, or Flood Hazard Zones along the tributaries. However, portions of Mull Creek that S100 and S200 flow into are regulated; therefore, the lower 300 ft of S100 and S200 are within the flood hazard zone AE associated with Mull Creek. The proposed restoration work associated with this project will not include any structure placement, excavation, or fill within the Flood Hazard Zone significant enough to influence the BFEs of Mull Creek. A floodplain development permit and no-rise package are being prepared to submit to the local floodplain manager for work on S100 and 5200. Due to the steep step pool system upstream on S100 and S200, hydrologic trespass will not occur. 3.5.5 Invasive Species Vegetation There are currently no substantial communities of invasive plant species within the proposed project boundaries; however, some areas of invasive species vegetation have begun to establish on S200 south of 1-40 above the crossing, mainly Chinese privet and Japanese stiltgrass. In addition, some small multiflora rose plants were observed on the project site above 1-40.These areas will be monitored by WLS, and any invasive plants found within the project boundary will be treated to prevent expansion and establishment of a substantial invasive community.This will allow for a healthy, native riparian and upland plant community to dominate the area and help prevent future establishment of invasive species vegetation. 3.5.6 Potential Future Land-Use Future site constraints include, but are not limited to development, silviculture, and infrastructure maintenance. Historic aerial imagery indicates that the Project area has been used extensively for agricultural purposes.The surrounding areas remain in an agricultural community with some neighboring forested property.There is potential for the area surrounding the easement to be developed in the future. The project area is adjacent to 1-40 which could potentially be widened at a later date.To account for this possibility the conservation easement starts 25 ft from the start of the right of way. Project reaches were designed to be self-maintaining and resilient in a dynamic landscape. Riparian buffers in excess of 50 feet will protect the project reaches from changes in watershed hydrologic regimes. 4 Draft Mitigation Plan Starker Mitigation Project Page 18 3.6 Regulatory Considerations 3.6.1 Cultural Resources This project is not anticipated to have any adverse impacts on cultural or historical resources. On-site investigations and discussions with the landowner have not revealed any potential resources of this type on the property. EPR (consultant) conducted a search of the project area using the State Historic Preservation Office's HPOweb database. No structures listed on the NRHP, or those eligible for listing, were found in the project boundary or within a one-mile radius. The NRHP report can be found in Appendix G. 3.6.2 Threatened and Endangered Species Based on a review of the US Fish and Wildlife Service's(USFWS) Information for Planning and Consultation (IPaC) database, there are currently four federally-listed threatened or endangered species known to occur in the project vicinity: bog turtle (Glyptemys muhlenbergii), Schweinitz's sunflower (Helianthus schweinitzii), dwarf-flowered heartleaf (Hexastylis naniflora) and the Northern long-eared bat (Myotis septentrionalis). The Northern long-eared bat (NLEB) was recently listed as an endangered species and the Project is located within the USFWS habitat range and white-nose syndrome zone per Final 4(d) rule (USFWS, 2019). The Project site is not near any known hibernation or maternity sites, nor is Catawba County listed as one of the counties for confirmed hibernation and maternity sites. It is not anticipated that the proposed mitigation activities will take place within known hibernacula or remove known occupied maternity roost trees.WLS will coordinate with the appropriate agencies should a determination be required for permitting. The USFWS encourages avoiding tree cutting from May 15-August 15 if possible. Project implementation is not anticipated to have a negative impact on these species. EPR sent letters to USFWS and the NC Wildlife Resources Commission (NCWRC) and is in coordination concerning the Schweinitz's sunflower and dwarf-flowered heartleaf.A survey for Schweinitz's sunflower was conducted on September 29, 2020, with no individuals found. A survey for dwarf-flowered heartleaf will be completed in Spring 2021. EPR also conducted a one-mile radius search of the project area using the Natural Heritage Program of North Carolina (NCNHP) database and no occurrences were found in the project boundary. IPaC report, NCNHP report, USFWS response and NCWRC response can be found in Appendix G. 3.6.3 Conditions Affecting Hydrology Six crossings must be accounted for in the stream design: one culvert crossing near the origin of S200 (north of 1-40)will be removed,two crossings will be replaced (one each on S100 and S200), one potential future crossing will be added on S100(north of 1-40, below the existing crossing),and two existing culverts will be maintained at the bottom of S100 and S200. The constructed crossings will allow livestock and farm equipment to access fields and pastures on either side of the stream reaches.The replaced or added culverted crossings will be appropriately sized and set at the correct elevations to promote stability and allow passage of aquatic life. Stabilization practices will be applied to ensure stable crossings. The crossings are 60-feet wide and located in easement breaks to allow for future residential and commercial development. 4 Draft Mitigation Plan Starker Mitigation Project Page 19 3.6.4 Adjacent Land Use Site-adjacent land use is primarily silviculture and agriculture. However, the surrounding landuse is transitioning to commercial, residential,and industrial land uses due to its proximity to several population centers and easily accessible transportation corridors. None of these land uses will have negative impacts on the function of the Project and the stream channel design contemplates the potential future runoff conditions. 4 Functional Uplift Potential Harman et al. (2012) provides a framework for conducting function-based assessments to develop project goals and objectives based on a site's restoration potential and functional uplift.The framework is based on the Stream Functions Pyramid (SFP) which is a conceptual model that can be used to better define project goals and objectives by linking them to stream functions. Stream functions are separated into a hierarchy of functions and structural measures, ranging from Level 1 to Level 5 and include the following functional categories: Hydrology (Level 1), Hydraulic (Level 2), Geomorphic (Level 3), Physiochemical (Level 4), and Biological (Level 5). Function-based goals and objectives were considered that relate restoration activities to the appropriate parameters from the SFP framework,which are based on existing conditions, site constraints and overall restoration potential. To accomplish these site-specific goals, the following functional objectives will be measured to document overall project success as described in Table 6. Table 6. Function-Based Goals and Objectives Summary Functional Category Functional Goal/Parameter Functional Design Objective (Level) Improve and/or remove existing stream Hydrology(Level 1) Improve Base Flow crossings and restore a more natural flow regime and aquatic passage. Hydraulics(Level 2) Reconnect Floodplain/Increase Lower BHRs to<1.2 and increase ERs at>_2.2 Flood prone Area Widths Improve Bedform Diversity Increase riffle/pool percentage and pool-to- pool spacing ratios. Reduce BEHI/NBS streambank erosion rates Geomorphology Increase Lateral Stability comparable to reference condition and stable (Level 3) cross-section values. Plant native species vegetation a minimum 50' Establish Riparian Buffer Vegetation wide from the top of the streambanks with a composition/density comparable to downstream reference condition. Physicochemical Improve Water Quality Establish 50 ft wide riparian buffers that will (Level 4) filter excess nutrients. Biology Improve Macroinvertebrate (Level 5) Community and Aquatic Species Incorporate native woody debris into channel. Health 4 Draft Mitigation Plan Starker Mitigation Project Page 20 4.1.1 Restoration Potential and Project Benefits Summary Restoration projects commonly provide functional lift of Level 2 and 3 parameters. To achieve goals in Levels 4 and 5, a combination of reach scale restoration and upstream watershed health must be measurable and sustainable. It is expected the Project will reduce pollutant loads, including sediment and nutrients, improving overall aquatic functions. Given the landscape position and catchment size, the restoration activities will likely provide functional lift within the physicochemical and biological functional categories. The Project will provide numerous water quality and ecological benefits within the watershed. While many of these benefits focus on the Project area, others, such as nutrient removal, sediment reduction, and improved aquatic and terrestrial habitat, others have more far-reaching effects that extend downstream.The expected project benefits and ecological improvements are summarized in Table 7. 4 Draft Mitigation Plan Starker Mitigation Project Page 21 Table 7. Project Benefits Summary Benefits Related to Hydrology(Level 1) Restoring and enhancing 50-foot natural riparian buffers and alleviating concentrated flow Rainfall/Runoff points will decrease the volume and intensity of runoff into the system. Benefits Related to Hydraulics(Level 2) Floodplain Restoration practices will restore proper floodplain connection by establishing stable bank Connectivity height ratios and entrenchment ratios. Surface Storage Floodplain connectivity will allow for more surface area for surface storage and retention. and Retention Groundwater Recharge/ Raising and reconnecting the restored stream bed will promote higher water table Hyporheic conditions and more hyporheic exchange. exchange Benefits Related to Geomorphology(Level 3) Proper Channel A stable sinuosity for valley type and slope will allow for a natural self-sustaining system. Form Sediment Decreasing stream bank erosion,connecting with the floodplain, and excluding cattle from Transport the stream will decrease the sediment coming from the restored system into Mull Creek. Riparian Buffer Restoring and enhancing 50-foot natural riparian buffers will allow for canopy cover and Vegetation large woody debris in the system. Bioengineering The use of woody in-stream structures will ensure channel stability while also providing Treatments large woody debris. Benefits Related to Physicochemical(Level 4) Nutrient Restoration practices will exclude cattle from streams and restore functional buffers of Reduction sufficient width along all stream reaches to provide nutrient reductions. Sediment Restoration practices will exclude cattle from stream, restore functional buffers of sufficient Reduction width along all stream reaches, and stabilize stream bank erosion to provide sediment reductions. DO, NO3, DOC Restored buffers will also provide shade, reduce water temperatures, and increase dissolved Concentration oxygen concentrations.The restored stream bed will promote higher water table conditions and facilitate denitrification. Benefits Related to Biology(Level 5) Terrestrial and Restoration practices will restore appropriate habitats, reduce sediment and nutrient loads, Aquatic Habitat exclude cattle from streams,and provide increased shading and organic material inputs for aquatic organisms. Landscape Restoration practices such as raising and reconnecting the restored stream bed will allow Connectivity animals to have easier access to a drinking water source. 4 Draft Mitigation Plan Starker Mitigation Project Page 22 5 Determination of Credits The Project consists of all Stream Restoration to achieve the highest ecological lift possible. The proposed mitigation credit types, ratios and design approaches were discussed with the IRT during the prospectus site visit and described further in the meeting minutes located in Appendix G. 5.1 Proposed Mitigation Credit Types Proposed mitigation credit types are Restoration Stream Mitigation Credits (SMCs) (warm thermal regime). See Tables 8 for the proposed credit summary. Table 8. Proposed Stream Mitigation Credits(SMCs) Stream Existing Proposed Mitigation Project Reach Type of Mitigation Stream Creditable Ratio Credits Length(LF) Length (LF) (SMCs) S100(North of I- 40,above Stream Restoration 1,127 1,169.54 1:1 1,169.54 crossing) S102 Stream Restoration 110 98.96 1:1 98.96 S103 Stream Restoration 81 56.44 1:1 56.44 S100(North of I- 40,below Stream Restoration 2,490 2,117.61 1:1 2,117.61 crossing) S100(South of I- 40) Stream Restoration 1,829 1,888.07 1:1 1,888.07 S101 Stream Restoration 96 79.57 1:1 79.57 S200(North of I- 40) Stream Restoration 785 704.85 1:1 704.85 S200(South of I- 40,above Stream Restoration 550 491.16 1:1 491.16 crossing) S200(South of I- 40,below Stream Restoration 2,897 3,050.53 1:1 3,050.53 crossing) Totals 9,965 9,656.73 9,656.73 Note:No mitigation credits were calculated outside the conservation easement boundaries. 5.2 Credit Release Schedule All credit releases will be based on the total number of mitigation credits generated as reported in the approved mitigation plan and verified by the as-built survey.The initial credit release will be based on the proposed stream mitigation credits (SMCs) as approved in the final mitigation plan.The credit ledger will be managed by WLS and approved by the USACE District Engineer(DE) and IRT.The estimated credits will be released following current USACE guidance,as shown in Table 9 below. For example, 10%of SMCs will be withheld until four bankfull events, in separate monitoring years, have been documented. The initial 4 Draft Mitigation Plan Starker Mitigation Project Page 23 credit release milestone shall include: approval of UMBI, approval of final mitigation plan, securing the Project site,financial assurances delivery, long-term protection mechanism delivery,title opinion delivery, and issuance of any permits necessary for construction. Table 9. Credit Release Schedule Credit SMCs: SMCs: Milestone Release Activity Interim Total Release Released 1 Project Site Establishment(as defined 15% 15% above) Completion of all initial physical and 2 biological improvements made pursuant 15% 30% to the Mitigation Plan Year 1 Monitoring Report demonstrates 3 that streams are stable and interim 10% 40% performance standards have been met Year 2 Monitoring Report demonstrates 4 that streams are stable and interim 10% 50% performance standards have been met Year 3 Monitoring Report demonstrates 5 that streams are stable and interim 10% 60% performance standards have been met Year 4 Monitoring Report demonstrates 65% 6 that streams are stable and interim 5% (75%*) performance standards have been met Year 5 Monitoring Report demonstrates 750/ 7 that streams are stable and interim 10% performance standards have been met (85%*) Year 6 Monitoring Report demonstrates 8 that streams are stable and interim 5% O performance standards have been met (9 %*) Year 7 Monitoring Report demonstrates 900,' 9 that streams are stable and interim 10% (100%*) performance standards have been met Note: *10%reserve of credits to be held back until the bankfull event performance standard has been met. 6 Mitigation Work Plan The mitigation work plan will involve the restoration of approximately 9,965 linear feet of stream channel. WLS's comprehensive design approach utilizes common restoration practices and will appropriately address the jurisdictional streams and wetlands at the site, including protecting or enhancing riparian buffers along all of the Project stream reaches and wetlands,thus providing the maximum functional uplift with the goal of returning natural/historic functions to a former degraded aquatic resource. The design approach and mitigation work plan are described in the following subsections. 6.1 Design Approach The Project involves the restoration of approximately 9,965 feet of stream (Figure 9). The proposed Project will improve the function of existing wetland systems and restore a stable headwater stream- 4 Draft Mitigation Plan Starker Mitigation Project Page 24 wetland complex. Aquatic resources on the site have been severely impacted by past channelization, ditching, direct cattle access, loss of riparian buffers, and past land use. S100 and S200, including S101, S102 and S103 are highly degraded and moderately to highly incised due to past channelization and/or natural stream incision in response to land use changes. The design approach for the entire length of S100 and S200 will involve reconnecting the streams to active floodplains (Priority Level I and II Restoration Approaches), with a preference for Priority Level I Restoration when feasible. By reconnecting the streams to a functional floodplain, the following functional improvements will be achieved: • Rehabilitation/Enhancement of Adjacent Riparian Wetlands — Based on observed soil profiles that are exposed along eroding stream banks, it is apparent that wetlands were once prevalent along much of the Project reaches. Numerous groundwater springs discharge along the toe of adjacent hill slopes, and in some areas are still enough to support degraded wetland habitats. Raising of the stream beds and reconnection to an active floodplain will promote higher water table conditions adjacent to the streams and more overbank flooding. • Filtration of Flood Flows— Currently, discharges significantly higher than the bankfull discharge are carried within the incised stream channels. Reconnection to an active floodplain will provide filtration of flood flows through floodplain vegetation, effectively reducing storm flow energies and velocities. • Improved Buffer Function — Higher water table conditions associated with reconnecting the floodplain will promote better denitrification of groundwater flowing to the stream channels. Rehabilitated wetland areas adjacent to the stream will promote increased plant uptake and retention of surface runoff before reaching the stream channels, minimizing overland flow velocities while also encouraging nutrient removal processes. • Reduced Water Quality Impacts— By simply excluding livestock from the project stream using fencing and restoring riparian buffers, significant reductions in direct input of nutrients and fecal coliform will be achieved. Design approaches will ensure that all excavated floodplain areas allow for the design meander belt width, plus an additional 1.5 bankfull widths. For most project reaches this equates to a design floodplain width of between 50 to 70 feet.This width is considered practical and achievable based on available floodplain widths measured in the field. In some locations, natural pinches in the valley topography may necessitate tighter floodplain widths. For excavated floodplain areas, depths will be undercut so that excavated topsoil can be replaced to approximately 8 to 10 inches in depth to achieve final design floodplain grades. Good quality topsoil will be stockpiled separately during construction activities to be used in the replacement of topsoil in excavated areas. The slopes between the outer edge of the floodplain grading and the terrace will be a minimum of4:1 unless natural hill slope topography dictates the need for steeper slopes. In-stream structures will be constructed from materials naturally found at the project site, such as hardwood logs and brush, with the use of quarried rock and stone as needed. WLS will use methods of structure design and construction that have proven successful on numerous past projects, and practices that have been well received by regulatory agencies. The design approaches for the reaches were determined using drainage areas, regional curve analysis, slopes, and site constraints. The construction drawings provided in Appendix A describe the proposed 4 Draft Mitigation Plan Starker Mitigation Project Page 25 construction methods including channel sizing, planimetric geometry, slopes, instream structures, and elevations of all pertinent features. Data characterizing the existing, proposed, and design morphological characteristics for each reach can be found in Appendix C.The design approach for each reach is described in the table and sections below. 6.2 Design Criteria Selection The design criteria (Table 10) were selected based off the regional curve analysis, reference reach data, and professional judgement as described in Section 6.4. Site constraints and slopes for each reach are described in Table 10 and the following sections 4 Draft Mitigation Plan Starker Mitigation Project Page 26 Table 10. Proposed Design Parameters S100-North S100-North S100-North S100-North S200 South S200 South S200 South S200 South 5100-North S100- S100- of 1-40, of 1-40, of 1-40, of 1-40, S200 North S200 North of 1-40, of 1-40, of 1-40, of 1-40 above above of 1-40,above S102 R1 5103 R1 below below South of I South of I 5101 R1 of 1-40 R1 of 1-40 R2 above above below belo crossing R3 40 R1 40 R2 Parameter crossing R1 crossing R2 crossing R1 crossing R2 crossing R1 crossing R2 crossing R1 crossing R2 Drainage Area, DA 0.09 0.09 0.09 0.01 0.01 0.3 0.3 0.39 0.39 0.02 0.13 0.13 0.18 0.18 0.26 0.26 (sq mi) Stream Type B(inter- B(inter- B(inter- Step-pool Bc C C B C B Step-pool B C Bc C B (Rosgen) mittent) mittent) mittent) Bankfull Riffle XSE 3 3 3 0.4 0.4 7 7 8 8 0.8 4 4 4 4 6 6 Area,Abkf(sq ft) Bankfull Mean Velocity,Vbkf 2 2 2 5.5 5.5 2.6 2.6 2.4 2.4 4.3 2.3 2.3 2.3 2.3 1.8 1.8 (ft/sec) Bankfull Riffle Width, 6.5 6.5 6.5 2.4 2.4 9.9 9.9 10.6 10.6 3.3 7.5 7.5 7.5 7.5 9.2 9.2 Wbkf(ft) Bankfull Riffle Mean 0.46 0.46 0.46 0.24 0.24 0.71 0.71 0.76 0.76 0.33 0.53 0.53 0.53 0.53 0.65 0.65 Depth, Dbkf(ft) Width to Depth 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 Ratio,W/D (ft/ft) Width Floodprone 9.1- 14.3 9.1- 14.3 >14.3 3.4-5.2 3.4-5.2 >21.8 13.9-21.8 >23.4 14.9-23.4 4.7-7..2 10.5-16.5 10.5- 16.5 >16.5 10.5- 16.5 >20.3 10.9-20.3 Area,Wfpa (ft) Entrenchment Ratio, 1.4-2.2 1.4-2.2 >2.2 1.4-2.2 1.4-2.2 >2.2 1.4-2.2 >2.2 1.4-2.2 1.4-2.2 1.4-2.2 1.4-2.2 >2.2 1.4-2.2 >2.2 1.4-2.2 Wfpa/Wbkf(ft/ft) Riffle Max Depth 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 Ratio, Dmax/Dbkf Bank Height Ratio, 1- 1.1 1-1.1 1-1.1 1- 1.1 1- 1.1 1-1.1 1-1.1 1- 1.1 1- 1.1 1- 1.1 1- 1.1 1-1.1 1-1.1 1-1.1 1- 1.1 1-1.1 Dtob/Dmax(ft/ft) Meander Length N/A N/A 7.0-12.0 N/A N/A 7.0- 12.0 N/A 7.0-12.0 N/A N/A N/A N/A 7.0-12.0 N/A 7.0- 12.0 N/A Ratio, Lm/Wbkf Radius of Curvature N/A N/A 2.0-3.5 N/A N/A 2.0-3.5 N/A 2.0-3.5 N/A N/A N/A N/A 2.0-3.5 N/A 2.0-3.5 N/A Ratio, Rc/Wbkf Meander Width N/A N/A 3.5-8.0 N/A N/A 3.5-8.0 N/A 3.5-8.0 N/A N/A N/A N/A 3.5-8.0 N/A 3.5-8.0 N/A Ratio,Wblt/Wbkf Channel Sinuosity, K 1.03 1.11 1.24 1.08 1.06 1.21 1.01 1.29 1.10 1.07 1.02 1.07 1.14 1.05 1.33 1.04 Channel Slope,Schan 0.052- 0.016- 0.021- 0.004- 0.011- 0.067- (ft/ft) 0.215 0.013 0.010-0.015 0.25 0.26 0.009-0.011 0.019 0.009 0.022 0.069 0.101 0.024 0.009 0.009 0.008 0.02 Riffle Slope Ratio, 1.1-1.8 1.1-1.8 1.5-2.0 1.1-2.0 1.1-2.0 1.5-2.0 1.1-1.8 1.5-2.0 1.1- 1.8 1.1-2.0 1.1-1.8 1.1-1.8 1.5-2.0 1.1- 1.8 1.5-2.0 1.1- 1.8 Sriff/Schan Pool Slope Ratio, 0.0-0.2 0.0-0.2 0.0-0.2 0.0-0.2 0.0-0.2 0.0-0.2 0.0-0.2 0.0-0.2 0.0-0.2 0.0-0.2 0.0-0.2 0.0-0.2 0.0-0.2 0.0-0.2 0.0-0.2 0.0-0.2 Spool/Schan Pool Width Ratio, 2.6-3.0 1.5 1.4 1.5 1.5 1.4 1.5 1.4 1.5 1.5 2.4 1.5 1.4 1.5 1.4 1.5 Wpool/Wbkf 4 Draft Mitigation Plan Starker Mitigation Project Page 27 6.2.1 Stream Design Reach Summary Restoration S100(North of 1-40, above crossing) This section of S100 (North of 1-40, above crossing) will be broken into three design reaches described below.S100 begins as a highly incised channel that becomes less incised as it flows downstream and opens into an alluvial valley.The extreme incision at the upstream end of the reach will be addressed by routing storm flows from the ephemeral drainage upstream through the existing gully on the east side of the headwater system. Reach 1 is a step-pool channel through the existing gully on the east side of the headwater system that will consist of rock step structures and constructed riffles/cascades to step storm flows down to the existing streambed elevation. The western gully will be stabilized by installing a gravel drain at the existing channel elevation that will continue to transport spring flow to the channel,and then filling and sloping the gully over the gravel drain to stabilize the area without needing to remove any of the large trees along the top of the bank. Downstream of the stream head, reach 2 will begin and the bed elevation of the stream will be raised over a distance of approximately 370 feet to reconnect the stream with its original floodplain and is designed as a Bc channel due to a constrained valley. Fill material will be taken from adjacent upland areas to raise the streambed,and constructed riffle structures will be installed to ensure bed stability.Woody structures such as toe wood and log vanes, along with bioengineering practices, will be used to stabilize the outside meander bends and other areas of high bank stress. Downstream of the constrained valley, reach 3 begins and is designed as a C channel as the design pattern will follow a meandering plan form through the alluvial valley.This Priority Level I Restoration will be carried down to the farm crossing. S100(North of 1-40, below crossing) This section of S100 will be broken into two design reaches described below. Due to the highly incised and unstable nature of these stream reaches, a Priority Level I and II Restoration approach is proposed that will both raise the stream bed elevation and lower the adjacent floodplain slightly to restore floodplain access. Excavation of a floodplain at a lower elevation is the most practical approach to restoration since a significant amount of fill material would be required to raise the streambed and stabilize eroding banks and hill slopes.This approach also provides the opportunity to remove upland alluvial sediments that have been deposited on the floodplain as a result of poor land use practices in the past, thus exposing the buried hydric soil layers that are present along the reaches. Exposing the buried hydric soils, raising the local water table by raising the streambed, and providing for greater floodplain storage will provide significant uplift of lost riparian wetland function. A new culverted farm crossing will also be added with a 42-inch smooth wall HDPE. Reach 1 will be designed as a C channel and the design pattern will follow a meandering plan form through the alluvial valley.This reach will be carried down until it is needed to drop to connect back into the existing 1-40 culvert. Reach 2 will be designed as a B channel with frequent pools, constructed riffles, rock structures, and steps to dissipate energy. S100(South of 1-40) This section of S100 design is similar to that used for S100 north of 1-40, below the existing crossing, and will be broken into two design reaches described below. The restoration approach will begin by raising the elevation of the stream to the culvert. Due to the highly incised and unstable nature of these stream reaches, a Priority Level II Restoration approach is proposed to both raise the stream bed elevation and lower the adjacent floodplain slightly to restore floodplain access. Excavation of a floodplain at a lower elevation is the most practical approach to restoration since a significant amount of fill material would be required to raise the streambed and stabilize eroding banks and hill slopes. This approach also provides the opportunity to remove upland alluvial sediments that have been deposited on the floodplain as a result of poor land use practices in the past, thus exposing the buried hydric soil layers that are present along the reaches. Exposing the buried hydric soils, raising the local water table by raising the streambed, and providing for greater floodplain storage will provide significant uplift of lost riparian wetland function. Reach 1 will be designed as a C channel and the design pattern will follow a meandering plan form through the alluvial valley. This reach will be carried down until it is needed to drop to connect back into the existing farm culverts at the end of S100. Reach 2 will be designed as a B channel with frequent pools, constructed riffles, rock structures and steps to dissipate energy. 5101 and 5102 Due to the incised and unstable nature of these stream reaches, a combination of Priority Level I and II Restoration approaches are proposed that will raise the stream bed elevation to restore floodplain access. This approach also provides the opportunity to raise the local water table, providing for greater floodplain storage and a significant uplift of lost riparian wetland function. Downstream of the stream head for both reaches, the streambed elevation will be raised to reconnect the stream with its original floodplain. Fill material will be taken from adjacent upland areas to raise the streambed, and constructed riffle structures will be installed to ensure bed stability. Woody structures such as toe wood,along with bioengineering practices,will be used to stabilize the outside meander bends and other areas of high bank stress. The design pattern will follow a meandering plan form through the alluvial valley. This Priority Level I Restoration will be transitioned down to the confluences with S100 using shallow Priority Level II Restoration only where/if needed. While this restoration approach requires the removal of some trees along the reaches, tree loss will be minimized to the extent possible. In many areas,the approach can be applied while working around larger trees that would provide shade and organic material to the stream after restoration.Trees are most dense along the lower portion of S100 north of 1-40 below the crossing; however,tree loss due to bank erosion in this area is significant under existing conditions. These stream reaches are attempting to form active floodplains at a lower elevation but are early in the evolutionary process.Therefore,considerable erosion, mass wasting, and tree loss will continue before the system would begin to approach stability on its own. 5103 Due to the unstable nature of this stream reach, a combination of Priority Level I and II Restoration approaches will raise the stream bed elevation to connect to S100 using shallow Priority Level II Restoration only where/ if needed. The stream will be designed as a step-pool channel that primarily follows the existing channel alignment. Rock step structures and a constructed cascade will be used to step storm flows down to the S100 design streambed elevation. 5200(North of 1-40) This section of S200 will be broken into two design reaches described below. This section is the most incised of all the project reaches. Restoration will begin above the culverted farm crossing at the beginning of the reach, where the existing 21 inch diameter culvert crossing will be removed, and the farm path re- routed to above the reach as part of the project. Reach 1 will be designed as a step-pool channel that consists of rock step structures and a constructed cascade that will be used to step storm flows down. Reach 2 is designed as a B channel with a Priority Level II Restoration approach, involving raising the stream bed several feet and excavating a bench in some areas along the right stream bank, which has minimal large trees. Reach 2 primarily follows the existing channel alignment, due to the higher slope of 4 Draft Mitigation Plan Starker Mitigation Project Page 29 the reach and the need to tie into the 1-40 road culvert at the downstream end of the reach. Rock structures and constructed riffles/cascades will be used along the reach to ensure bed stability and to arrest channel incision and headcutting that is currently occurring along the reach. Near the downstream end of the reach above 1-40, stable benches have already formed along the stream; therefore, in this location, stabilization practices will focus on minimizing future downcutting and treating eroding side slopes. S200(South of 1-40, above crossing) This section of S200 will be broken into two design reaches described below. The restoration approach will begin by raising the elevation of the stream to the culvert.The design floodplain will connect into the existing benches that have formed to provide better floodplain connection. Constructed riffle structures will be installed to ensure bed stability. Reach 1 is designed as a meandering C channel.Woody structures such as toe wood and log vanes, along with bioengineering practices, will be used to stabilize the outside meander bends and other areas of high bank stress. The design pattern will follow a meandering plan form through the alluvial valley. Reach 2 is designed as a Bc channel due to a constrained valley going into the proposed farm crossing.This Priority Level 11 Restoration will be carried down for both reaches. Some areas of invasive species vegetation have begun to establish, mainly Chinese privet and Japanese stiltgrass. Treatment of invasive species vegetation will be included under the restoration approach. The culvert crossing is a 60-inch smooth wall HDPE. S200(South of 1-40, below crossing) This section of S200 will be broken into two design reaches described below. The restoration approach for this reach will be the same as the approach described above for S100 south of 1-40. However, this section of S200 has few mature trees along its length since trees were timbered along much of the reach within the past 10 years. Within this cutover area, young successional species have begun to establish along the reach, along with a considerable amount of Chinese privet. Treatment of invasive species vegetation will be included under the restoration approach, as well as minor benching along this reach to provide floodplain reconnection, which will promote the restoration of adjacent riparian wetland functions. 6.3 Flow Regime A majority of stream miles (>80 percent) in North Carolina are classified as headwater streams (drainage area <3.9 mi2), however, less than 10 percent of the 284 USGS stream gages in North Carolina are located on headwater streams (EFSAB, 2013). WLS recognizes the importance of these stream flow variables and the ecological role they play in supporting high functioning steam and wetland systems, especially in urbanizing watersheds. As such, flow monitoring will be conducted to demonstrate that the restored stream systems exhibit seasonal base flow during a year with normal rainfall conditions.The surface flow documentation methods are further described in Section 9.Table 11 summarizes the basic flow levels and ecological roles the restoration design will provide after Project implementation. 4 Draft Mitigation Plan Starker Mitigation Project Page 30 Table 11. Flow Level and Ecological Role -Provide year-round habitat for aquatic organisms(drying/inundation pattern) Low Flow(Base Flow): -Maintain suitable conditions for water temperature and dissolved oxygen occurs most -Provide water source for riparian plants and animals frequently/seasonally -Enable movement through stream corridor and refuge from predators -Support hyporheic functions and aquatic organisms -Shape and maintain physical stream channel form -Create and maintain pools, in-stream and refuge habitat Channel-forming Flow: -Redistribute and sort fine and coarse sediments infrequent,flow duration of -Reduce encroachment of vegetation in channel and establishment of exotic a few days per year species -Maintain water quality by flushing pollutants -Maintain hyporheic connection by mobilizing bed and fine material -Create in-channel bars for seed colonization of native riparian plants -Deposition of fine sediment and nutrients on floodplain -Maintain diversity,function,and health of riparian floodplain vegetation Flood Flow:very infrequent, -Create streamside habitat, new channels,sloughs, and off-channel rearing flow duration of a few days habitat through lateral channel migration and avulsion per decade or century -Recharge floodplain and storage processes -Recruitment of native wood and organic material into channel 6.3.1 Regional Curve Comparison Regional curves developed by Dunne and Leopold (1978) relate bankfull channel dimensions to drainage area and are based on the channel forming discharge theory,which states that one unique flow can yield the same channel morphology as the full range of flows. Gage station analyses throughout the United States have shown that the bankfull discharge has an average return interval of 1.5 years or 66.7%annual exceedance probability on the maximum annual series (Dunne and Leopold, 1978; Leopold, 1994). Hydraulic geometry relationships are empirically derived and can be developed for a specific river or extrapolated to a watershed in the same physiographic region with similar rainfall/runoff relationships (FISRWG, 1998). The NC Rural Piedmont Regional Curve (Harman et al., 1999), unpublished NC Piedmont Regional Curve (NRCS, Walker, private communication, 2015) and NC Urban Piedmont Regional Curve (Doll, 2002) were used for comparison when estimating bankfull discharge. The NC Rural and Urban Piedmont Regional Curves and bankfull hydraulic geometry equations are shown in Table 12. Table 12. North Carolina Rural and Urban Piedmont Regional Curve Equations Unpublished Revised NC Rural Published NC Rural Piedmont Published NC Urban Piedmont Piedmont Regional Curve Equations, Regional Curve Equations, Regional Curve Equations (NRCS,2015) (Harman et al., 1999) (Doll et al.,2002) Qbkf =55.31 Aw°.79 R2=0.97 Qbkf=89.04 Aw°.72 R2=0.91 Qbkf=306.80 Aw 0.63 R2=0.94 Abkf = 19.23 Aw°65 R2=0.97 Abkf =21.43 Aw 0.68 R2=0.95 Abkf =60.34 Aw°65 R2=0.95 Wbkf = 17.41 Aw 0 37 R2=0.79 Wbkf = 11.89 Aw 0 43 R2=0.81 Wbkf =24.39 Aw°33 R2=0.88 Dbkf = 1.09 Aw°.29 R2=0.80 Dbkf = 1.50 Aw°.32 R2=0.88 Dbkf =2.43 Aw°33 R2=0.87 It's important to note these tributaries are classified as first and second order streams, and generally smaller headwater streams can be poorly represented on the regional curves. Based on our experience, 4 Draft Mitigation Plan Starker Mitigation Project Page 31 both the published Rural and Urban NC Piedmont Regional Curve Equations overestimate bankfull discharge and channel dimensions for smaller ungaged streams, such as those present at the Project site. Due to the development occurring within the project watershed, WLS compared both the NC Piedmont Rural and Urban Regional Curves to assist in the channel design process.The proposed channel geometry was adequately sized to accommodate both current and potential future development by allowing natural channel responses over time without compromising overall stability. Throughout many of the project reaches, WLS increased channel cross sectional geometry slightly above thresholds in both the unpublished and published rural regional curves, but still within acceptable confidence intervals. This approach will allow project reaches to adapt to changing watershed conditions (i.e. increasing imperviousness) and climate fluctuations while still allowing frequent storm events access to floodplains during flows above bankfull, and maintain a healthy aquatic and terrestrial ecosystem. 6.3.2 Channel Forming Discharge A hydrologic analysis was completed to estimate and validate the design discharge and channel geometry required to provide more frequent overbank flows and floodplain inundation. Cross-sections were identified and surveyed to represent reach-wide conditions. Additional bankfull estimation methods,such as the commonly accepted Manning's equation, were compared to help interpret and adjust field observations to select the appropriate design criteria and justification for the design approach. The bankfull flows in gaged watersheds within the NC Rural Piedmont study documented return intervals (RI) that range from 1.1 to 1.8, with a mean of 1.4 years (Harman et al, 1999). EPR also compared the 2- year flow frequency using the published USGS regression equation for small rural streams (DA <_3 mil) within the Piedmont hydrologic area of North Carolina(USGS,2014). As expected,these values fall slightly above the published bankfull discharge, but were extrapolated to represent a wider range of flows. WLS then compared lower flow frequencies in the 1.0-yr, 1.2-yr, and 1.5-yr RI range versus survey data, and field observations (See Appendix C). 4 Draft Mitigation Plan Starker Mitigation Project Page 32 Table 13. Design Discharge Analysis Summary USGS USGS USGS Published Regression Regression Unpublished Regression Watershed NC Rural Equation Equation Design Project Drainage Piedmont NC Rural Manning's Equation for 1.5- for 1.2- Discharge Reach Piedmont Equation for 2-year Area(sq Regional year year Estimate 3 Designation Regional (cfs) Recurrence mi) Curve 2 Recurrence Recurrence (cfs) (cfs)1 Curve(cfs) Interval Interval Interval (cfs)° (cfs)5 (cfs)5 S100- North of 1- 40,above 0.09 15.7 8.3 6 31.2 25.0 20.4 6 crossing S102 0.01 3.2 1.5 2.2 6.4 - - 2.2 S103 0.01 3.2 1.5 2.2 6.4 - - 2.2 S100- North of I- 0.3 37.4 21.4 18.5 71.9 49.7 36.8 18.5 40,below crossing S100- South of I- 0.39 45.2 26.4 19 89.4 61.7 45.8 19 40 S101 0.02 5.3 2.5 3.4 10.5 - - 3.4 S200 North 0.13 20.5 11.1 9 48.6 42.2 36.2 9 of 1-40 S200 South of 1-40, 0.18 25.9 14.3 9 59.3 47.8 40.3 9 above crossing S200 South of 1-40, 0.26 33.8 19.2 11 72.0 55.7 44.6 11 below crossing Note 1:Published NC Piedmont Regional Curve(Harman et al., 1999). Note 2:Unpublished Revised NC Rural Piedmont Regional Curve developed by NRCS(A. Walker personal communication, 2015). Note 3: Bankfull discharge estimates vary based on Manning's Equation for the representative riffle cross-sections. Bankfull stage roughness estimates(n-values)ranged from approximately 0.020 to 0.023 based on channel slopes, depth, bed material size, and vegetation influence. Note 4:USGS rural regression equation for 2-year flood recurrence interval, Q2 =163(DA)^0.7089*10^(0.0133*(IMPNLCD06))for small rural streams(USGS,2011) Note 5:NC USGS rural regression equation extrapolated for 1.2-and 1.5-year flood recurrence interval(USGS, 2011) After considering these estimation methods and results (geometry measurements, regional curves, flow frequency and USGS regional regression equations), WLS estimated the design discharge using values between the published NC Rural and Urban Piedmont Regional Curves and Manning's equation to select the appropriate design dimensions and flows rates that best correspond to the design channel that will convey the 1.2-yr to 1.5-yr RI. The design discharge analysis summary is provided in Appendix C. 4 Draft Mitigation Plan Starker Mitigation Project Page 33 6.3.3 Channel Stability and Sediment Transport Analysis A channel stability and sediment transport analysis was performed to ensure that the stream restoration design creates a stable channel that does not aggrade or degrade over time.The existing reaches exhibit signs of degradation rather than aggradation. Sediment supply to the Project is expected to be transportable since there is little evidence of aggradation within the Site.The shear stress and maximum particle size entrained were calculated and compared with the sub-pavement and pavement/active riffle samples collected from the existing reaches as shown in Appendix C. Particles will be entrained near the riffle d50 and d84 during a bankfull flow event.This analysis provides evidence that the stresses predicted for the design channels will be within the range of stable values calculated for similar stream systems.The full sediment transport analysis is provided in Appendix C along with the sub-pavement and pavement sample results. 4 Draft Mitigation Plan Starker Mitigation Project Page 34 Table 14. Boundary Shear Stress and Stream Power 5100 5100 5100 5100 S100 S200 North of North of North of North of North of 5100 S100 S200 5200 S200 South of 5200 S200 South of[South of I• South of I• 1-40, 1-40, 1-40, S102 R1 S103 R1 140, I-40, South South S101 R1 North North of 40,above 40,above 1-40, 40,below above above above below below of 1-40 of 1-40 of 1-40 below 1-40 R2 crossing crossing crossing crossing crossing crossing crossing crossing R1 R2 R1 R1 R2 crossing R2 Parameter R1 R2 R3 R1 R2 R1 Channel Bottom Width(ft) 2.6 2.6 2.6 0.9 0.9 4 4 4.2 4.2 1.3 3 3 3 3 3.7 3.7 Channel Energy 0.052- 0.010- 0.016- 0.021- 0.009- 0.004- 0.011- 0.067- Slope(feet/foot) 0.215 0.013 0.015 0.25 0.26 0.011 0.018 0.009 0.022 0.069 0.101 0.024 0.009 0.009 0.008 0.02 Moveable particle size per Shields 32-82 32-82 24-67 Curve(mm) Bankfull XSC Area 3 3 3 0.4 0.4 7 7 8 8 0.8 4 4 4 4 6 6 (square feet) Composite 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 Mannings'n'Value Bankfull Width,W (feet) 6.5 6.5 6.5 2.4 2.4 9.9 9.9 10.6 10.6 3.3 7.5 7.5 7.5 7.5 9.2 9.2 Bankfull Depth,D (feet) 0.46 0.46 0.46 0.24 0.24 0.71 0.71 0.76 0.76 0.33 0.53 0.53 0.53 0.53 0.65 0.65 Hydraulic Radius,R (feet) 0.45 0.45 0.45 0.15 0.15 0.68 0.68 0.73 0.73 0.21 0.52 0.52 0.52 0.52 0.63 0.63 Bankfull Velocity (ft/s) 2 2 2 5.5 5.5 2.6 2.6 2.4 2.4 4.3 2.3 2.3 2.3 2.3 1.8 1.8 Bankfull Discharge, Q(cfs) 6 6 6 2.2 2.2 18.5 18.5 19 19 3.4 9 9 9 9 11 11 Boundary Ibs/ft2)Stres r -- ■ Shear 0.4 0.4 1.1 0.5 0.4 0.4 0.8 0.3 0.3 0.3 (W�Z)Power -- ■ 12.8 8.6 23.1 18.9 14.9 9.4 26.5 9.9 9.9 8.8 Active Riffle d50 -- 30.0 ---- 21.9 ■-.--- 15.9 Active Riffle d84 -- 47.3 ---- 43.7 ■-.--- 41.3 Subpavement d50 -- 17.5 ---- 3.0 ■-.--- 3.8 (mm) 6.4 Reference Sites 6.4.1 Reference Streams The rural Piedmont regional curve (Harman, 1999) was used to verify bankfull discharge and area on project streams. However, the dataset used to create the regional curve only contains two sites with drainage areas less than 2 square miles. Additionally, data collected in Surry County indicates that the rural Piedmont regional curve may overestimate bankfull dimensions for sites with drainage areas less than 10 square miles. Rather than relying on a single reference reach for design criteria,the design criteria applied to the Project are based on surveys of multiple reference reaches conducted in the past,two new reference reach sites (described below), published reference reach data, and design criteria and monitoring data from past successful restoration projects performed throughout the Piedmont region of North Carolina. Reference data compiled and presented by Lowther (2008) for similar stream types, drainage areas, and slopes within the Piedmont of North Carolina were reviewed to evaluate appropriate ranges of sinuosity and pattern data. Lowther evaluated 19 reference reach streams across the Piedmont of North Carolina—our assessment only focused on the streams in the western portion of the presented data set that were closest to the project site. Because the ranges provided by this analysis were quite wide, EPR evaluated this reference information against past completed stream restoration projects that have performed well and have been tested by significant storm events. For the smaller streams on the project site,two potential reference sites were located, both of which are on private property and require permission to access.The first site, UT to Pauls Creek, has a drainage area of 0.14 square miles and had consistent bankfull indicators throughout the reach but was impacted by a gravel road running down the hillslope to a neighboring agricultural field. Rapid methods were used to collect a riffle cross section and the difference between water surface and bankfull features to provide a small drainage area point to the regional curve data. The second site, UT to Little Fisher River, has a drainage area of 0.02 square miles and was surveyed in detail. The UT to Little Fisher River reference site was separated into two reaches and EPR collected longitudinal profiles and cross sections within both reaches. While there was flowing water in both reaches, the two reaches are separated by a dry section of channel (14 feet in length) where the flow was subterranean during both site visits.The upstream reach (riffle 1 and pool 1)was within a colluvial valley draining to the large Little Fisher River floodplain.The downstream reach (riffle 2) consisted of 40 feet of a single-thread sandy channel on the Little Fisher River floodplain before a collapsed pedestrian/ATV crossing disrupts the channel and the flow disperses into a wetland. Geomorphic data are summarized for both of these reaches below. Table 15. Reference Reach Data Comparison Parameter Local Reference Composite Reference Data Data UT to UT to Little Pauls Fisher Creek Stream Type(Rosgen) C4 C4 C B Bc Step pool Bankfull Mean Velocity,Vbkf(ft/s) - - - - - - Width to Depth Ratio,W/D(ft/ft) 14.02- 4.51 10- 14 10- 18 10- 18 10-18 16.13 Entrenchment Ratio,Wfpa/Wbkf(ft/ft) 2.05 1.96 >2.2 1.4 2.2 1.4 2.2 1.4 2.2 6.81 Riffle Max Depth Ratio, Dmax/Dbkf 1.28 1.31 1.2 1.5 1.1 1.5 1.1 1.5 1.1 1.5 1.44 Bank Height Ratio, Dtob/Dmax(ft/ft) 1 - 1.0- 1.1 1.0- 1.1 1.0- 1.1 1.0-1.1 Meander Length Ratio, Lm/Wbkf 3.0-5.2 - 7.0-12.0 N/A N/A N/A Radius of Curvature Ratio, Rc/Wbkf 1.4-2.0 - 2.0-3.5 N/A N/A N/A Meander Width Ratio,Wblt/Wbkf 1.5-2.0 - 3.5-8.0 N/A N/A N/A 1.04- - 1.2- 1.4 1.0- 1.1 1.0- 1.1 1.0-1.1 Sinuosity, K 1.3 - - - - - - Valley Slope,Sval (ft/ft) 0.0217 0.0611 0.0209- - - - - - Channel Slope,Schan (ft/ft) 0.047 Pool Max Depth Ratio, Dmaxpool/Dbkf 1.9 - 2.0-3.5 2.0-3.5 2.0-3.5 2.0-3.5 Pool Width Ratio,Wpool/Wbkf 0.8 - 1.3- 1.7 1.1- 1.5 1.1- 1.5 1.1-1.5 Pool-Pool Spacing Ratio, Lps/Wbkf 3.0-4.3 - 4.0-7.0 1.5-5.0 1.5-5.0 1.5-5.0 Note 1: Composite reference reach values and ratios were compared using the stable streams described above. Note 2: Reference reach data was collected at UT to Fisher,and UT to Pauls Creek respectively. 6.5 Water Quality Treatment Features There are four areas for S100 and six areas on S200 of active erosion due to overland flow and highway ditches on 1-40. To stabilize these eroding areas, water quality treatment features are proposed in the form of floodplain inceptors and matted grass swales to dissipate energy and gradually step-down to the stable design streams. 6.6 Revegetation Plan Riparian buffers will be established a minimum of 50 feet from the top of the streambanks along each of the Project reaches,as well as permanently protecting those buffers with a conservation easement. Many of the proposed riparian buffer widths within the conservation easement are greater than 50 feet along one or both streambanks to provide additional functional uplift potential. Proposed plantings will be conducted using native tree species seedlings. Proposed plantings will predominantly consist of bare root vegetation and will generally be planted at a total target density of 4 Draft Mitigation Plan Starker Mitigation Project Page 37 680 stems per acre.This planting density has proven successful with the reforestation of past mitigation projects, based on current USACE regulatory guidelines requiring. The proposed plant selection will help to establish an appropriate natural vegetation community based on reference conditions and water quality goals.Schafale's(2012) Natural Communities of North Carolina, as well as existing mature species identified throughout the Project area, were referenced during the development of riparian buffer planting plan for the Project site. The closest approximation natural communities are Piedmont/Low Mountain Alluvial Forest on the narrow stream floodplains and Mixed- Mesic Hardwood Forest (Piedmont Subtype) on adjacent side slopes. Species proposed for revegetation planting are presented in Table 11. Riparian wetlands are generally too small to necessitate a separate community designation. Table 16. Proposed Riparian Buffer Bare Root Plantings Proposed for Mixed- Scientific Name Common Name Planting by Mesic Alluvial Forest Species Forest Betula nigra River birch 15% Yes Fraxinus Green ash 4% Yes pennsylvanica Platanus American 15% Yes occidentalis sycamore Ulmus American elm 5% Yes americana Quercus Swamp chestnut 15% michauxii oak Yes Yes Quercus alba White oak 15% Yes Yes Quercus phellos Willow oak 10% Yes Quercus nigra Water oak 10% Yes Shagbark 5% Cary ovata Hickory Yes Diospyros Persimmon 6% Yes Yes virginiana Note:Final species selection may change due to refinement or availability at the time of planting.Species substitutions will be coordinated between WLS and planting contractor prior to the procurement of seeding stock. 6.6.1 Planting Materials and Methods Planting will be conducted during the dormant season, with all trees installed between Mid-November and April 30h. The final planting zone limits may be modified based on these observations and comparisons, and the final selection of the location of the planted species will be matched according to the species wetness tolerance and the anticipated wetness of the planting area. Live Staking and Live Branch Cuttings: Where black willow (Salix nigra) live staking is proposed on streambanks, live stakes will typically be installed at a minimum of 40 stakes per 1,000 square feet and the stakes will be spaced approximately two to three feet apart in meander bends and six to eight feet apart in the riffle sections, using a triangular spacing pattern along the streambanks, between the toe of 4 Draft Mitigation Plan Starker Mitigation Project Page 38 the streambank and bankfull elevation.When bioengineering is proposed, live branch cutting bundles will be installed at five linear feet per bundle approximately two to three branches thick. Permanent Seeding: Permanent seed mixtures of native species herbaceous vegetation and temporary herbaceous vegetation seed mixtures will be applied to all disturbed areas of the Project site.Temporary and permanent seeding will be conducted simultaneously at all disturbed areas of the Project site during construction and will conducted with mechanical broadcast spreaders.Table 17 lists the proposed species, mixtures, and application rates for permanent seeding. The vegetation species proposed for temporary seeding germinate quickly to swiftly establish vegetative ground cover and thus, short term stability.The permanent seed mixture proposed is suitable for streambank, floodplain, and adjacent riparian wetland areas,and the upland transitional areas in the riparian buffer. Beyond the riparian buffer areas,temporary and permanent seeding will also be conducted at all other disturbed areas of the Project site that are susceptible to erosion. If temporary seeding is applied from November through April, rye grain will be used and applied at a rate of 130 pounds per acre. If applied from May through October, temporary seeding will consist of browntop millet, applied at a rate of 40 pounds per acre. Table 17. Proposed Riparian Buffer Permanent Seeding Scientific Name Common Name %Proposed for Seeding Rate(lb/acre) Planting by Species Andropogon Big blue stem 10% 2.0 gerardii Dichanthelium clandestinum Deer tongue 15% 3.0 Elymus virginicus Virginia wildrye 15% 3.0 Panicum virgatum Switchgrass 15% 3.0 Schizachyrium Little blue stem 25% 5.0 scoparium Rudbeckia hirta Black-eyed susan 10% 2.0 Echinacea purpurea Coneflower 10% 2.0 Note:Final species selection may change due to refinement or availability at the time of planting.Species substitutions will be coordinated between WLS and planting contractor prior to the procurement of seeding stock. Invasive Species:Invasive species vegetation,such as Chinese privet and multiflora rose will be treated to allow native plants to become established within the conservation easement. During the Project implementation,invasive species exotic vegetation will be treated both to control its presence and reduce its spread within the conservation easement areas. 6.7 Site Construction Methods 6.7.1 Site Grading and Construction Elements Much of the grading across the Project site will be conducted within the existing riparian corridor. The restored streams will be excavated within the existing valleys. Suitable fill material will be generated from new channel excavation and adjacent upland areas and hauled to ditch fill/plugs or stockpile locations as 4 Draft Mitigation Plan Starker Mitigation Project Page 39 necessary. Portions of the existing, unstable channels will be partially to completely filled in along their length using compactable material excavated from construction of the restored channels. Floodplain grading activities will focus on restoring pre-disturbance valley topography by removing field crowns, overburden/spoil, and surface drains that were imposed during conversion of the land for agriculture. In general, floodplain grading activities will be minor, with the primary goal of soil scarification, creating depressional areas, water quality and habitat features, and microtopographic crenulations by filling the drainage features at the Project site back to natural ground elevations(Scherrer, 1999). Any excess material not used for ditch plugging or suitable as a soil base for vegetation will be spread across upland areas outside of the easement boundary and jurisdictional WOTUS. 6.7.2 Stream, Wetland and Floodplain Improvement Features Stream improvement features such as in-stream structures and bioengineering techniques are proposed for grade control, streambank protection, and improving bedform diversity and habitat. All in-stream structures will be constructed from materials naturally found in the region such as hardwood trees, trunks/logs, brush/branches, and gravel stone materials. Whenever possible, existing substrate material in the abandoned stream channels will be harvested and utilized for the new channel locations. WLS will also incorporate bioengineering practices, when appropriate, that use biodegradable materials and fabrics, uncompacted soils, live plant cuttings,and native species vegetation to stabilize streambanks. Bioengineering treatments will provide initial bank stability that allows for the quick establishment of deep-rooted vegetation along the newly restored streambanks. Additionally, floodplain improvement features such as coarse woody debris (CWD) will be installed. This will mimic features like tree throws, snags, stumps, etc. that are commonly found in natural riparian systems. These floodplain improvement features will be added to provide habitat and serve as water storage and sediment sinks throughout the corridor to improve riparian functions (Dooley, 2003). 6.7.3 Construction Feasibility WLS has field verified that the Project site has adequate,viable construction access,staging,and stockpile areas. Physical constraints or barriers, such as stream crossings, account for only a small percentage of the proposed total stream reach length within the Project boundary. Existing Project site access points and features will be used for future access after the completion of construction. 6.7.4 Future Project Risks and Uncertainties Listed below are identified project risks and uncertainties that have been evaluated in the development of design plans for the site, along with methods that have been/will be used to address these concerns. Land Use Development: There is potential for increased land development around the site in the future that could lead to additional runoff and changes to watershed hydrology. o Methods to Address: The project area has seen little development in recent years, though development could occur near the site in the foreseeable future. Restoration of the site to reconnect streams to their floodplains will reduce the likelihood of future degradation from watershed changes, as increased flows will spread over a wider floodplain. Grade control (in the form of constructed instream structures and natural bedrock outcrops) present across the restored site decrease the chances of future channel incision. 4 Draft Mitigation Plan Starker Mitigation Project Page 40 Easement Encroachment: There is potential for landowner encroachment into the permanent conservation easement. o Methods to Address: WLS has had considerable discussions with the landowner regarding the project requirements and limitations of easement access and is confident that the landowners fully understand and will maintain the easement protections.The landowner has also completed previous DMS restoration projects on other property they own.The easement boundaries will be clearly marked per requirements. Any encroachments that do occur will be remedied by WLS or the long-term steward to remedy any damage and provide any other corrections required by the I RT. Drought and Floods: There is potential for extreme climatic conditions during the monitoring period of the project. o Methods to Address: WLS will apply adaptive management techniques as necessary to meet the site performance criteria. Such adaptive management may include replanting, channel damage repair, irrigation, or other methods. If adaptive management activities are significant, additional monitoring may be required by the IRT. Beavers: While there was no evidence of beaver activity during recent assessments, there is potential for beavers to affect the site during the monitoring period of the project. o Methods to Address: WLS will take steps to trap and remove beaver if they threaten Project success during the monitoring period. 1-40 Widening: There is some potential for the widening of 1-40 along the corridor by the Project which could affect the conservation easement. At the present time there are no plans to widen 1-40; however, it could potentially happen sometime in the next 15-30 years. o Methods to Address: WLS set the easement boundaries 25 feet off the current right of way to account for potential widening of the corridor. NCDOT has been notified of the Project and did not provide any guidance for easement set-backs or future encroachment. NCDOT will evaluate potential encroachments if the need arises. 7 Maintenance Plan The Project will be monitored on a regular basis and a physical inspection of the Project will take place at least twice a year throughout the post-construction monitoring period until performance standards are met.These inspections may identify Project components and features that require routine maintenance. Routine maintenance is anticipated in the years following Project construction and may include the following components as described in Table 18. 4 Draft Mitigation Plan Starker Mitigation Project Page 41 Table 18. Routine Maintenance Components Feature Maintenance Activity Through Close-out Stream Routine channel maintenance and repair activities may include modifying in-stream structures to prevent piping,securing loose coir matting, and supplemental installation of live stakes and other target vegetation along the Project reaches.Areas of concentrated stormwater and floodplain flows that intercept the channel may also require maintenance. Vegetation Vegetation will be maintained to ensure the health and vigor of the targeted plant community. Routine vegetation maintenance and repair activities may include supplemental planting, pruning,and fertilizing. Exotic invasive plant species will be treated by mechanical and/or chemical methods.Any invasive plant species control requiring herbicide application will be performed in accordance with NCDA rules and regulations. Project Site Project boundaries will be demarcated in the field to ensure clear distinction between the Boundary Project site and adjacent properties. Boundaries may be identified by fence, marker, bollard, post,or other means as allowed by Project conditions and/or conservation easement. Boundary markers disturbed,damaged,or destroyed will be repaired and/or replaced on an as needed basis. Stream Crossing The stream crossing(s)within the Project may be maintained only as allowed by the recorded Conservation Easement,deed restrictions, rights of way,or corridor agreements. Beaver Routine maintenance and repair activities caused by beaver activity may include supplemental Management planting, pruning,and dewatering/dam removal. Beaver management will be implemented using accepted trapping and removal methods only within the recorded Conservation Easement. Livestock Exclusion Livestock exclusion fencing will be installed outside the Conservation Easement boundary to Fencing ensure no cattle are allowed within the Project boundary. Routine maintenance of fencing will the responsibility of the landowner. 8 Performance Standards The success criteria for the Project will follow the approved performance standards and monitoring protocols presented in this mitigation plan which have been developed in compliance with the USACE October 2016 Guidance, USACE Stream Mitigation Guidelines (April 2003 and October 2005), and 2008 Compensatory Mitigation Final Rule. Monitoring activities will be conducted for a period of seven years with the final duration dependent upon performance trends toward achieving the Project goals and objectives. Specific success criteria components and evaluation methods are described below. 8.1 Streams Stream Hydrology: Four bankfull flow events must be documented within the seven-year monitoring period.The bankfull events must occur in separate years. Otherwise,the stream monitoring will continue until four bankfull events have been documented in separate years. Stream Profiles, Vertical Stability,and Floodplain Access: Stream profiles,as a measure of vertical stability and floodplain access will be evaluated by looking at Bank Height Ratios (BHR). In addition, observed bedforms should be consistent with those observed for channels of the design stream type(s). The BHR 4 Draft Mitigation Plan Starker Mitigation Project Page 42 shall not exceed 1.2 along the restored Project stream reaches. This standard only applies to restored reaches of the channel where BHRs were corrected through design and construction. Stream Horizontal Stability: Cross-sections will be used to evaluate horizontal stream stability. There should be little change expected in as-built restoration cross-sections. If measurable changes do occur,they should be evaluated to determine if the changes represent a movement toward a more unstable condition (e.g., downcutting, erosion) or a movement towards increased stability (e.g., settling, vegetation establishment, deposition along the streambanks, decrease in width/depth ratio). Cross-sections shall be classified using the Rosgen Stream Classification method and all monitored cross-sections should fall within the quantitative parameters defined for channels of the design stream type. Streambed Material Condition and Stability: After construction, there should be minimal change in the particle size distribution of the streambed materials, over time, given the current watershed conditions and anticipated upstream sediment supply. Since the stream substrate and supply is predominantly fine particles (sand), significant changes in particle size distribution and excess channel aggradation are not expected. Jurisdictional Stream Flow: The restored stream systems must be classified as at least intermittent, and intermittent streams must exhibit 30 days of continuous flow for some portion of the year during a year with normal rainfall conditions. Photo Documentation:Photographs should illustrate the Project's vegetation and morphological stability on an annual basis. Cross-section photos should demonstrate no excessive erosion or degradation of the banks. Longitudinal photos should indicate the absence of persistent mid-channel bars or vertical incision. Grade control structures should remain stable. Deposition of sediment on the bank side of vane arms is preferable. Maintenance of scour pools on the channel side of vane arms is expected. 8.2 Vegetation Vegetative restoration success for the Project during the intermediate monitoring years will be based on the survival of at least 320, three-year-old planted trees per acre at the end of Year 3 of the monitoring period; and at least 260, five-year-old, planted trees per acre that must average seven feet in height at the end of Year 5 of the monitoring period. The final vegetative restoration success criteria will be achieving a density of no less than 210, seven-year-old planted stems per acre that must average 10 feet in height in Year 7 of monitoring. 8.3 Invasive Species WLS will treat invasive species vegetation within the project area and provide remedial action on a case by-case basis. Common invasive species vegetation, such as Chinese privet and multiflora rose will be removed to allow native plants to become established within the conservation easement. Invasive species vegetation will be treated by approved mechanical and/or chemical methods. Any control methods requiring herbicide application will be performed in accordance with NC Department of Agriculture (NCDA) rules and regulations. If necessary, these removal treatments (i.e., cutting and/or spraying) will continue until the corrective actions demonstrate that the site is trending towards or meeting the standard monitoring requirement. 4 Draft Mitigation Plan Starker Mitigation Project Page 43 9 Monitoring Plan In accordance with the approved mitigation plan, the baseline monitoring document and as-built report documenting the mitigation activities will be developed within 60 days of the completion of planting and monitoring device installation at the restored Project. In addition, a period of at least six months will separate the as-built baseline measurements and the first-year monitoring measurements. The baseline monitoring document and as-built monitoring report will include all information required by the USACE Stream Mitigation Guidelines, issued in April 2003 and USACE Guidance for Compensatory Stream and Wetland Mitigation Conducted for Wilmington District dated October 2016. WLS will conduct mitigation performance monitoring based on these methods and will submit annual monitoring reports to IRT by December 31st of each monitoring year during which required monitoring is conducted. Project success criteria must be met by the final monitoring year prior to project closeout, or monitoring will continue until unmet criteria are successfully met. The following subsections summarize the monitoring methods and linkage between the goals, parameters, and expected functional lift outcomes. Figure 10 illustrates the post-construction monitoring feature types and location. 9.1 Stream Monitoring Hydrologic monitoring will be conducted for all of the Project stream reaches. For reaches that involve a combination of traditional Restoration (Rosgen Priority Level I and II)approaches,geomorphic monitoring methods will be employed to evaluate the effectiveness of the restoration practices. Visual monitoring will be conducted along these reaches as described herein. For the Project reaches involving an Enhancement Level II approach, monitoring efforts will focus primarily on visual inspections, photo documentation, and vegetation assessments, each as described herein. The monitoring of these Project reaches will utilize the methods described under visual monitoring. 9.1.1 Hydrologic Monitoring The occurrence of four required bankfull events within the monitoring period,along with floodplain access by flood flows, will be documented using pressure transducers and/or photography. The pressure transducers will be installed on the floodplain of the restored channels for monitoring. The pressure transducers will record the flood stage between monitoring site visits and used to determine if a bankfull or significant flow event occurred since the previous site visit. Corresponding photographs will be used to document the occurrence of debris lines and sediment deposition on the floodplain during monitoring site visits. This hydrologic monitoring will help establish that the restoration objectives of restoring floodplain functions and promoting more natural flood processes are being met. 9.1.2 Geomorphic Monitoring Pattern:A planimetric survey will be conducted for the entire length of restored channel immediately after construction to document as-built baseline conditions (Monitoring Year 0). The survey will be tied to a permanent benchmark and measurements will include thalweg, bankfull, and top of banks.The plan view measurements such as sinuosity, radius of curvature, meander width ratio will be taken on newly constructed meanders during baseline documentation (Monitoring Year 0) only.These measurements will demonstrate that the restored stream channel pattern provides more stable planform and associated 4 Draft Mitigation Plan Starker Mitigation Project Page 44 features than the old channel, which provide improved aquatic habitat and geomorphic function, as per the restoration objectives. Dimension: Permanent cross-sections will be installed and surveyed at an approximate rate of one cross- section per 20 bankfull widths or an average distance interval (not to exceed 500 LF) of restored stream, with approximately 50%cross-sections located at riffles, and 50% located at pools. Each cross-section will be monumented on both streambanks to establish the exact transect used and to facilitate repetition each year and easy comparison of year-to-year data.The cross-section surveys will occur in years 0 (as-built), 1, 2, 3, 5, and 7, and will include measurements of bankfull cross-sectional area (Abkf) at low bank height, Bank Height Ratio (BHR)and Entrenchment Ratio(ER).The monitoring survey will include points measured at all breaks in slope, including top of streambanks, bankfull, inner berm,edge of water,and thalweg, if the features are present. There should be minimal change in as-built cross-sections. Stable cross-sections will establish that the restoration goal of creating geomorphically stable stream conditions has been met. If changes do take place, they will be documented in the survey data and evaluated to determine if they represent a movement toward a more unstable condition (e.g., down-cutting or erosion) or a movement toward increased stability (e.g., settling, vegetative changes, deposition along the streambanks, or decrease in width-to-depth ratio). Using the Rosgen Stream Classification System, all monitored cross-sections should fall within the quantitative parameters defined for channels of the design stream type. Given the smaller channel sizes and meander geometry of the proposed steams, bank pin arrays will not be installed unless monitoring results indicate active lateral erosion at cross-sections occurring in meander bends or an increase of greater than 15% in cross-sectional area, or when visual monitoring indicates potential bank instability. Reference photo transects will be taken at each permanent cross-section. Lateral photos should not indicate excessive erosion or continuing degradation of the streambanks. Photographs will be taken of both streambanks at each cross-section. A survey tape stretched between the permanent cross-section monuments/pins will be centered in each of the streambank photographs. The water elevation will be shown in the lower edge of the frame, and as much of the streambank as possible will be included in each photo. Photographers should attempt to consistently maintain the same area in each photo over time. Profile:A longitudinal profile will be surveyed for the entire length of restored channel immediately after construction (Monitoring Year 0) to document as-built baseline conditions. The survey will be tied to a permanent benchmark and measurements will include thalweg, water surface, bankfull, and top of low bank. Each of these measurements will be taken at the head of each feature (e.g., riffle, pool) and at the maximum pool depth. The longitudinal profile should show that the bedform features installed are consistent with intended design stream type.The longitudinal profiles will not be taken during subsequent monitoring years unless vertical channel instability has been documented or remedial actions/repairs are deemed necessary. Bank height ratios will be measured along the restored reaches using the results of the longitudinal profile. 9.1.3 Flow Duration Monitoring Jurisdictional Stream Flow Documentation: Monitoring of stream flow will be conducted to demonstrate that the restored stream systems classified as intermittent exhibit surface flow for a minimum of 30 consecutive days throughout some portion of the year during a year with normal rainfall conditions. To 4 Draft Mitigation Plan Starker Mitigation Project Page 45 determine if rainfall amounts are normal for the given year, precipitation amounts using tallied data obtained from the Oxford Rs near Claremont, NC,approximately 3.7 miles North of the Project site will be used. Data from the station can be obtained from USGS. In the event USGS stops maintaining this gage, data can be obtained from the CRONOS Database located on the State Climate Office of North Carolina's website for the Hickory Airport Station approximately 12.5 miles away. If a normal year of precipitation does not occur during the first seven years of monitoring, monitoring of flow conditions at the Project site will continue until it documents that the intermittent streams have been flowing during the appropriate times of the year. The proposed monitoring of restored intermittent reaches will include the installation of flow devices (continuous-read pressure transducers)within the thalweg(bottom)of the channel towards the upper one- third portion of the reach. In addition, photographic documentation using a continuous series of remote photos over time may be used to subjectively evaluate and document channel flow conditions throughout the year. More specifically,the longitudinal photos should indicate the presence of flow within the channel to illustrate water levels within the pools and riffles. The photographs will be taken from a height of approximately five feet to ensure that the same locations (and view directions) at the Project site are documented in each monitoring period and will be shown on a plan view map.The devices will be inspected on a quarterly basis to document surface hydrology and provide a basis for evaluating flow response to rainfall events and surface runoff throughout the monitoring period. 9.2 Vegetation Monitoring Vegetation-monitoring quadrants or plots will be installed and monitored across the Project in accordance with the CVS-EEP Level 1 & II Monitoring Protocol (CVS, 2008). The vegetation monitoring plots shall comprise approximately 2% of the planted portion of the Project site with approximately 22 plots established randomly within the planted riparian buffer areas. The sampling may employ quasi-random plot locations which may vary upon approval from IRT. Any random plots should comprise no more than 50% of the total required plots, and the location (GPS coordinates and orientation) will be identified in the monitoring reports.The size and location of individual quadrants will be 100 square meters (i.e., 10m X 10m or 5m X 20M) for woody tree species and may be adjusted based on site conditions after construction activities have been completed. No monitoring quadrants will be established within undisturbed wooded preservation areas, however visual observations will be documented in the annual monitoring reports to describe any changes to the existing vegetation community. Vegetation monitoring will occur in the fall each required monitoring year, prior to the loss of leaves. Mortality will be determined from the difference between the previous year's living, planted seedlings and the current year's living, planted seedlings. Data will be collected at each individual quadrant and will include specific data for monitored stems on diameter, height,species, date planted, and grid location, as well as a collective determination of the survival density within that quadrant. Individual planted seedlings will be marked at planting or monitoring baseline setup so that those stems can be found and identified consistently each successive monitoring year. Volunteer species will be noted and if they are on the approved planting list and meet success criteria standards,they will be counted towards success criteria. Other species not included on the list may be considered by the IRT on a case-by-case basis.The presence of invasive species vegetation within the monitoring quadrants will also be noted, as will any wildlife effects. At the end of the first full growing season (from baseline/year 0) or after 180 days, species composition,stem density and survival will be evaluated. For each subsequent year,vegetation plots shall 4 Draft Mitigation Plan Starker Mitigation Project Page 46 be monitored for seven years in years 1, 2, 3, 5 and 7, and visual monitoring in years 4 and 6, or until the final success criteria are achieved. 9.3 Visual Assessment Monitoring WLS will conduct visual assessments in support of mitigation performance monitoring.Visual assessments of all stream reaches will be conducted at least twice per monitoring year with a minimum of five months in between each site visit throughout the monitoring period.Photographs will be used to visually document system performance and any areas of concern related to streambank and bed stability, condition of in- stream structures, channel migration, active headcuts, live stake mortality, impacts from invasive plant species or animal browsing, easement boundary encroachments, cattle exclusion fence damage, and the general condition of pools and riffles. The monitoring activities will document and quantify the visual assessment throughout the monitoring period. A series of photographs over time will be compared to subjectively evaluate channel aggradation (bar formations) or degradation, streambank erosion, successful maturation of riparian vegetation, and effectiveness of sedimentation and erosion control measures. More specifically, the longitudinal profile photos should indicate the absence of developing bars within the channel or excessive increase in channel depth, while lateral photos should not indicate excessive erosion or continuing degradation of the banks. The photographs will be taken from a height of approximately five feet to ensure that the same locations (and view directions)at the Project site are documented in each monitoring period and will be shown on a plan view map.The results of the visual monitoring assessments will be used to support the development of the annual monitoring document that provides the visual assessment metrics. 4 Draft Mitigation Plan Starker Mitigation Project Page 47 Table 19. Proposed Monitoring Plan Summary Functional Project Goal/ Measurement Potential Functional Category Parameter Method Performance Standard Uplift (Level) Improve Base Flow Pressure transducer Create a more natural Maintain seasonal flow on stage recorder, and higher functioning Duration and intermittent streams for a Hydrology regional curve, headwater flow regime (Level 1) Overbank Flows(i.e. regression equations, minimum of 30 consecutive and provide aquatic channel forming days during normal annual discharge) catchment rainfall. passage. assessment Maintain average BHRs<_1.2 Provide temporary Reconnect and ERs>_2.2 and document water storage and Bank Height Ratio, Hydraulics Floodplain/Increase out of bank and/or significant reduce erosive forces (Level 2) Floodprone Area Entrenchment Ratio, flow events using pressure (shear stress)in Widths Crest gauge transducers or photographs& channel during larger crest gauges. flow events. Pool to pool spacing, Increase riffle/pool Provide a more natural Improve Bedform riffle-pool sequence, percentage and pool-to-pool stream morphology, Diversity pool max depth ratio, spacing ratios compared to energy dissipation and longitudinal profile reference reach conditions. aquatic habitat/refugia. Cross sections and Decrease streambank erosion Reduce sedimentation, Increase Vertical and longitudinal profile rates comparable to excessive aggradation, Lateral Stability surveys,visual reference condition cross- and embeddedness to section,pattern and vertical allow for interstitial Geomorphology assessment profile values. flow habitat. (Level 3) Within planted portions of CVS Level I&II the Project site,a minimum Increase woody and Protocol Tree Veg of 320 stems per acre must herbaceous vegetation Establish Riparian Plots(Strata be present at year three;a will provide channel Buffer Vegetation Composition Vigor minimum of 260 stems per stability and reduce and Density),visual acre must be present at year streambank erosion, five;and a minimum of 210 runoff rates and exotic assessment stems per acre must be species vegetation. present at year seven. Removal of excess nutrients and organic Physiochemical Improve Water N/A N/A pollutants will increase (Level 4) Quality the hyporheic exchange and dissolved oxygen (DO)levels. Increase leaf litter and Improve Benthic organic matter critical Biology Macroinvertebrate N/A N/A to provide in-stream (Level 5) Communities and cover/shade,wood Aquatic Health recruitment,and carbon sourcing. Note: Level 4 and 5 project parameters and monitoring activities are not proposed and are not required to demonstrate success for credit release. 10 Long-Term Management Plan The Project will be protected in perpetuity by a recorded conservation easement. The conservation easement will allow for annual monitoring and maintenance of the Project during the monitoring phase. Upon final site approval and project closeout, the Project stewardship will be transferred to an approved 4 Draft Mitigation Plan Starker Mitigation Project Page 48 long-term stewardship program. WLS has partnered with Unique Places To Save (UP2Save) as the long- term steward for the Project site (See Appendix D for conservation easement and engagement letter). Unique Places To Save Attn: Michael Sisco PO Box 1183 Chapel Hill, NC 27514 803-553-1644 info@uniqueplacestosave.org This party shall serve as conservation easement holder and long-term steward for the property and will conduct periodic inspection of the Project to ensure that restrictions required in the conservation easement are upheld. Any endowment funds for the conservation easement and deed restrictions shall be negotiated prior to transfer to the responsible party. Funding will be supplied by the responsible party on a yearly basis until such time and endowments are established.The use of funds from the Endowment Account is governed by NC General Statue GS 113A-232(d) (3). Payments and interest gained by the endowment fund may be used only for stewardship, monitoring, stewardship administration, and land transaction costs, if applicable.The management activities will be conducted in accordance with the terms and conditions of the approved UMBI as agreed to by WLS, USACE, and the IRT. 11 Adaptive Management Plan The Sponsor will conduct post-construction monitoring activities and routine maintenance as needed for the duration of the monitoring period.The Sponsor will notify the USACE immediately if monitoring results or visual observations demonstrate that performance standards cannot be achieved. In the event the Project site or a specific component of the Project site fails to achieve the performance standards as specified in the mitigation plan, the sponsor shall notify the IRT and develop a corrective action plan and facilitate remedial actions.The Sponsor is responsible for providing any necessary permits to implement the corrective action plan that describes the extent and nature of the work to be performed. If the USACE determines that the Bank is not meeting performance standards,or the Sponsor is not complying with the terms of the instrument, the USACE may take appropriate actions, including but not limited to: holding credit sales, utilizing financial assurances, and/or terminating the instrument. The site will be monitored on a regular basis and a physical inspection of the site will take place at least once a year throughout the post-construction monitoring period until performance standards are met. These site inspections may identify site components and features that require routine maintenance. Routine maintenance should be expected most often in the first two years following site construction. 12 Financial Assurances CONFIDENTIAL The Sponsor will provide financial assurances in the form of casualty insurance or a performance bond that is acceptable to the USACE and sufficient to assure successful completion of all mitigation bank activities, reporting and monitoring, and any remedial work required pursuant to the approved Mitigation 4 Draft Mitigation Plan Starker Mitigation Project Page 49 Plan and/or UMBI. The insurance policy or performance bond will be submitted for review and approval by the USACE. The financial assurance will cover the cost estimates for providing the mitigation bank activities such as site mobilization and construction, annual monitoring,and reporting as outlined in Table 20 and broken out by annual cost below.There will be a financial assurance for the construction phase in the amount of$1,300,000 and that financial assurance will be retired following completion of construction and planting.Then a monitoring financial assurance in the amount of$304,000 will be provided to assure completion of seven years of monitoring and reporting, and any remedial work required during the monitoring period. Table 20. Financial Assurances Category Item Estimated Cost Construction Site Earthwork,Amenities,&Planting $1,300,000 Monitoring Activities and $160,000 Monitoring& Annual Reports through 7 years Maintenance Land Management and Routine Maintenance $40,000 Contingency/Remedial Action $104,000 The annual monitoring costs for Table 20 are itemized below and each item includes direct costs. Annual Monitoring Costs Price Per Task Gauge downloads/maintenance $3,500.00 Vegetation Plot Measurements (22 plots&3 transects) $5,357.00 On-site Physical Measurements (22 XS) $7,000.00 Data Processing and Analysis $3,000.00 Report Preparation $4,000.00 TOTAL ANNUAL MONITORING COSTS $22,857.00 Annual Maintenance Costs Price Per Task Invasive Species Vegetation and Annual Maintenance $5,714 The monitoring financial assurance will be reduced by $43,428 following approval of each annual monitoring report as provided in the financial assurance policy.The monitoring financial assurance will be retired in total following official notice of site close-out from the IRT. Financial assurances shall be payable to a standby trust or other designee at the direction of the obligee. Financial assurances structured to provide funds to the USACE in the event of default by the Bank Sponsor are not acceptable. The USACE shall receive notification at least 120 days in advance of any termination or revocation. In the event of Sponsor default, UP2S has agreed to receive the endowment funds and will ensure the mitigation work is successfully completed. 4 Draft Mitigation Plan Starker Mitigation Project Page 50 13 References Dooley and Maschhoff, 2003. Functional requirements and design parameters for restocking coarse woody features in restored and enhanced wetlands. Doll, B.A., D.E. Wise-Frederick, C.M. Buckner, S.D. Wilkerson, W.A. Harman, R.E. Smith, and J. Spooner. 2002. Hydraulic geometry relationships for urban streams throughout the Piedmont of North Carolina.Journal of the American Water Resources Association 38(3): 641-651. Dunne, T. & Leopold, L.B. (1978): Water in Environmental Planning W.HG. Freeman Co., San Francisco, 818 pp. Ecological Flows Science Advisory Board (EFSAB). 2013. Recommendations for Estimating Flows to Maintain Ecological Integrity in Streams and Rivers in North Carolina. https://www.fws.gov/asheville/pdfs/Recommendations_for_Maintaining_Flows_FINAL%202013 -10-30.pdf Federal Interagency Stream Restoration Working Group (FISRWG). 1998. Stream corridor restoration: Principles, processes and practices. National Technical Information Service. Springfield,VA. Griffith, G.E., et al. 2002. Ecoregions of North Carolina. Reston,VA. United States Geological Survey. Harman, W.A., G.D. Jennings, J.M. Patterson, D.R. Clinton, L.O. Slate, A.G. Jessup, J.R. Everhart, and R.E. Smith. 1999. Bankfull hydraulic geometry relationships for North Carolina streams. Wildland Hydrology. AWRA Symposium Proceedings. D.S. Olsen and J.P. Potyondy, eds. American Water Resources Association.June 30-July 2, 1999. Bozeman, MT. Harman, W.A. and C.J.Jones. 2016. Functional Lift Quantification Tool for Stream Restoration Projects in North Carolina: Spreadsheet User Manual. Environmental Defense Fund, Raleigh, NC. Harman, W., R. Starr, M. Carter, K. Tweedy, M. Clemmons, K. Suggs, C. Miller. 2012. A function based framework for developing stream assessments, restoration goals, performance standards and standard operating procedures. U.S. Environmental Protection Agency, Office of Wetlands, Oceans, and Watersheds,Washington, D.C. Harman, W., R. Starr. 2011. Natural Channel Design Review Checklist. US Fish and Wildlife Service, Chesapeake Bay Field Office, Annapolis, MD and US Environmental Protection Agency, Office of Wetlands, Oceans, and Watersheds,Wetlands Division. Washington D.C. EPS 843-B-12-005. Leopold, Luna B., 1994. A View of the River. Harvard University Press. Cambridge, Mass. NC Stream Functional Assessment Team,2015. "NC Stream Assessment Method (NC SAM) User Manual". Version 2.1,August 2015. NC Wetland Functional Assessment Team, 2010. "NC Wetland Assessment Method (NC WAM) User Manual". Version 4.1, October 2010. North Carolina Department of Environmental Quality, 2019. "DWR Surface Water Classifications." Accessed via: https://deq.nc.gov/about/divisions/water-resources/planning/classification- standards/classifications#DWRPrimaryClassification 4 Draft Mitigation Plan Starker Mitigation Project Page 51 North Carolina Department of Environmental Quality, 2010. "Catawba River Basin wide Water Quality Plan." North Carolina Department of Environmental Quality, Division of Water Resources, Water Sciences Section, Biological Assessment Branch. 2016. Standard Operating Procedures for the Collection and Analysis of Benthic Macroinvertebrates,v. 5.0. North Carolina Department of Environment and Natural Resources (DENR). N.C. Ecosystem Enhancement Program (EEP) 2007 amended 2013. "Catawba River Basin Restoration Priorities." Rosgen, D.L. 1994. A Classification of Natural Rivers. Catena 22:169-199. Schafale, M.P. 2012. Guide to the Natural Communities of North Carolina, Fourth Approximation. North Carolina Natural Heritage Program, Division of Parks and Recreation, NCDENR, Raleigh, NC. Scherrer, E. 1999. Using Microtopography to Restore Wetland Plant Communities in Eastern North Carolina. http://www4.ncsu.edu/unity/users/s/shear/public/restore/scherrer.htm Simon,A. 1989. A model of channel response in disturbed alluvial channels. Earth Surface Processes and Landforms. United States Army Corps of Engineers. 1987. Corps of Engineers Wetlands Delineation Manual. Technical Report Y-87-1. Environmental Laboratory. US Army Engineer Waterways Experiment Station. Vicksburg, MS. United States Army Corps of Engineers. 1997. Corps of Engineers Wetlands Research Program. Technical Note VN-RS-4.1. Environmental Laboratory. U.S. Army Engineer Waterways Experiment Station. Vicksburg, MS. United States Army Corps of Engineers. 2003. Stream Mitigation Guidelines,April 2003, U.S.Army Corps of Engineers. Wilmington District. United States Army Corps of Engineers. 2016. Notification of Issuance of Guidance for Compensatory Stream and Wetland Mitigation Conducted for Wilmington District, October 2016, U.S. Army Corps of Engineers. Wilmington District. United States Army Corps of Engineers. 2009. Compensatory Mitigation for Losses of Aquatic Resources; Final Rule dated April 10, 2009 of the Federal Register Vol. 73, No. 70. United States Department of Agriculture, Natural Resources Conservation Service Soil Survey Division. A. Walker, Personal communication, 2015. NC BEHI/NBS rating curve. United States Department of Agriculture, Natural Resources Conservation Service Soil Survey Division. 1975. Soil Survey of Catawba County, North Carolina. United States Department of Interior, Fish and Wildlife Service (USFWS). Threatened and Endangered Species in North Carolina (County Listing). Mecklenburg County. 2019. Wolman, M. G., and Leopold, L. B., 1957, River flood plains; some observations on their formation: U.S. Geol. Survey Prof. Paper 282-C, pg 22. 4 Draft Mitigation Plan Starker Mitigation Project Page 52 Figures WLS Catawba 01 Umbrella Mitigation Bank Starker Mitigation Project Figure 1—Project Location Map Figure 2—Service Area Map Figure 3—USGS Topographic Quad Map Figure 4—NRCS Soils Map Figure 5—LiDAR Map Figure 6—FEMA Floodplain Map Figure 7a—1951 Aerial Photograph Figure 7b—1964 Aerial Photograph Figure 7c— 1993 Aerial Photograph Figure 7d—2012 Aerial Photograph Figure 8—Existing Conditions Map Figure 9—Proposed Mitigation Map Figure 10—Proposed Monitoring Map _m y •t'2 - - Legend air Alexander:County Proposed • Project Location it Q Conservation = HUC-8 Easement -N.- NC Counties n Parcel Boundary Existing Stream Catawba County Iredell Statesv C�our ille 0 NC Cities Hickory • Newt to iii..."11--.1.----TrreldriA, eflij(li 4.pl, ...Ab... _..ii,—....__Iiii_ • -- ..- ,_. -N 411511111111141111111 161 iiiMMEOPtillr&wilitpipl - 0111,4401116* AlWahl°1410 Catawba County aill#11006L. i Mai— liptibbilkifrW il 4 1 • e o 0 50 100 :1\ Lln„oln Cou•1ty OMlles Mlles _ ii lr�Gre... .. O v '` , l Project is located in: 4, ; r fl, 3 oa °l HUC8-03050101 s Q �e o z,r°°a HUC12-030501011102 .0ir Eaete°'wti �r° ° NW J ,6 • r o`e c - ----_-_ �' w DuckPond°rNE °okU^ 'Y - in sr Johns Church Rd NE C i Lr Oi r er Dr onnai+ q • H -- Botanical Or I 35.727984,-81.176076 ' 0 .arn Rd -� Keifer 51 - - -� ,' or Pr o e n s 2 ` Montclair Dr C'rH - - -- - 6 a a o • i 7 \ 1 S. z Ge„terrtat$1vd m Mr Z z n \di ' . _ a N �1 • a m to 1 O O an`Rd a fs np �y,� •e rn E Cal, O Q.° ) °achf^ O+t�a T.• Waaseone Z i `3i. Park E Z rs f�'3 p Bss, ��^ •Mlcr St a?c°Or �, Z,,, 0° A` nns aka a Claremont z \\ .. 0 o n • Z i S` • _ iI a c p `lion Ra a °C - Rd Jo .E U5 9e. H °` 0 SINE- • o c v Ca8lo or NE Evans • E n` w . U o b N fl r v o A[h St NE n z �I JOt Y 7 '. - ' alie or °Oak CI 0 m 2,000 and St NE 4,000 ° ei o+``� 8 - - _ Feet Z °°� 9 I 1 Starker Mitigation Project Figure 4WATER & LAN Dr' Catawba - 03050101 Project Location Catawba County, NC Map I so �uTio � s — Map Projection:NAD 83 2011 State Plane North Carolina FIPS 3200 FT US Date:3/17/2021 Service Layer Credits:Sources:Esri,HERE,Garmin,USGS,Intermap,INCREMENT P,NRCan,Esri Japan,METI,Esri China(Hong Kong),Esri Korea,Esri(Thailand),NGCC,(c) OpenStreetMap contributors,and the GIS User Community we.,L.eirerson• I,. Elizabethton, -r,r'r Site Location *Johnson City % M Catawba - 03050101 1`�. . LIB iglra.pl ?� - 18, ,�l State Boundary • 1 ;321 - hay:; rled Shclr Hill • Mulberry' Elkin • Unicoi • Boone lone-,ViIIE C. Millers Creek. • • Mill w':I . -- Cricket NortliWilke.v.11orn - L°1-•� • Wilke1boro 111 HI /81" •_ ' I„ ltl Palk 'I' A ! N fc N '819m 14 l :I Burnsville Spruce Pine 1293 lorsvilie Lenoir'-Leno - - • ' • ,! 911 N to I 4,,;•Ef 1.048miT ON L_NuIR 4 226 ;,::F,;E }4rAPORi 2 if IL_.----------- 2 - _ - mCYi,;. ••'>t.,yt'•-,ill, rat, Morganton. �_� Ruh. 70� --J��� ��J 11 Marion —,� ---- - Newton• 3untaiit _ 'r.xr- \14 S wannanoa O """J !an: II i .Maide ' '•L^ ,' ooresville ;i :sa J ,. 13aa m Q ' 2. Lincolntorn 16 16 .rneiius 221'1 10 me iuntersville Ruth er fordton. •Spinclale •Cherryville '• •tanley IrlVille Forest City _ -`___Shelb LEELartruhi ::_ z, Mou oily' Ai A.WPaAr - _ -.Tryon a a„oap q rr K' gsMountain `eimon lr'' - .Charlotte - - -.AAt • DM:1, Landrum• - - - - . AIR! - - - - - - - - r:1ir 'I ,Clover - • •Gaffney. • + •inevl Ira 3 , , RESU NIL].YO4:f CO BRYAN T .York APRP Tr .Lyman 5paltanburg. - 'r`1 ' Taylors• Greer Duncan -_ ;EE'd;_-_ ^!Y'y r'�•a9r:�g•,"i- +SrA r„- . - ,',_ -._- •PAo-.1rt RockHiih Wa,rtaw. 0 6 12 24 Miles .......\ �Idirf 1 inch=12 miles N Starker Mitigation Project Figure 4icWATER & LAND` Catawba - 03050101 ServMaepArea SOLUTIONS Catawba County, NC 2 Map Projection:NAD_1983_StatePlane_NC_FIPS_3200_Feet Date:3/15/2021 Service Layer Credits:National Geographic,Esri,Garmin,HERE,UNEP-WCMC,USGS,NASA,ESA,METI,NRCAN,GEBCO,NOAA, increment P Corp. \'c''''''' \,. ,� Q x Q I' Proposed Conservation Easement '' .' r� c �, = S-1 00 Watershed (249 ac) ';'�;, !` �E. S-200 Watershed (169 ac) 1. a a: �� = Parcel Boundary 0 LE ti PEE t as q n : '''''. v r f11JCK no tit:�1R - jV ciOR Jk c 4 filkiloper.),,-Q F' r40A,'rr LArp Op 40 Lip kn f"L \ 0_ tik a sch .., .‘, _______--------I ' C� ad 1 i le,A - _ ;� . KUC��� `� -- .00 r� ` - T i ii TA ra pp `7, 1 lr. '''.-, 1.1:l'yi 7_ G 43 c es' GI v4. f„ c'9RCEnR '"r ! 2 rRA[IFK I�R �,. `��r .., F. y ,O rTF u 7RD 51 NL _ Z j ,iO0 -,' 1`` C nx c- w °yE X�. x 1 I • 0 PD Lorrace -e T • - } .a fit.. :ate -�� X ' i jun<o:r''°k 0 1,000 2,000 4,000 Feet 1 inch=2,000 feet N F Starker Mitigation Project USGS Figure 4WATER & LAN DM Catawba - 03050101 Topographic Quad SOLUTIONS Catawba County, NC _ Newton _ 3 Map Projection:NAD_1983_StatePlane_NC_FIPS_3200_Feet Date:3/17/2021 Service Layer Credits:USGS The National Map National Boundaries Datasel,3DEP Elevation Program,Geographic Names Information System,National Hydrography Dalaset,National Land Cover Database,National Structures Datasel,and National Transportation Dataset', • n., ,. " r r - -rI _ z`:.` emu ,, '* r •. ~ T .�. ; Q Proposed Conservation Easement 1ii I —Existing Stream TmB T 0 Parcel Boundary t -BaB:Banister fine sandy loam,0 to 6 - VMS . _ . percent slopes,rarely flooded ToC2 „�I,f TmD _ToC2 -CfC:Clifford sandy loam,6 to 10 S103 percent slopes i. CsA Tm CfD:Clifford sandy loam, 10 to 15 S102 percent slopes FaE3 FaE3 CsA:Codorus loam,0 to 2 percent - �a ToC2 slopes,frequently flooded k a.c -FaE3:Fairview clay loam, 10 to 25<li 3� °* 5100Vit, percent slopes,severely eroded p Q-° TmB:Tomlin loam,2 to 61 percent slopes TmB TmCB:Tomlin loam,6 to 10 percent slopes 1 I I 11°11°- 7 • -TmD:Tomlin loam, 10 to 15 percent • slopes 114 •1/1 TmE:Tomlin loam, 15 to 25 percent - slopes -ToB2:Tomlin clay loam,2 to 6 percent , okk . slopes,moderately eroded . "1r„ ToC2:Tomlin clay loam,6 to 10 percent slopes,moderately eroded FaE3 WwF:Woolwine-Fairview-Westfield complex,25 to 45 percent slopes,stony ,'` ToB21 1 � • �. TmD . ' '''‘,_ . 4a N ' filo .ra • TmB - Vii© ToC2 ` iee�c a �,'.. FdE2 G r _ CsA " - TmB CfD • WwF TmE TmB r TmD R TmB TmC 4 - 0 400 800 1,600 Feet ,......\ TmD ToC2 L. 11P-7-• -•i,,-;*,-Rieleplifill,x TmC TmE TmB 1 inch=800 feet N Starker Mitigation Project NRCS Soils4 Figure WATER & LAND` Catawba - 03050101 Map SOLUTIONS Catawba County, NC 4 Map Projection:NAD_1983_StatePlane_NC_FIPS_3200_Feet Date:3/17/2021 Data sources-Soils data source:USDA.Imagery data source:NCOneMap r ir- 1 0 Proposedi Conservation Easement --- wiNk Existing Stream n Parcel Boundary S103 LiDAR Elevation Elevation S102 ' ac 1-a 925.1 o ! High : 995.4 ft Low : 841.5 ft 0* S100 1.0 Elevation 4 927.0 ft S2Ou Elevation 4 874.8 ft t 'e-4, Milir . • ° ...:... ImilLow. _ S100 row`i✓ S101 R Elevation 1 ' 885.1 ft Elevation 3200 iiiiit 855.5 ft \ iiii/Pr_r_ es‘ir—\\1111111)kiiiii4,4 alit k\ y‘C.,.'s Elevation 869:7 ft 0 400 800 1,600 .L.....\ 1 Feet 1 inch=800 feet N Starker Mitigation Project Figure 4WATER & LAND- Catawba - 03050101 LiDAR SOLUTIONS _ Catawba County, NC Map 5 Map Projection:NAD_1983_StatePlane_NC_FIPS_3200_Feet Date:3/17/2021 Data sources-Elevation data source:NCFMP t, � � OProposed Conservation Easement Existing Stream �� Ci7i* - � Contour (2ft) • +t ..'. Contour (20 ft) n Parcel Boundary r ■ Zone AE (100 Yr) ��� �S103 V` Zone AE Floodway (100 Yr) 960 t Zone X (500 Yr) - r 1. �t S102 � x ,li -� :, aCO cc 40 - Note: FEMA Map Information w ;1 S100 Q-o .: ,-� � �' ; �- DFIRM Panel 37103 ��\, �� ' :' Map Number 3710375200J �A t ap Effective Date 09/05/2007aa • �- ` �� +,,%���' C �X -'y : _{ �r +� �� ���� � _ - —,..qr l' it t:1. o , . 4.il ;� viiik (� V� 'fir. � . �� ' r, 40 ' 5 100 ^\``J .,*.. , �1 il ......---\, Feet 1 inch-800 feet N \_.�� c Starker Mitigation Project FEMA Floodplain Figure WATER & LAND- Catawba - 03050101 Map SOLUTIONS Catawba County, NC6 — Map Projection:NAD 1983 StatePlane NC FIPS 3200 Feet Date:3/17/2021 Data sources-Stream and wetland data collected during preliminary assessment.Imagery data source:NCOneMap , 4 4, ' rtti Ii Proposed Conservation Easement I�ty iEv '3V 1'�.. t u.. ". .N i' 4 8''°`" '"" % K ', �� - ,fir' `�/ ._ # yam+.-' %if: • • K .IT-fir' r t - • �'-. .. ,.,$ P 1` v • / { fin § + '%, a {r�'�': .$ .•+A`ems•'"`- c! .. eas. w� t 1 J � t�' T 1 i , x a .1i fk' ''" `,. ¢.�'`fit ' 4, Li'3 "! f y r ,,• ..4,. e ,t- fib. �p?�' �, ♦- I 0 400 800 1,600 Feet ? ' a�• u'• 1 inch=800 feet N Starker Mitigation Project 1951 Aerial Figure 4 WATER & LAND- Catawba - 03050101 Source: EDR SOLUTIONS _ Catawba County, NC 7 a Date:3/17/2021 Map Projection:NAD 1983_StatePlane_NC_FIPS_3200_Feet Service Layer Credits: ffi ^m - :.7,--.':�.. Fri , 0 Proposed Conservation Easement do y ,,,,,P'-' ' IRf 1,, • Kati; � ' �" Set+ �:x t ,� : dr. 'n 1...., S- 1 - Y �. X. 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A ''': ''7:41\i• ilk .14 'i); 7 e'4'4:..',,'-er '' • I., ' 'i.., `,`.+1; 1 P.e.4•'W.1 .4::j'A: AK'tl`r...: ,:;141.10t-.*411;:e.,4111. . ••••••-\ - t' SP4TV4:14rri' II 0 400 800 1,600 Feet jite 4 " - t''' L .,)1!•, g , RA' One(V, 1 inch-800 feet N Starker Mitigation Project 2012 Aerial Figure Catawba - 03050101 WATER & LAND- Source: EDR Catawba County, NC SOLUTIONS _ _ 7d Map Projection:NAD 1983 StatePlane NC FIPS 3200 Feet Date:3/17/2021 Service Layer Credits ` -: �► * ig r ` ` u ,/ 0 Proposed Conservation Easement '� • R y- 1 µ" 'rl ,� S 200 Watershed (169 ac) tk F �; ;: +. � .:. 0 S-100 Watershed (249 ac) r '�..r r— _ _.� r , - /' —Existing Stream .? • .a '�t O Stream Gauge r ) � Existing Condition Cross-Section 4 'MC 1M• - +•,�''A .' Oj G Existing Culvert °t' `e• Existing Wetland S103 -- ,_ Contour(2ft) \ -"'' °' -i , • P�' —Contour(20ft) V, ' ' . 960 0 Parcel Boundary a 3'Y''' 710...2 tom 'it ; 940 ,,,- , •WC m . ` -,,ice ,� `� F lb.,. rSG2• ' S2Ul. \ ., i„,,,,,, . _...--. is, ,B_ARO ,. `-- -: 0 '1- - I. 4, v L ,..,...,.,,,r_i_ 9zo, 7^� >4 . ,.•_, .......---------------- -K N......„, ;k <. ►- G ^� 4- 1" `-sue / -; ' - \ ,,, r. L3 - ,__............5 0 400 800 1,600 Feet .......\ fi, r + ti 1 inch=800 feet N Starker Mitigation Project Figure 4WATER & LAND.. Upper Catawba - 03050101 Existing SOLUTIONS Catawba County, NC Conditions Map 8 Map Projection:NAD 1983 StatePlane NC FIPS_3200_Feet Date:3/17/2021 Data sources-Stream and wetland data collected during preliminary assessment.Imagery data source:NCOneMap } ir? k •- -.4'ti..P:tk''�'�.iV., ."'f. N. .rl til 0 Proposed Conservation Easement s.s . 0 —Stream Restoration i < w• •r4.� i = Existing Wetland (No Credit) ,,z • n Parcel Boundary 111 S103f. ,‘: '‘ u a ilk S102 Al'HiC r' ' . (e0`' Improved Crossing S100 ` A. * ' .'. *. ,` i�" ✓ �,.,,'+ R j *4`ifIN Future Crossing ti- k. tom` ' 4." ri,, ,~ 1µ:me j Remove Crossing . t - . - ~ 'F �.� 40 • Improved Crossing i../ ��� 160), 'mact. • Dr' Y ! , r • G ,4 Existing Crossing r Name Stream(ft) Credits t Gee S100 5788.35 5788.35 \4 ,. S200 4724.99 4724.99 - - . . . . S103 48.2 48.2 '' i S102 113.83 113.83 " S101 68.38 68.38 Existing Crossing , 0 400 800 1,600 Feet \1 Total 10,743.75 10,743.75 1 inch=800 feet N Starker Mitigation Project Figure Upper Catawba - 03050101 Proposed 4WATER & LAND" Mitigation Map SOLUTIONS _ Catawba County, NC Map Projection:NAD_1983_StatePlane_NC_FIPS_3200_Feet Date:3/17/2021 �+ Data sources-Stream and wetland data collected during preliminary assessment.Imagery data source:NCOneMap .y _ __ 5-1 03 ci " `101/ " 02 104.w.�'-, r `t S102 cta -a v. S100 o A)011111ki \ l � \ ':'. E\ . : _., - -• , , ei, \ S200 7 ,'.,,_„{ 4.,9k7 ,,,-‘ S-10" z l iii S101 _ Yam- - '1/- A Proposed Conservation Easement y itF• —Stream Restoration of j n Parcel Boundary 1 • Flow Gauge • Vegetation Plot Cross-Section --- Pool `' -. ` 0 400 800 1,600 —-— Riffle Feet `}y 1 inch=800 feet N . I `t Starker Mitigation Project Figure 4WATER & LAND- Catawba - 03050101 Proposed SOLUTIONS Catawba County, NC Monitoring Map 0 Map Projection:NAD-1983-StatePlane-NC-FIPS-3200-Feet Date:3/18/2021 Data sources-Stream and wetland data collected during preliminary assessment.Imagery data source:NCOneMap Appendix A- Design Plan Sheets WLS Catawba 01 Umbrella Mitigation Bank Starker Mitigation Site ' ` STATE PROJECT REFERENCE NO. SHEE I I U AL H NO SHFFT' ® , ° 4 �le I\ STARKER MITIGATION PROJECT NC 1 36 1 4�6� (00) PROJECT LENGTH 97 /' ir � �� EXISTING STREAM PROPOSED PROJECT REACH LENGTH(L� CREDITABLE LENGTH 1.1.1--) . Rd l L CAT.AW_____ 447 BA GOUleiT'Y oFrl-40 NORTH ABOVE z7 69.54 17CCROSSINGP�pJECT sroz o ssss LOCATION �_� .1` S103 81 56.44 40 ����� Sr 06 NORTH 341� _�O OF I-40.BELOW2.490 2.117.61 • '1 , LOCATION: CATAWBA RIVER BASIN (HUC 03050101 ) CROSSING�/' �' Sr0OSOUTHX i i OMii TYPE OF WORK: STREAM MITIGATION GFI.4° 829 °7 nn 70riar Sr01 96 79.57 �.L.� _ __ ' USAGE ACTION ID NUMBER: SAW-2020-01 540 S200 40HOF7S5 704.65 // IIII ; , S200 SOUTH OF IICROSSOVE550 491.16 Z . CROSSINGS200 SOUTH OF OVICINI MAP CR.SSLow2,8973,050.53 CROSSING TOTALS 9,965 9,656.73 Ts 4FFT1� INDEX OF SHEETS tFT11--- TITLE SHEETFT61A- - STREAM CONVENTIONAL SYMBOLS �'HEET SHEET 8 ��..�� GENERAL NOTES HEET9 SH SHEET 15 T 1 ' CONSTRUCTION SEQUENCE �- 6Mr�� EET 1 p S T 1 A HEFT 16 Vi-B- - CONSTRUCTION SEQUENCE(CONT.) —��� �.�_�i SHEET 1 �� \<)(9d 2••• TYPICAL SECTIONS *. ' BEGIN CONSTRUCTIONS 100 ����� H2A-2L-•- DETAILSSTA. 10+00.00 SHEET 3-3A... TABLES 12 2 4-27... PLAN/PROFILE 0 28-31 VEGETATION PLAN END CONSTRUCTION S100 CO STA.67+90.60 B 90 X70 0 i D �1 C i S HFFT1> S �. FT S Ct #4014,6 ,-,9 BEGIN CONSTRUCTION S200 Sy STA. 10+00.00 FFT StiF')- �� 2 F- SHEET�23 w �-'7 � T25 SHEET26 10111111 O,q SHEET 22 SHEET 24 O HEND CONSTRUCTION S200 U STA.57+27.15 J T 7 GRAPHIC SCALES REVISIONS PREPARED FOR: PREPARED IN THE OFFICE OF: PROJECT ENGINEER W NO. DESCRIPTION ENGR. APPROV. DATE ECOSYSTEM 1 1 50 SE MAYNARD RD PLANNING& SUITE 1 40 20 1 0 0 20 4.0 - 1 70%MITIGATION PLAN EMB EP 03/18/21 CARY,NC EPR RESTORATION LICENSE#P-51 1 82 ') 4 WATER & LA N D`T 0 PLANS - - SOLUTIONS PROGRESS DRAWING 20 1 0 0 20 40 FOR REVIEW PURPOSES ONLY � 'i"� � DO NOT USE FOR CONSTRUCTION 7721 SIX FORKS RD#1 30, PROFILE(HORIZONTAL) RALEIGH,NC 2761 5 TBD ERIN BENNETT,PE LETTING DATE: PROJECT ENGINEER I . I i i - - CATHERINE MANNER PROJECT MANAGER P.E. PROFILE(VERTICAL) SIGNATURE: STREAM CONVENTIONAL SYMBOLS CONSTRUCTION SEQUENCE (PROJE3CT)(SHEETNO) 'j GRADE CONTROL J-HOOK VANE —SF— SAFETY FENCE PHASE 1 —ENTIRE PROJECT �b MOBILIZATION AND GENERAL EROSION CONTROL ; -TP— TAPE FENCESYMBOLOGY / �. 1.LIMITS OF DISTURBANCE IS TO BE DETERMINED. NOTES �- GRADE CONTROL J-HOOK VANE — I I I— SILT FENCE 2.IDENTIFY AND LOCATE STAGING AREAS,STOCKPILE AREAS,CONSTRUCTION ENTRANCES, GJ STREAM CROSSINGS;LIMITS OF SILT FENCING,LIMITS OF TREE PROTECTION FENCING,AND ROCK CROSS VANE cV m CONSERVATION EASEMENT CONSTRUCTION ACCESS AND HAUL ROADS AS SHOWN ON PLANS. cAo -- 20—- EXISTING MAJOR CONTOUR 3.INSTALL CONSTRUCTION ENTRANCE. is ROCK CROSS VANE cv EXISTING MINOR CONTOUR 4.INSTALL STREAM CROSSINGS. .• s. 5. INSTALL SILT FENCING TO THE LIMITS SHOWN ON THE PLANS AND AT ANY OTHER ------- LIMITS OF DISTURBANCE LOCATIONS AS DIRECTED BY THE ENGINEER. SILT FENCING WILL BE INSTALLED ALONG THE ® LOG VANE aDOWNSLOPE/STREAM SIDE LIMITS OF ALL STAGING AND STOCKPILE AREAS. BANKFULL BENCH(GRADE) 6.STOCKPILE MATERIALS IN DESIGNATED AREAS. LOG STEP 0 — — • PROPERTY LINE I kJ ROCK STEP 07. INSTALL TREE PROTECTION FENCING AS SHOWN ON THE PLANS AND AT ALL OTHER T T T FEMA FLOODWAY LOCATIONS AS DIRECTED BY THE ENGINEER. FLAG ALL VEGETATION TO BE TRANSPLANTED. CC=XLC3 ROCK STEP Rs ACCESS ROAD 8. UPON THE COMPLETION OF PHASE 1, THE CONTRACTOR SHALL SCHEDULE AN INSPECTION OF THE PHASE BY THE ENGINEER. THE CONTRACTOR MUST HAVE WRITTEN CONSTRUCTED CASCADE 0 10 i 00 APPROVAL FROM THE ENGINEER THAT THE PHASE HAS BEEN COMPLETED TO SATISFACTORY STREAM THALWEG STANDARDS BEFORE BEGINNING ANOTHER PHASE. .* CONSTRUCTED RIFFLE 0 9.EMERGENCY CONTACT FOR EROSION AND SEDIMENTATION CONTROL IS: o.: . STREAM TOP OF BANKS 11 a 1—J KAYNE VAN STELL 8 \�` I LOG ROLLER 01--I TEMPORARY STREAM CROSSING WATER&LAND SOLUTIONS ® TRANSPLANTED VEGETATION 919.61 4.51 1 1 GRADE CONTROL WOODY RIFFLE 0 n TREE REMOVAL NOTE: EACH PHASE WILL BE COMPLETED PRIOR TO BEGINNING WORK ON ANOTHER PHASE UNLESS THERE ARE MULTIPLE CREW WORKING ON DIFFERENT SECTIONS OR PHASES OF TOEWOOD O '0‘ TREE PROTECTION THE PROJECT. THE CONTRACTOR CAN DISCUSS THE ORDER OF THE PHASES FOR RESTORATION ON S 1 00 ABOVE I-40,S 1 00 BELOW I-40,S200 ABOVE I-40 AND S200 I.� ����� GEOLIFT• BELOW 1-40. UPON THE COMPLETION OF EACH PHASE, THE CONTRACTOR SHALL ••�••I SCHEDULE AN INSPECTION OF THE PHASE BY THE ENGINEER. THE CONTRACTOR MUST HAVE WRITTEN APPROVAL FROM THE ENGINEER THAT THE PHASE HAS BEEN COMPLETED CHANNEL FILL TO SATISFACTORY STANDARDS BEFORE BEGINNING ANOTHER PHASE. DITCH PLUG ALL EXCAVATED SOIL MATERIALS NOT UTILIZED WILL BE STOCKPILED AND MAINTAINED GRADE BANK 2:1 OR FLATTER ACCORDING TO THE PROJECT SPECIFICATIONS.WHILE ONSITE,UNUSED MATERIAL MUST BE LOCATED IN DESIGNATED STOCKPILE LOCATIONS AND MUST BE PROVIDED TEMPORARY OR r R° EXISTING WETLANDS PERMANENT STABILIZATION WITHIN 14 DAYS OF PLACEMENT. AFTER THE COMPLETION OF CONSTRUCTION, ALL UNUSED SOIL MATERIALS SHALL BE SPREAD ONSITE IN DESIGNATED AREAS WITHIN THE EASEMENT LABELED DISPOSAL AREA. AT THE DIRECTION OF THE ENGINEER AND THE SAID PROPERTY OWNER(S). SPREAD SOIL MUST BE STABILIZED USING SEEDING PER THE PROJECT SPECIFICATIONS WITHIN 14 DAYS OF PLACEMENT. IF ANY EXCAVATED SOIL MATERIALS NEED TO BE,ARE SPECIFIED TO,AND ACTUALLY ARE DISPOSED OF OFF-SITE BY THE CONTRACTOR, THE CONTRACTOR IS RESPONSIBLE FOR DISPOSAL OF SUCH SOIL MATERIALS IN A PERMITTED AREA,AS WELL AS FOR PROVIDING AND IMPLEMENTING AN EROSION AND SEDIMENTATION CONTROL PLAN AND PERMIT,OR ANY In OTHER REQUIRED PERMIT(S),FOR THE LOCATION(S)OFF SITE WHERE SUCH MATERIALS ARE o **NOTE:ALL ITEMS ABOVE MAY NOT BE USED ON THIS PROJECT DISPOSED. x m W' GENERAL NOTES K Q g 1. THE CONTRACTOR IS REQUIRED TO INSTALL INSTREAM STRUCTURES USING z A TRACK HOE WITH A HYDRAULIC THUMB OF SUFFICIENT SIZE TO PLACE a BOULDERS,AND STRUCTURES. O 2. WORK IS BEING PERFORMED AS AN ENVIRONMENTAL RESTORATION PLAN. °¢ THE CONTRACTOR SHOULD MAKE ALL REASONABLE EFFORTS TO REDUCE o SEDIMENT LOSS AND MINIMIZE DISTURBANCE OF THE SITE WHILE PERFORMING THE CONSTRUCTION WORK. 0 L 3. CONSTRUCTION IS SCHEDULED TO BEGIN FALL 2021. Y 4. ROCK VANES CAN BE SUBSTITUTED BY LOG VANES BASED ON THE AVAILABILITY OF LOGS AND PER THE ENGINEERS APPROVAL. i REVISIONS PREPARED FOR: 1 r 1 t PREPARED IN THE OFFICE OF: 1( PROJECT ENGINEER N m NO. DESCRIPTION ENGR. APPROV DATE 0 1 70%MITIGATION PLAN EMB EP 03/18/21 WATER & LAN D`` ECOSYSTEM STARKER MITIGATION PROJECT PLANNING & PROGRESS DRAWING N 5 a U T l 5 FOR REVIEW PURPOSES ONLY oW CATAWBACOUNTY, NC EPR RESTORATION DO NOT USE FOR CONSTRUCTION Noe 1150 SE MAYNARD RD,SUITE 140 co,,c 7721 SIX FORKS RD#130, CARY,NC 27511 N.!. _ J` RALEIGH,NC 27615 J` LICENSE#P-1 182 J CONSTRUCTION SEQUENCE (PROJECT)(SHEjTTNO, PHASES 2-5 PHASE 6—ENTIRE PROJECT NO) CHANNEL RESTORATION DEMOBILIZATION AND PLANTING CONSTRUCTION 1.PERFORM CONSTRUCTION STAKING. SEQUENCE 1. COMPLETE REMAINING MINOR GRADING AND SITE PLANTING PREPARATION WORK, (CONT.) 2.BEGIN PUMP-AROUND OPERATION AT UPSTREAM END OF SPECIFIED REACH. INSTALL AN INCLUDING RIPPING AND/OR DISKING,AS SPECIFIED IN THE PROJECT SPECIFICATIONS. IMPERVIOUS DIKE AT UPSTREAM END OF THE PROPOSED LIMITS OF THE AREA OF ACTIVE CONSTRUCTION IN ORDER TO ISOLATE ALL WORK FROM STREAM FLOW. PUMP-AROUND 2.ALL REMAINING DISTURBED AREAS,INCLUDING AREAS THAT HAVE BEEN RIPPED AND/OR OPERATION SHOULD BE CONDUCTED IN ACCORDANCE WITH THE TYPICAL PUMP-AROUND DISKED AFTER TEMPORARY AND/OR PERMANENT SEEDING ACTIVITIES, ARE TO BE OPERATION DETAIL AS SHOWN ON THE PLANS. STREAM FLOW WILL BE PUMPED INTO THE AMENDED, SEEDED, MATTED AND/OR MULCHED ACCORDING TO THE PROJECT FIRST DOWNSTREAM POOL. TURBID WATER IN THE WORK AREA MUST BE PUMPED WITH A SPECIFICATIONS AND AT A MINIMUM WITHIN 1 4 DAYS OF DISTURBANCE. SEPARATE PUMP INTO A SPECIAL STILLING BASIN TO BE DISCHARGED DOWNSTREAM OF THE 3. COMPLETE ALL REMAINING PROPOSED PERMANENT VEGETATION PLANTING PER THE IMPERVIOUS DIKES IN ACCORDANCE WITH THE TYPICAL PUMP-AROUND OPERATION DETAIL PLANS AND PROJECT SPECIFICATIONS. AS SHOWN ON THE PLANS. 3. PERFORM REQUIRED REMOVAL AND TREATMENT OF EXOTIC VEGETATION WITHIN AND 4. REMOVE AND DISPOSE OF ALL TRASH AND DEBRIS FROM THE SITE ACCORDING TO ADJACENT TO THE SPECIFIED REACH LIMITS. ALL REQUIRED REMOVAL AND TREATMENT LOCAL,STATE AND FEDERAL REGULATIONS. (INITIAL TREATMENT) OF EXOTIC VEGETATION SHOULD BE COMPLETED PRIOR TO PROCEEDING WITH THE REMAINING ACTIVITIES IN THIS PHASE. 5. AFTER ALL CONSTRUCTION REQUIRING HEAVY EQUIPMENT IS COMPLETED, SITE IS STABILIZED AND LAND QUALITY CLOSES OUT, REMOVE SILT FENCE AND RESTORE 4. PERFORM REQUIRED CLEARING AND GRUBBING, INCLUDING SPECIFIED REMOVAL OF CONSTRUCTION ACCESS ROADS,STAGING AREAS,AND STOCKPILE AREAS. IMMEDIATELY DEAD MATURE TREES AND/OR DEAD TREES. SEGREGATE AND STOCKPILE TOPSOIL AND REGRADE, REPLACE TOPSOIL, AND SEED, AMEND, AND MULCH AS SPECIFIED IN THE OTHER SOIL MATERIAL IN ACCORDANCE WITH THE PROJECT SPECIFICATIONS. PROJECT SPECIFICATIONS.REMOVE ALL TREE PROTECTION FENCING. 5.BEGINNING AT THE UPSTREAM END OF THE AREA OF ACTIVE CONSTRUCTION,PROCEED IN THE DOWNSTREAM DIRECTION WITH FLOODPLAIN,CHANNEL AND IN-STREAM STRUCTURE CONSTRUCTION AS SPECIFIED ON THE PLANS. 6.FILL IN THE EXISTING OPEN CHANNEL. 7. PERFORM ALL TOPSOIL REPLACEMENT, VEGETATION TRANSPLANTING, SEEDING (TEMPORARY AND PERMANENT),SOIL AMENDMENT,MULCHING,AND INSTALLATION OF ALL COIR FIBER MATTING AS SPECIFIED ON THE PLANS AND THE PROJECT SPECIFICATIONS. ASSOCIATED DISTURBED STREAM BANKS WILL HAVE TEMPORARY AND PERMANENT SEED, SOIL AMENDMENTS, MULCH, AND COIR FIBER MATTING APPLIED TO THEM AS WORK PROGRESSES AND BY THE END OF EACH DAY. COIR FIBER MATTING WILL BE INSTALLED ON TOP OF THE SEEDED, AMENDED, AND MULCHED STREAM BANKS ACCORDING TO THE PROJECT SPECIFICATIONS. 8.REMOVE AND DISPOSE OF ALL UNUSED VEGETATION AND EXCAVATED MATERIALS. 9. ALL REMAINING DISTURBED AREAS ARE TO BE AMENDED, SEEDED, MATTED AND/OR MULCHED ACCORDING TO THE PROJECT SPECIFICATIONS AND AT A MINIMUM WITHIN 1 4 DAYS OF DISTURBANCE. 1 O. REMOVE UPSTREAM DIKE TO CONNECT THE EXISTING STREAM (IF APPLICABLE)WITH THE CONSTRUCTED STREAM. 1 1. UPON THE COMPLETION OF A PHASE, THE CONTRACTOR SHALL SCHEDULE AN INSPECTION OF THE PHASE BY THE ENGINEER. THE CONTRACTOR MUST HAVE WRITTEN APPROVAL FROM THE ENGINEER THAT THE PHASE HAS BEEN COMPLETED TO SATISFACTORY STANDARDS BEFORE BEGINNING ANOTHER PHASE. z a ro x In a w In Z a i 0 U w S w REVISIONS PREPARED FOR: 1 1 PREPARED IN THE OFFICE OF: 1 of PROJECT ENGINEER m NO. DESCRIPTION ENGR. APPROV DATE 0 70%MITIGATION PLAN EMB EP 03/18/21 WATER & LAN D`` ECOSYSTEM ° STARKER MITIGATION PROJECT PLANNING & PROGRESS DRAWING N 5 a U T l S FOR REVIEW PURPOSES ONLY Ow CATAWBACOUNTY, NC EPR RESTORATION DO NOT USE FOR CONSTRUCTION NO2 1150 SE MAYNARD RD,SUITE 140 roa c 7721 SIX FORKS RD#130, CARY,NC 27511 (nct J` RALEIGH,NC 27615 J` LICENSE#P-1 182 TYPICAL SECTIONS (PROJECT# SHEET NO. 136 ,C 2 TYPICAL "B"AND"BC"TYPE CHANNELS SECTIONS "C","CB",AND"E"TYPE CHANNELS \/ r, r/� VARIES . WBKF VARIES ������ r/ r�\\ \��\.�\ 4, 1 N\ //XAXi a//�. i\��\�������\r\ 4. WBKF VARIES ,� /��X/%��%Y///%/ r � 1 � ABKF O + 3` ABKF p 6 S1 SI f -• W1 W2� L WI _ W2 f p 0 TYPICAL RIFFLE CROSS SECTION TYPICAL RIFFLE CROSS SECTION \ \ \ <\ /iy/iy/iy/�y/i! \��/�/�/�/ 'ARIES VARIES ��\�\�\�\�\% i. WPOOL ,� A� \� � �K K\A q., WPOOL ►, p, 1 7�/.�/��/��/��/�. r D3 + S3 APOOL APOOL O T D4 S. c�6 S3 . } W3 W4 W5 W6 F A W3 ► W4 ►. TYPICAL POOL RIGHT CROSS SECTION TYPICAL POOL CROSS SECTION C STREAM TYPE REPRESENTATIVE CROSS SECTION DIMENSIONS RIFFLES POOLS Stream Sheet Range Station Range ABKF WBKF W1 W2 D1 D2 S1 52 APool WPool W3 W4 W5 W6 D3 D4 53 S4 56 S100 N OF 1-40, ABOVE CROSSING 5-6 15+90.41 -21+90 3.0 6.5 1.3 1.9 0.05 0.65 28:1 3:1 5.7 9.1 2.7 2.7 1 1.6 2.1 0.53 0.53 5:1 5:1 2:1 S100 N OF 1-40, BELOW CROSSING 6-10 21+90-39+78.11 7.0 9.9 2.0 3.0 0.07 0.99 28:1 3:1 13.3 13.9 4.1 4.1 2.5 3.3 0.81 0.81 5:1 5:1 2:1 S100 S OF 1-40 12-15 48+11.78-64+91.96 8.0 10.6 2.1 3.2 0.08 1.06 - 28:1 3:1 15.2 14.8 4.3 4.3 2.6 3.5 0.87 0.87 5:1 5:1 2:1 S200 S OF 1-40, ABOVE CROSSING 19 20+60.46-24+03.22 4.0 7.5 1.5 2.2 0.05 0.75 28:1 3:1 7.6 10.5 3.1 3.1 1.9 2.5 0.61 0.61 5:1 5:1 2:1 S200 S OF 1-40, BELOW CROSSING 20-25 25+93.7-53+68.35 6.0 9.2 1.8 2.7 0.07 0.92 28:1 3:1 11.4 12.8 3.8 3.8 2.3 3.0 0.75 0.75 5:1 5:1 2:1 B,Bc,and STEP-POOL STREAM TYPE REPRESENTATIVE CROSS SECTION DIMENSIONS RIFFLES POOLS Stream Sheet Range Station Range ABKF WBKF W1 W2 D1 D2 Si 52 APool WPooI W3 W4 D4 S3 z o S100 N OF 1-40,ABOVE CROSSING 4 10+00.00-10+80.00 3.0 6.5 1.3 1.9 0.05 0.65 28:1 3:1 14.5 9.4 1.2 4.1 2.73 1.5:1 N S100 N OF 1-40,ABOVE CROSSING 4 10+80.00-12+91.11 3.0 6.5 1.3 1.9 0.05 0.65 28:1 3:1 13.7 9.4 2.4 3.5 2.32 1.5:1 0, S100 N OF 1-40,ABOVE CROSSING 4-5 12+91.11 -15+90.41 3.0 6.5 1.3 1.9 0.05 0.65 28:1 3:1 7.4 9.7 2.5 3.6 1.20 3:1 m a S100 N OF 1-40, BELOW CROSSING 10-11 39+78.11 -44+48.73 7.0 9.9 2.0 3.0 0.07 0.99 28:1 3:1 17.2 14.8 3.8 5.5 1.84 3:1 Y S100 S OF 1-40 15-16 64+91.96-67+90.60 8.0 10.6 2.1 3.2 0.08 1.06 28:1 3:1 19.6 15.9 4.1 5.9 1.97 3:1 S200 N OF 1-40 17 10+00-10+65.17 4.0 7.5 1.5 2.2 0.05 0.75 28:1 3:1 16.7 10.5 3.1 3.7 2.45 1.5:1 m S200 N OF 1-40 17-18 10+65.17-17+61.03 4.0 7.5 1.5 2.2 0.05 0.75 28:1 3:1 9.8 11.2 2.9 4.2 1.39 3:1 S200 S OF 1-40,ABOVE THE CROSSING 19-20 24+03.22-25+93.7 4.0 7.5 1.5 2.2 0.05 0.75 28:1 3:1 9.8 11.2 2.9 4.2 1.39 3:1 o S200 S OF 1-40, BELOW CROSSING 25-26 53+68.35-57+27.15 6.0 9.2 1.8 2.7 0.07 0.92 28:1 3:1 14.7 13.7 3.5 5.1 1.70 _ 3:1 0a S101 15 10+00-10+49.21 0.8 3.3 0.7 1.0 0.02 0.33 28:1 3:1 3.5 5.0 2.0 1.5 1.00 1.5:1 o S 101 15 10+49.21 -10+79.57 0.8 3.3 0.7 1.0 0.02 0.33 28:1 3:1 2.0 5.0 1.3 1.9 0.62 3:1 / S102 5 10+00-10+11.89 0.4 2.4 0.5 0.7 0.02 0.24 28:1 3:1 2.0 3.5 0.6 1.5 1.00 1.5:1 L S102 5 10+11.89-11+24.4 0.4 2.4 0.5 0.7 0.02 0.24 28:1 3:1 1.0 3.5 0.9 1.3 0.44 3:1 2 Y S103 4 10+00-10+56.44 0.4 2.4 0.5 0.7 0.02 0.24 28:1 3:1 2.0 3.5 0.6 1.5 1.00 1.5:1 a F m i REVISIONS PREPARED FOR: 1 r PREPARED IN THE OFFICE OF: PROJECT ENGINEER N. m NO. DESCRIPTION ENGR. APPROV DATE 6 1 70%MITIGATION PLAN EMB EP 03/18/21 W TER L D'v ECOSYSTEM STARKER MITIGATION PROJECTre PLANNING & PROGRESS DRAWING O L U T I O CATAWBA COUNTY, NC DOONOT USE FOR CONSTRUCTION N PURPOSES ONLY U EPR RESTORATION NO2 I 150 SE MAYNARD RD,SUITE 140 -0-c 7721 SIX FORKS RD#130, CARY,NC 27511 N.!. J` RALEIGH,NC 27615 J J` LICENSE#P-1 182 J (PROJECT)(SHEET NO. CONSTRUCTED RIFFLE CR 136 2A DETAILS BOTTOM WIDTH HEAD OF RIFFLE FLOW TOP OF BANK OI 1 RIFFLE RIFFLE THICKNESS I`' A - TOE OF BANK o ^:Wv �v z .7 1 ~ �)�V o o POOL b��o�e.ia�Q'}o STONE BACKFILL �� i0 `d B } \'' ° �°i PROFILEA-A' kr \ o C a • 8634 BOTTOM 11.a�• •,• WIDTH _ COIR FIBER COIR FIBER MATTING tViS SI \ MATTING (SEE DETAIL) ;,• `�O \C STONE BACKFILL (SEE DETAIL) 11. TOP OF BANK CONSTRUCTED RIFFLE SPECIFICATIONS oo TOE OF BANK MATERIALS: SPECIFICATIONS: 6,0 I' TYPE: HARVESTED ON-SITE OR COMPARABLE °Clo() oll c�, STONE BACKFILL SIZE: CLASS A STONE,57 STONE AND ON-SITE ALLUVIUM(34/33/33 MIX) 2 COIR FIBER MATTING SHOULD BE RIFFLE THICKNESS TRENCHED THROUGH STONE BACKFILL THICKNESS: 16 INCHES MIN. A' STONE BACKFILL COIR FIBER MATTING SEE DETAIL SECTION B-B' PLAN VIEW NOTES FOR CONSTRUCTFD RIFFI F STRI ICTI IRFS; 1.GRADE STREAMBED AND BANKS TO PROPOSED DIMENSIONS PER TYPICAL CROSS-SECTION AND PROFILE. ELEVATION POINT(SEE STRUCTURE TABLES) 2.EXCAVATE TRENCH BELOW PROPOSED STREAMBED ELEVATION 0- EQUAL TO OR GREATER THAN RIFFLE THICKNESS. 3.INSTALL COIR FIBER MATTING ALONG STREAMBANKS ENSURING MATTING IS SUFFICIENTLY TRENCHED ALONG TOE OF BANK. 4.FILL TRENCH WITH STONE BACKFILL TO FINAL DESIGN STREAM GRADE. CONSTRUCTED CASCADE 0 BOTTOM WIDTH. TOP OF BANK TOE 5 A 4 HEAD OF RIFFLE FLOW Bt M0O 'a0o�1 B ` Ei,� �� \ RIFFLE THICKNESS\••: I �o Vo�o8C30 o _ 0 09 i• .06.. LARGE ROCK LARGE ROCK eo POOL o •• 1.\1 Z !.°o�!0-°off 1.. CASCADE BED MATERIAL O CONSTRUCTED CASCADE SPECIFICATIONS \•....\ .14 y1 p y iy- •,i �i� CASCADE BED MATERIAL N MATERIALS: SPECIFICATIONS: _ OA. i,:�: PROFILE A A' OI TYPE: GRANITE OR COMPARABLE o11•/0•o\�4• , N SIZE: CLASS AI i o'er'• LARGE ROCKS \•_O•\\' 1 d THICKNESS: 24 INCHES MIN. ' • - �• f ¢ r! i'0. � - COIR FIBER '.1i$!... "MiV MATTING a TYPE: GRANITE OR COMPARABLE o (SEE DETAIL) CASCADE BED SIZE: WELL GRADED MIX OF TXDOT/AASHTO MIX 1 db0••;,Ooi MATERIAL AND MIX 2 TOE TOP OF BANK / THICKNESS: 16 INCHES MIN. A' Z d COIR FIBER MATTING SEE DETAIL ''' ' o PLAN VIEW o b� COIR FIBER MATTING SHALL BE Q NOTES FOR CONSTRUCTED CASCADE STRI ICTI IRE. HELD IN PLACE BY RIFFLE MATERIAL U FI RIFFLE THICKNESS /• 1.GRADE STREAMBED AND BANKS TO PROPOSED DIMENSIONS PER S TYPICAL CROSS-SECTION AND PROFILE. In 2.EXCAVATE TRENCH BELOW PROPOSED STREAMBED ELEVATION SECTION B-B' L. EQUAL TO OR GREATER THAN RIFFLE THICKNESS. • 3.PLACE COIR FIBER MATTING ON BANKS AND LAY DOWN INTO TRENCH IJ EXCAVATED FOR RIFFLE BED MATERIAL. it 4.FILL TRENCH WITH STONE TO FINAL DESIGN STREAM GRADE. F (n i REVISIONS PREPARED FOR: 1 r 1 f. PREPARED IN THE OFFICE OF: PROJECT ENGINEER m NO. DESCRIPTION ENGR. APPROV DATE 0 1 70%MITIGATION PLAN EMB EP 03/18/2i WATER L Ci ECOSYSTEM STARKER MITIGATION PROJECT PLANNING & PROGRESS DRAWING L T IPURPOSES ONLY CATAWBA COUNTY, NC DO NOT USFORE FOR CONSTRUCTION NuOw EPR RESTORATION Noe 1150 SE MAYNARD RD,SUITE 140 roa c 7721 SIX FORKS RD#130, CARY,NC 2751 1 N,. _ J` RALEIGH,NC 27615 J` LICENSE#P-1 182 J (PROJECT)(SHEET NO. CV ROCK CROSS VANE 136 )C 2B ) DETAILS INVERT f B TRIM FILTER FABRIC EVEN WITH FRONT EDGE OF HEADER ROCK cb-ELEVATION POINT(SEE STRUCTURE TABLES) J J HEADER ROCK u A DHEADER ROCK Y Y BANK STONE BACKFILL ROCK CROSS VANE SPECIFICATIONS m 3 �ill 5 m FLOW�� 3.5 4%-7% 7 STONE BACKFILL y MATERIALS: SPECIFICATIONS: RM ANGLE. ,. 4 ,. �'- - - . - - TYPE: GRANITE OR COMPARABLE 20'-30' - BOULDER SIZE: 3 x 2 x 2 FT jI FOOTER ROCK NUMBER OF HEADER ROWS: 1 ` FILTER FABRIC FOOTER ROCK NUMBER OF FOOTER ROWS: 1 � FILTER FABRIC eri TYPE: TYPE 2 NON-WOVENIt- - PROFILE VIEW A-A' SECTION C-C' FILTER FABRIC WIDTH UPSTREAM: 6 FT MINIMUM c SCOUR I /Q VANE ARM INVERT AND POOL ' POOL ' 6 CI ASS A,CLASS B AND ON-SITE ALLUVIUM •�P� C'`� / r,, r7 STONE BACKFILL (34/33/33 MIX) 1 galt, �, �1 tierN HEADER NOTES FOR CROSS VANE STRI1CTl1RF.�; NO GAPS ROCK ' INVERT 1.STRUCTURE DIMENSIONS AND MEASUREMENTS ARE SHOWN ON THE BETWEEN STRUCTURE TABLES. A' ROCKS FLOW--_.... 2.DIG A TRENCH BELOW THE STREAM BED FOR FOOTER AND HEADER FOOTER -. -- ROCKS,FILTER FABRIC AND STONE BACKFILL. ROCK SILL RIFFLE 3.PLACE FOOTER ROCKS AND THEN HEADER ROCKS TO ACHIEVE STONE BACKFILL DESIGN DIMENSIONS AND ELEVATIONS. —B' SCOUR 4.USE HAND PLACED STONE TO FILL GAPS AND VOIDS ON UPSTREAM POOL SIDE OF THE HEADER AND FOOTER ROCKS. Ripple 5.PLACE FILTER FABRIC BEGINNING AT THE TOP OF THE HEADER ROCKS PLAN VIEW • • V\� /\/ AND EXTENDING DOWN TO THE DEPTH OF THE FOOTER ROCKS,THEN - `! - - - - I. RUIY G/ // // // /. OUTWARD THE DISTANCE SPECIFIED ABOVE(FILTER FABRIC WIDTH UPSTREAM). \/ //\//\j/ j/j/,j/,, \////\//\ /\ / //\jj/\/\j/\ 6.INSTALL AS SHOWN.STONE BACKFILL AND ONSITE ALLUVIUM OVER FILTER FABRIC FILTER FABRIC /\\/\�/� / /\\/\\/\ / 7.AFTER ALL STONE BACKFILL HAS BEEN PLACED,FILL IN THE UPSTREAM SIDE OF THE STRUCTURE WITH ONSITE ALLUVIUM TO THE ELEVATION OF THE TOP OF THE HEADER ROCK. PROFILE VIEW B-B' INVERT GRADE CONTROL WOODY RIFFLE WR HEADER LOG PRIMARY LOGS A � BACKFILL WITH STR A OJ ON-SITE ALLUVIUM �Meep LL BEGIN INVERT - FLO HEADER LOG B B, 0; ,'" Ie."� H 01-0.3 O FILTER FABRIC O XY .' 1� TRegM eeD = i.) : ,v CO � ra 6'MIN. _ HEADER LOG W - BACKFILL VOIDS WITH ON-SITE ALLUVIUM , FILTER FABRIC —1.] Z Q \3> r SECONDARY LOGS AND WOODY DEBRIS 6'MIN. 19 SECONDARY SECTION A-A' m LOGS ���- - _ RIFFLE THICKNESS 24"MIN. N L PRIMARY LOGS d ( SPACE EVERY 5'-7' TRANSPLANTS OR LIVE STAKES w \ - - CZ TYPICAL SECTION FOR BANKFULL CHANNEL DIMENSIONS BANKFULL ELEVATION SET INVERT BASED ON N HEADER LOG \ DESIGN STREAM PROFILE , / g A' END INVERT \ _ / �� '�.` HEADER LOG _o ��ly 0PLAN VIEW _ _ ---- — �� FOOTER LOG w NOTES; F 1. PRIMARY LOGS SHOULD BE AT LEAST 12"OR MORE IN DIAMETER,RELATIVELY STRAIGHT, Cr) AND RECENTLY HARVESTED AND EXTENDING INTO THE BANK 5'ON EACH SIDE. • 2.SECONDARY LOGS SHOULD BE AT LEAST 4"IN DIAMETER AND NO LARGER THAN 10",AND EXTEND INTO THE BANK 2 FEET ON EACH SIDE. 5'MINIMUM 1 5'MINIMUM WOOD MATERIAL SHALL BE VARYING DIAMETER TO ALLOW MATERIAL TO BE COMPACTED. BURIED INTO BURIED INTO w 3.ROOTWADS AND COIR FIBER MATTING CAN BE USED INSTEAD OF TRANSPLANTS OR LIVE STAKES,PER DIRECTION OF ENGINEER. 4.AFTER TRENCH HAS BEEN EXCAVATED A LAYER OF SECONDARY LOGS AND WOODY DEBRIS SHOULD BE PLACED WITH BANK SECTION B-B' BANK MINIMAL GAPS.A LAYER OF ON-SITE ALLUVIUM SHOULD BE APPLIED TO FILL VOIDS BETWEEN SECONDARY LOGS (n BEFORE ADDITIONAL LAYERS ARE PLACED. i REVISIONS PREPARED FOR: \E PREPARED IN THE OFFICE OF: 1( PROJECT ENGINEER m NO. DESCRIPTION ENGR. APPROV DATE 0 1 70%MITIGATION PLAN EMB EP 03/18/21 � � �A N '" ECOSYSTEM STARKER MITIGATION PROJECT1[ PLANNING & PROGRESS DRAWING L T I CATAWBA COUNTY, NC PURPOSES ONLY DOONOT USE FOR CONSTRUCTION Nu EPR RESTORATION Ow NO2 I 150 SE MAYNARD RD,SUITE 140 °Jac 7721 SIX FORKS RD#130, CARY,NC 27511 md�_ _ J` RALEIGH,NC 27615 J J` LICENSE#P-1 182 J LOG VANE w (PROJECT)(SHEETNO) 136 2C o 92 DETAILS \-:'((' I\ BANK LOG BURIED i�BELOW STREAMBED f FLOW 1 _ AT LEAST 5' q STREAMBED PA!'SVOpti 9� AZT ` \ lOH l� �,' >, �ri� //'� i FOOTER LOG \\\ -` CO r A Z HEADER LOGJ Zm A /B\ ,a AR / �� 541,% PROFILE VIEWA-A' , / LOG VANE SPECIFICATIONS 1 / SCOUR ,`� �� BACKFILL WITH ON-SITE ALLUVIUM MATERIALS: SPECIFICATIONS: POOL TYPE: HARDWOOD I FLOW LOGS SIZE: SEE NOTES. NUMBER OF HEADER LOGS: 1 \ /� \ A, _ NUMBER OF FOOTER LOGS: 1 _ TYPE: TYPE 2 NON-WOVEN ,`\ ' / O FILTER FABRIC WIDTH UPSTREAM: 6 FT MINIMUM LOGS BURIED IN HEADER LOG STREAMBANK STONE BACKFILL CLASS A STONE,57 STONE AND AT LEAST 5' ON-SITE ALLUVIUM(34/33/33 MIX) PLAN VIEW FOOTER LOG FILTER 6'MIN. NOTES FOR LOG VANE STRUCTURES: FABRIC 1.STRUCTURE DIMENSIONS AND STRUCTURE MEASUREMENTS ARE SHOWN ON THE STRUCTURE TABLES SHEET. 0-ELEVATION POINT(SEE STRUCTURE TABLES) SECTION B-B' 2. LOGS SHOULD BE STRAIGHT,HARDWOOD,AND NOT ROTTEN. 3.SOIL SHOULD BE COMPACTED WELL AROUND BURIED PORTIONS OF LOGS. 4. FILTER FABRIC SHOULD BE NAILED TO THE LOG BELOW THE BACKFILL. 5.LOGS 12 INCH DIAMETER MINIMUM. LOG STEP LS TOP OF STREAMBANK FLOW STREAMBED SOD MATS SCOUR P001- 0 BACKFILL(ON-SITE ALLUVIUM) ���+,������.� ' RIFFLE WIDTH(SEE TYP) �7_� ```, BOTTOM OF BANK 1 � HEADER LOG ^' TOP OF BANK / E• Q BASEFLOW t'�� �� GEOTEXTILE FABRIC i�� � ♦ HEADER LOG 1 I FOOTER LOG Z LOG STEP SPECIFICATIONS ,I �I I 1 I FOOTER LOG 6'MINIMUM 0 MATERIALS: SPECIFICATIONS: N TYPE: HARDWOOD / \ SECTION A-A' of LOGS SIZE: LENGTH-2 x WeKP,12 INCH(i5 MIN. 5'MINIMUM 5'MINIMUM BURIED INTO ► BURIED INTO N NUMBER OF HEADER LOGS: 1 /RIFFLE WIDTH(SEE TYP) ` BANK BANK NUMBER OF FOOTER LOGS: 1 di — SECTION B-B' ¢ POOL WIDTH(SEE TYP) FILTER FABRIC TYPE: TYPE 2 NON-WOVEN * I - I T ce WIDTH UPSTREAM: 6 FT MINIMUM _ C ` SCOUR C' NOTES FOR LOG STEP STRUCTURES: SOD MAT ` POOL SOD MAT Z `_____ POOL WIDTH(SEE TYP) d 1. LOGS SHOULD BE AT LEAST 1 2 INCHES IN DIAMETER,RELATIVELY STRAIGHT. t I - - °W 7" �____ A� �'W__- _I/ — .' HARDWOOD,AND RECENTLY HARVESTED. BASEFLOW D B I ' W W W J B COIR FIBER MATTING .. COIR FIBER MATTING D 2. LOGS INCHES IN DIAMETER MAY USED ALONE WITHOUT AN ADDITIONAL u�'MIN y 5'MIN. U LOG.GEOTEXTILE FABRIC SHOULD STILL BE USED TO SEAL AROUND LOG BURIED" W Ay W W,BURIED 3. PLACE FOOTER LOGS FIRST AND THEN HEADER(TOP)LOG.SET HEADER LOG INTO RIFFLE WIDTH INTO BANK - BANK LOG WEIR F APPROXIMATLEY 3 INCHES ABOVE THE INVERT ELEVATION. s. (SEE TYP 4. USE GEOTEXTILE FABRIC TO SEAL GAPS BETWEEN LOGS. * N 5. PLACE TRANSPLANTS FROM TOE OF STREAMBANK TO TOP OF STREAMBANK. TOP OF BANK 2 6.TRANSPLANTS CAN BE SUBSTITUTED WITH COIR FIBER MATTING AT THE PLAN VIEW SECTION C-C' Y DIRECTION OF THE ENGINEER. BOTTOM OF BANK ce — (.1'? i REVISIONS PREPARED FOR: 1 r ( PREPARED IN THE OFFICE OF: 1 r PROJECT ENGINEER N m NO. DESCRIPTION ENGR. APPROV DATE 0 1 70%MITIGATION PLAN EMB EP 03/18/21 WT E R L ID'" ECOSYSTEM STARKER MITIGATION PROJECT PLANNING & PROGRESS DRAWING PURPOSES ONLY L T I CATAWBA COUNTY, NC DO NOT USEFOR I FOR CONSTRUCTION oW EPR RESTORATION Noe I 150 SE MAYNARD RD,SUITE 140 roa c 7721 SIX FORKS RD#130, CARY,NC 27511 N!�� _ J` RALEIGH,NC 27615 J J` LICENSE#P-1 182 J (PROJECT)(SHEET NO. ROCK STEP RS 136 2D DETAILS TOP OF STREAMBANK TRIM FILTER FABRIC EVEN WITH FRONT EDGE OF HEADER ROCK FLOW HEADER ROCK STREAMBED 0 -ELEVATION POINT(SEE STRUCTURE TABLE) BOTTOM OF BANK ONSITE ALLUVIUM RIFFLE WIDTH(SEE TYP) TOP OF BANK BASEFLOW ROCK STEP SPECIFICATIONS S. RIFFLE WIDTH '3.. COIR FIBER MATTING 1 COIR FIBER MATTING MATERIALS: SPECIFICATIONS: _ �►�� (SEE TYP) ►�L� 5 ������ A ®��� 5'—'' ROCK STEP - HEADER ROCK TYPE: GRANITE OR COMPARABLE B .1_,2,_ _ ,' ►S4 B' ILTER FABRIC BOULDER SIZE: 3 FT X 2 FT X 2 FT . . Wil a ���. — FOOTER ROCK t-4 r ���� FOOTER ROCK SECTION A-A' ►ta -�� � o��:.► SECTION B-B' TYPE: 201 1 MD SS SSE GEOTEXTILE FABRIC •i �� n� ����� FILTER FABRIC WIDTH UPSTREAM: 6 FT MINIMUM C C' COIR FIBER COIR FIBER MATTING MATTING POOL WIDTH(SEE TYP) COIR FIBER MATTING TYPE: SEE DETAIL \RIFFLE WIDTH(SEE TYP) NOTES FOR ROCK STEP STRUCTURES: / 1.DIG A TRENCH BELOW THE STREAM BED FOR FOOTER AND HEADER ROCKS,FILTER FABRIC AND STONE BACKFILL. ---/ POOL WIDTH(SEE TYP) 2.PLACE FOOTER ROCKS AND THEN HEADER ROCKS TO ACHIEVE I j DESIGN DIMENSIONS AND ELEVATIONS. '� 3.USE HAND PLACED STONE TO FILL GAPS AND VOIDS ON UPSTREAM \ SIDE OF THE HEADER AND FOOTER ROCKS. I_i BASEFLOW 4.PLACE FILTER FABRIC BEGINNING AT THE TOP OF THE HEADER ROCKS COIR FIBER MATTING . COIR FIBER MATTING AND EXTENDING DOWN TO THE DEPTH OF THE FOOTER ROCKS,THEN OUTWARD THE DISTANCE SPECIFIED IN THE STRUCTURES TABLE SHEET. TOP OF BANK 5.INSTALL STONE BACKFILL AND ONSITE ALLUVIUM AS SHOWN,TO THE ��� DIMENSIONS INDICATED IN THE STRUCTURES TABLE SHEET. BOTTOM OF BANK 6.AFTER ALL STONE BACKFILL HAS BEEN PLACED,FILL IN THE UPSTREAM SIDE OF THE STRUCTURE WITH ONSITE ALLUVIUM TO THE ELEVATION OF THE TOP OF THE HEADER ROCK. 7. PLACE TRANSPLANTS FROM TOE OF STREAMBANK TO TOP OF STREAMBANK. PLAN VIEW SECTION C-C' 8.TRANSPLANTS CAN BE SUBSITUTED WITH COIR FIBER MATTING AT THE DIRECTION OF THE ENGINEER. GRADE CONTROL J-HOOK VANE 4110 /3 BOTTO /3 BOTTO WIDTH OF WIDTH OF CHANNEL CHANNEL FLOW STREAM BED ELEVATION BANK 20ITO 3• STONE BACKFILL HEADER ROCK is - �. i:io:y:d s,.i41111.11111.1. GRADE CONTROL J-HOOK VANE SPECIFICATIONS 0 A 3$i�� .O. �a�� :'.��— F ,,\�,. ��`aA•%� ( STONE BACKFILL MATERIALS: SPECIFICATIONS: N -�i A �-� FOOTER ROCK TYPE: GRANITE OR COMPARABLE 7 \�y-- W COIR FIBER MATTING Z SIZE: 3 x 2 x 2 FT Y4Z;' 0O BOULDER z /:i�''�-hr FOOTER ROCK Q 9 gop,_ PROFILE VIEW NUMBER OF HEADER ROWS: 1 4 oNUMBER OF FOOTER ROWS: 1 02 1{{\,,�, /--� 7 2 TYPE: TYPE 2 NON-WOVEN m �1Ik- I ,`\ Z d FILTER FABRIC WIDTH UPSTREAM: 6 FT MINIMUM N ;O• /, Q xi _ •! y P. - / SCOUR``\ a HEADER ROCK • STONE BACKFILL CLASS A AND ON-SITE ALLUVIUM(50/50 MIX) 1 POOL STONE BACKFILL i 1 f r' 48411P � I �1 N STREAMBED�N I...��...I...%t�.i..• NOTES FOR GRADF CONTROI J-HOOK VANF� ,\ SCOUR POOL(EXCAVATED) o %o �' - d 1.INSTALL COIR FIBER MATTING BEGINNING AT THE TOP OF THE HEADER ROCKS __i PER DIRECTION OF ENGINEER �• •:off• •v.o• �•go,o\•. D AND EXTEND DOWNWARD TO THE DEPTH OF THE BOTTOM FOOTER ROCK.AND NO GAPS BETWEEN ROCKS p THEN UPSTREAM TO A MINIMUM OF TEN FEET. 1' Q 2.DIG A TRENCH BELOW THE BED FOR FOOTER ROCKS AND PLACE FILL ON HEADER ROCK COIR FIBER MATTING U UPSTREAM SIDE OF VANE ARM,BETWEEN THE ARM AND STREAMBANK. 1'-2� FOOTER ROCK / 3.START AT BANK AND PLACE FOOTER ROCKS FIRST AND THEN HEADER(TOP)ROCK. F 4.CONTINUE WITH STRUCTURE,FOLLOWING ANGLE AND SLOPE SPECIFICATIONS. PLAN VIEW -I 10'MINIMUM N 5.AN EXTRA ROCK CAN BE PLACED IN SCOUR POOL FOR HABITAT IMPROVEMENT. E' 6.USE HAND PLACED STONE TO FILL GAPS ON UPSTREAM SIDE OF HEADER AND 2 FOOTER ROCKS. SECTION A-A Y 7.AFTER ALL STONE BACKFILL HAS BEEN PLACED,FILL IN THE UPSTREAM SIDE OF THE STRUCTURE WITH ON-SITE ALLUVIUM TO THE ELEVATION OF THE TOP ei-ELEVATION POINT(SEE STRUCTURE TABLES) F OF THE HEADER ROCK. N i REVISIONS PREPARED FOR: \ PREPARED IN THE OFFICE OF: 1 t PROJECT ENGINEER co• NO. DESCRIPTION ENGR. APPROV DATE O 1 70%MITIGATION PLAN EMB EP 03/18/21 \ f E R & LAD'" ECOSYSTEM re STARKER MITIGATION PROJECT PLANNING & PROGRESS DRAWING L T I CATAWBA COUNTY, NC PURPOSES ONLY DOONOT USE R FOR CONSTRUCTION Nu EPR RESTORATION Ow NOz I 150 SE MAYNARD RD,SUITE 140 °Jac 7721 SIX FORKS RD#130, CARY,NC 2751 1 mdN‘, _ J` RALEIGH,NC 27615 1` J` LICENSE#P-1 182 J (PROJECT#)(SHEETNO)�A LOG ROLLER R 1 .. DETAILS -BANKFULL A TOE OF BANK 1 .� ryA--�'FG Pz,Ow _ TOE OF BANK - 2 3 o .. O BANKFULL -• .. �- 4 o THALWEG ----------__ 5 70°-80° ' '� \ 2 BURY INTO BED/BANK A �� 5 FEET OR GREATER .,O.i (TYPICAL) BACKFILL WITH STONE BACKFILL B "� (SEE CONSTRUCTED FILTER FABRIC `. RIFFLE DETAIL) (TYPICAL) 6'MIN. 12"DIAMETER�/ I SCOUR) SECTION A-A' OR GREATER ° POOL ' \ , PROTECT BANK USING TOE WOOD ` (SEE DETAIL) BACKFILL WITH BANKFULL STONE BACKFILL (SEE CONSTRUCTED C \\ .I RIFFLE DETAIL) VARIES HEADER LOG RIFFLE MAX DEPTH 70°-80° . 1/ SEE TYPICAL CROSS SECTION DIMENSIONS Z �- —i ,,SCOUR `1 BURY INTO BED/BANK MTN J POOL 5 FEET OR GREATER FOOTER ER LOG . (TYPICAL) 5 1.1-1.2X / MIN. RIFFLE WIDTH • / SECTION B-B' IN POOL AREAS \_- D, BANKFULL VARIES D — _ RIFFLE MAX DEPTH HEADER LOG /" SEE TYPICAL CROSS SECTION DIMENSIONS\ 1r— 1� I SCOUR', 3 POOL 1 MIN '` j' FOOTER LOG 5' 5 MIN. SECTION C-C' LOG ROLLER SPECIFICATIONS A' Z (, O MATERIALS: SPECIFICATIONS: FLOW W N BANKFULL OI N RIFFLE BED MATERIAL SEE CONSTRUCTED RIFFLE DETAIL PLAN VIEW al — VARIES RIFFLE MAX DEPTH TYPE: HARDWOOD SEE TYPICAL tt LOGS SIZE: LENGTH=2 X WBKF, 1 2"DIA. HEADER LOG CROSS SECTION F NUMBER OF HEADER LOGS: 1 e.-ELEVATION POINT(SEE STRUCTURE TABLES) DIMENSIONS f0 NUMBER OF FOOTER LOGS: 1 I%-2% / - _ —i 4 Z TYPE: TYPE 2 NON-WOVEN FILTER FABRIC d. WIDTH UPSTREAM: 6 FT MINIMUM `�_ � D• NOTES FOR LOG ROLLER STRUCTURES: MIN 1.STRUCTURE DIMENSIONS AND MEASUREMENTS ARE SHOWN ON FOOTER LOGj1 THE STRUCTURE TABLES SHEET.NUMBER OF LOGS MAY VARY. 5 F 2.LOGS SHOULD BE STRAIGHT,HARDWOOD,AND NOT ROTTEN. MIN. 3.SOIL SHOULD BE COMPACTED WELL AROUND BURIED PORTIONS OF LOGS. F 4.FILTER FABRIC SHOULD BE NAILED TO THE LOG BELOW THE STONE BACKFILL. SECTION D-D' • 5.RIFFLE STATIONS AND ELEVATIONS(1&5)ARE SHOWN ON BOTH THE w STRUCTURE TABLES FOR LOG ROLLERS AND CONSTRUCTED RIFFLES ¢ IF APPLICABLE. 6.NUMBER OF LOGS MAY VARY. F (n I REVISIONS PREPARED FOR: 1 r 1( PREPARED IN THE OFFICE OF: 1( PROJECT ENGINEER m NO. DESCRIPTION ENGR. APPROV DATE 0 1 70%MITIGATION PLAN EMB EP 03/18/21a/VAT E R L Ci ECOSYSTEM STARKER MITIGATION PROJECT PLANNING & PROGRESS DRAWING L U T I 0 CATAWBA COUNTY, NC DOONOT USE R FOR CONSTRUCTION N PURPOSES ONLY o EPR RESTORATION ow Noz 1150 SE MAYNARD RD,SUITE 140 co,,c 7721 SIX FORKS RD#130, CARY,NC 27511 md�� _ J` RALEIGH,NC 27615 J` LICENSE#P-1 182 J TOE WOOD WITHOUT ROOTWADS AND FOUNDATION LOGS O (PROJECT#)(SHEETNO) 2F 3,4 DETAILS '.3,4 \ 111, 7����1 A ,i,,e, INSTALL WOODY DEBRIS(TYP.):(SEE NOTE 3). I ��' I W W �i��� AFTER WOODY DEBRIS fTYPJ:HAS BEEN COMPLETED l > r''�Ii✓/ INSTALL SOIL LAYER(NOTE 4)AND COVER �'S% :':� � WITH COIR FIBER MATTING(NOTE 5). Q I EXCAVATE CUT TRENCH(SEE NOTE 2) Q f .-.i• PLACE LIVE CUTTINGS IN LAYER ON TOP J J %�� d d �► �1 OF COIR FIBER MATTING(SEE NOTE 6). A' 0 A' E ems_ �\ a �t09/�� W I =J '. v�11-� I _ ti J C A J 1r I�4�`T �► A '� `` I J r� �, !Meg, 1111P- % , mot �,. O� A / O �� �v 'J 'i n 1r / 4/ -A,A"�A, / 1,2 .., 1.2 ‘_� . --C.1\il\I \ / \ It,' \✓ PLAN VIEW- 1 PLAN VIEW-2 TRENCH EXCAVATION WOODY DEBRIS(TYR.): COIR FIBER MATTING COMPACTED BACKFILL POINT BAR OF CHANNEL (SEE TYPICAL SECTIONS) LIVE CUTTINGS PLACED UNDERNEATH TOE WOOD WITHOUT ROOTWADS COIR FIBER MATTING AND FOUNDATION LOGS SPECIFICATIONS MATERIALS: SPECIFICATIONS: GEOLIFTS-5'WIDE. ENCASE IN COIR FIBER MATTING UP TO THE BANKFULL ELEVATION WOODY DEBRIS(TYP.) TYPE: WOODY DEBRIS(TYP.) (SEE SPECIFICATIONS) SIZE: MIN.5 FT LONG.1 INCH MIN.DIAMETER UNDISTURBED EARTH IICOIR FIBER MATTING ///// - '' COIR FIBER MATTING SEE DETAIL LIVE CUTTINGS \�\ \� ,4,* j\�/��//�/�\/ TOE WOOD WITHOUT ROOTWADS AND FOUNDATION LOGS SPECIFICATIONS O /�j/�j/ 1,3 BASEFLOW � � 1.STRUCTURE DIMENSIONS AND MEASUREMENTS ARE SHOWN ON THE U. \j\\j\\j - - -L_J_ 0_ /��j�\ STRUCTURE TABLE SHEET. p= \��\\��\\\ - `may /\\//' 2.DIG A TRENCH ALONG BANK WHERE TOE WOOD WITHOUT ROOTWADS IS TO BE INSTALLED,TO THE DEPTH AND WIDTH SPECIFIED IN THE DETAILS AND ING PLACED IN A U. ' \\' v( *. = •it .- -,..,�h-- f,__' UNCONSOLIDATED BACKFILL �pPJP\�//�\//\ LOCATION WHERE THERE IS NO STRUCTURE TABLE. IF TOE OT EXISTIND G GROUND,PLACE UT ROOTWADS IS FILL MATERIAL AND Y \ t. =' ` � � AND SOIL �j /j\��j COMPACT TO FORM THE TRENCH FOR THE TOE WOOD MATERIALS. �j\\/\\/ \ ` - i��' Zy I D 2,4 /\\/\ 3.INSTALL WOODY DEBRIS(TYP.)INCLUDING BRANCHES,LOGS, ce 'Ir N WOODY DEBRIS(TYP.):\�\\�\\/\\ MATERIALS \ \\/\\\/\\\\/\\�\\/\\\\\�\�\\ \ \y\\/\\/\\�j\��j\��j\��j\��j\��\\�/\\\\/\\/\\�\\\// AND SMALL TMATER IALS SHALLEAND BRUSH,AND AT LEAST 1"IN AM MIXED,PLACED AMETER. EIN LAYERS NO MORE THAN 1 FOOT DEEP,COVERED IN ATHIN LAYER OF ONSITE ALLUVIUM,AND Z CONSISTING OF LIMBS, COMPACTED BEFORE PLACING THE NEXT LAYER OF TOE WOOD MATERIAL. aJ BRANCHES,SMALL LOGS CONTINUE PLACING MATERIALS TO FORM A DENSE LAYER OF WOODY d ON-SITE ALLUVIUM FINISHED BED— MATERIALS AND ONSITE ALLUVIUM TO THE DEPTH AND ELEVATIONS SPECIFIED I — / ELEVATION D WIDTH (PLAN VIEW 3). 4. PLACE AN UNCONSOLIDATED LAYER OF SOIL ON TOP OF WOODY DEBRIS(TYP.) (aJ SEE STRUCTURE TABLES 5. INSTALL LIVE CUTTINGS,INCLUDING BRANCHES AND BRUSH,AT LEAST 5 FEET IN LENGTH,AND AT LEAST 1 INCH IN DIAMETER. F 6.CONSTRUCT GEOLIFTS OR PLACE TRANSPLANTS(AS SPECIFIED OR DIRECTED (I) BY THE ENGINEER)TO REBUILD THE STREAMBANK ABOVE THE TOE WOOD LAYER. 2 SECTION VIEW W t, -ELEVATION POINT(SEE STRUCTURE TABLES) i REVISIONS PREPARED FOR: • 1( PREPARED IN THE OFFICE OF: 1( PROJECT ENGINEER m NO. DESCRIPTION ENGR. APPROV DATE 0 1 70%MITIGATION PLAN EMB EP 03/18/2i WT E R L D'" ECOSYSTEM STARKER MITIGATION PROJECT PLANNING & PROGRESS DRAWING FOR L T IPURPOSES ONLY CATAWBA COUNTY, NC DO NOT USIE FOR CONSTRUCTION Nu EPR REST�RATI�N Ow NO2 I 150 SE MAYNARD RD,SUITE 140 co^C-C 7721 SIX FORKS RD#130, CARY,NC 27511 and\. _ J` RALEIGH,NC 27615 /` J` LICENSE#P-1 182 J` i SOD MAT sM (PROJECT)(SHEET NO. 136 2G DETAILS \ SOD MATS BASEFLOW 10 IN [7 MIN — WIDTH t', ,,T ./ DETERMINED BY BUCKET SIZE SOD MAT HARVESTING SOD MAT PLACEMENT NOTES: HARVESTING 1.USE FULL-SIZE LOADER,OR SIMILAR APPROVED EQUIPMENT,FOR EXCAVATING, TRANSPORTING,AND PLACING ON-SITE SOD MATS. 2. DISTURB SOD MATS AS LITTLE AS POSSIBLE AND MAINTAIN SOIL MOISTURE. 3. MINIMUM MAT DEPTH IS 10 INCH. PLACEMENT 1. PLACE SOD MATS FROM TOE OF STREAMBANK TO TOP OF STREAMBANK OR TOEWOOD. 2.SOD MATS CAN BE SUBSITUTED WITH COIR FIBER MATTING AT THE DIRECTION OF THE ENGINEER. COIR FIBER MATTING _ LARGE ANCHORS 2"x 2"(NOMINAL) ANCHOR OVERLAP LARGE ANCHORS ON WOODEN STAKE ON 2'CENTERS 3'CENTERS ALONG TOP 1" `����� ����� �� LARGE ANCHORS ON 3'CENTERS ALONG 2�1 ����������������,' CENTER OF MATTING WHEN FULL-WIDTH ^r� SMALL ANCHORS ON �� �� j1 Q MATTING ROLL REQUIRED 2'CENTERS �1���������������` �����pp�������op�I�� ?4" �i�i�i4 � iiii4'Oiiiii^� iii/ ������������������`�������������������� LARGE ANCHORS ON DO NOT MAT POINT BARS WITH COIR FIBER MATTING I ♦�C���� .�...��� 0�:::�.�.�.�.�`,:�:�:�`�,�.�.�.�,� 3'CENTERS ALONG TOE e►�� " --Ll, iii�i�i�i�i�i►�i�iO�;q SMALL ANCHORS WOODEN STAKE 6"OVERLAY(MIN) 1.5" PLAN VIEW TOP OF STREAMBANK z 0 FLOODPLAIN/ 18"-24" EXISTING N COIR FIBER RYP) GROUND Oi MATTING 1 2 £REAMBANK N ANCHORS ON ¢I 2'-3'CENTERS Jll w Y K MATTING PLACEMENT z _ANCHOR OPTIONS aJ SEE PLAN VIEW SHEET FOR MATTING LOCATIONS / TI A TYPICAL MATNG PLAN VIEW o (aJ NOTES. q.\ ',\ '. / 1.IN AREAS TO BE MATTED,ALL SEEDING,SOIL STREAM BED L6"BURIED BELOW STREAMBED AMENDMENTS,AND SOIL PREPARATION MUST BE • COMPLETED PRIOR TO PLACEMENT OF COIR L FIBER MATTING. BACKFILL WITH 2 2.WOODEN STAKES ARE PREFERRED.USE OF STAPLES STREAMBED MATERIAL Y AS SMALL ANCHORS MUST BE PRE-APPROVED BY S THE ENGINEER PRIOR TO INSTALLATION. N TYPICAL CROSS SECTION • i REVISIONS PREPARED FOR: N e. 1( PREPARED IN THE OFFICE OF: t. PROJECT ENGINEER N m NO. DESCRIPTION ENGR. APPROV DATE 0 1 70%MITIGATION PLAN EMB EP 03/18/21 \ f E R & LAN Ci ECOSYSTEM STARKER MITIGATION PROJECT PLANNING & PROGRESS DRAWING to PURPOSES ONLY L U T I 0 CATAWBA COUNTY, NC DO NOT REVIEWR NOT USE FOR CONSTRUCTION Nu EPR RESTORATION ow Noe 1 1 50 SE MAYNARD RD,SUITE 140 co,,c 7721 SIX FORKS RD#130, CARY,NC 27511 N.. _ J` RALEIGH,NC 27615 J J` LICENSE#P-1 182 J CTEMPORARY STREAM CROSSING-WOOD MAT PROJECT# SHEET NO. 136 )C 2H DETAILS SILT FENCE—\ WOOD MAT CI ARS B STONE CLASS B STONE ••':•••• *'40::r T T s4�a zt\ N /\ \ 1St.. —I I I /�/�/�/ • v v v v '\/ /�/ .,: ::• -- - — - ® - — Av.- /\//\//\//\//\//\//\/\//\/\//\//\//\� FILTER FABRIC .o...„ `- __- _.- _�°�0�.��°d -' —III 1 •. CROSS SECTION T I T WOOD MAT STREAM CHANNEL PLAN VIEW NOTES: 1.CONSTRUCT STREAM CROSSING WHEN FLOW IS LOW. 2. HAVE ALL NECESSARY MATERIALS AND EQUIPMENT ON-SITE BEFORE WORK BEGINS. 3.MINIMIZE CLEARING AND EXCAVATION OF STREAMBANKS.DO NOT EXCAVATE CHANNEL BOTTOM. 4.LINE STREAMBANK AND ACCESS RAMP AREA WITH FILTER FABRIC. 5.INSTALL STREAM CROSSING AT RIGHT ANGLE TO THE FLOW. 6.TRANSPLANT SOD FROM ORIGINAL STREAMBANK ONTO SIDE SLOPES FOR LATER USE. 7. MAINTAIN CROSSING SO THAT RUNOFF IN THE CONSTRUCTION ROAD DOES NOT ENTER EXISTING CHANNEL BY INSTALLING SILT FENCE ON ALL FOUR CORNERS ADJACENT TO THE STREAM.SEE SILT FENCE DETAIL. 8.STABILIZE AN ACCESS RAMP OF CLASS B STONE TO THE EDGE OF THE WOOD MAT. 9.THE WOOD MAT SHALL BE OF SUFFICIENT SIZE AND WIDTH TO SUPPORT THE LARGEST VEHICLE CROSSING THE CHANNEL. 10.CONTRACTOR SHALL DETERMINE AN APPROPRIATE RAMP ANGLE ACCORDING TO EQUIPMENT UTILIZED,RECOMMENDED AT A 5:1 SLOPE. SINGLE CULVERT DETAIL Z CREST LENGTH GRAVEL O VS EXTEND GRADE TO VrV� ,,+� x x-'y (' �' � EXTEND GRADE TO EXISTING GROUND 1 ,O��cbOno Oo d�O¢VO V" olYto 0C90 on O�Oo EXISTING GROUND T o O O� O(J oLS�o0vO0O C Ooo00600 0(�008/q�000 0 Oo p�� v FILTER FABRIC CULVERT SPECIFICATIONS (TYPICAL) CLASS B MATERIALS: SPECIFICATIONS: STONE FILL VARIABLE CULVERT CULVERT I _ 5100 S200 PIPE TYPE: SMOOTH HDPE g SEE REQUIRED COVER DEPTH 2.0 FT MIN. 2.0 FT MIN. ? TABLE UPSTREAM INLET ELEV. 900.212 893.27 a _ DOWNSTREAM INLET ELEV. 899.81 2 892.909 t UPSTREAM INLET STA. 21+95.21 25+98.1 5 Q GRAVEL TYPE: #57 STONE AND CRUSHER RUN(50/50 MIX) . CROSS SECTION Z DOWNSTREAM INLET STA. 22+2 i.21 26+43.1 5 _ IF-- I-. FILTER FABRIC FARM PATH ELEV. 906 905 0_ LL GRAVEL (TYPICAL) PIPE SIZE 1 X 42" 1 X 60" xi FILL TYPE: ON-SITE ALLUVIUM TOP WIDTH(FT) 15 15 Y CLASS B T TOP WIDTH CREST LENGTH(FT) 1 1 9 1 06 a STONE �• / FILTER FABRIC TYPE: TYPE 2 NON-WOVEN 2�Z�•0 • 1I lsd l X> , ,O W� , J,0 �� 7 v1 WIDTH UPSTREAM: 6 FT MINIMUM dog, - Itt.. �.'�• _ FILL �l �'� 0_ NOTES FOR CULVERT STRUCTURES: '� ��� Z •�j1 4J OD 1.INCLUDE MANFACTURERS RECOMMENDED BEDDING. •��0. z SEE TABLE 44:#e.1 Q• 2.STABILIZE FILL AROUND CULVERTS WITH CLASS B STONE. e•� 6O F MATTING ACCORDING TO SPECIFICATIONS. PES ITH COIR FIBER `+�� L 4.4 CO 3.INCLUDE MANFACTURERS RECOMMENDED ANTISEEP COLLAR • FOR EACH PIPEIN- . UPSTREAM DOWNSTREAM r c INVERT PROFILE VIEW ALONG STREAM CULVEINVERT a F m 1n 3i C REVISIONS PREPARED FOR: Ni PREPARED IN THE OFFICE OF: PROJECT ENGINEER m NO. DESCRIPTION ENGR. APPROV DATE 0 1 70%MITIGATION PLAN EMB EP 03/18/21 PURPOSES ONLY \ T ER & LAND' ECOSYSTEM STARKER MITIGATION PROJECT PLANNING & PROGRESS DRAWING L U T I 0 CATAWBA COUNTY, NC DOONOT USR E FOR CONSTRUCTION NuOw EPR RESTORATION NO2 1 1 50 SE MAYNARD RD,SUITE 140 roa C 7721 SIX FORKS RD#130, CARY,NC 2751 1 and\ _ J` RALEIGH,NC 27615 J r` J` LICENSE#P-1 182 J (CONSTRUCTION ENTRANCE PROJECT# SHEET NO. 136 )( 21 DETAILS / / I. / R40 'tij F, V . o o ooOO°8 „o / -QoI-O 0!! Rio ♦, NOTES: ..'7' 1.PROVIDE TURNING RADIUS SUFFICIENT TO ACCOMMODATE EXPECTED EQUIPMENT. 2.LOCAL ENTRANCES TO PROVIDE FOR UTILIZATION BY ALL CONSTRUCTION VEHICLES. 3.PLACE GEOTEXTILE FABRIC FOR DRAINAGE BENEATH STONE. 4.MUST BE MAINTAINED IN THE CONDITION WHICH WILL PREVENT TRACKING OR DIRECT MUD INTO STREETS. 5.ANY MATERIAL TRACKED ONTO THE ROADWAY MUST BE CLEANED UP IMMEDIATELY. 6.PROVIDE FREQUENT CHECKS TO THE GRAVEL CONSTRUCTION ENTRANCE AND TIMELY MAINTENANCE. 7.NUMBER AND LOCATION OF CONSTRUCTION ENTRANCES AS SHOWN ON PLANS,OR AS DIRECTED BY THE ENGINEER. 8.USE CLASS"A"STONE OR OTHER COURSE AGGREGATE APPROVED BY THE ENGINEER. 9.INSTALL CONSTRUCTION ENTRANCES IN A WAY TO PREVENT VEHICLES LEAVING THE PROJECT SITE FROM BYPASSING CONSTRUCTION ENTRANCES. TEMPORARY SILT FENCE r 6'MAXIMUM • 7 18"-24" 1 I1 DTI° _ ='e _lf_ bT_c =EtVaitt1 .I _ = I=1 = --I it Z GEOTEXTILE FABRIC—' 0 O N 0 1 In a ¢ GEOTEXTILE FABRIC w COMPACTED FILL ct / 3 . — — — � — — - -111-1 I I B III-I I I�I I-1 (aJ �1 STEEL POST-2'-O"DEPTH / 4" F EXTENSION OF GEOTEXTILE FABRIC INTO TRENCH CO L NOTFS,' 2 1.USE GEOTEXTILE FABRIC A MINIMUM OF 36"IN WIDTH AND FASTEN y ADEQUATELY TO THE STEEL POSTS. 2.PROVIDE 5'STEEL POST OF THE SELF-FASTENER ANGLE STEEL TYPE. I-- 3.REMOVE ONCE AREA IS STABLE. N i REVISIONS PREPARED FOR: 1 r PREPARED IN THE OFFICE OF: 1( PROJECT ENGINEER N m NO. DESCRIPTION ENGR. APPROV DATE O 1 70%MITIGATION PLAN EMB EP 03/18/21 W TER L Ci ECOSYSTEM re STARKER MITIGATION PROJECT PLANNING & PROGRESS DRAWING L T I CATAWBA COUNTY, NC PURPOSES ONLY DOFOR NOT USE REVIEFOR CONSTRUCTION Ow EPR RESTORATION Noe 1 150 SE MAYNARD RD,SUITE 140 roa c 7721 SIX FORKS RD#130, CARY,NC 27511 N,. _ J` RALEIGH,NC 27615 J J` LICENSE#P-1 182 J (PRO JECT# SHEET NO. 136 )C 2J DETAILS STABILIZED INLET PUMP-AROUND PUMP—\ NOTES: IMPERVIOUS DIKE 1.EXCAVATION SHALL BE PERFORMED IN ONLY DRY SECTIONS OF CHANNEL. • (SEE PROJECT SPECIFICATIONS) 2.IMPERVIOUS DIKES SHOULD BE USED TO ISOLATE WORK AREAS FROM STREAM FLOW. 3.THE CONTRACTOR SHALL NOT DISTURB MORE AREA THAN CAN BE STABILIZED IN ONE WORKING DAY. 4.THE PUMP-AROUND PUMP SHOULD ADEQUATELY CONVEY BASEFLOW. TEMPORARY FLEXIBLE HOSE OS SPECIAL STILLING BASIN ill 7 W it Q INSTALL 2 INCH PAD OF WASHED#57 STONE BACKFILL U, BETWEEN SPECIAL STILLING BASIN AND FILTER FABRIC 3 EXISTING GROUND FILTER FABRIC EXISTING CHANNEL 15-20 FT —TEMPORARY FLEXIBLE HOSE • DEWATERING PUMP 07 WO `SPECIAL STILLING BASIN (SEE PROJECT SPECIFICATIONS) STABILIZED OUTLET: CONSTRUCT WITH CLASS B STONE TO STABILIZE STREAM Z AT PUMP AROUND OUTLET (7 D -i O 2 N a S w <• SEQUENCE OF CONSTRUCTION FOR TEMPORARY PUMP-AROUND OPERATION „, 1.INSTALL STABILIZED OUTLET AT THE DOWNSTREAM END OF THE DESIGNATED PROJECT WORKING AREA. O 2.THE CONTRACTOR WILL INSTALL THE PUMP AROUND PUMP AND THE TEMPORARY FLEXIBLE HOSE THAT z WILL CONVEY THE BASE FLOW FROM UPSTREAM OF THE WORK SITE TO THE SPECIAL STILLING BASIN dOR STABILIZED OUTLET. L 3.INSTALL UPSTREAM IMPERVIOUS DIKE AND BEGIN PUMPING OPERATIONS FOR STREAM DIVERSION. D 4.INSTALL PUMPING APPARATUS IF NEEDED TO DEWATER THE ENTRAPPED AREA.THE PUMP AND HOSE D FOR THIS PURPOSE SHALL BE OF SUFFICIENT SIZE TO DEWATER Q THE WORK AREA.THIS WATER WILL FLOW INTO A SPECIAL STILLING BASIN. U 5.THE CONTRACTOR WILL PERFORM STREAM RESTORATION WORK IN ACCORDANCE WITH THE PLAN AND w FOLLOWING THE GENERAL CONSTRUCTION SEQUENCE. F 6.THE CONTRACTOR WILL EXCAVATE ANY ACCUMULATED SILT AND DEWATER BEFORE REMOVAL OF THE 1n IMPERVIOUS DIKE.REMOVE IMPERVIOUS DIKES,PUMPS,AND TEMPORARY FLEXIBLE HOSE. F 7.ONCE THE WORKING AREA IS COMPLETED,REMOVE THE SPECIAL STILLING BASIN AND STABILIZED OUTLET 2 AND STABILIZE DISTURBED AREAS WITH SEED AND MULCH. w Q F (n i REVISIONS PREPARED FOR: 1 r 1 t PREPARED IN THE OFFICE OF: 1 t PROJECT ENGINEER m NO" DESCRIPTION ENGR. APPROV DATE 0 1 70%MITIGATION PLAN EMB EP 03/18/21 \ f E R & LAN D ECOSYSTEM STARKER MITIGATION PROJECT PLANNING & PROGRESS DRAWING FOR L T IPURPOSES ONLY CATAWBA COUNTY, NC DO NOT USIE FOR CONSTRUCTION Nu EPR RESTORATION Ow Noe 1 150 SE MAYNARD RD,SUITE 140 etc 7721 SIX FORKS RD#130, CARY,NC 27511 • N!\_ _ J` RALEIGH,NC 27615 J` LICENSE#P-1 182 J DITCH PLUG )(SHEET NO. (PROJECT 136 2K DETAILS DITCH TO BE PLUGGED UNCOMPACTED BACKFILL 0.5'MINIMUM COMPACTED BACKFILL FINISH GRADE ti' WIDTH SHOWN ON PLAN SHEETS DITCH PLUG - TOP OF BANK DITCH INVERT-\ R- PLAN VIEW SECTION A-A' DITCH PLUG SPECIFICATIONS MATERIALS: SPECIFICATIONS: COMPACTED BACKFILL TYPE: ONSITE SOIL NOTES FOR DITCH PLUG STRUCTURES' 1.PLACE COMPACTED BACKFILL MATERIAL IN EXISTING STREAM OR DITCH. 2.COMPACT BACKFILL USING ON-SITE HEAVY EQUIPMENT IN 10 INCH LIFTS. 3.REPEAT UNTIL DITCH IS WITHIN APPROXIMATELY 6 INCHES OF FINISH GRADE. 4.PLACE UNCOMPACTED BACKFILL TO FINISH GRADE AND SEED. LIVE STAKING SPACING TOP OF STREAMBANK 3"TO 6" A TOP OF STREAMBANK in TOP OF STREAMBANK LIVE STAKE TOE OF STREAMBANK ti BANK HEIGHTS RANGE FROM 0.9'TO 2.4'IN RIFFLES. PLANT STAKES IN A SINGLE STAGGERED ROW EXTENDING FROM TOP OF BANK TO TOE AT SPACING BOTTOM OF CHANNEL AS INDICATED BELOW. .. LIVE STAKE ,; f' 11' r SECTION A-A TOE OF SLOPE A' PLAN VIEW z 0 0 N TOP OF STREAMBANK 01 SQUARE CUT TOP 2 Ul BUDS FACING UPWARD d AFTER INSTALLED i Y LIVE CUTTING MIN.1/2"DIA F /-2'-3'LENGTH // z TOE OF STREAMBANK 0_ / NOTES: a 1.ENHANCEMENT AREAS HAVE 5 X 5 SPACING ONLY. 0 2.IF STAKES ARE BEING HARVESTED NEAR THE SITE, is 5 X 5 LIVE STAKES O STAKES SHOULD BE CUT AND INSTALLED ON THE SAME DAY. / 3.KEEP STAKES COOL AND MOIST WHILE ON THE JOB SITE '..♦. F AND PRIOR TO INSTALLATION. C •:, ANGLE CUT 30-45 DEGREES CO 4.DO NOT INSTALL STAKES THAT HAVE BEEN SPLIT. r..��.-# 3 X 3 LIVE STAKES F 5.STAKES MUST BE INSTALLED WITH BUDS POINTING UPWARDS. &,*, •,•A LIVE STAKE DETAIL 2 6.STAKES SHALL BE INSTALLED PERPENDICULAR TO BANK. SEE PLAN VIEW SHEET FOR LIVE STAKING LOCATIONS W 7.STAKES SHALL BE 1/2 TO 2 INCHES IN DIAMETER AND 2 TO 3 FT LONG. F 8.STAKES SHALL BE INSTALLED LEAVING 1/5 OF STAKE ABOVE GROUND. TYPICAL LIVE STAKING AREA PLAN VIEW U) i REVISIONS PREPARED FOR: 1( PREPARED IN THE OFFICE OF: 1( PROJECT ENGINEER N CO• NO. DESCRIPTION ENGR. APPROV DATE 0 1 70%MITIGATION PLAN EMB EP 03/18/21 WATER L D,� ECOSYSTEM 0 re STARKER MITIGATION PROJECT PLANNING & PROGRESS DRAWING L U T I EPR RESTORATION CATAWBA COUNTY, NC DOONOT USE REVIER FOR CONSTRUCTION OPURPOSES ONLY w NO2 1 1 50 SE MAYNARD RD,SUITE 140 roa C 7721 SIX FORKS RD#130, CARY,NC 27511 and\. _ J` RALEIGH,NC 27615 /` J` LICENSE#P-1 182 J OUTLET PROTECTION oP (PROJECT )(SHEET NO. 136 2L 0 a STEP INVERT ELEVATION A ACTUAL NUMBER OF A HEADER ROCK DETAILS ROCKS AND STEPS MAY VARY I FLyW FOOTER ROCK BOULDERS _IIIII5MIND STEP INVERT ELEVATION V POOL SPACING '' :9% / H=STEP HEIGHT] POOL A 8yt... J �••1�a'•• GEOTEXTILE FABRIC BACK OF BENCH ''•... • � ; STONE BACKFILL 001.t71 W.'big HEADER ROCK PROFILE VIEW A-A' s"•L'(s.C'•: '-"''•""- 1111 STONE BACKFILL BANKFULL • °l•°1,`!I =`' t?,,',. % _ WIDTH VARIES _ OUTLET PROTECTION SPECIFICATIONS a :rN.,M:w..''.'.6I U U I:'Cs° n:: I Z Z M?TLR:ALS: SPECIFICATIONS: C : 8:''°••! C m • 5.2' • LL TYPE: GRANITE OR COMPARABLE tit�'� } 0 0 EXISTING GROUND BOULDER SIZE: 3FTX2FTX2FT _ Y Y NUMBER OF HEADER ROWS: 1 FOOTER ROCK B U U B' NUMBER OF FOOTER ROWS: 1 g°° `�oiVii.N5; ? d° G.:'N. • �r TYPE: TYPE 2 NON-WOVEN TOE OF BANK ° ,°° :lI FILTER FABRIC i c /%. . . . WIDTH UPSTREAM: 6 FT MINIMUM ',t.°. �. LARGE STONE BACKFILL ."' ALONG TOE VARIES 8'-0"TO 1 2'-0" ` "r' 1 COIR FIBER MATTING 2- LARGE STONE BACKFILL U 0 U NOTES FOR OUTLET PROTECTION STRUCTURES: t° .• " I D=POOL DEPTH Z Z COIR FIBER MATTING. 1.FOOTER ROCKS SHALL BE INSTALLED SUCH THAT 1/4 TO 1/3 OF THE LENGTH °'8 �q�"� � STONE BACKFILL m 9'-0" m (STOPS BEHIND HEADER ROCKS) IS DOWNSTREAM 0 2.SOIL ALL BE WELL COMPACTED AROUND BURIED PORTION OF FOOTER POOL CROSS SECTION B-B' EXISTING GROUND ROCKS WITH BUCKET OF TRACK HOE. A C U Y Y U 3.INSTALL GEOTEXTILE FILTER FABRIC UNDERNEATH FOOTER ROCKS. Z Z 4.UNDERCUT POOL BED ELEVATION 8 INCHES TO ALLOW FOR LAYER OF STONE. Q Q • 5.INSTALL COIR FIBER MATTING ALONG COMPLETED BANKS SUCH THAT THE PLAN VIEW COIR FIBER MATTING AT THE TOE OF THE BANK EXTENDS DOWN TO THE UNDERCUT ELEVATION. 6.INSTALL LARGE STONE BACKFILL ALONG SIDE SLOPES. 7.FINAL CHANNEL BED SHAPE SHOULD BE ROUNDED,COMPACTED,AND GEOTEXTILE FABRIC HEADER ROCK CONCAVE,WITH THE ELEVATION OF THE BED APPROXIMATELY 0.5 FT DEEPER (BEGINS BEHIND HEADER ROCKS) IN THE CENTER THAN AT THE EDGES. 8.STEP HEIGHT(H)SHALL NOT EXCEED 0.9 FT. FOOTER ROCK STEP INVERT 9.CONSTRUCTED RIFFLES MAY BE SUBSTITUTED IN AREAS WHERE EXISTING SLOPES ARE LESS THAN 2%AS DETERMINED IN THE FIELD BY THE ENGINEER. POOL CROSS SECTION C-C' STANDARD DITCH NATURAL NATURAL NATURAL NATURAL GROUND \�j GROUND GROUND \ GROUND S7 q.3'� �h 2y 1. 2' Ff►1 Z 0 STANDARD BASE DITCH(TYPE A) STANDARD'V'DITCH(TYPE B) J N O 2 In al w Y K Q S Z a a i o o F NOTES: N 1. BANKS OF TYPE A DITCHES PROTECTED WITH GEOTEXTILE FABRIC(SEE SPECIFICATIONS) 2 2. BANKS OF TYPE B DITCHES PROTECTED WITH STRAW,TEMPORARY AND PERMANENT SEEDING. w 3.TYPE B DITCHES TO BE CONSTRUCTED WITH A MAXIMUM SLOPE OF 0.0005 4.SPOIL FROM DITCHES TO BE USED IN FILLING OLD CHANNEL,CONSTRUCTION OF LEVEES, OR SPREAD EVENLY OVER UPSLOPE AREAS. F N i REVISIONS PREPARED FOR: 1 r PREPARED IN THE OFFICE OF: 1 t PROJECT ENGINEER N m NO. DESCRIPTION ENGR. APPROV DATE 0 1 70%MITIGATION PLAN EMB EP 03/18/21 \ f E R & LAN D°" ECOSYSTEM STARKER MITIGATION PROJECT PLANNING & PROGRESS DRAWING L U T I 0 CATAWBA COUNTY, NC DOONOTR USIE FOR CONSTRUCTION oW EPR RESTORATION Noe 1 1 50 SE MAYNARD RD,SUITE 140 roa c 7721 SIX FORKS RD#130, CARY,NC 2751 1 N,. _ J` RALEIGH,NC 27615 J` LICENSE#P-1 182 J STRUCTURE TABLES )(SHEET NO. (PROJECT 136 3 TABLES J STRUCTURE TABLES TO BE DETERMINED AT 90%DESIGN z 0 0 0 x m a w U/1 Z a i ❑ U w 2 w REVISIONS PREPARED FOR: 1 1 PREPARED IN THE OFFICE OF: 1 PROJECT ENGINEER m NO. DESCRIPTION ENGR. APPROV DATE 3 1 70%MITIGATION PLAN EMB EP 03/18/21 \ T E R & LAECOSYSTEM ° STARKER MITIGATION PROJECT PLANNING & PROGRESS DRAWING PURPOSES ONLY L U T I 0 CATAWBA COUNTY, NC DOFONOT USE REVIER FOR CONSTRUCTION OW EPR RESTORATION NO2 I 150 SE MAYNARD RD,SUITE 140 roa c 7721 SIX FORKS RD#130, CARY,NC 2751 1 md � J` RALEIGH,NC 27615 J` LICENSE#P-1 182 NO) VEGETATION SELECTION PROJECT SHEET C 136 )C 3 Proposed Riparian Buffer Bare Root Plantings TABLES %Proposed for Scientific Name Common Name Mixed-Mesic Forest Alluvial Forest Planting by Species N J Betula nigra River birch 15% Yes Fraxinus pennsylvanica Green ash 4% Yes Platanusoccidentalis American sycamore 15% Yes Ulmusamericana American elm 5% Yes Quercus michauxii Swamp chestnut oak 15% Yes Yes Quercus alba White oak 15% Yes Yes Quercusphellos Willow oak 10% Yes Quercus nigra Water oak 10% Yes Caryovata Shagbark Hickory 5% Yes Diospyros virginiana Persimmon 6% Yes Yes Note:Final species selection may change due to refinement or availability at the time of planting.Species substitutions will be coordinated between WLS and planting contractor prior to the procurement of seeding stock. Proposed Riparian Buffer Permanent Seeding %Proposed for Scientific Name Common Name Seeding Rate(lb/acre) Planting by Species Andropogon gerardii Big blue stem 10% 2 Dichanthelium clandestinum Deer tongue 15% 3 Elymus virginicus Virginia wildrye 15% 3 Panicum virgatum Switchgrass 15% 3 Schizachyrium scoparium Little blue stem 25% 5 Rudbeckia hirta Black-eyed susan 10% 2 z o Echinacea purpurea Coneflower 10% 2 d ro 0 allote:Final species selection may change due to refinement or availability at the time of planting.Species substitutions will cEI be coordinated between WLS and planting contractor prior to the procurement of seeding stock. W K Q IS Z a / o 12 w 1n 2 w .' UI i REVISIONS PREPARED FOR: -Ni. PREPARED IN THE OFFICE OF: 1( PROJECT ENGINEER N m NO. DESCRIPTION ENGR. 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DESCRIPTION ENGR. APPROV DATE ECOSYSTEM 0 1 70%MITIGATION PLAN EMB EP 03/18/21 WATER & LAND' o I II STARKER MITIGATION PROJECT PLANNING & PROGRESS DRAWING a1i SO L U T I O \ S CATAWBA COUNTY, NCFOR REVIEW PURPOSES ONLY EPR RESTORAT:DN DO NOT USE FOR CONSTRUCTION Ow NO2 1 1 50 SE MAYNARD RD,SUITE 140 00 c 7721 SIX FORKS RD#130, CARY,NC 2751 1 mdk J` RALEIGH,NC 2761 5 J` ,I` LICENSE#P-1 182 J`� PROJECT NO.)(SHEETg65 �' �/ // / /Jrl0136 16 ®� ~ �— / / / ��� _g6�il /- PLAN / / '� PROFILE _ / e. / s / FEMA FLOODWAY 00 — MULL CREEK r ® n I 100 YR FLOOD PLAIN ? ` �L". y T T T \ • v ..t 07 'C' T _ cc\ 67+00 "7- — c I Z '}`rrN � rr '� ' ' END CONSTRUCTIONS 100 / �� rc\ G ;4 1 �' ��t� -ice: l��\ STA. 67+90.60 '_ �10 C5� _.•58%m i111► 111� c 0. 9` •`� - RETAIN EXISTING CULVERT J a�i� /� / as \II J/� r 4�/� •�� r INV. — /, •o as? .. 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APPROV DATE 0 1 70%MITIGATION PLAN EMB EP 03/18/214WiTER & LA1yD� ECOSYSTEM °0 I STARKER MITIGATION PROJECT PLANNING & PROGRESS DRAWING —I� 5 L T 0 \ S CATAWBA COUNTY, NC / rE PR RESTORATIONFOR REVIEW PURPOSES ONLY PR R ES ORATION DO NOT USE FOR CONSTRUCTION NOz 1 150 SE MAYNARD RD,SUITE 140 °,24 7721 SIX FORKS RD#130, CARY,NC 2751 1 md � J` RALEIGH,NC 27615 .1 . J` LICENSE#P-1 182 J`— \�rn rn�\\ —g35— 1 — — / // \ ,-934 / (PROJECT#)(SHEETNO) 05 ) i X>cj-\\ / ( x\ I\\ \ J / — — — — - - - -932-- - PLAN / \ �\�\ ,` 3— _ — — _ _ — i _ _ PROFILE ...-- /i // /� /Lr /� /� xr J\ II \�\\— �- \ 1�OliiEFIELDDI�2}� / \ _931- - � _� J . 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APPROV DATE ECO SYSTEM 3 1 70%MITIGATION PLAN EMB EP 03/18/21 \NATE R & LAN DT' I _ R STARKER MITIGATION PROJECT PLANNING & PROGRESS DRAWING / FOR REVIEW PURPOSES ONLY .42 4 sciluilo \ s CATAWBA COUNTY, NC rEPR RESTORATION DO NOT USE FOR CONSTRUCTION N 0 Ow 1150 SE MAYNARD RD,SUITE 140 al c CARY,NC 27511 7721 SIX FORKS RD#130, N.(.c LICENSE#P-1182 Q)ctk .i RALEIGH,NC 27615 ..I . ..) . .1 ._ / //�//// 4'J Ill ` \ I I -906� gp7� — - __ ` / _ PROJECT# SHEET NO. -906 i o / � � - - - - _ _ _ --- _ — Ja 0136 C 20 • 61////� / m i ® , , — ,„ — — PROFILE 1 _ LLI REyVC HII� \\® \ \ //\ 9 ' / / / ��' 1`\�� _ _ _ r �.: -4 CONS /XTION\ \� -• /0) 0 �j�g�'��JIT" / '---_\ \ \ \ EASE B1`O -�� ( /� � \ ' /\ \� 695— 14 �*vim BOU �ZSA TS �1\ -I / •' g�A �'`Mimi. // \_tafike \ \ OI 6REM0 9 // / �( r:. >�% \1 I r \6g� x �� (�I1�IyIIy,I�1II I �f�(� � 29koo %lam .-644rAll.N janni- ,__ :II :11: :1 1111: \\ EM�VE EXISTING �/ � / 1 I99 __,. - 7 )i_A- \ \ , ,,., ) 14100171. 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APPROV DATE 0 1 70%MITGATION PLAN EMB EP 03/18/21 WATER & LAND- STARKER MITIGATION PROJECT PLANNING 8C PROGRESS DRAWING au 5 O L lJ T I O \ S CATAWBA COUNTY, NCDOF NOT USIE FOR CONSETRUCTION oW EPR RESTORATION NO2 1150 SE MAYNARD RD,SUITE 140 °Jac 7721 SIX FORKS RD#130, CARP,NC 2751 1 md� J RALEIGH,NC 27615 .1 . J` LICENSE#P-1 182 J Appendix B- Existing Conditions Data WLS Catawba 01 Umbrella Mitigation Bank Starker Mitigation Site BEHI Existing Cross-Section Sediment Samples Hydric Soils Report NC DWQ Stream Identification Banks Assessment for Non-point source Consequences of Sediment (BANCS) Starker: Existing Conditons Bank Erosion Hazard Stream Index Near Bank Shear Erosion Rate Sub-Reach Length (ft)* (BEHI)Category Stress (Tons/yr) S100(North of 1-40,above crossing) Left Bank 1025 Low Very Low 0.10 47 Extreme Very Low 5.88 Right Bank 825 Low Very Low 0.08 145 Moderate Very Low 0.29 111 Extreme Very Low 13.90 subtotal 20 S100(North of 1-40,below crossing) Left Bank 94 Low Very Low 0.04 1212 Moderate Very Low 0.75 723 High Very Low 3.66 370 Extreme Very Low 46.98 Right Bank 111 Low Very Low 0.02 1209 Moderate Very Low 5.34 621 High Very Low 13.36 422 Extreme Very Low 116.43 subtotal 187 S100(South of 1-40) Left Bank 1362 Moderate Low 10.64 410 High Low 10.89 250 Extreme Low 126.98 Right Bank 1379 Moderate Low 10.22 307 High Low 7.73 347 Extreme Low 167.13 subtotal 334 Reach S100 Total 540 S200(North of 1-40) Left Bank 85 Low Very Low 0.02 246 High Very Low 4.31 324 Very High Very Low 30.53 159 Extreme Very Low 35.67 Right Bank 115 Low Very Low 0.02 264 High Very Low 4.74 329 Very High Very Low 31.80 104 Extreme Very Low 23.94 subtotal 131 S200(South of 1-40,above crossing) Left Bank 424 Moderate Low 2.37 160 High Low 3.04 Right Bank 421 Low Low 0.05 106 Moderate Low 0.12 53 High Low 0.20 subtotal 6 S200(South of 1-40,below crossing) Left Bank 1609 Moderate Moderate 12.09 930 High Moderate 18.63 258 Extreme Moderate 80.74 Right Bank 1495 Moderate Moderate 20.21 926 High Moderate 33.39 412 Extreme Moderate 232.09 subtotal 397 Reach S200 Total 534 Project Total 1074 Banks Assessment for Non-point source Consequences of Sediment (BANCS) Starker: Design Bank Erosion Hazard Stream Index Near Bank Shear Erosion Rate Sub-Reach Length (ft)* (BEHI)Category Stress (Tons/yr) S100(North of 1-40,above crossing) Left Bank 1076 Low Very Low 0.11 Right Bank 1076 Low Very Low 0.11 subtotal 0 S100(North of 1-40, below crossing) Left Bank 2355 Low Very Low 0.94 Right Bank 2355 Low Very Low 0.52 subtotal 1 S100*South of 1-40) Left Bank 2054 Low Low 1.61 Right Bank 2054 Low Low 1.52 subtotal 3 Reach S100 Total 5 S200(North of 1-40) Left Bank 815 Low Very Low 0.15 Right Bank 815 Low Very Low 0.15 subtotal 0 S200(South of 1-40,above crossing) Left Bank 583 Low Low 0.33 Right Bank 583 Low Low 0.06 J subtotal 0 S200(South of 1-40,below crossing) Left Bank 2812 Low Moderate 3.52 Right Bank 2812 Low Moderate 6.34 subtotal 10 Reach S200 Total 11 Project Total 15 RIVERMORPH CROSS SECTION SUMMARY River Name : Starker Reach Name : S100 Cross Section Name : S100 N OF I-40 , ABOVE CROSSING Survey Date : 07/14/2020 Cross Section Data Entry BM Elevation : 1 ft Backsight Rod Reading : 100 ft TAPE FS ELEV NOTE 1 5 .07 95 . 93 4 5 . 23 95 . 77 8 5 . 64 95 . 36 LTOB 8 . 5 6. 67 94. 33 9 . 1 6. 82 94 . 18 9 . 7 8 . 12 92 . 88 FIELD BKF 9 . 8 8 . 73 92 . 27 10. 5 8 . 75 92 . 25 11. 5 8 . 7 92 . 3 11. 8 8 . 65 92 . 35 REW 13 8 .43 92 . 57 15 . 7 8 .02 92 . 98 BKF 19 7 . 59 93 .41 22 . 2 6. 8 94 . 2 23 6. 65 94 . 35 27 3 . 5 97 . 5 29 3 . 2 97 . 8 Cross Sectional Geometry Channel Left Right Floodprone Elevation (ft) 93 . 71 93 . 71 93 . 71 Bankfull Elevation (ft) 92 . 98 92 . 98 92 . 98 Floodprone width (ft) 10 . 9 Bankfull width (ft) 6.05 2 . 72 3 . 33 Entrenchment Ratio 1. 8 Mean Depth (ft) 0.43 0. 65 0. 25 Maximum Depth (ft) 0. 73 0. 73 0. 53 Width/Depth Ratio 14 .07 4. 16 13 . 32 Bankfull Area (sq ft) 2 . 63 1. 78 0. 85 wetted Perimeter (ft) 6. 68 3 . 84 3 . 9 Hydraulic Radius (ft) 0. 39 0.46 0. 22 Begin BKF Station 9. 65 9. 65 12 . 37 End BKF Station 15 . 7 12 . 37 15 . 7 Entrainment Calculations Entrainment Formula: Rosgen Modified Shields Curve Channel Left Side Right Side Slope 0 0 0 Shear Stress (lb/sq ft) Movable Particle (mm) S100 N OF 1-40, ABOVE CROSSING O Ground Points •Bankfull Indicators V Water Surface Points Wbkf = 6.05 Dbkf - .-.. Abkf = 2.63 98- 0 96— C 0 0 j 0 0 4) 94 W 0 0 0 0 O 0o 92 90 0 5 10 15 20 25 30 Horizontal Distance (ft) RIVERMORPH CROSS SECTION SUMMARY River Name : Starker Reach Name : S100 Cross Section Name : S100 N OF I-40 , BELOW CROSSING Survey Date : 07/14/2020 Cross Section Data Entry BM Elevation : 1 ft Backsight Rod Reading : 100 ft TAPE FS ELEV NOTE 0 6. 15 94 . 85 LPin 4 6. 38 94 . 62 LTOB 5 6. 78 94 . 22 6. 3 7 . 83 93 . 17 7 . 3 8 . 16 92 . 84 8 8 . 5 92 . 5 BKF 8 . 9 8 . 85 92 . 15 9 . 5 9 . 11 91. 89 10. 2 9 . 37 91. 63 LEW 11 9 . 54 91.46 12 . 2 9 . 58 91.42 13 9 . 61 91. 39 TWG 14 . 2 9 .4 91. 6 REW 15 .4 9 . 16 91. 84 16. 3 9 . 25 91. 75 Back of bench 16.4 8 . 61 92 . 39 18 8 . 13 92 . 87 FIELD BKF 19 .4 7 . 54 93 .46 20. 7 7 .07 93 . 93 21. 5 6. 68 94 . 32 22 6.07 94 . 93 RPin Cross Sectional Geometry Channel Left Right Floodprone Elevation (ft) 93 . 61 93 . 61 93 . 61 Bankfull Elevation (ft) 92 . 5 92 . 5 92 . 5 Floodprone Width (ft) 14 .06 Bankfull Width (ft) 8 . 77 4. 6 4. 17 Entrenchment Ratio 1. 6 Mean Depth (ft) 0. 77 0. 75 0. 79 Maximum Depth (ft) 1. 11 1.09 1. 11 Width/Depth Ratio 11. 39 6. 16 5 . 28 Bankfull Area (sq ft) 6. 72 3 .43 3 . 28 Wetted Perimeter (ft) 9. 56 5 . 88 5 . 87 Hydraulic Radius (ft) 0. 7 0. 58 0. 56 Begin BKF Station 8 8 12 . 6 End BKF Station 16 . 77 12 . 6 16 . 77 Entrainment Calculations Entrainment Formula: Rosgen Modified Shields Curve Channel Left side Right side Slope 0 0 0 Shear Stress (lb/sq ft) Movable Particle (mm) S100 N OF 1-40, BELOW CROSSING O Ground Points •Bankfull Indicators V Water Surface Points Wbkf = 8.77 Dbkf - .-- Abkf = 6.72 95— • 94 i O 93 Q 0 c 4) W 0 0 92— • 91 90 0 5 10 15 20 25 Horizontal Distance (ft) RIVERMORPH CROSS SECTION SUMMARY River Name : Starker Reach Name : S100 Cross Section Name : S100 S OF I-40-XS1 US Survey Date : 07/14/2020 Cross Section Data Entry BM Elevation : 1 ft Backsight Rod Reading : 100 ft TAPE FS ELEV NOTE 0 12 . 71 88 . 29 LPin 2 13 .07 87 . 93 4 13 . 35 87 . 65 5 . 5 13 . 65 87 . 35 7 14 .09 86. 91 8 . 3 14 . 35 86. 65 8 . 6 14 . 56 86.44 8 . 8 15 .04 85 . 96 9 . 3 15 .45 85 . 55 9 . 6 16.01 84. 99 10. 1 16. 2 84. 8 LEW 11 16. 23 84. 77 12 16. 26 84. 74 13 .4 16.4 84. 6 TW 14 . 2 16.41 84 . 59 REW 14 . 9 15 . 32 85 . 68 15 . 3 14 . 98 86.02 BKFL 16. 1 14 . 33 86. 67 17 13 . 87 87 . 13 19 13 . 35 87 . 65 20 13 .08 87 . 92 RPin Cross Sectional Geometry Channel Left Right Floodprone Elevation (ft) 87 .45 87 .45 87 .45 Bankfull Elevation (ft) 86 .02 86 .02 86 .02 Floodprone width (ft) 13 . 23 Bankfull width (ft) 6. 53 3 . 25 3 . 27 Entrenchment Ratio 2 .03 Mean Depth (ft) 1.08 1.02 1. 13 Maximum Depth (ft) 1.43 1. 28 1.43 Width/Depth Ratio 6.05 3 . 17 2 . 89 Bankfull Area (sq ft) 7 .01 3 . 34 3 . 68 Wetted Perimeter (ft) 7 . 81 5 . 1 5 . 28 Hydraulic Radius (ft) 0. 9 0. 65 0. 7 Begin BKF Station 8 . 78 8 . 78 12 .03 End BKF Station 15 . 3 12 .03 15 . 3 Entrainment Calculations Entrainment Formula: Rosgen Modified Shields Curve Channel Left side Right side Slope 0 0 0 Shear Stress (lb/sq ft) Movable Particle (mm) S100 S OF 1-40- XS1 US O Ground Points •Bankfull Indicators V Water Surface Points Wbkf = 6.53 Dbkf = 1.08 Abkf = 7.01 90 88 86— C O 84 82 80 0 5 10 15 20 25 Horizontal Distance (ft) RIVERMORPH CROSS SECTION SUMMARY River Name : Starker Reach Name : S100 Cross Section Name : S100 S OF I-40-XS2 DS Survey Date : 07/14/2020 Cross Section Data Entry BM Elevation : 1 ft Backsight Rod Reading : 100 ft TAPE FS ELEV NOTE 0 3 . 58 97 .42 LPin 0. 5 3 . 71 97 . 29 2 . 1 5 .06 95 . 94 3 . 6 6. 56 94 .44 4 . 5 6. 99 94 .01 5 . 5 8 93 5 . 8 8 . 82 92 . 18 6. 3 9 . 13 91. 87 BKFL 6. 7 9 . 38 91. 62 6. 9 10. 36 90. 64 LEW 9 10.49 90. 51 11. 2 10. 53 90.47 12 . 2 10. 64 90. 36 TW 12 . 8 10. 36 90. 64 REW 13 9 . 53 91.47 13 . 3 9 . 36 91. 64 13 . 5 9 . 14 91. 86 BKFL 15 . 3 8 . 82 92 . 18 16. 7 8 . 56 92 .44 17 . 6 8 . 21 92 . 79 18 .4 7 . 87 93 . 13 21. 6 7 . 15 93 . 85 25 7 .45 93 . 55 RPin Cross Sectional Geometry Channel Left Right Floodprone Elevation (ft) 93 . 38 93 . 38 93 . 38 Bankfull Elevation (ft) 91. 87 91. 87 91. 87 Floodprone width (ft) 14 . 39 Bankfull width (ft) 7 . 26 3 . 63 3 . 63 Entrenchment Ratio 1. 98 Mean Depth (ft) 1. 17 1. 15 1. 19 Maximum Depth (ft) 1. 51 1. 38 1. 51 Width/Depth Ratio 6. 21 3 . 14 3 .05 Bankfull Area (sq ft) 8 . 51 4. 19 4. 32 wetted Perimeter (ft) 9 5 . 88 5 . 87 Hydraulic Radius (ft) 0. 95 0. 71 0. 74 Begin BKF Station 6. 3 6. 3 9. 93 End BKF Station 13 . 56 9. 93 13 . 56 Entrainment Calculations Entrainment Formula: Rosgen Modified Shields Curve Channel Left side Right side Slope 0 0 0 Shear Stress (lb/sq ft) Movable Particle (mm) S100 S OF 1-40- XS2 DS O Ground Points •Bankfull Indicators V Water Surface Points Wbkf = 7.2E Dbkf = 1.17 Abkf = 8.51 98 96 C O 0 4) 94 0 W 0 • l� 92 0 9 V e 90 0 5 10 15 20 25 30 Horizontal Distance (ft) RIVERMORPH CROSS SECTION SUMMARY River Name : Starker Reach Name : S100 Cross Section Name : S102 Survey Date : 07/14/2020 Cross Section Data Entry BM Elevation : 1 ft Backsight Rod Reading : 100 ft TAPE FS ELEV NOTE 0 5 . 55 95 .45 LPin 4 5 . 37 95 . 63 7 . 1 5 . 79 95 . 21 LTOB 8 . 6 6. 39 94 . 61 9 . 1 7 . 17 93 . 83 9 . 8 8 . 15 92 . 85 BKF 10. 6 8 .4 92 . 6 LEW 11 8 . 54 92 .46 11. 3 8 . 54 92 .46 11.4 8 .49 92 . 51 REW 11. 8 7 . 62 93 . 38 13 . 3 7 .09 93 . 91 14 .4 6. 5 94 . 5 15 . 6 6. 24 94 . 76 20 5 . 39 95 . 61 RTOB/RPin Cross Sectional Geometry Channel Left Right Floodprone Elevation (ft) 93 . 24 93 . 24 93 . 24 Bankfull Elevation (ft) 92 . 85 92 . 85 92 . 85 Floodprone width (ft) 2 . 21 Bankfull width (ft) 1. 76 0. 88 0. 88 Entrenchment Ratio 1. 26 Mean Depth (ft) 0. 23 0. 14 0. 33 Maximum Depth (ft) 0. 39 0. 28 0. 39 Width/Depth Ratio 7 . 65 6. 39 2 . 67 Bankfull Area (sq ft) 0.41 0. 12 0. 29 wetted Perimeter (ft) 2 .05 1. 2 1.4 Hydraulic Radius (ft) 0. 2 0. 1 0. 2 Begin BKF Station 9. 8 9. 8 10 . 68 End BKF Station 11. 56 10 . 68 11. 56 Entrainment Calculations Entrainment Formula: Rosgen Modified Shields Curve Channel Left side Right Side Slope 0 0 0 Shear Stress (lb/sq ft) Movable Particle (mm) S102 0 Ground Points •Bankfull Indicators V Water Surface Points Wbkf = 1.76 Dbkf = .23 Abkf = .41 96— 0 • 95 0 94 O C O 4) 93 W CS 92 91 90 0 5 10 15 20 25 Horizontal Distance (ft) RIVERMORPH CROSS SECTION SUMMARY River Name : Starker Reach Name : S100 Cross Section Name : S101 Survey Date : 07/14/2020 Cross Section Data Entry BM Elevation : 1 ft Backsight Rod Reading : 100 ft TAPE FS ELEV NOTE 0 4 . 53 96.47 LPin 2 5 .04 95 . 96 4 5 . 53 95 .47 6. 1 6. 22 94 . 78 7 .4 7 . 14 93 . 86 8 . 8 8 . 53 92 .47 10. 3 9 . 26 91. 74 FIELD BKFL 11. 2 9 . 79 91. 21 BKF 11. 6 10. 15 90. 85 LEW 12 . 6 10. 23 90. 77 TW 13 . 2 10. 15 90. 85 REW 14 9 . 84 91. 16 BKF 14 . 3 9 . 23 91. 77 FIELD BKFL 15 . 1 8 . 78 92 . 22 16. 6 8 . 29 92 . 71 17 . 9 7 . 54 93 .46 19 6. 79 94 . 21 22 . 7 5 . 32 95 . 68 27 4 . 79 96. 21 RPin Cross Sectional Geometry Channel Left Right Floodprone Elevation (ft) 91. 61 91. 61 91. 61 Bankfull Elevation (ft) 91. 19 91. 19 91. 19 Floodprone width (ft) 3 . 7 Bankfull width (ft) 2 . 79 1.06 1. 73 Entrenchment Ratio 1. 33 Mean Depth (ft) 0. 29 0. 3 0. 29 Maximum Depth (ft) 0.42 0. 39 0.42 Width/Depth Ratio 9. 62 3 . 57 5 . 97 Bankfull Area (sq ft) 0. 82 0. 31 0. 51 wetted Perimeter (ft) 3 .01 1. 58 2 . 21 Hydraulic Radius (ft) 0. 27 0. 2 0. 23 Begin BKF Station 11. 22 11. 22 12 . 28 End BKF Station 14 .01 12 . 28 14 .01 Entrainment Calculations Entrainment Formula: Rosgen Modified Shields Curve Channel Left side Right Side Slope 0 0 0 Shear Stress (lb/sq ft) Movable Particle (mm) S101 O Ground Points •Bankfull Indicators V Water Surface Points Wbkf = 2.79 Dbkf = .29 Abkf = .82 98 0 96 0 0 4) 94 W 0 0 92 0 v $ v 90 0 5 10 15 20 25 30 Horizontal Distance (ft) RIVERMORPH CROSS SECTION SUMMARY River Name : Starker Reach Name : S200 Cross Section Name : S200 N OF I-40 Survey Date : 07/15/2020 Cross Section Data Entry BM Elevation : 1 ft Backsight Rod Reading : 100 ft TAPE FS ELEV NOTE 0 4 . 53 96.47 2 5 . 82 95 . 18 3 . 1 6. 1 94 . 9 4 .4 6.47 94 . 53 5 6. 74 94 . 26 BKF 6 . 5 7 .42 93 . 58 7 . 7 7 . 57 93 .43 LEW 8 . 1 7 . 67 93 . 33 9 . 1 7 . 64 93 . 36 10 7 . 64 93 . 36 10. 5 7 . 58 93 .42 REW 13 . 2 6. 36 94 . 64 14 . 8 6. 26 94 . 74 15 . 7 6. 17 94 . 83 17 . 3 5 . 6 95 .4 19 . 2 4 . 63 96. 37 Cross Sectional Geometry Channel Left Right Floodprone Elevation (ft) 95 . 19 95 . 19 95 . 19 Bankfull Elevation (ft) 94 . 26 94 . 26 94 . 26 Floodprone width (ft) 14 . 73 Bankfull width (ft) 7 . 36 3 . 68 3 . 68 Entrenchment Ratio 2 Mean Depth (ft) 0. 64 0. 63 0. 65 Maximum Depth (ft) 0. 93 0. 93 0. 91 Width/Depth Ratio 11. 5 5 . 88 5 . 66 Bankfull Area (sq ft) 4. 71 2 . 3 2 . 41 wetted Perimeter (ft) 7 . 71 4 . 76 4 . 78 Hydraulic Radius (ft) 0. 61 0.48 0. 5 Begin BKF Station 5 5 8 . 68 End BKF Station 12 . 36 8 . 68 12 . 36 Entrainment Calculations Entrainment Formula: Rosgen Modified Shields Curve Channel Left Side Right Side Slope 0 0 0 Shear Stress (lb/sq ft) Movable Particle (mm) S200 N OF 1-40 O Ground Points •Bankfull Indicators V Water Surface Points Wbkf = 7.36 Dbkf = .64 Abkf = 4.71 98 96 O 94 92 90 0 5 10 15 20 Horizontal Distance (ft) RIVERMORPH CROSS SECTION SUMMARY River Name : Starker Reach Name : S200 Cross Section Name : S200 S OF I-40 , ABOVE CROSSING -XS4 Survey Date : 07/14/2020 Cross Section Data Entry BM Elevation : 1 ft Backsight Rod Reading : 100 ft TAPE FS ELEV NOTE 0 5 .01 95 . 99 LPin 1. 5 6. 24 94 . 76 3 7 . 3 93 . 7 3 . 7 8 . 1 92 . 9 4 . 5 8 . 59 92 .41 6 8 . 9 92 . 1 9 9 .09 91. 91 13 9 .06 91. 94 15 . 7 8 . 9 92 . 1 16 8 . 92 92 .08 16. 5 9 . 16 91. 84 16. 8 9 . 61 91. 39 BKFL 17 . 2 9 . 91 91.09 17 . 7 10. 5 90. 5 LEW 18 . 5 10. 6 90.4 TW 19 . 2 10. 57 90.43 20. 3 10. 56 90.44 20. 9 10. 52 90.48 REW 21. 2 9 . 94 91.06 21. 5 9 . 62 91. 38 BKFL 21. 8 9 .46 91. 54 22 . 2 9 . 12 91. 88 23 . 7 8 . 74 92 . 26 25 . 9 7 . 5 93 . 5 28 5 .03 95 . 97 30 3 . 27 97 . 73 RPin Cross Sectional Geometry Channel Left Right Floodprone Elevation (ft) 92 . 36 92 . 36 92 . 36 Bankfull Elevation (ft) 91. 38 91. 38 91. 38 Floodprone width (ft) 19 . 14 Bankfull width (ft) 4. 69 2 . 35 2 . 34 Entrenchment Ratio 4.08 Mean Depth (ft) 0. 77 0. 74 0. 8 Maximum Depth (ft) 0. 98 0. 98 0. 95 Width/Depth Ratio 6.09 3 . 19 2 . 92 Bankfull Area (sq ft) 3 . 59 1. 73 1. 86 wetted Perimeter (ft) 5 . 56 3 . 68 3 . 78 Hydraulic Radius (ft) 0. 65 0.47 0. 49 Begin BKF Station 16 . 81 16 . 81 19 . 16 End BKF Station 21. 5 19 . 16 21. 5 Entrainment Calculations Entrainment Formula: Rosgen Modified Shields Curve Channel Left side Right side Slope 0 0 0 Shear Stress (lb/sq ft) Movable Particle (mm) S200 S OF 1-40, ABOVE CROSSING - XS4 O Ground Points •Bankfull Indicators V Water Surface Points Wbkf = 4.6: Dbkf - .-- Abkf = 3.59 98 A 96 . • 0 0 94 0 0 O O 92 • • 9 U v e So 90 0 10 20 30 40 Horizontal Distance (ft) RIVERMORPH CROSS SECTION SUMMARY River Name : Starker Reach Name : S200 Cross Section Name : S200 S OF I-40 , ABOVE CROSSING - XS5 Survey Date : 07/14/2020 Cross Section Data Entry BM Elevation : 1 ft Backsight Rod Reading : 100 ft TAPE FS ELEV NOTE 0 2 . 35 98 . 65 LPin 2 3 . 21 97 . 79 5 5 . 19 95 . 81 9 5 . 29 95 . 71 11 5 . 31 95 . 69 12 . 6 5 . 15 95 . 85 14 . 5 5 .42 95 . 58 BKFL 15 . 1 5 . 9 95 . 1 15 . 8 6. 2 94 . 8 16. 2 6.44 94 . 56 LEW 17 6. 6 94 .4 17 . 8 6. 58 94 .42 18 .4 6. 68 94 . 32 TW 18 . 7 6.48 94 . 52 REW 18 . 9 5 . 78 95 . 22 19 . 6 5 .45 95 . 55 BKFL 20. 7 4 . 86 96. 14 21.4 4 .43 96. 57 22 . 3 3 . 6 97 .4 23 . 5 2 . 51 98 .49 RPin Cross Sectional Geometry Channel Left Right Floodprone Elevation (ft) 96 . 82 96 . 82 96 . 82 Bankfull Elevation (ft) 95 . 57 95 . 57 95 . 57 Floodprone width (ft) 18 . 2 Bankfull width (ft) 5 . 12 2 . 56 2 . 57 Entrenchment Ratio 3 . 55 Mean Depth (ft) 0. 79 0. 74 0. 85 Maximum Depth (ft) 1. 25 1. 17 1. 25 Width/Depth Ratio 6.48 3 .48 3 .02 Bankfull Area (sq ft) 4.06 1. 88 2 . 18 Wetted Perimeter (ft) 6. 11 4.03 4.41 Hydraulic Radius (ft) 0. 67 0.47 0.49 Begin BKF Station 14 . 51 14 . 51 17 .07 End BKF Station 19 . 64 17 .07 19 . 64 Entrainment Calculations Entrainment Formula: Rosgen Modified Shields Curve Channel Left side Right side Slope 0 0 0 Shear Stress (lb/sq ft) Movable Particle (mm) S200 S OF 1-40, ABOVE CROSSING - XS5 O Ground Points •Bankfull Indicators V Water Surface Points Wbkf = 5.72 Dbkf = .79 Abkf = 4.06 100 98 96 O O W 94 92 90 0 5 10 15 20 25 Horizontal Distance (ft) RIVERMORPH CROSS SECTION SUMMARY River Name : Starker Reach Name : S200 Cross Section Name : S200 S OF I-40 , BELOW CROSSING Survey Date : 07/14/2020 Cross Section Data Entry BM Elevation : 1 ft Backsight Rod Reading : 100 ft TAPE FS ELEV NOTE 0 5 . 16 95 . 84 LPin 2 . 8 5 . 17 95 . 83 4 . 8 5 . 54 95 .46 7 5 . 5 95 . 5 8 5 . 67 95 . 33 9 6. 15 94 . 85 10. 3 6. 91 94 .09 11. 2 7 . 82 93 . 18 FIELD BKFL 11. 6 7 . 91 93 .09 BKF 11. 8 8 . 92 92 .08 LEW 13 9 .01 91. 99 14 . 7 8 . 86 92 . 14 15 . 9 8 . 95 92 .05 17 . 1 8 . 73 92 . 27 REW 17 .4 8 . 67 92 . 33 17 . 7 8 .04 92 . 96 18 . 8 7 . 89 93 . 11 BKFL 19 . 8 7 . 37 93 . 63 20. 8 7 .03 93 . 97 22 . 2 6. 5 94 . 5 23 . 7 5 . 55 95 .45 26 5 . 14 95 . 86 30 5 .08 95 . 92 RPin Cross Sectional Geometry Channel Left Right Floodprone Elevation (ft) 94 . 21 94 . 21 94 . 21 Bankfull Elevation (ft) 93 . 1 93 . 1 93 . 1 Floodprone Width (ft) 11. 34 Bankfull Width (ft) 7 . 17 3 . 55 3 . 62 Entrenchment Ratio 1. 58 Mean Depth (ft) 0. 83 1 0. 66 Maximum Depth (ft) 1. 11 1. 11 1.05 Width/Depth Ratio 8 . 64 3 . 56 5 .48 Bankfull Area (sq ft) 5 . 92 3 . 54 2 . 38 Wetted Perimeter (ft) 8 .45 5 . 39 5 .04 Hydraulic Radius (ft) 0. 7 0. 66 0.47 Begin BKF Station 11. 56 11. 56 15 . 11 End BKF Station 18 . 73 15 . 11 18 . 73 Entrainment Calculations Entrainment Formula: Rosgen Modified Shields Curve Channel Left side Right side Slope 0 0 0 Shear Stress (lb/sq ft) Movable Particle (mm) S200 S OF 1-40, BELOW CROSSING 0 Ground Points •Bankfull Indicators ♦Water Surface Points Wbkf = 7.17 Dbkf = .83 Abkf = 5.92 96 C 1 95 / 94 „ Q II C 0 > l 93 W rJ 92— G 91 90 0 10 20 30 40 Horizontal Distance (ft) S100 (North of 1-40) �00 90 30 70 `m 60 LL W U 50 40 30 20 10 0 0.01 0.1 1 10 100 1000 10000 Particle Size(mm) S100 (South of 1-40) 100 - - - 90 80 70 1 ir-11(elk--"11----i—iik---7 N c 60 it C O1 U 50 a0) 40 30 20 10 0 0.01 0.1 1 10 100 1000 1000o Particle Size(elm) S200 (North of 1-40) 00 - - - 00 00 `m 50 OL C N 50 Ul a 40 30 20 10 DD, 0.1 1 10 100 1000 10000 Particle Size(mm) S200 (South of 1-40, below crossing) as - - - - - 90 00 60 lL U 0 a 40 30 20 10 0 001 0.1 1 10 100 1000 10000 Particle Size(mm) HYDRIC SOIL & SITE INVESTIGATION Hunsucker Tract Catawba County, North Carolina Prepared for: Ecosystem Planning & Restoration 559 Jones Franklin Road, Suite 150 Raleigh, NC 27606 Prepared by: *Apr— .01, It li # Tr" fi le 7/ J tiP 324 Blackwell Street, Suite 1200 Durham, NC 27701 (919) 732-1300 ..co SOIL sr, A: 1r s."'41*-=''4:°0 '.f.4 • 0—,Z ti ; 1219 Michael G. Wood January 3, 2019 INTRODUCTION Ecosystem Planning & Restoration (EPR) is investigating the feasibility of stream and riparian wetland mitigation within the Catawba River Basin. The project site was accessed from Rock Barn Road, Catawba County, NC. Three Oaks Engineering (Three Oaks) has been retained to perform a Hydric Soil & Site Investigation that describes and classifies the soil within the study area to make a determination as to its present and/or past hydric status. The Study Area is a 1.18-acre wetland delineated by EPR that is a lightly wooded pasture adjacent to a UT to Mull Creek. The UT is mostly incised. METHODOLOGY Prior to performing the evaluation, NRCS soil maps and USGS topographic maps were reviewed. The field investigation was performed on October 12, 2018, by Michael G. Wood, LSS. Soils were evaluated via hand-turned soil auger borings. Each boring was classified based on soil characteristics indicating the hydric soil status. Boring locations were located with a GPS Unit with sub-meter accuracy and are shown on the attached figure. Hydric soil status is based upon the NRCS Field Indicators of Hydric Soils in the United States -A Guide for Identifying and Delineating Hydric Soils (Version 8.1, 2017). RESULTS Two (2) soil borings were advanced within the Study Area (Figure 1), both of which had colluvium material from the surrounding uplands that washed in from anthropogenic activities. The amount of colluvium varied from 8-13 inches. The colluvium material in both borings was determined to be hydric. The original soil below the colluvium also was determined to have been hydric. In all cases, hydric soil indicator F3 Depleted Matrix was the best match. F3 Depleted Matrix. A layer that has a depleted matrix with 60 percent or more chroma 2 or less that has a minimum thickness of either: a. 5 cm (2 inches) if the 5 cm starts at a depth of<10 cm (4 inches) from the soil surface, or b. 15 cm (6 inches), starting at a depth of<25 cm (10 inches) from the soil surface. CONCLUSION Borings 1 and 2 are prime candidates for wetland rehabilitation. It is anticipated that through removal of the cattle, raising the stream level, limited soil alterations, and re-vegetation, the hydrology will be restored and allow the wetland to regain its normal functions. Hunsucker Tract Hydric Soil&Site Investigation January 3, 2019 Three Oaks Job 18-795 1 The findings presented herein represent Three Oaks' professional opinion based on our Hydric Soil & Site Investigation and knowledge of the current regulations regarding wetland mitigation in North Carolina and national criteria for determining hydric soil. Hunsucker Tract Hydric Soil&Site Investigation January 3, 2019 Three Oaks Job 18-795 2 • 1 .: S P' 1$10iet ,,. h ._•' ; • . . \ r, ir1 I. ' -C.` w i • •rQ` .. . a . . B2 ■ ...41 _ ., . _ . . _ 4., , • it, .. ,. k - 1.18 Acres - - Ilk Soil Borings �` ti r • a- - -- _ j Existing Wetlands .)k - -NC gfo?Get grap e nt'Am• .c kEER,NG D January2019 Figure - 1 c Hydric Soil Investigation ° "ww�,� Scaly: 0 25 50 Feet 4 �`b 1 1 agirl& Q "" �� Hunsucker Farm Job No: 1 4433$6a Catawba County,North Carolina Drawn By Checked By ETM MGIN NC DWQ Stream Identification Form Version 4.11 Date: 1-(1412026) Project/Site:5-1191/ /5f' 0 Latitude:25 q-Z(QQ 2(.,:, Evaluator: 76,..S2nic /7p12- �County: Cap,.4.4).? Longitude: - Sl.pszt_ Total Points: Stream Determination(ci Other i Stream is at least intermittent 5. Ephemeral Intermitten Perennia e.g. Quad Name:I V rt,Afi 7f') if?19 orperennial if>_30* A. Geomorphology (Subtotal = /2 .3 } Absent Weak Moderate Strong la Continuity of channel bed and bank 0 1 2 03. 2. Sinuosity of channel along thalweg 0 1 2) 3 3. In-channel structure:ex. riffle-pool, step-pool, 0 1 2 ripple-pool sequence 4. Particle size of stream substrate 0 1 2 5.Active/relict floodplain 0 1 2 Cd333 6. Depositional bars or benches 0 1 '2 3 7. Recent alluvial deposits (0. 1 2 3 8. Headcuts 0 ( 2 3 9. Grade control 1� 5 1 1.5 10.Natural valley 0 0.5 1 15 11.Second or greater order channel ; No=0 Yes=3 a artificial ditches are not rated;see discussions in manual B. Hydrology (Subtotal = 0 ) 12. Presence of Baseflow 0 1 2 tS 13. Iron oxidizing bacteria 0 6 2 3 14. Leaf litter (i 1 0.5 0 . 15.Sediment on plants or debris _ 0 0 . 1.5 16.Organic debris lines or piles 0 !0. 1 1.5 17.Soil-based evidence of high water table? No=0 I Yes=3 . C. Biology (Subtotal = c',„ ) 18. Fibrous roots in streambed 2 1 0 19. Rooted upland plants in streambed (3 - 2 1 0 20. Macrobenthos(note diversity and abundance) 0 1 3 21.Aquatic Mollusks C. 1 2 3 22. Fish 0 07§ 1 1.5 23.Crayfish . 0 '0.5 1 1.5 24.Amphibians 0' 0.5 1 1.5 25.Algae �Vl 0.5 1 1.5 26.Wetland plants in streambed FACW=0.75; OBL= 1.5 Other=0 *perennial streams may also be identified using other methods.See p.35 of manual. "'--- Notes: Ca ci4f/Ae ?? (c._-- . i��), t,Y, e 66 rr,bc tt Sketch: S101 _ NC DWQ Stream Identification Form Version 4.11 Date: 61, 1 fi / Project!Site: ,.1,0 6-A,, Latitude: 2 > "7 1267.5- Evaluator: f2_ County: Ca ) Longitude: -,z( ,\to 7 73 2_ TotalPoints; Stream Dete ' ioircle one) Other Stream is at least intermittent Ephemeral intermittent erennial e.g. Quad Name: if?19 or perennial if?30' A. Geomorphology (Subtotal = ) _ Absent Weak Moderate Strong 12 Continuity of channel bed and bank 0 1 _ 2 0 2. Sinuosity of channel along thalweg 0 1 0 3 1- 3. In-channel structure:ex.riffle-pool, step-pool, 0 1 0 w 3 ripple-pool sequence 4. Particle size of stream substrate 0 1 (2-) 3 5.Active/relict floodplain 0 (t) 2 3 6. Depositional bars or benches (0) 1 2 3 7. Recent alluvial deposits 0 [ 13 2 3 8. Headcuts ® 2 3 9. Grade control 0 (4.5 1 1.5 10. Natural valley 0 -- 5) 1 1.5 11.Second or greater order channel _ No Yes=3 artificial ditches are not rated;see discussions in manual B. Hydrology (Subtotal = .) 12. Presence of Baseflow 0 1 3 13. Iron oxidizing bacteria 0 1 - 2 (, 14. Leaf litter 1.5 1 0.5 0 15. Sediment on plants or debris - 0 Oaf1 1.5 16. Organic debris lines or piles 0 CO-5,; 1 - 1.5 17.Soil-based evidence of high water table? No=0 ryes=3 C. Biology (Subtotal= __ 7 .) 18. Fibrous roots in streambed 3 2 1 0 19. Rooted upland plants in streambed 3 2 1 0 20. Macrobenthos(note diversity and abundance) 0) 1 2 3 21.Aquatic Mollusks (0;j 1 2 3 22. Fish 0 0.5 i .; 1.5 23. Crayfish 0.5 -1' 1.5 24.Amphibians Q6 0.5 1 1.5 25.Algae ;`4t 0.5 1 1.5 26.Wetland plants in streambed FACW=0.75; OBL= 1.5(Other=Q. "perennial streams may also be identified using other methods.See p.35 of manual. Notes: (� Sketch: 1 1''�t� Aa+ fS� Lio --)1, _ ;N:l d rC i Cie\D rI S �ln r'- . C01 $ fT. -c6 r., `6 P,�u vrd-er k . Up e r 13fl s f 5 t� 13e+ c\�‘ •p,. _ lit-Um 1 SO 4 S i 1a�C\9 )o f Cd. Sei,,,J 50 6 r-i.,f r-�5 S. . q S102 NC DWQ Stream Identification Form Version 4.11 , Date: , 11 1( 1 Project/Site: ' l-tr Latitude: ';e ,-7 2 6 gpo Evaluator: lit" County: .(-+di n Longitude: -2) 1 f 1'$Z( Z_ Total Points: Stream Dete tion-( ircle one) Other Stream is at least intermittent "2I,5 Ephemeral ntermitten Perennial e.g. Quad Name: if?19 or perennial if>_30" ly _A. Geomorphology (Subtotal = � t ) Absent Weak Moderate Strong la.Continuity of channel bed and bank 0 1 2 (3) 2. Sinuosity of channel along thalweg 0 1 3 3. In-channel structure: ex. riffle-pool, step-pool, 0 1 2 3 ripple-pool sequence _ _4. Particle size of stream substrate 0 1_ - 3 5.Active/relict floodplain 0 1 2 3 6. Depositional bars or benches 0 1 2 3 7. Recent alluvial deposits 0 ,„p 2 3 8. Headcuts 0 2 3 9. Grade control 0 1 1.5 10. Natural valley 0 '.5 1 1.5 11. Second or greater order channel i No=0 Yes=3 a artificial ditches are not rated;see discussions in manual --''" B. Hydrology (Subtotal = l ._-. ) 12_ Presence of Baseflow 0 1 .g: 3 13. Iron oxidizing bacteria 0,, (1) 2 3 T 14. Leaf litter 1 0.5 0 15. Sediment on plants or debris 0 (I3,6 1 1.5 16. Organic debris lines or piles (6.) 0.5 1 ___ 1.5 17.Soil-based evidence of high water table? No=0 ('e C. Biology (Subtotal= 2'. _18. Fibrous roots in streambed 3 2 1 0 19. Rooted upland plants in streambed 3 1 0 20. Macrobenthos(note diversity and abundance) 2 3 21.Aquatic Mollusks 1 2 3 f 22. Fish 0.5 1 1.5 23. Crayfish 0 0.5 1.5 24.Amphibians 0 0,5. 1 1.5 25.Algae 0 (0 ' 1.5 26.Wetland plants in streambed FACW=0.75; OBL=1.(0; i . *perennial streams may also be identified using other methods.See p.35 of manual. Notes: Sketch: 5/..L,0t 5p -T`-0( 4W-"I"} Co tit r PO . A C go' ... cer 41, coAc(,,,e c, , (' tk ' exceol r how Om pc _ 'till i,,}a4ccli`2r t ( { ( 'C"C �git $(ow S to 0 son rill�J� ����. cam'`-s .l NC DWQ Stream Identification Form Version 4.11 Date: ir I [�2D Project/Site: yte,•(S/0 3 Latitude: 3S, .42 i+- [ County: Longitude: _ 2 I3 (61 Evaluator: �, T7jm� t� ��LCo��}-�1�J,�� L Total Points: Stream Determine ' ircle one) Other Stream is at least intermittent 2_Z Ephemera' Intermittent erennial e.g. Quad Name: /.)f!tek.)11 it z 19 or perennial if>30* - A. Geomorphology (Subtotal = (2.5 ) Absent Weak Moderate Strong 1'Continuity of channel bed and bank 0 1 2 73 2. Sinuosity of channel along thalweg 0 1 2 I3 3. In-channel structure:ex. riffle-pool, step-pool, 0 0 2 3 ripple-pool sequence 4. Particle size of stream substrate 0 1 0 3 5.Active/relict floodplain 1 2 3 6. Depositional bars or benches 0` 1 2 3 7. Recent alluvial deposits 0. 1 2 3 8. Headcuts 0 1 2 '3) 9.Grade control '0`` 0.5 1 1.5 10.Natural valley 0 - ,0 1 1.5 11.Second or greater order channel No=0.*" Yes=3 a artificial ditches are not rated;see discussions in manual B. Hydrology (Subtotal = 2. ) 12.Presence of Baseflow 0 1 (2 3 13. Iron oxidizing bacteria r"" 1 2 3 14. Leaf litter :1.5' 1 0.5 0 15.Sediment on plants or debris 9, 0.5 1 1.5 16. Organic debris lines or piles 0 _ 0.5 1 1.5 17. Soil-based evidence of high water table? 'No=1 Yes= 3 C. Biology (Subtotal = t 7 ) 18. Fibrous roots in streambed !3) 2 1 0 19. Rooted upland plants in streambed 3; 2 1 0 20.Macrobenthos(note diversity and abundance) 0 1 2 3 21.Aquatic Mollusks (0 1 2 3 22. Fish 0.5 1 1.5 23. Crayfish 0.5 1 1.5 T 24.Amphibians 0 0.5 1 1.5 25.Algae ,'0 0.5 1 1.5 26.Wetland plants in streambed FACW=0.75; OBL= 1.5 !Other0 *perennial streams may also be identified using other methods.See p.35 of manual. r Notes: f_l.r.,e_i1 r oe-P(jr-a 2- t i7ff Jf 1(Ci -.60,40; Ji e_.,,A 101,A)03 C.ns-4..ir�7)Y NV-0/1 1 s.r Sketch: NC DWQ Stream Identification Form Version 4.11 Date: 71/41,0 zo Project/Site:Si-2y (SZ(-r) Latitude: j, 3-22431 Evaluator: A- TPDez��fPg County: cf.,4.7?AJby Longitude: - (- ,`3257_ Total Points: JJ Stream Determination(cir Other !`}} Stream is at least intermittent e- if>_19 or perennial if?30* ��� Ephemeral Intermittent Perennial e.g. Quad Name: it)tivof or) A. Geomorphology (Subtotal = I;. ` ) Absent Weak Moderate Strong la Continuity of channel bed and bank 0 1 269 2. Sinuosity of channel along thalweg 0 2 3 3. In-channel structure: ex. riffle-pool, step-pool, 0 1 1 J 3 ripple-pool sequence ` s 4. Particle size of stream substrate 0 1 2 5.Active/relict floodplain 0 0 2 6. Depositional bars or benches 0 0 2 3 7. Recent alluvial deposits 0 1 2 3 8. Headcuts 0 1 3 9. Grade control 0 0.5 (1. 1.5 10. Natural valley 0 0.5 1 1.5 11. Second or greater order channel T:3Yes= 3 a artificial ditches are not rated:see discussions in manual B. Hydrology (Subtotal = cl. 5 ) 12. Presence of Baseflow 0 1 2 V 3 13. Iron oxidizing bacteria 0 1 0 3 14. Leaf litter f 1.5) 1 0.5 0 15. Sediment on plants or debris _ 0.5 1 1.5 16. Organic debris lines or piles 0 .5 _ 1 1.5 17. Soil-based evidence of high water table? No=0 (Yes=3) C. Biology (Subtotal = -4- ) 18. Fibrous roots in streambed 3 2 1 0 19. Rooted upland plants in streambed 3 1 0 20. Macrobenthos(note diversity and abundance) 0 1 2 3 21.Aquatic Mollusks (6 } 0 1 2 3 22. Fish 0.5 1 1.5 23. Crayfish 0 00. 1 1.5 24.Amphibians 0, 1 1.5 25.Algae C) 1_._,-_, 1.5 26.Wetland plants in streambed FACW=0.75; OBL= 1.5 Other= *perennial streams may also be identified using other methods.See p.35 of manual. Notes: 34,le 4- - r r9vnV,Qw,:-fc.K. VI,ihf airlk-+ lo,r n rr A/c�,, Jrnelvfiv i C tit vc..e-fr- / vu- heoirrt ' 54-r,e . 33 2t ti � -4 _c-, rofL. ki 1-r . Sketch: Appendix C- Site Analysis Data WLS Catawba 01 Umbrella Mitigation Bank Starker Mitigation Site Bankfull Area Regional Curve Data Sediment Transport Calculations Sediment Analysis BANKFULL AREA REGIONAL CURVE DATA STARKER MITIGATION PROJECT Drainage Area X-Sectional Area Reference (Sq.Mi.) (SF) 0.2 10.4 1.05 15.8 3.44 45.6 4.7 46.7 6.5 62.5 Harman, W.H. et al. 1999. Bankfull Hydraulic Geometry 7.18 98.8 Relationships for North Carolina Streams. AWRA 9.6 89.6 Wildland Hydrology Symposium Proceedings. Edited by: 15.5 194 D.S. Olsen and J.P. Potyondy . AWRA Summer Symposium. Bozeman, MT. 29.9 162 31.8 195 42.8 469 78.8 377 128 578 4 37.7 5 47.3 Harman, W.H. 2012. Revised Curve for Piedmont Rural 17 127.2 Streams using Surry County Projects. 17.5 117.4 0.02 2.9 Reference Reach - UT to Little Fisher River- Riffle 1 0.02 1.7 Reference Reach - UT to Little Fisher River- Riffle 2 0.14 5.8 Reference Reach - UT to Pauls Creek - Riffle 1 0.09 2.6 0.30 6.7 0.39 7 0.01 0.4 Starker Mitigation Project Existing Conditions 0.02 0.8 0.13 4.7 0.18 3.6 0.26 5.9 0.09 3.0 0.30 7.0 0.39 8.0 0.01 0.4 Starker Mitigation Project Proposed Conditions 0.02 0.8 0.13 4.0 0.18 4.0 0.26 6.0 BAN KFU LL AREA Regional Curve for Bankfull Characteristics in Rural Piedmont, NC 1000 y = 21.43x0.68 III + y = 15.886xo.7432 161 100 + Cl) c a) L 10 + • S100-Existing Conditions m • S200-Existing Conditions ♦ Proposed Conditions • + Revised Regional Curve Data • • Reference-UT to Little Fisher River Reference-UT to Pauls Creek -Power(Rural Piedmont NC(Harman et al., 1999)) -Power(Revised Curve-2012) 1 I 1 1 1 11 I 1 1 , 1 0.01 0.1 1 10 100 1000 Watershed Area (Sq. Mi.) Worksheet 3-14. Sediment competence calculation form to assess bed stability. Stream: SMS -S100 N OF 1-40,ABOVE CROSSING Stream Type: Location: Valley Type: Observers: RM and AD Date: 7/14/2020 Enter Required Information for Existing Condition 30.0 D 50 Median particle size of riffle bed material (mm) 17.5 "50 Median particle size of bar or sub-pavement sample(mm) 304.8 0.115 D max Largest particle from bar sample (ft) 35 (mm) mm/ft mm/ft 0.01200 S Existing bankfull water surface slope(ft/ft) 0.43 d Existing bankfull mean depth (ft) 1.65 y5-7/7 Immersed specific gravity of sediment Select the Appropriate Equation and Calculate Critical Dimensionless Shear Stress 1.71 D50/D50 Range: 3-7 Use EQUATION 1: 't = 0.0834 ( D50/D50) -0.872 1.17 D max/D 50 Range: 1.3-4.0 Use EQUATION 2: T* = 0.0384 (D max/D 50)—o 887 0.033 1r* Bankfull Dimensionless Shear Stress EQUATION USED: Calculate Bankfull Mean Depth Required for Entrainment of Largest Particle in Bar Sample p *(Y -1)Dmax 0.53 d Required bankfull mean depth(ft) d= �T S (use D max in ft) Calculate Bankfull Water Surface Slope Required for Entrainment of Largest Particle in Bar Sample 2 (YS-1)Dmax 0.01474 S Required bankfull water surface slope(ft/ft) S= (use D max in ft) d Check: f- Stable . Aggrading r- Degrading Sediment Competence Using Dimensional Shear Stress 0.322 Bankfull shear stress 'G =ydS(lbs/ft2)(substitute hydraulic radius, R,with mean depth, d) Y= 62.4, d=existing depth, S=existing slope Shields CO 23.94 66.06 Predicted largest moveable particle size(mm)at bankfull shear stress t (Figure 3-11) Shields CO 0.464 0.136 Predicted shear stress required to initiate movement of measured Dmax(mm)(Figure 3-11) Shields co Predicted mean depth required to initiate movement of measured Dmax(mm) d= Z T= 0.62 0.18 predicted shear stress,y=62.4, S=existing slope yS Shields co Predicted slope required to initiate movement of measured D max(mm) _ r t=predicted 0.0173 0.0051 S shear stress,y=62.4, d=existing depth Yd Check: P Stable I— Aggrading r- Degrading Copyright©2008 Wildland Hydrology River Stability Field Guide page 3-101 Worksheet 3-14. Sediment competence calculation form to assess bed stability. Stream: SMS - S100 S OF 1-40 Stream Type: Location: Valley Type: Observers: RM and AD Date: 7/14/2020 Enter Required Information for Existing Condition 21.9 D 50 Median particle size of riffle bed material (mm) 3.0 '•'50 Median particle size of bar or sub-pavement sample (mm) 304.8 0.102 D max Largest particle from bar sample (ft) 31 (mm) mm/ft m m/ft 0.00600 S Existing bankfull water surface slope (ft/ft) 1.17 d Existing bankfull mean depth (ft) 1.65 ys-y!y Immersed specific gravity of sediment Select the Appropriate Equation and Calculate Critical Dimensionless Shear Stress 7.22 Dso/Dso Range: 3—7 Use EQUATION 1: i* = 0.0834 ( D50ID50) -0.872 1.42 D max/D 50 Range: 1.3—4.0 Use EQUATION 2: t* = 0.0384 (D max/D 50) _0 887 0.028 T* Bankfull Dimensionless Shear Stress EQUATION USED: 2 Calculate Bankfull Mean Depth Required for Entrainment of Largest Particle in Bar Sample *(y -1)Dmax S 0.79 d Required bankfull mean depth (ft) d= (use Dmax in ft) Calculate Bankfull Water Surface Slope Required for Entrainment of Largest Particle in Bar Sample 0.00404 S Required bankfull water surface slope (ft/ft) S= (YS -1)Dmax (use D max in ft) d Check: I— Stable I— Aggrading I— Degrading Sediment Competence Using Dimensional Shear Stress 0.438 Bankfull shear stress 'r =ydS (lbs/ft2) (substitute hydraulic radius, R, with mean depth, d ) Y= 62.4, d = existing depth, S = existing slope Shields CO 32.99 82.84 Predicted largest moveable particle size (mm)at bankfull shear stress i (Figure 3-11) Shields CO 0.413 0.115 Predicted shear stress required to initiate movement of measured D max (mm) (Figure 3-11) Shields CO Predicted mean depth required to initiate movement of measured D max (mm) 1- 1.10 0.31 'r = predicted shear stress, 7= 62.4, S = existing slope d YS Shields CO Predicted slope required to initiate movement of measured Dmax (mm) Z 0.0057 0.0016 'r = predicted shear stress, 7= 62.4, d = existing depth S yd Check: r Stable I— Aggrading I— Degrading Copyright©2008 Wildland Hydrology River Stability Field Guide page 3-101 Worksheet 3-14. Sediment competence calculation form to assess bed stability. Stream: SMS -S200 S OF 1-40, BELOW CROSSING Stream Type: Location: Valley Type: Observers: RM and AD Date: 7/14/2020 Enter Required Information for Existing Condition 15.9 D 50 Median particle size of riffle bed material (mm) 3.8 D 50 Median particle size of bar or sub-pavement sample (mm) 304.8 0.171 D max Largest particle from bar sample (ft) 52 (mm) mm/ft mm/ft 0.00400 S Existing bankfull water surface slope (ft/ft) 0.83 d Existing bankfull mean depth (ft) 1.65 ys-y/y Immersed specific gravity of sediment Select the Appropriate Equation and Calculate Critical Dimensionless Shear Stress 4.23 D50/D50 Range: 3-7 Use EQUATION 1: ti* = 0.0834 ( D50/D50) -0.872 3.28 D maxi 50 Range: 1.3-4.0 Use EQUATION 2: i = 0.0384 (D max/D 50) -0.887 0.024 T* Bankfull Dimensionless Shear Stress EQUATION USED: 1 Calculate Bankfull Mean Depth Required for Entrainment of Largest Particle in Bar Sample {. *(yS—1)Dmax 1.67 d Required bankfull mean depth (ft) d= (use D max in ft) Calculate Bankfull Water Surface Slope Required for Entrainment of Largest Particle in Bar Sample 2 1) -1 Dmax 0.00805 S Required bankfull water surface slope (ft/ft) $= (`S ) (use D max in ft) d Check: r Stable I— Aggrading r Degrading Sediment Competence Using Dimensional Shear Stress 0.207 Bankfull shear stress 'C =ydS(lbs/ft2)(substitute hydraulic radius, R,with mean depth, d ) Y=62.4, d =existing depth, S=existing slope Shields CO 15.12 47.76 Predicted largest moveable particle size (mm)at bankfull shear stress i (Figure 3-11) Shields CO 0.678 0.233 Predicted shear stress required to initiate movement of measured Dmax(mm) (Figure 3-11) Shields CO Predicted mean depth required to initiate movement of measured D max(mm) _ 2.72 0.93 = predicted shear stress,y=62.4, S =existing slope d yS Shields co Predicted slope required to initiate movement of measured D max(mm) 2 T = 0.0131 0.0045 S_ predicted shear stress,y=62.4, d =existing depth yd Check: IT Stable r Aggrading r Degrading Copyright©2008 Wildland Hydrology River Stability Field Guide page 3-101 Worksheet 3-14. Sediment competence calculation form to assess bed stability. Stream: SMS -S100 N OF 1-40,ABOVE CROSSING Stream Type: Location: Valley Type: Observers: RM and AD Date: 7/14/2020 Enter Required Information for Existing Condition 30.0 D 50 Median particle size of riffle bed material (mm) 17.5 "50 Median particle size of bar or sub-pavement sample(mm) 304.8 0.115 D max Largest particle from bar sample (ft) 35 (mm) mm/ft mm/ft 0.01500 S Proposed bankfull water surface slope(ft/ft) 0.46 d Proposed bankfull mean depth (ft) 1.65 y5-7/7 Immersed specific gravity of sediment Select the Appropriate Equation and Calculate Critical Dimensionless Shear Stress 1.71 D50/D50 Range: 3-7 Use EQUATION 1: 't = 0.0834 ( D50/D50) -0.872 1.17 D max/D 50 Range: 1.3-4.0 Use EQUATION 2: T* = 0.0384 (D max/D 50)—o 887 0.033 1r* Bankfull Dimensionless Shear Stress EQUATION USED: Calculate Bankfull Mean Depth Required for Entrainment of Largest Particle in Bar Sample p *(Y -1)Dmax 0.42 d Required bankfull mean depth(ft) d= �T S (use D max in ft) Calculate Bankfull Water Surface Slope Required for Entrainment of Largest Particle in Bar Sample 2 (YS-1)Dmax 0.01378 S Required bankfull water surface slope(ft/ft) S= (use Dmax in ft) d Check: f- Stable . Aggrading r- Degrading Sediment Competence Using Dimensional Shear Stress 0.431 Bankfull shear stress 'G =ydS(lbs/ft2)(substitute hydraulic radius, R,with mean depth, d) Y= 62.4, d=existing depth, S=existing slope Shields CO 32.4 81.8 Predicted largest moveable particle size(mm)at bankfull shear stress ti (Figure 3-11) Shields CO 0.464 0.136 Predicted shear stress required to initiate movement of measured Dmax(mm)(Figure 3-11) Shields co Predicted mean depth required to initiate movement of measured Dmax(mm) d= Z T= 0.50 0.15 predicted shear stress,y=62.4, S=existing slope yS Shields co Predicted slope required to initiate movement of measured D max(mm) = r t=predicted 0.0162 0.0047 S shear stress,y=62.4, d=existing depth Yd Check: I— Stable I— Aggrading r- Degrading Copyright©2008 Wildland Hydrology River Stability Field Guide page 3-101 Worksheet 3-14. Sediment competence calculation form to assess bed stability. Stream: SMS - S100 S OF 1-40 Stream Type: Location: Valley Type: Observers: RM and AD Date: 7/14/2020 Enter Required Information for Existing Condition 21.9 D 50 Median particle size of riffle bed material (mm) 3.0 '•'50 Median particle size of bar or sub-pavement sample (mm) 0.102 D max Largest particle from bar sample (ft) 31 (mm) 304.8 mm/ft 0.00900 S Proposed bankfull water surface slope (ft/ft) 0.76 d Proposed bankfull mean depth (ft) 1.65 ys-y!y Immersed specific gravity of sediment Select the Appropriate Equation and Calculate Critical Dimensionless Shear Stress 7.22 Dso/Dso Range: 3—7 Use EQUATION 1: i* = 0.0834 ( D50/D50) -0.872 1.42 D max/D 50 Range: 1.3—4.0 Use EQUATION 2: t* = 0.0384 (D max/D 50) _0 887 0.028 T* Bankfull Dimensionless Shear Stress EQUATION USED: 2 Calculate Bankfull Mean Depth Required for Entrainment of Largest Particle in Bar Sample *(y -1)Dmax S 0.53 d Required bankfull mean depth (ft) d= (use Dmax in ft) Calculate Bankfull Water Surface Slope Required for Entrainment of Largest Particle in Bar Sample 0.00622 S Required bankfull water surface slope (ft/ft) S= (YS -1)Dmax (use D max in ft) d Check: I— Stable I— Aggrading I— Degrading Sediment Competence Using Dimensional Shear Stress Bankfull shear stress 'r =ydS (lbs/ft2) (substitute hydraulic radius, R, with mean depth, d ) 0.427 Y= 62.4, d = existing depth, S = existing slope Shields CO 32.11 81.27 Predicted largest moveable particle size (mm)at bankfull shear stress i (Figure 3-11) Shields CO 0.413 0.115 Predicted shear stress required to initiate movement of measured D max (mm) (Figure 3-11) Shields CO Predicted mean depth required to initiate movement of measured D max (mm) 1- 0.73 0.20 'r = predicted shear stress, 7= 62.4, S = existing slope d YS Shields CO Predicted slope required to initiate movement of measured Dmax (mm) Z 0.0087 0.0024 'r = predicted shear stress, 7= 62.4, d = existing depth S yd Check: E Stable I— Aggrading I— Degrading Copyright©2008 Wildland Hydrology River Stability Field Guide page 3-101 Worksheet 3-14. Sediment competence calculation form to assess bed stability. Stream: SMS -S200 S OF 1-40, BELOW CROSSING Stream Type: Location: Valley Type: Observers: RM and AD Date: 7/14/2020 Enter Required Information for Existing Condition 15.9 D 50 Median particle size of riffle bed material (mm) 3.8 D 50 Median particle size of bar or sub-pavement sample (mm) 304.8 0.171 D max Largest particle from bar sample (ft) 52 (mm) mm/ft mm/ft 0.00800 S Proposed bankfull water surface slope (ft/ft) 0.65 d Proposed bankfull mean depth (ft) 1.65 ys-pry Immersed specific gravity of sediment Select the Appropriate Equation and Calculate Critical Dimensionless Shear Stress 4.23 D50/D50 Range: 3-7 Use EQUATION 1: ti* = 0.0834 ( D50/D50) -0.872 3.28 D maxi 50 Range: 1.3-4.0 Use EQUATION 2: i = 0.0384 (D maxi 50) —0.887 0.024 T* Bankfull Dimensionless Shear Stress EQUATION USED: 1 Calculate Bankfull Mean Depth Required for Entrainment of Largest Particle in Bar Sample { (y S—1)Dmax 0.83 d Required bankfull mean depth (ft) d= (use D max in ft) Calculate Bankfull Water Surface Slope Required for Entrainment of Largest Particle in Bar Sample 2 *(`1) -1)Dmax 0.01028 S Required bankfull water surface slope (ft/ft) $- S (use D max in ft) d Check: r Stable I- Aggrading r Degrading Sediment Competence Using Dimensional Shear Stress 0.324 Bankfull shear stress 'C =ydS(lbs/ft2)(substitute hydraulic radius, R,with mean depth, d ) Y=62.4, d =existing depth, S=existing slope Shields CO 24.13 66.43 Predicted largest moveable particle size (mm)at bankfull shear stress ti (Figure 3-11) Shields CO 0.678 0.233 Predicted shear stress required to initiate movement of measured Dmax(mm)(Figure 3-11) Shields CO Predicted mean depth required to initiate movement of measured D max(mm) _ 1.36 0.47 = predicted shear stress,y=62.4, S =existing slope d yS Shields co Predicted slope required to initiate movement of measured D max(mm) 2 T = 0.0167 0.0057 S_ predicted shear stress,y=62.4, d =existing depth yd Check: IT Stable r Aggrading r Degrading Copyright©2008 Wildland Hydrology River Stability Field Guide page 3-101 RIVERMORPH PARTICLE SUMMARY River Name : Starker Reach Name : S100 Sample Name : S100 N OF I-40 , ABOVE CROSSING ACTIVE RIFFLE Survey Date : 07/14/2020 Size (mm) TOT # ITEM % CUM 0 - 0.062 0 0.00 0 .00 0.062 - 0 . 125 0 0.00 0 .00 0. 125 - 0 . 25 3 2 . 94 2 . 94 0. 25 - 0. 50 1 0. 98 3 . 92 0. 50 - 1.0 2 1. 96 5 . 88 1.0 - 2 .0 1 0. 98 6 . 86 2 .0 - 4.0 0 0.00 6 . 86 4 .0 - 5 . 7 0 0.00 6 . 86 5 . 7 - 8 .0 0 0.00 6 . 86 8 .0 - 11. 3 0 0.00 6 . 86 11. 3 - 16 . 0 10 9. 80 16. 67 16.0 - 22 . 6 16 15 . 69 32 . 35 22 . 6 - 32 . 0 23 22 . 55 54 . 90 32 - 45 28 27 .45 82 . 35 45 - 64 14 13 . 73 96.08 64 - 90 3 2 . 94 99 .02 90 - 128 1 0. 98 100.00 128 - 180 0 0.00 100.00 180 - 256 0 0.00 100.00 256 - 362 0 0.00 100.00 362 - 512 0 0.00 100.00 512 - 1024 0 0.00 100.00 1024 - 2048 0 0.00 100.00 Bedrock 0 0.00 100.00 D16 (mm) 15 . 68 D35 (mm) 23 . 7 D50 (mm) 29. 96 D84 (mm) 47 . 28 D95 (mm) 62 . 51 D100 (mm) 128 Silt/Clay (%) 0 Sand (%) 6 . 86 Gravel (%) 89. 22 Cobble (%) 3 . 92 Boulder (%) 0 Bedrock (%) 0 Total Particles = 102 . S100 N OF 1-40, ABOVE CROSSING ACTIVE RIFFLE loo 80 d L C) U U) a 40 - - - 20 - . 0 0.1 1 10 100 1000 10000 Particle Size(mm) S100 N OF 1-40,ABOVE CROSSING SIEVE ANALYSIS 100- s0 c so U N a 40 - - 20 0 10 100 Particle Size(mm) RIVERMORPH PARTICLE SUMMARY River Name : Starker Reach Name : S100 Sample Name : S100 S OF I-40-XS1 US ACTIVE RIFFLE Survey Date : 07/14/2020 Size (mm) TOT # ITEM % CUM 0 - 0.062 0 0.00 0 .00 0.062 - 0 . 125 0 0.00 0 .00 0. 125 - 0 . 25 1 0. 88 0 . 88 0. 25 - 0. 50 4 3 . 54 4 .42 0. 50 - 1.0 4 3 . 54 7 . 96 1.0 - 2 .0 0 0.00 7 . 96 2 .0 - 4.0 0 0.00 7 . 96 4 .0 - 5 . 7 0 0.00 7 . 96 5 . 7 - 8 .0 1 0. 88 8 . 85 8 .0 - 11. 3 8 7.08 15 . 93 11. 3 - 16 . 0 18 15 . 93 31. 86 16.0 - 22 . 6 23 20 . 35 52 . 21 22 . 6 - 32 . 0 26 23 .01 75 . 22 32 - 45 11 9. 73 84 . 96 45 - 64 5 4.42 89 . 38 64 - 90 6 5 . 31 94 . 69 90 - 128 6 5 . 31 100.00 128 - 180 0 0.00 100.00 180 - 256 0 0.00 100.00 256 - 362 0 0.00 100.00 362 - 512 0 0.00 100.00 512 - 1024 0 0.00 100.00 1024 - 2048 0 0.00 100.00 Bedrock 0 0.00 100.00 D16 (mm) 11. 32 D35 (mm) 17 .02 D50 (mm) 21. 88 D84 (mm) 43 . 72 D95 (mm) 92 . 22 D100 (mm) 128 Silt/Clay (%) 0 Sand (%) 7 . 96 Gravel (%) 81.42 Cobble (%) 10. 62 Boulder (%) 0 Bedrock (%) 0 Total Particles = 113 . S100 S OF I-40-XS1 US ACTIVE RIFFLE 100 - - - - - - 80 d It c a) • U U) a 40 - - - 20 - • 0 0.1 1 10 100 1000 10000 Particle Size(mm) S100 S OF 1-40 SIEVE ANALYSIS 100 80 c so L C U 0) a 40 - 20 0 10 100 Particle Size(mm) RIVERMORPH PARTICLE SUMMARY River Name : Starker Reach Name : S200 Sample Name : S200 S OF I-40 , ABOVE CROSSING XS5 ACTIVE RIFFLE Survey Date : 07/14/2020 Size (mm) TOT # ITEM % CUM 0 - 0. 062 0 0.00 0 .00 0 .062 - 0 . 125 0 0.00 0 .00 0 . 125 - 0 . 25 0 0.00 0 .00 0 . 25 - 0. 50 12 12 . 00 12 .00 0 . 50 - 1. 0 7 7 .00 19 .00 1.0 - 2 .0 0 0.00 19 .00 2 .0 - 4 .0 1 1.00 20 .00 4 .0 - 5 . 7 4 4 .00 24 .00 5 . 7 - 8 .0 14 14 . 00 38 .00 8 .0 - 11. 3 10 10 . 00 48 .00 11. 3 - 16 . 0 18 18 . 00 66 .00 16. 0 - 22 . 6 14 14 . 00 80 .00 22 . 6 - 32 . 0 12 12 . 00 92 .00 32 - 45 7 7 .00 99 .00 45 - 64 0 0.00 99 .00 64 - 90 1 1.00 100.00 90 - 128 0 0.00 100.00 128 - 180 0 0.00 100.00 180 - 256 0 0.00 100.00 256 - 362 0 0.00 100.00 362 - 512 0 0.00 100.00 512 - 1024 0 0.00 100.00 1024 - 2048 0 0.00 100.00 Bedrock 0 0.00 100.00 D16 (mm) 0 . 79 D35 (mm) 7 . 51 D50 (mm) 11. 82 D84 (mm) 25 . 73 D95 (mm) 37 . 57 D100 (mm) 90 Silt/Clay (%) 0 Sand (%) 19 Gravel (%) 80 Cobble (%) 1 Boulder (%) 0 Bedrock (%) 0 Total Particles = 100. S200 S OF 1-40, ABOVE CROSSING XS5 ACTIVE RIFFLE mo - - - - - — — s0 L C) U 0) a 40 • 0.1 1 10 100 1000 10000 Particle Size(mm) RIVERMORPH PARTICLE SUMMARY River Name : Starker Reach Name : S200 Sample Name : S200 S OF I-40 , BELOW CROSSING-XS3 ACTIVE RIFFLE Survey Date : 07/14/2020 Size (mm) TOT # ITEM % CUM 0 - 0. 062 0 0.00 0 .00 0 .062 - 0 . 125 0 0.00 0 .00 0 . 125 - 0 . 25 8 7 . 92 7 . 92 0 . 25 - 0. 50 4 3 . 96 11. 88 0 . 50 - 1. 0 10 9 . 90 21. 78 1.0 - 2 .0 0 0.00 21. 78 2 .0 - 4 .0 0 0.00 21. 78 4 .0 - 5 . 7 2 1. 98 23 . 76 5 . 7 - 8 .0 4 3 . 96 27 . 72 8 .0 - 11. 3 7 6. 93 34 . 65 11. 3 - 16 . 0 16 15 . 84 50 . 50 16. 0 - 22 . 6 13 12 . 87 63 . 37 22 . 6 - 32 . 0 13 12 . 87 76 . 24 32 - 45 11 10 . 89 87 . 13 45 - 64 7 6. 93 94 .06 64 - 90 4 3 . 96 98 .02 90 - 128 1 0. 99 99 .01 128 - 180 1 0. 99 100.00 180 - 256 0 0.00 100.00 256 - 362 0 0.00 100.00 362 - 512 0 0.00 100.00 512 - 1024 0 0.00 100.00 1024 - 2048 0 0.00 100.00 Bedrock 0 0.00 100.00 D16 (mm) 0 . 71 D35 (mm) 11.4 D50 (mm) 15 . 85 D84 (mm) 41. 26 D95 (mm) 70. 17 D100 (mm) 179. 99 Silt/Clay (%) 0 Sand (%) 21. 78 Gravel (%) 72 . 28 Cobble (%) 5 . 94 Boulder (%) 0 Bedrock (%) 0 Total Particles = 101. S200 S OF 1-40, BELOW CROSSING-XS3 ACTIVE RIFFLE mo — — — — — 80 L C) U 0) a 40 - • 0 0.1 1 10 100 1000 10000 Particle Size(mm) S200 S OF 1-40, BELOW CROSSING SIEVE ANALYSIS 100— 80 c so L C) U 40 - - 20 0 10 100 Particle Size(mm) Appendix D- Site Protection Instrument WLS Catawba 01 Umbrella Mitigation Bank Starker Mitigation Site Agent Authorization Forms Long-term Steward Engagement Letter Conservation Easement Template WATER & LAND SOLUTION 7721 SIX FORKS ROAD, SUITE 130, RALEIGH, NC 2761; (919)614-5111 I waterlondsolutions.com AGENT AUTHORIZATION FORM PROPERTY LEGAL DESCRIPTION: DEED BOOK 2785 PAGE NO. 1153 PARCEL ID: 375210364087 STREET ADDRESS: 3223 John Daniel Road, Conover NC DEED BOOK 2785 PAGE NO. 1148 PARCEL ID: 375219523168 STREET ADDRESS: 3 tracts off E 140, Conover NC DEED BOOK 3269 PAGE NO. 1875 PARCEL ID: 375215732614 STREET ADDRESS: 31.70 acres off E 140, Claremount NC DEED BOOK 3269 PAGE NO. 1875 PARCEL ID: 375216831456 STREET ADDRESS: 3069 Peach Tree Street Ext, Claremount NC DEED BOOK 3068 PAGE NO. 571 PARCEL ID: 375215534132 STREET ADDRESS: 3 tracts off E 140, Conover NC DEED BOOK 2785 PAGE NO. 1163 PARCEL ID: 375211558910 STREET ADDRESS: 3728 Rock Barn Road NE, Conover NC 4 WATER & LAND SOLUTION: 7721 SIX FORKS ROAD, SUITE 130, RALEIGH, NC 27615 (919)614-5111 I waterlandsolutions.com Please Print: Property Owner: Hunsucker Legacy Farms, LLC/dba Hunsucker Farms, LLC Manager: Dan A. Hunsucker The undersigned,registered property owners of the above noted property, do hereby authorize C V *f -._' , of �a4 GiicA L0rv) _Sou-Lv4 S (Contractor/Agent) (Name of consulting firm) to review my property and to act on my behalf to take all actions necessary for the processing,issuance and acceptance of necessary permits and/or certifications and any and all standard and special conditions attached. This authorization allows the individual to represent on my behalf to the necessary Government agency personnel for the proposed property. Property Owner's Address (if different than property above): 3223 John Daniel Drive NE, Conover, NC 28613 Telephone: 828-312-0102 We hereby certify the above information submitted in this application is true and accurate to the best of our knowledge. Dan nsu':r(Aug 21,2020 16'18 EDT) Authorized Signature Authorized Signature Date: Aug 21, 2020 Date: Page 2 Starker-Landowner Authorization Final Audit Report 2020-08-21 Created: 2020-08-21 By: Catherine Manner(catherine@waterlandsolutions.com) Status: Signed Transaction ID: CBJCHBCAABAAsOgjxhvb8Rf2ebn6QfOX. 7uOiUFQdZzm "Starker-Landowner Authorization" History Document created by Catherine Manner(catherine@waterlandsolutions.com) 2020-08-21 -8:12:33 PM GMT-IP address: 174.108.239.26 Document emailed to Dan hunsucker (dahunsucker@hotmail.com) for signature 2020-08-21 -8:13:24 PM GMT Email viewed by Dan hunsucker (dahunsucker@hotmail.com) 2020-08-21 -8:15:33 PM GMT-IP address:71.81.244.211 Document e-signed by Dan hunsucker(dahunsucker@hotmail.com) Signature Date:2020-08-21 -8:18:14 PM GMT-Time Source:server- IP address:71.81.244.211 Signed document emailed to Dan hunsucker(dahunsucker@hotmail.com) and Catherine Manner (catherine@waterlandsolutions.com) 2020-08-21 -8:18:14 PM GMT Adobe Sign RECORDING REQUESTED BY AND WHEN RECORDED MAIL TO: SPACE ABOVE THIS LINE FOR RECORDER'S USE PERMANENT CONSERVATION EASEMENT THIS CONSERVATION EASEMENT ("Conservation Easement") made this day of , 202 by and between ("Grantor") and _ ("Grantee"). The designation Grantor and Grantee as used herein shall include said parties, their heirs, successors and assigns, and shall include singular, plural, masculine, feminine or neuter as required by context. RECITALS WHEREAS, Grantor owns in fee simple certain real property situated, lying and being in County, North Carolina, more particularly described in Exhibit A attached hereto and incorporated herein (the "Property"); WHEREAS, Grantee is a charitable, not-for-profit or educational corporation, association, or trust qualified under § 501 (c)(3) and § 170 (h) of the Internal Revenue Code, and N.C. Gen. Stat. § 121-34 et seq., the purposes or powers of which include one or more of the purposes (a) — (d) listed below; (a) retaining or protecting natural, scenic, or open-space aspects of real property; (b) ensuring the availability of real property for recreational, educational, or open-space use; (c) protecting natural resources; (d) maintaining or enhancing air or water quality. WHEREAS, Grantor and Grantee recognize the conservation, scenic, natural, or aesthetic value of the property in its natural state, which includes the following natural communities: [add or delete as appropriate: coastal wetlands, non-riparian wetlands, riparian wetlands, perennial and intermittent streams and riparian buffers]. The purpose of this Conservation Easement is to maintain streams, wetlands and riparian resources and other natural values of approximately acres, more or less, and being more particularly described in Exhibit B attached hereto and incorporated fully herein by reference (the "Conservation Easement Area"), and prevent the use or development of the Conservation Easement Area for any purpose or in any manner that would conflict with the maintenance of its natural condition. WHEREAS, the restoration, enhancement and preservation of the Conservation Easement Area is a condition of the approval of the Mitigation Banking Instrument (MBI) and Mitigation Plan for the Mitigation Bank, Department of the Army (DA)Action ID Number SAW- , entitled "Agreement to Establish the Mitigation Bank in the River Basin within the State of North Carolina", entered into by and between [enter Sponsor name], acting as the Bank Sponsor, and the Wilmington District Corps of Engineers (Corps), in consultation with the North Carolina Interagency Review Team(IRT). The Mitigation Site has been approved by the Corps for use as a mitigation bank to compensate for unavoidable stream and wetland impacts authorized by DA permits. WHEREAS, the restoration, enhancement and preservation of the Conservation Easement Area is also a condition of the approval of the Riparian Buffer and Nutrient Offset Mitigation Banking Instrument(MBI)and Bank Parcel Development Package (BPDP) or Mitigation Plan for the Riparian Buffer and Nutrient Offset Mitigation Bank, North Carolina Division of Water Resources (NCDWR) Project ID# , which was approved by the NCDWR, and will be made and entered into by and between [enter Sponsor name], acting as the Bank Sponsor, and the NCDWR. The Riparian Buffer and Nutrient Offset Site is intended to be used to compensate for riparian buffer and nutrient impacts to surface waters. WHEREAS, Grantor and Grantee agree that third-party rights of enforcement shall be held by the North Carolina Division of Water Resources (NCDWR) and U.S. Army Corps of Engineers, Wilmington District ("Third- Parties," to include any successor agencies), and may be exercised through the appropriate enforcement agencies of the United States and the State of North Carolina, and that these rights are in addition to, and do not limit, the rights of enforcement under the NCDWR Project ID# and the Department of the Army instrument number SAW- ("Mitigation Banking Instrument"), or any permit or certification issued by the Third-Parties. NOW, THEREFORE, for and in consideration of the covenants and representations contained herein and for other good and valuable consideration, the receipt and legal sufficiency of which is hereby acknowledged, Grantor hereby unconditionally and irrevocably grants and conveys unto Grantee, its heirs, successors and assigns, forever and in perpetuity a Conservation Easement of the nature and character and to the extent hereinafter set forth, over the Conservation Easement Area described on Exhibit B, together with the right to preserve and protect the conservation values thereof, as follows: ARTICLE I. DURATION OF EASEMENT This Conservation Easement shall be perpetual. This Conservation Easement is an easement in gross, runs with the land and is enforceable by Grantee against Grantor, Grantor's personal representatives, heirs, successors and assigns, lessees, agents and licensees. ARTICLE II. PROHIBITED AND RESTRICTED ACTIVITIES Any activity on, or use of, the Conservation Easement Area inconsistent with the purpose of this Conservation Easement is prohibited. The Conservation Easement Area shall be preserved in its natural condition and restricted from any development that would impair or interfere with the conservation values of the Conservation Easement Area. Without limiting the generality of the foregoing, the following activities and uses are expressly prohibited, restricted or reserved as indicated hereunder: A. Disturbance of Natural Features. Any change disturbance, alteration or impairment of the natural features of the Conservation Easement Area or any introduction of non-native plants and/or animal species is prohibited. B. Construction. There shall be no constructing or placing of any building, mobile home, asphalt or concrete pavement, billboard or other advertising display, antenna, utility pole, tower, conduit, line, pier, landing, dock or any other temporary or permanent structure or facility on or above the Conservation Easement Area. C. Industrial, Commercial and Residential Use. Industrial, residential and/or commercial activities, including any rights of passage for such purposes are prohibited. D. Agricultural, Grazing and Horticultural Use. Agricultural, grazing, animal husbandry, and horticultural use of the Conservation Easement Area are prohibited. E. Vegetation. There shall be no removal, burning, destruction, harming, cutting or mowing of trees, shrubs, or other vegetation in the Conservation Easement Area except as provided in the Mitigation Plan and BPDP/Mitigation Plan. Mowing of invasive and herbaceous vegetation for purposes of enhancing planted or volunteer trees and shrubs approved in the Mitigation Plan and BPDP/Mitigation Plan is allowable once a year for no more than five consecutive years from the date on page 1 of this Conservation Easement, except where mowing will negatively impact vegetation or disturb soils. Mowing activities shall only be performed by [enter Sponsor name] and shall not violate any part of Item L of Article II. F. Roads and Trails. There shall be no construction of roads, trails or walkways on the Conservation Easement Area; nor enlargement or modification to existing roads, trails or walkways. G. Signage. No signs shall be permitted on or over the Conservation Easement Area, except the posting of no trespassing signs, signs identifying the conservation values of the Conservation Easement Area, signs giving directions or proscribing rules and regulations for the use of the Conservation Easement Area and/or signs identifying the Grantor as owner of the Conservation Easement Area. H. Dumping or Storage. Dumping or storage of soil, trash, ashes, garbage, waste, abandoned vehicles, appliances, machinery or hazardous substances, or toxic or hazardous waste, or any placement of underground or aboveground storage tanks or other materials on the Conservation Easement Area is prohibited. I. Excavation, Dredging or Mineral Use. There shall be no grading, filling, excavation, dredging, mining or drilling; no removal of topsoil, sand, gravel, rock, peat, minerals or other materials, and no change in the topography of the land in any manner on the Conservation Easement Area, except to restore natural topography or drainage patterns. For purposes of restoring and enhancing streams and wetlands within the Conservation Easement Area, [enter Sponsor name] is allowed to perform grading, filling, and excavation associated with stream and wetland restoration and enhancement activities as described in the Mitigation Plan and authorized by Department of the Army Nationwide Permit 27. J. Water Quality and Drainage Pattern. There shall be no diking, draining, dredging, channeling, filling, leveling, pumping, impounding or related activities, or altering or tampering with water control structures or devices, or disruption or alteration of the restored, enhanced, or created drainage patterns. In addition, diverting or causing or permitting the diversion of surface or underground water into, within or out of the easement area by any means, removal of wetlands, polluting or discharging into waters, springs, seeps, or wetlands, or use of pesticide or biocides is prohibited. K. Development Rights. No development rights that have been encumbered or extinguished by this Conservation Easement shall be transferred pursuant to a transferable development rights scheme or cluster development arrangement or otherwise. [Not required, but may be added if Grantor and Grantee agree:] L. Subdivision. The Grantor and Grantee agree that the Conservation Easement Area currently consists of within separate parcels. The Grantor may not further subdivide the Conservation Easement Area, except with the prior written consent of the Grantee. If Grantor elects to further subdivide any portion of the Conservation Easement Area, Grantor must provide the Grantee the name, address, and telephone number of new owner(s) of all property within the Conservation Easement Area, if different from Grantor. No subdivision of the Conservation Easement Area shall limit the right of ingress and egress over and across the Property for the purposes set forth herein. Further, in the event of any subdivision of the Property (whether inside or outside of the Conservation Easement Area) provision shall be made to preserve not only Grantee's perpetual rights of access to the Conservation Easement Area, as defined herein, but also Grantee's right of perpetual access to any conservation easements on properties adjacent to the Property which form a part of or are included in the Mitigation Plan or BPDP/Mitigation Plan. Creation of a condominium or any de facto division of the Conservation Easement Area is prohibited. Lot line adjustments or lot consolidation without the prior written consent of the Grantee is prohibited. The Grantor may convey undivided interests in the real property underlying the Conservation Easement Area. The Grantor shall notify the Grantee immediately of the name, address, and telephone number of any grantee of an undivided interest in any property within the Conservation Easement Area. M. Vehicles. The operation of mechanized vehicles, including, but not limited to, motorcycles, dirt bikes, all-terrain vehicles, cars and trucks is prohibited other than for temporary or occasional access by the [enter Sponsor name], the Grantee, its employees and agents, successors, assigns, NCDWR, and the Corps for purposes of constructing, maintaining and monitoring the restoration, enhancement and preservation of streams, wetlands and riparian areas within the Conservation Easement Area. The use of mechanized vehicles for monitoring purposes is limited to only existing roads and trails as shown in the approved in the Mitigation Plan and BPDP/Mitigation Plan. N. Other Prohibitions. Any other use of, or activity on, the Conservation Easement Area which is or may become inconsistent with the purposes of this grant, the preservation of the Conservation Easement Area substantially in its natural condition, or the protection of its environmental systems, is prohibited. ARTICLE III. GRANTOR'S RESEVERED RIGHTS The Grantor expressly reserves for himself, his personal representatives, heirs, successors or assigns, the right to continue the use of the Conservation Easement Area for all purposes not inconsistent with this Conservation Easement, including, but not limited to, the right to quiet enjoyment of the Conservation Easement Area, the rights of ingress and egress, the right to hunt, fish, and hike on the Conservation Easement Area, the right to sell, transfer, gift or otherwise convey the Conservation Easement Area, in whole or in part, provided such sale, transfer or gift conveyance is subject to the terms of, and shall specifically reference, this Conservation Easement. Notwithstanding the foregoing Restrictions, Grantor reserves for Grantor, its successors and assigns, including [enter Sponsor name] acting as the Bank Sponsor, the right to construct and perform activities related to the restoration, enhancement, and preservation of streams, wetlands and riparian areas within the Conservation Easement Area in accordance with the approved Mitigation Plan, the approved BPDP/Mitigation Plan, and the two Mitigation Banking Instruments described in the Recitals of this Conservation Easement. Notwithstanding the foregoing Restrictions, Grantor reserves for Grantor, its successors and assigns, the following rights in the areas labeled as "Internal Crossing" on the plat [insert plat name and recorded plat book page number] in the Conservation Easement Area: vehicular access, livestock access, irrigation piping and piping of livestock waste. All Internal Crossings that allow livestock access will be bounded by fencing and will be over a culvert. ARTICLE IV. GRANTEE'S RIGHTS The Grantee or its authorized representatives, successors and assigns, the Corps and NCDWR, shall have the right to enter the Property and Conservation Easement Area at all reasonable times for the purpose of inspecting the Conservation Easement Area to determine if the Grantor, or his personal representatives, heirs, successors, or assigns, is complying with the terms, conditions, restrictions, and purposes of this Conservation Easement. The Grantee, [enter Sponsor name], and its authorized representatives, successors and assigns, the Corps and NCDWR shall also have the right to enter and go upon the Conservation Easement Area for purposes of making scientific or educational observations and studies, and taking samples. The easement rights granted herein do not include public access rights. ARTICLE V. ENFORCEMENT AND REMEDIES A. To accomplish the purposes of this Easement, Grantee, the Corps, and NCDWR are allowed to prevent any activity on or use of the Conservation Easement Area that is inconsistent with the purposes of this Easement and to require the restoration of such areas or features of the Conservation Easement Area that may be damaged by such activity or use. Upon any breach of the terms of this Conservation Easement by Grantor that comes to the attention of the Grantee, the Grantee shall notify the Grantor in writing of such breach. The Grantor shall have 30 days after receipt of such notice to correct the conditions constituting such breach. If the breach remains uncured after 30 days, the Grantee may enforce this Conservation Easement by appropriate legal proceedings including damages, injunctive and other relief. Notwithstanding the foregoing, the Grantee reserves the immediate right, without notice, to obtain a temporary restraining order, injunctive or other appropriate relief if the breach of the terms of this Conservation Easement is or would irreversibly or otherwise materially impair the benefits to be derived from this Conservation Easement. The Grantor and Grantee acknowledge that under such circumstances damage to the Grantee would be irreparable and remedies at law will be inadequate. The rights and remedies of the Grantee provided hereunder shall be in addition to, and not in lieu of, all other rights and remedies available to Grantee in connection with this Conservation Easement. The costs of a breach, correction or restoration, including the Grantee's expenses, court costs, and attorneys' fees, shall be paid by Grantor, provided Grantor is determined to be responsible for the breach. The Corps and the NCDWR shall have the same rights and privileges as the said Grantee to enforce the terms and conditions of this Conservation Easement. B. No failure on the part of the Grantee to enforce any covenant or provision hereof shall discharge or invalidate such covenant or any other covenant, condition, or provision hereof or affect the right to Grantee to enforce the same in the event of a subsequent breach or default. C. Nothing contained in this Conservation Easement shall be construed to entitle Grantee to bring any action against Grantor for any injury or change in the Conservation Easement Area resulting from causes beyond the Grantor's control, including, without limitation, fire, flood, storm, war, acts of God or third parties, except Grantor's lessees or invitees; or from any prudent action taken in good faith by Grantor under emergency conditions to prevent, abate, or mitigate significant injury to life, damage to property or harm to the Conservation Easement Area resulting from such causes. ARTICLE VI. MISCELLANEOUS A. Warranty. Grantor warrants, covenants and represents that it owns the Property in fee simple, and that Grantor either owns all interests in the Property which may be impaired by the granting of this Conservation Easement or that there are no outstanding mortgages, tax liens, encumbrances, or other interests in the Property which have not been expressly subordinated to this Conservation Easement. Grantor further warrants that Grantee shall have the use of and enjoy all the benefits derived from and arising out of this Conservation Easement, and that Grantor will warrant and defend title to the Property against the claims of all persons. - B. Subsequent Transfers. The Grantor agrees to incorporate the terms of this Conservation Easement in any deed or other legal instrument that transfers any interest in all or a portion of the Conservation Easement Area. The Grantor agrees to provide written notice of such transfer at least sixty (60) days prior to the date of the transfer. The Grantor and Grantee agree that the terms of this Conservation Easement shall survive any merger of the fee and easement interests in the Conservation Easement Area or any portion thereof and shall not be amended, modified or terminated without the prior written consent and approval of the Corps. C. Assignment. The parties recognize and agree that the benefits of this Conservation Easement are in gross and assignable provided, however that the Grantee hereby covenants and agrees, that in the event it transfers or assigns this Conservation Easement, the organization receiving the interest will be a qualified holder pursuant to 33 CFR 332.7 (a)(1), N.C. Gen. Stat. § 121-34 et seq. and § 501 (c)(3) and § 170 (h) of the Internal Revenue Code, and the Grantee further covenants and agrees that the terms of the transfer or assignment will be such that the transferee or assignee will be required to continue in perpetuity the conservation purposes described in this document. D. Entire Agreement and Severability. The combined Mitigation Banking Instruments: MBI with corresponding Mitigation Plan, and MBI with corresponding BPDP/Mitigation Plan, and this Conservation Easement sets forth the entire agreement of the parties with respect to the Conservation Easement and supersedes all prior discussions, negotiations, understandings or agreements relating to the Conservation Easement. If any provision is found to be void or unenforceable by a court of competent jurisdiction, the remainder shall continue in full force and effect. E. Obligations of Ownership. Grantor is responsible for any real estate taxes, assessments, fees, or charges levied upon the Property. Grantor shall keep the Property free of any liens or other encumbrances for obligations incurred by Grantor, except those incurred after the date hereof, which are expressly subject and subordinate to the Conservation Easement. Grantee shall not be responsible for any costs or liability of any kind related to the ownership, operation, insurance, upkeep, or maintenance of the Property, except as expressly provided herein. Nothing herein shall relieve the Grantor of the obligation to comply with federal, state or local laws, regulations and permits that may apply to the exercise of the Reserved Rights. F. Long-Term Management. Grantor is responsible for all long-term management activities associated with fencing. These activities include the maintenance and/or replacement of fence structures to ensure the aquatic resource functions within the boundaries of the Protected Property are sustained. G. Extinguishment. In the event that changed conditions render impossible the continued use of the Conservation Easement Area for the conservation purposes, this Conservation Easement may only be extinguished, in whole or in part, by judicial proceeding. H. Eminent Domain. Whenever all or part of the Conservation Easement Area is taken in the exercise of eminent domain so as to substantially abrogate the Restrictions imposed by this Conservation Easement, Grantor and Grantee shall join in appropriate actions at the time of such taking to recover the full value of the taking, and all incidental and direct damages due to the taking. I. Proceeds. This Conservation Easement constitutes a real property interest immediately vested in Grantee. In the event that all or a portion of the Conservation Easement Area is sold, exchanged, or involuntarily converted following an extinguishment or the exercise of eminent domain, Grantee shall be entitled to the fair market value of this Conservation Easement as determined at the time of the extinguishment or condemnation. J. Notification. Any notice, request for approval, or other communication required under this Conservation Easement shall be sent by registered or certified mail, postage prepaid, to the following addresses (or such address as may be hereafter specified by notice pursuant to this paragraph): To Grantor: [Name, address and fax number] To Grantee: [Name, address and fax number] To Sponsor: To the Corps: US Army Corps of Engineers Wilmington District, Regulatory Division 69 Darlington Avenue Wilmington, NC 28403 To NCDEQ -DWR: NCDEQ — Division of Water Resources 401 & Buffer Permitting Branch 1617 Mail Service Center Raleigh, NC 27699-1601 K. Failure of Grantee. If at any time Grantee is unable or fails to enforce this Conservation Easement, or if Grantee ceases to be a qualified grantee, and if within a reasonable period of time after the occurrence of one of these events Grantee fails to make an assignment pursuant to this Conservation Easement, then the Grantee's interest shall become vested in another qualified grantee in accordance with an appropriate proceeding in a court of competent jurisdiction. L. Amendment. This Conservation Easement may be amended, but only in a writing signed by all parties hereto, and provided such amendment does not affect the qualification of this Conservation Easement or the status of the Grantee under any applicable laws, and is consistent with the conservation purposes of this grant. M. Present Condition of the Conservation Easement Area. The wetlands, scenic, resource, environmental, and other natural characteristics of the Conservation Easement Area, and its current use and state of improvement, are described in Section of the Mitigation Plan, prepared by Grantor and acknowledged by the Grantor and Grantee to be complete and accurate as of the date hereof. Both Grantor and Grantee have copies of this report. It will be used by the parties to assure that any future changes in the use of the Conservation Easement Area will be consistent with the terms of this Conservation Easement. However, this report is not intended to preclude the use of other evidence to establish the present condition of the Conservation Easement Area if there is a controversy over its use. TO HAVE AND TO HOLD the said rights and easements perpetually unto Grantee for the aforesaid purposes. IN TESTIMONY WHEREOF, the Grantor has hereunto set his hand and seal, the day and year first above written. [Signatures of the Grantor and Grantee in appropriate form] DocuSign Envelope ID:90F59615-5954-46CF-ACCA-68E9451541 C9 art 1144,4, Unique Places To Save December 10,2020 Catherine Manner Water&Land Solutions 7721 Six Forks Road,Suite 130 Raleigh, NC 27615 Dear Ms. Manner, This letter confirms that Unique Places to Save ("UP2S"), a 501(c)3 not-for-profit organization located in the State of North Carolina, has preliminarily agreed to act as the conservation easement grantee and long-term steward for the Starker Mitigation site ("Site") located in Catawba County,North Carolina.The Site consists of an approximate 30-acre conservation easement area. As the conservation easement grantee and long-term steward, UP2S shall be responsible for periodic inspection of the Site to ensure that the terms and restrictions required in the conservation easement are enforced and maintained into perpetuity. Specific responsibilities include: • Conservation easement compliance monitoring of the Site is conducted on an annual basis. • Visits to Site are coordinated with the landowner when possible. • Annual conservation easement compliance monitoring reports are sent to the landowner when possible. • Signage (if applicable) for the conservation easement boundary is maintained. •• Violations and potential violations of the conservation easement deed are addressed following protocols contained in the UP2S Conservation Easement Violations Policy and per the terms of the conservation easement deed. Water & Land Solutions shall act as Bank Sponsor of the Site. UP2S shall receive a stewardship endowment in the amount of $61,297.00 to ensure annual Site inspections occur and that the terms of the conservation easement are legally defended into perpetuity. DocuSigned by: �!} J ris(,t,r _ I AB3956C8737A4BE... Jen 1-isner, tsoara Chair Representative Signature Unique Places to Save Water& Land Solutions Printed Name 1 r� 0+ V Date JZ- Io-Zo PO Box 1183 • Chapel Hill, NC 27514 • 585-472-9498 info@uniaueplacestosave.org Appendix E- USACE Assessment Forms WLS Catawba 01 Umbrella Mitigation Bank Starker Mitigation Site NC SAM Forms NC WAM Forms NC SAM FIELD ASSESSMENT FORM Accompanies User Manual Version 2.1 USACE AID#: NCDWR#: INSTRUCTIONS: Attach a sketch of the assessment area and photographs. Attach a copy of the USGS 7.5-minute topographic quadrangle, and circle the location of the stream reach under evaluation. If multiple stream reaches will be evaluated on the same property, identify and number all reaches on the attached map,and include a separate form for each reach. See the NC SAM User Manual for detailed descriptions and explanations of requested information. Record in the "Notes/Sketch"section if supplementary measurements were performed. See the NC SAM User Manual for examples of additional measurements that may be relevant. NOTE EVIDENCE OF STRESSORS AFFECTING THE ASSESSMENT AREA(do not need to be within the assessment area). PROJECT/SITE INFORMATION: 1. Project name(if any): Starker Mitigation Bank 2. Date of evaluation: 7/14/2020 3.Applicant/owner name: WLS/Hunsucker Farms LLC 4.Assessor name/organization: Amy James/EPR 5. County: Catawba 6. Nearest named water body 7. River basin: Catawba on USGS 7.5-minute quad: Mull Creek 8. Site coordinates(decimal degrees,at lower end of assessment reach): 35.717069, -81.165934 STREAM INFORMATION: (depth and width can be approximations) 9. Site number(show on attached map): S100 10. Length of assessment reach evaluated (feet): 5,418 11. Channel depth from bed (in riffle, if present)to top of bank(feet): 3-7 ft. ['Unable to assess channel depth. 12. Channel width at top of bank(feet): 15-20 ft. 13. Is assessment reach a swamp steam? ['Yes No 14. Feature type: ZPerennial flow ['Intermittent flow ['Tidal Marsh Stream STREAM CATEGORY INFORMATION: 15. NC SAM Zone: ❑ Mountains(M) ® Piedmont(P) ❑ Inner Coastal Plain(I) ❑ Outer Coastal Plain(0) 16. Estimated geomorphic ❑A �� \\416.61/4....1} valley shape(skip for ®B Tidal Marsh Stream): (more sinuous stream,flatter valley slope) (less sinuous stream,steeper valley slope) 17.Watershed size: (skip ❑Size 1 (<0.1 mi2) Size 2(0.1 to<0.5 mi2) ['Size 3(0.5 to<5 mi2) ❑Size 4(>_5 mil) for Tidal Marsh Stream) ADDITIONAL INFORMATION: 18.Were regulatory considerations evaluated? ®Yes ['No If Yes,check all that apply to the assessment area. ['Section 10 water ❑Classified Trout Waters ®Water Supply Watershed (❑I ❑II ❑III ®IV ❑V) ['Essential Fish Habitat ❑Primary Nursery Area ❑ High Quality Waters/Outstanding Resource Waters ['Publicly owned property ❑NCDWR Riparian buffer rule in effect ['Nutrient Sensitive Waters ❑Anadromous fish 0303(d)List ❑CAMA Area of Environmental Concern(AEC) ['Documented presence of a federal and/or state listed protected species within the assessment area. List species: ❑Designated Critical Habitat(list species) 19.Are additional stream information/supplementary measurements included in"Notes/Sketch"section or attached? ['Yes ❑No 1. Channel Water-assessment reach metric(skip for Size 1 streams and Tidal Marsh Streams) ®A Water throughout assessment reach. ❑B No flow,water in pools only. ❑C No water in assessment reach. 2. Evidence of Flow Restriction-assessment reach metric ❑A At least 10% of assessment reach in-stream habitat or riffle-pool sequence is severely affected by a flow restriction or fill to the point of obstructing flow or a channel choked with aquatic macrophytes or ponded water or impoundment on flood or ebb within the assessment reach (examples: undersized or perched culverts,causeways that constrict the channel,tidal gates,debris jams, beaver dams). ®B NotA 3. Feature Pattern-assessment reach metric ❑A A majority of the assessment reach has altered pattern (examples:straightening, modification above or below culvert). ®B NotA 4. Feature Longitudinal Profile-assessment reach metric ®A Majority of assessment reach has a substantially altered stream profile(examples: channel down-cutting,existing damming,over widening, active aggradation, dredging, and excavation where appropriate channel profile has not reformed from any of these disturbances). ❑B NotA 5. Signs of Active Instability-assessment reach metric Consider only current instability, not past events from which the stream has currently recovered. Examples of instability include active bank failure, active channel down-cutting(head-cut),active widening,and artificial hardening(such as concrete,gabion, rip-rap). ❑A < 10%of channel unstable ❑B 10 to 25%of channel unstable ❑C >25%of channel unstable 6. Streamside Area Interaction-streamside area metric Consider for the Left Bank(LB)and the Right Bank(RB). LB RB ❑A ❑A Little or no evidence of conditions that adversely affect reference interaction ❑B ❑B Moderate evidence of conditions (examples: berms, levees, down-cutting, aggradation, dredging)that adversely affect reference interaction(examples: limited streamside area access,disruption of flood flows through streamside area,leaky or intermittent bulkheads,causeways with floodplain constriction,minor ditching[including mosquito ditching]) ®C ®C Extensive evidence of conditions that adversely affect reference interaction (little to no floodplain/intertidal zone access [examples: causeways with floodplain and channel constriction,bulkheads,retaining walls,fill,stream incision,disruption of flood flows through streamside area]or too much floodplain/intertidal zone access[examples:impoundments,intensive mosquito ditching]) or floodplain/intertidal zone unnaturally absent or assessment reach is a man-made feature on an interstream divide 7. Water Quality Stressors-assessment reach/intertidal zone metric Check all that apply. ❑A Discolored water in stream or intertidal zone(milky white, blue, unnatural water discoloration,oil sheen,stream foam) ❑B Excessive sedimentation (burying of stream features or intertidal zone) ❑C Noticeable evidence of pollutant discharges entering the assessment reach and causing a water quality problem ❑D Odor(not including natural sulfide odors) ❑E Current published or collected data indicating degraded water quality in the assessment reach. Cite source in "Notes/Sketch" section. ▪F Livestock with access to stream or intertidal zone ❑G Excessive algae in stream or intertidal zone ❑H Degraded marsh vegetation in the intertidal zone(removal,burning, regular mowing,destruction,etc) ❑I Other: (explain in"Notes/Sketch"section) ❑J Little to no stressors 8. Recent Weather-watershed metric(skip for Tidal Marsh Streams) For Size 1 or 2 streams, D1 drought or higher is considered a drought;for Size 3 or 4 streams,D2 drought or higher is considered a drought. ❑A Drought conditions and no rainfall or rainfall not exceeding 1 inch within the last 48 hours ❑B Drought conditions and rainfall exceeding 1 inch within the last 48 hours ®C No drought conditions 9. Large or Dangerous Stream-assessment reach metric ❑Yes ®No Is stream is too large or dangerous to assess? If Yes,skip to Metric 13(Streamside Area Ground Surface Condition). 10. Natural In-stream Habitat Types-assessment reach metric 10a. ❑Yes ®No Degraded in-stream habitat over majority of the assessment reach (examples of stressors include excessive sedimentation, mining, excavation, in-stream hardening [for example, rip-rap], recent dredging, and snagging) (evaluate for Size 4 Coastal Plain streams only,then skip to Metric 12) 10b. Check all that occur(occurs if>5%coverage of assessment reach)(skip for Size 4 Coastal Plain streams) ❑A Multiple aquatic macrophytes and aquatic mosses ❑F 5%oysters or other natural hard bottoms (include liverworts,lichens,and algal mats) ❑G Submerged aquatic vegetation ®B Multiple sticks and/or leaf packs and/or emergent - . ❑H Low-tide refugia(pools) vegetation Y L ❑I Sand bottom ❑C Multiple snags and logs(including lap trees) . ❑J 5%vertical bank along the marsh ❑D 5% undercut banks and/or root mats and/or roots ° ❑K Little or no habitat in banks extend to the normal wetted perimeter ❑E Little or no habitat *********************************REMAINING QUESTIONS ARE NOT APPLICABLE FOR TIDAL MARSH STREAMS**************************** 11. Bedform and Substrate-assessment reach metric(skip for Size 4 Coastal Plain streams and Tidal Marsh Streams) 11a. ['Yes ®No Is assessment reach in a natural sand-bed stream?(skip for Coastal Plain streams) 11 b. Bedform evaluated. Check the appropriate box(es). ®A Riffle-run section (evaluate 11c) ❑B Pool-glide section (evaluate 11d) ❑C Natural bedform absent(skip to Metric 12,Aquatic Life) 11 c. In riffle sections,check all that occur below the normal wetted perimeter of the assessment reach-whether or not submerged. Check at least one box in each row(skip for Size 4 Coastal Plain streams and Tidal Marsh Streams). Not Present(NP)=absent, Rare (R) = present but< 10%, Common (C)= > 10-40%,Abundant(A)= >40-70%, Predominant(P) = >70%. Cumulative percentages should not exceed 100%for each assessment reach. NP R C A P ▪ ❑ ❑ ❑ ❑ Bedrock/saprolite ▪ El ❑ El ❑ Boulder(256-4096 mm) El ® ❑ El ❑ Cobble(64-256 mm) El El ❑ ® ❑ Gravel (2-64 mm) ❑ El ® ❑ ❑ Sand(.062-2 mm) ❑ ❑ ® ❑ ❑ Silt/clay(<0.062 mm) ® ❑ ❑ ❑ ❑ Detritus ® ❑ ❑ ❑ ❑ Artificial (rip-rap,concrete,etc.) 11d. ❑Yes ❑No Are pools filled with sediment?(skip for Size 4 Coastal Plain streams and Tidal Marsh Streams) 12. Aquatic Life—assessment reach metric(skip for Tidal Marsh Streams) 12a. ❑Yes No Was an in-stream aquatic life assessment performed as described in the User Manual? If No,select one of the following reasons and skip to Metric 13. No Water ❑Other: 12b. ❑Yes No Are aquatic organisms present in the assessment reach (look in riffles, pools, then snags)? If Yes, check all that apply. If No,skip to Metric 13. 1 >1 Numbers over columns refer to"individuals"for Size 1 and 2 streams and"taxa"for Size 3 and 4 streams. ❑ ®Adult frogs ❑ Aquatic reptiles ❑ [Aquatic macrophytes and aquatic mosses(include liverworts, lichens, and algal mats) ❑ [Beetles ❑ ❑Caddisfly larvae(T) ❑ ['Asian clam (Corbicula) ❑ ®Crustacean (isopod/amphipod/crayfish/shrimp) ❑ ❑Damselfly and dragonfly larvae ❑ ❑Dipterans ❑ ❑Mayfly larvae(E) ❑ ❑Megaloptera(alderfly,fishfly,dobsonfly larvae) ❑ ❑Midges/mosquito larvae ❑ ®Mosquito fish (Gambusia)or mud minnows(Umbra pygmaea) ❑ ❑Mussels/Clams(not Corbicula) ❑ ❑Other fish ❑ ❑Salamanders/tadpoles ❑ ['Snails ❑ ❑Stonefly larvae(P) ❑ ❑Tipulid larvae ❑ ❑Worms/leeches 13. Streamside Area Ground Surface Condition—streamside area metric(skip for Tidal Marsh Streams and B valley types) Consider for the Left Bank(LB)and the Right Bank(RB). Consider storage capacity with regard to both overbank flow and upland runoff. LB RB ®A ®A Little or no alteration to water storage capacity over a majority of the streamside area ❑B ❑B Moderate alteration to water storage capacity over a majority of the streamside area ❑C ❑C Severe alteration to water storage capacity over a majority of the streamside area(examples: ditches,fill,soil compaction, livestock disturbance, buildings, man-made levees,drainage pipes) 14. Streamside Area Water Storage—streamside area metric(skip for Size 1 streams,Tidal Marsh Streams,and B valley types) Consider for the Left Bank(LB)and the Right Bank(RB)of the streamside area. LB RB ❑A ❑A Majority of streamside area with depressions able to pond water>_6 inches deep ❑B ❑B Majority of streamside area with depressions able to pond water 3 to 6 inches deep ®C Majority of streamside area with depressions able to pond water<3 inches deep 15. Wetland Presence—streamside area metric(skip for Tidal Marsh Streams) Consider for the Left Bank(LB)and the Right Bank(RB). Do not consider wetlands outside of the streamside area or within the normal wetted perimeter of assessment reach. LB RB ®Y ®Y Are wetlands present in the streamside area? O N ON 16. Baseflow Contributors—assessment reach metric(skip for Size 4 streams and Tidal Marsh Streams) Check all contributors within the assessment reach or within view of and draining to the assessment reach. Streams and/or springs(jurisdictional discharges) ❑B Ponds(include wet detention basins; do not include sediment basins or dry detention basins) ❑C Obstruction passing flow during low-flow periods within the assessment area(beaver dam, leaky dam, bottom-release dam,weir) ®D Evidence of bank seepage or sweating (iron in water indicates seepage) ®E Stream bed or bank soil reduced (dig through deposited sediment if present) ❑F None of the above 17. Baseflow Detractors—assessment area metric(skip for Tidal Marsh Streams) Check all that apply. ❑A Evidence of substantial water withdrawals from the assessment reach (includes areas excavated for pump installation) ❑B Obstruction not passing flow during low-flow periods affecting the assessment reach(ex:watertight dam,sediment deposit) ❑C Urban stream (>_24%impervious surface for watershed) ❑D Evidence that the streamside area has been modified resulting in accelerated drainage into the assessment reach ❑E Assessment reach relocated to valley edge ®F None of the above 18. Shading—assessment reach metric(skip for Tidal Marsh Streams) Consider aspect. Consider"leaf-on"condition. ❑A Stream shading is appropriate for stream category(may include gaps associated with natural processes) ®B Degraded(example: scattered trees) ❑C Stream shading is gone or largely absent 19. Buffer Width—streamside area metric(skip for Tidal Marsh Streams) Consider"vegetated buffer" and"wooded buffer"separately for left bank(LB)and right bank(RB)starting at the top of bank out to the first break. Vegetated Wooded LB RB LB RB ®A ®A ❑A ❑A >_ 100 feet wide or extends to the edge of the watershed ❑B ❑B ❑B ®B From 50 to< 100 feet wide ❑C ❑C ®C ❑C From 30 to<50 feet wide ❑D ❑D ❑D ❑D From 10 to<30 feet wide ❑E ❑E ❑E ❑E < 10 feet wide or no trees 20. Buffer Structure—streamside area metric(skip for Tidal Marsh Streams) Consider for left bank(LB)and right bank(RB)for Metric 19("Vegetated" Buffer Width). LB RB ❑A ❑A Mature forest ®B ❑B Non-mature woody vegetation or modified vegetation structure ❑C ❑C Herbaceous vegetation with or without a strip of trees< 10 feet wide ❑D ❑D Maintained shrubs ❑E ❑E Little or no vegetation 21. Buffer Stressors—streamside area metric(skip for Tidal Marsh Streams) Check all appropriate boxes for left bank(LB)and right bank(RB). Indicate if listed stressor abuts stream (Abuts),does not abut but is within 30 feet of stream(<30 feet),or is between 30 to 50 feet of stream(30-50 feet). If none of the following stressors occurs on either bank,check here and skip to Metric 22: ❑ Abuts <30 feet 30-50 feet LB RB LB RB LB RB ❑A ❑A ❑A ❑A ❑A ❑A Row crops ❑B ❑B ❑B ❑B ❑B ❑B Maintained turf ❑C ❑C ❑C ❑C ❑C ❑C Pasture(no livestock)/commercial horticulture ®D ❑D ❑D ❑D ❑D ❑D Pasture(active livestock use) 22. Stem Density—streamside area metric(skip for Tidal Marsh Streams) Consider for left bank(LB)and right bank(RB)for Metric 19("Wooded" Buffer Width). LB RB ❑A ❑A Medium to high stem density ®B ❑B Low stem density ❑C ❑C No wooded riparian buffer or predominantly herbaceous species or bare ground 23. Continuity of Vegetated Buffer—streamside area metric(skip for Tidal Marsh Streams) Consider whether vegetated buffer is continuous along stream(parallel). Breaks are areas lacking vegetation > 10 feet wide. LB RB ®A ®A The total length of buffer breaks is<25 percent. ❑B ❑B The total length of buffer breaks is between 25 and 50 percent. ❑C ❑C The total length of buffer breaks is>50 percent. 24. Vegetative Composition—streamside area metric(skip for Tidal Marsh Streams) Evaluate the dominant vegetation within 100 feet of each bank or to the edge of the watershed (whichever comes first)as it contributes to assessment reach habitat. LB RB ❑A ❑A Vegetation is close to undisturbed in species present and their proportions. Lower strata composed of native species, with non-native invasive species absent or sparse. ®B ®B Vegetation indicates disturbance in terms of species diversity or proportions, but is still largely composed of native species. This may include communities of weedy native species that develop after clear-cutting or clearing or communities with non-native invasive species present, but not dominant, over a large portion of the expected strata or communities missing understory but retaining canopy trees. ❑C ❑C Vegetation is severely disturbed in terms of species diversity or proportions. Mature canopy is absent or communities with non-native invasive species dominant over a large portion of expected strata or communities composed of planted stands of non-characteristic species or communities inappropriately composed of a single species or no vegetation. 25. Conductivity—assessment reach metric(skip for all Coastal Plain streams) 25a. ❑Yes ®No Was conductivity measurement recorded? If No,select one of the following reasons. ❑No Water ['Other: 25b. Check the box corresponding to the conductivity measurement(units of microsiemens per centimeter). ❑A <46 LIB 46 to<67 ❑C 67 to<79 ❑D 79 to<230 ❑E >_230 Notes/Sketch: Draft NC SAM Stream Rating Sheet Accompanies User Manual Version 2.1 Stream Site Name Starker Mitigation Bank Date of Assessment 7/14/2020 Stream Category Pb2 Assessor Name/Organization Amy James/EPR Notes of Field Assessment Form (Y/N) NO Presence of regulatory considerations (Y/N) YES Additional stream information/supplementary measurements included(Y/N) NC SAM feature type (perennial, intermittent,Tidal Marsh Stream) Perennial USACE/ NCDWR Function Class Rating Summary All Streams Intermittent (1) Hydrology LOW (2) Baseflow HIGH (2) Flood Flow LOW (3)Streamside Area Attenuation LOW (4) Floodplain Access LOW (4)Wooded Riparian Buffer MEDIUM (4) Microtopography NA (3)Stream Stability LOW (4)Channel Stability LOW (4)Sediment Transport MEDIUM (4)Stream Geomorphology MEDIUM (2)Stream/Intertidal Zone Interaction NA (2)Longitudinal Tidal Flow NA (2)Tidal Marsh Stream Stability NA (3)Tidal Marsh Channel Stability NA (3)Tidal Marsh Stream Geomorphology NA (1)Water Quality MEDIUM (2) Baseflow HIGH (2)Streamside Area Vegetation LOW (3) Upland Pollutant Filtration LOW (3)Thermoregulation MEDIUM (2) Indicators of Stressors YES (2)Aquatic Life Tolerance HIGH (2)Intertidal Zone Filtration NA (1) Habitat LOW (2) In-stream Habitat LOW (3) Baseflow HIGH (3)Substrate MEDIUM (3)Stream Stability LOW (3) In-stream Habitat LOW (2)Stream-side Habitat MEDIUM (3)Stream-side Habitat MEDIUM (3)Thermoregulation MEDIUM (2)Tidal Marsh In-stream Habitat NA (3)Flow Restriction NA (3)Tidal Marsh Stream Stability NA (4)Tidal Marsh Channel Stability NA (4)Tidal Marsh Stream Geomorphology NA (3)Tidal Marsh In-stream Habitat NA (2)Intertidal Zone NA Overall LOW NC SAM FIELD ASSESSMENT FORM Accompanies User Manual Version 2.1 USACE AID#: NCDWR#: INSTRUCTIONS: Attach a sketch of the assessment area and photographs. Attach a copy of the USGS 7.5-minute topographic quadrangle, and circle the location of the stream reach under evaluation. If multiple stream reaches will be evaluated on the same property, identify and number all reaches on the attached map,and include a separate form for each reach. See the NC SAM User Manual for detailed descriptions and explanations of requested information. Record in the "Notes/Sketch"section if supplementary measurements were performed. See the NC SAM User Manual for examples of additional measurements that may be relevant. NOTE EVIDENCE OF STRESSORS AFFECTING THE ASSESSMENT AREA(do not need to be within the assessment area). PROJECT/SITE INFORMATION: 1. Project name(if any): Starker Mitigation Bank 2. Date of evaluation: 7/14/2020 3.Applicant/owner name: WLS/Hunsucker Farms LLC 4.Assessor name/organization: Amy James/EPR 5. County: Catawba 6. Nearest named water body 7. River basin: Catawba on USGS 7.5-minute quad: Mull Creek 8. Site coordinates(decimal degrees,at lower end of assessment reach): 35.713045, -81.172890 STREAM INFORMATION: (depth and width can be approximations) 9. Site number(show on attached map): S200 10. Length of assessment reach evaluated (feet): 4,220 11. Channel depth from bed (in riffle, if present)to top of bank(feet): 4-10 ft. ['Unable to assess channel depth. 12. Channel width at top of bank(feet): 12-18 ft. 13. Is assessment reach a swamp steam? ['Yes No 14. Feature type: ZPerennial flow ['Intermittent flow ['Tidal Marsh Stream STREAM CATEGORY INFORMATION: 15. NC SAM Zone: ❑ Mountains(M) ® Piedmont(P) ❑ Inner Coastal Plain(I) ❑ Outer Coastal Plain(0) 16. Estimated geomorphic ❑A �� \\416.61/4....1} valley shape(skip for ®B Tidal Marsh Stream): (more sinuous stream,flatter valley slope) (less sinuous stream,steeper valley slope) 17.Watershed size: (skip ❑Size 1 (<0.1 mi2) Size 2(0.1 to<0.5 mi2) ['Size 3(0.5 to<5 mi2) ❑Size 4(>_5 mil) for Tidal Marsh Stream) ADDITIONAL INFORMATION: 18.Were regulatory considerations evaluated? ®Yes ['No If Yes,check all that apply to the assessment area. ['Section 10 water ❑Classified Trout Waters ['Water Supply Watershed (❑I ❑II ❑III ®IV ❑V) ['Essential Fish Habitat ❑Primary Nursery Area ❑ High Quality Waters/Outstanding Resource Waters ['Publicly owned property ❑NCDWR Riparian buffer rule in effect ['Nutrient Sensitive Waters ❑Anadromous fish 0303(d)List ❑CAMA Area of Environmental Concern(AEC) ['Documented presence of a federal and/or state listed protected species within the assessment area. List species: ❑Designated Critical Habitat(list species) 19.Are additional stream information/supplementary measurements included in"Notes/Sketch"section or attached? ['Yes ❑No 1. Channel Water-assessment reach metric(skip for Size 1 streams and Tidal Marsh Streams) ®A Water throughout assessment reach. ❑B No flow,water in pools only. ❑C No water in assessment reach. 2. Evidence of Flow Restriction-assessment reach metric ❑A At least 10% of assessment reach in-stream habitat or riffle-pool sequence is severely affected by a flow restriction or fill to the point of obstructing flow or a channel choked with aquatic macrophytes or ponded water or impoundment on flood or ebb within the assessment reach (examples: undersized or perched culverts,causeways that constrict the channel,tidal gates,debris jams, beaver dams). ❑B NotA 3. Feature Pattern-assessment reach metric ❑A A majority of the assessment reach has altered pattern (examples:straightening, modification above or below culvert). ®B NotA 4. Feature Longitudinal Profile-assessment reach metric ®A Majority of assessment reach has a substantially altered stream profile(examples: channel down-cutting,existing damming,over widening, active aggradation, dredging, and excavation where appropriate channel profile has not reformed from any of these disturbances). ❑B NotA 5. Signs of Active Instability-assessment reach metric Consider only current instability, not past events from which the stream has currently recovered. Examples of instability include active bank failure, active channel down-cutting(head-cut),active widening,and artificial hardening(such as concrete,gabion, rip-rap). ❑A < 10%of channel unstable ❑B 10 to 25%of channel unstable ❑C >25%of channel unstable 6. Streamside Area Interaction-streamside area metric Consider for the Left Bank(LB)and the Right Bank(RB). LB RB ❑A ❑A Little or no evidence of conditions that adversely affect reference interaction ❑B ❑B Moderate evidence of conditions (examples: berms, levees, down-cutting, aggradation, dredging)that adversely affect reference interaction(examples: limited streamside area access,disruption of flood flows through streamside area,leaky or intermittent bulkheads,causeways with floodplain constriction,minor ditching[including mosquito ditching]) ®C ®C Extensive evidence of conditions that adversely affect reference interaction (little to no floodplain/intertidal zone access [examples: causeways with floodplain and channel constriction,bulkheads,retaining walls,fill,stream incision,disruption of flood flows through streamside area]or too much floodplain/intertidal zone access[examples:impoundments,intensive mosquito ditching]) or floodplain/intertidal zone unnaturally absent or assessment reach is a man-made feature on an interstream divide 7. Water Quality Stressors-assessment reach/intertidal zone metric Check all that apply. ❑A Discolored water in stream or intertidal zone(milky white, blue, unnatural water discoloration,oil sheen,stream foam) ❑B Excessive sedimentation (burying of stream features or intertidal zone) ❑C Noticeable evidence of pollutant discharges entering the assessment reach and causing a water quality problem ❑D Odor(not including natural sulfide odors) ❑E Current published or collected data indicating degraded water quality in the assessment reach. Cite source in "Notes/Sketch" section. ▪F Livestock with access to stream or intertidal zone ❑G Excessive algae in stream or intertidal zone ❑H Degraded marsh vegetation in the intertidal zone(removal,burning, regular mowing,destruction,etc) ❑l Other: (explain in"Notes/Sketch"section) ❑J Little to no stressors 8. Recent Weather-watershed metric(skip for Tidal Marsh Streams) For Size 1 or 2 streams, D1 drought or higher is considered a drought;for Size 3 or 4 streams,D2 drought or higher is considered a drought. ❑A Drought conditions and no rainfall or rainfall not exceeding 1 inch within the last 48 hours ❑B Drought conditions and rainfall exceeding 1 inch within the last 48 hours ®C No drought conditions 9. Large or Dangerous Stream-assessment reach metric ❑Yes ®No Is stream is too large or dangerous to assess? If Yes,skip to Metric 13(Streamside Area Ground Surface Condition). 10. Natural In-stream Habitat Types-assessment reach metric 10a. EYes ®No Degraded in-stream habitat over majority of the assessment reach (examples of stressors include excessive sedimentation, mining, excavation, in-stream hardening [for example, rip-rap], recent dredging, and snagging) (evaluate for Size 4 Coastal Plain streams only,then skip to Metric 12) 10b. Check all that occur(occurs if>5%coverage of assessment reach)(skip for Size 4 Coastal Plain streams) ❑A Multiple aquatic macrophytes and aquatic mosses ❑F 5%oysters or other natural hard bottoms (include liverworts,lichens,and algal mats) ❑G Submerged aquatic vegetation ®B Multiple sticks and/or leaf packs and/or emergent - . ❑H Low-tide refugia(pools) vegetation Y L ❑l Sand bottom ❑C Multiple snags and logs(including lap trees) . ❑J 5%vertical bank along the marsh ❑D 5% undercut banks and/or root mats and/or roots ° ❑K Little or no habitat in banks extend to the normal wetted perimeter ❑E Little or no habitat *********************************REMAINING QUESTIONS ARE NOT APPLICABLE FOR TIDAL MARSH STREAMS**************************** 11. Bedform and Substrate-assessment reach metric(skip for Size 4 Coastal Plain streams and Tidal Marsh Streams) 11a. ❑Yes ®No Is assessment reach in a natural sand-bed stream?(skip for Coastal Plain streams) 11 b. Bedform evaluated. Check the appropriate box(es). ®A Riffle-run section (evaluate 11c) ❑B Pool-glide section (evaluate 11d) ❑C Natural bedform absent(skip to Metric 12,Aquatic Life) 11 c. In riffle sections,check all that occur below the normal wetted perimeter of the assessment reach-whether or not submerged. Check at least one box in each row(skip for Size 4 Coastal Plain streams and Tidal Marsh Streams). Not Present(NP)=absent, Rare (R) = present but< 10%, Common (C)= > 10-40%,Abundant(A)= >40-70%, Predominant(P) = >70%. Cumulative percentages should not exceed 100%for each assessment reach. NP R C A P ® ❑ ❑ ❑ ❑ Bedrock/saprolite ® ❑ ❑ ❑ ❑ Boulder(256-4096 mm) ❑ ® ❑ El ❑ Cobble(64-256 mm) ❑ ❑ ❑ ® ❑ Gravel (2-64 mm) ❑ ❑ ® ❑ ❑ Sand(.062-2 mm) ❑ ❑ ❑ ❑ ❑ Silt/clay(<0.062 mm) ® ❑ ❑ ❑ ❑ Detritus ® ❑ ❑ ❑ ❑ Artificial (rip-rap,concrete,etc.) 11d. ❑Yes ❑No Are pools filled with sediment?(skip for Size 4 Coastal Plain streams and Tidal Marsh Streams) 12. Aquatic Life—assessment reach metric(skip for Tidal Marsh Streams) 12a. ZYes No Was an in-stream aquatic life assessment performed as described in the User Manual? If No,select one of the following reasons and skip to Metric 13. No Water ❑Other: 12b. ZYes No Are aquatic organisms present in the assessment reach (look in riffles, pools, then snags)? If Yes, check all that apply. If No,skip to Metric 13. 1 >1 Numbers over columns refer to"individuals"for Size 1 and 2 streams and"taxa"for Size 3 and 4 streams. ❑ ®Adult frogs ❑ Aquatic reptiles ❑ Aquatic macrophytes and aquatic mosses(include liverworts, lichens, and algal mats) ❑ Beetles ❑ ❑Caddisfly larvae(T) ❑ ❑Asian clam (Corbicula) ❑ ®Crustacean (isopod/amphipod/crayfish/shrimp) ❑ El Damselfly and dragonfly larvae ❑ ❑Dipterans ❑ ❑Mayfly larvae(E) ❑ ❑Megaloptera(alderfly,fishfly,dobsonfly larvae) ❑ ❑Midges/mosquito larvae ❑ ®Mosquito fish (Gambusia)or mud minnows(Umbra pygmaea) ❑ ❑Mussels/Clams(not Corbicula) ❑ ❑Other fish • ❑Salamanders/tadpoles ❑ ❑Snails ❑ ❑Stonefly larvae(P) ❑ ❑Tipulid larvae ❑ ❑Worms/leeches 13. Streamside Area Ground Surface Condition—streamside area metric(skip for Tidal Marsh Streams and B valley types) Consider for the Left Bank(LB)and the Right Bank(RB). Consider storage capacity with regard to both overbank flow and upland runoff. LB RB ®A ®A Little or no alteration to water storage capacity over a majority of the streamside area ❑B ❑B Moderate alteration to water storage capacity over a majority of the streamside area ❑C ❑C Severe alteration to water storage capacity over a majority of the streamside area(examples: ditches,fill,soil compaction, livestock disturbance, buildings, man-made levees,drainage pipes) 14. Streamside Area Water Storage—streamside area metric(skip for Size 1 streams,Tidal Marsh Streams,and B valley types) Consider for the Left Bank(LB)and the Right Bank(RB)of the streamside area. LB RB ❑A ❑A Majority of streamside area with depressions able to pond water>_6 inches deep ❑B ❑B Majority of streamside area with depressions able to pond water 3 to 6 inches deep ®C Majority of streamside area with depressions able to pond water<3 inches deep 15. Wetland Presence—streamside area metric(skip for Tidal Marsh Streams) Consider for the Left Bank(LB)and the Right Bank(RB). Do not consider wetlands outside of the streamside area or within the normal wetted perimeter of assessment reach. LB RB ❑Y ZY Are wetlands present in the streamside area? ❑N ❑N 16. Baseflow Contributors—assessment reach metric(skip for Size 4 streams and Tidal Marsh Streams) Check all contributors within the assessment reach or within view of and draining to the assessment reach. ▪ Streams and/or springs(jurisdictional discharges) ❑B Ponds(include wet detention basins; do not include sediment basins or dry detention basins) ❑C Obstruction passing flow during low-flow periods within the assessment area(beaver dam, leaky dam, bottom-release dam,weir) ZD Evidence of bank seepage or sweating (iron in water indicates seepage) ZE Stream bed or bank soil reduced (dig through deposited sediment if present) ❑F None of the above 17. Baseflow Detractors—assessment area metric(skip for Tidal Marsh Streams) Check all that apply. ❑A Evidence of substantial water withdrawals from the assessment reach (includes areas excavated for pump installation) ❑B Obstruction not passing flow during low-flow periods affecting the assessment reach(ex:watertight dam,sediment deposit) ❑C Urban stream (>_24%impervious surface for watershed) ❑D Evidence that the streamside area has been modified resulting in accelerated drainage into the assessment reach ❑E Assessment reach relocated to valley edge ®F None of the above 18. Shading—assessment reach metric(skip for Tidal Marsh Streams) Consider aspect. Consider"leaf-on"condition. ❑A Stream shading is appropriate for stream category(may include gaps associated with natural processes) ZB Degraded(example: scattered trees) ❑C Stream shading is gone or largely absent 19. Buffer Width—streamside area metric(skip for Tidal Marsh Streams) Consider"vegetated buffer" and"wooded buffer"separately for left bank(LB)and right bank(RB)starting at the top of bank out to the first break. Vegetated Wooded LB RB LB RB ®A ®A ❑A ❑A >_ 100 feet wide or extends to the edge of the watershed ❑B ❑B ❑B ❑B From 50 to< 100 feet wide ❑C ❑C ❑C ❑C From 30 to<50 feet wide ❑D ❑D ®D ❑D From 10 to<30 feet wide ❑E ❑E ❑E ❑E < 10 feet wide or no trees 20. Buffer Structure—streamside area metric(skip for Tidal Marsh Streams) Consider for left bank(LB)and right bank(RB)for Metric 19("Vegetated" Buffer Width). LB RB ❑A ❑A Mature forest ❑B ❑B Non-mature woody vegetation or modified vegetation structure ❑C ❑C Herbaceous vegetation with or without a strip of trees< 10 feet wide ❑D ❑D Maintained shrubs ❑E ❑E Little or no vegetation 21. Buffer Stressors—streamside area metric(skip for Tidal Marsh Streams) Check all appropriate boxes for left bank(LB)and right bank(RB). Indicate if listed stressor abuts stream (Abuts),does not abut but is within 30 feet of stream(<30 feet),or is between 30 to 50 feet of stream(30-50 feet). If none of the following stressors occurs on either bank,check here and skip to Metric 22: ❑ Abuts <30 feet 30-50 feet LB RB LB RB LB RB ❑A ❑A ❑A ❑A ❑A ❑A Row crops ❑B ❑B ❑B ❑B ❑B ❑B Maintained turf ❑C ❑C ❑C ❑C ❑C ❑C Pasture(no livestock)/commercial horticulture ®D ❑D ❑D ❑D ❑D ❑D Pasture(active livestock use) 22. Stem Density—streamside area metric(skip for Tidal Marsh Streams) Consider for left bank(LB)and right bank(RB)for Metric 19("Wooded" Buffer Width). LB RB ❑A ❑A Medium to high stem density ❑B ❑B Low stem density ❑C ❑C No wooded riparian buffer or predominantly herbaceous species or bare ground 23. Continuity of Vegetated Buffer—streamside area metric(skip for Tidal Marsh Streams) Consider whether vegetated buffer is continuous along stream(parallel). Breaks are areas lacking vegetation > 10 feet wide. LB RB ®A ®A The total length of buffer breaks is<25 percent. ❑B ❑B The total length of buffer breaks is between 25 and 50 percent. ❑C ❑C The total length of buffer breaks is>50 percent. 24. Vegetative Composition—streamside area metric(skip for Tidal Marsh Streams) Evaluate the dominant vegetation within 100 feet of each bank or to the edge of the watershed (whichever comes first)as it contributes to assessment reach habitat. LB RB ❑A ❑A Vegetation is close to undisturbed in species present and their proportions. Lower strata composed of native species, with non-native invasive species absent or sparse. ®B ®B Vegetation indicates disturbance in terms of species diversity or proportions, but is still largely composed of native species. This may include communities of weedy native species that develop after clear-cutting or clearing or communities with non-native invasive species present, but not dominant, over a large portion of the expected strata or communities missing understory but retaining canopy trees. ❑C ❑C Vegetation is severely disturbed in terms of species diversity or proportions. Mature canopy is absent or communities with non-native invasive species dominant over a large portion of expected strata or communities composed of planted stands of non-characteristic species or communities inappropriately composed of a single species or no vegetation. 25. Conductivity—assessment reach metric(skip for all Coastal Plain streams) 25a. ['Yes ®No Was conductivity measurement recorded? If No,select one of the following reasons. ❑No Water ['Other: 25b. Check the box corresponding to the conductivity measurement(units of microsiemens per centimeter). ❑A <46 ❑B 46 to<67 ❑C 67 to<79 LID 79 to<230 ❑E >_230 Notes/Sketch: Draft NC SAM Stream Rating Sheet Accompanies User Manual Version 2.1 Stream Site Name Starker Mitigation Bank Date of Assessment 7/14/2020 Stream Category Pb2 Assessor Name/Organization Amy James/EPR Notes of Field Assessment Form (Y/N) NO Presence of regulatory considerations (Y/N) NO Additional stream information/supplementary measurements included(Y/N) NC SAM feature type (perennial, intermittent,Tidal Marsh Stream) Perennial USACE/ NCDWR Function Class Rating Summary All Streams Intermittent (1) Hydrology LOW (2) Baseflow HIGH (2) Flood Flow LOW (3)Streamside Area Attenuation LOW (4) Floodplain Access LOW (4)Wooded Riparian Buffer LOW (4) Microtopography NA (3)Stream Stability MEDIUM (4)Channel Stability LOW (4)Sediment Transport HIGH (4)Stream Geomorphology MEDIUM (2)Stream/Intertidal Zone Interaction NA (2)Longitudinal Tidal Flow NA (2)Tidal Marsh Stream Stability NA (3)Tidal Marsh Channel Stability NA (3)Tidal Marsh Stream Geomorphology NA (1)Water Quality MEDIUM (2) Baseflow HIGH (2)Streamside Area Vegetation LOW (3) Upland Pollutant Filtration LOW (3)Thermoregulation MEDIUM (2) Indicators of Stressors YES (2)Aquatic Life Tolerance HIGH (2)Intertidal Zone Filtration NA (1) Habitat LOW (2) In-stream Habitat LOW (3) Baseflow HIGH (3)Substrate HIGH (3)Stream Stability LOW (3) In-stream Habitat LOW (2)Stream-side Habitat MEDIUM (3)Stream-side Habitat MEDIUM (3)Thermoregulation MEDIUM (2)Tidal Marsh In-stream Habitat NA (3)Flow Restriction NA (3)Tidal Marsh Stream Stability NA (4)Tidal Marsh Channel Stability NA (4)Tidal Marsh Stream Geomorphology NA (3)Tidal Marsh In-stream Habitat NA (2)Intertidal Zone NA Overall LOW NC WAM FIELD ASSESSMENT FORM Accompanies User Manual Version 5.0 USACE AID# NCDWR# Project Name Starker Mitigation Bank Date of Evaluation 7/14/2020 Applicant/Owner Name WLS/Hunsucker Farms LLC Wetland Site Name Wetland A Wetland Type Headwater Forest Assessor Name/Organization Amy James/EPR Level III Ecoregion Piedmont Nearest Named Water Body Mull Creek River Basin Catawba USGS 8-Digit Catalogue Unit 03050101 County Catawba NCDWR Region Mooresville ❑ Yes ® No Precipitation within 48 hrs? Latitude/Longitude(deci-degrees) 35.726300, -81.175047 Evidence of stressors affecting the assessment area(may not be within the assessment area) Please circle and/or make note on the last page if evidence of stressors is apparent. Consider departure from reference, if appropriate, in recent past(for instance,within 10 years). Noteworthy stressors include, but are not limited to the following. • Hydrological modifications(examples: ditches, dams,beaver dams,dikes, berms,ponds, etc.) • Surface and sub-surface discharges into the wetland(examples:discharges containing obvious pollutants,presence of nearby septic tanks, underground storage tanks(USTs), hog lagoons,etc.) • Signs of vegetation stress(examples: vegetation mortality, insect damage,disease,storm damage,salt intrusion, etc.) • Habitat/plant community alteration(examples: mowing, clear-cutting,exotics,etc.) Is the assessment area intensively managed? ❑ Yes ® No Regulatory Considerations-Were regulatory considerations evaluated? ❑Yes No If Yes,check all that apply to the assessment area. ❑ Anadromous fish ❑ Federally protected species or State endangered or threatened species ❑ NCDWR riparian buffer rule in effect ❑ Abuts a Primary Nursery Area(PNA) ❑ Publicly owned property ❑ N.C. Division of Coastal Management Area of Environmental Concern (AEC)(including buffer) ❑ Abuts a stream with a NCDWQ classification of SA or supplemental classifications of HQW,ORW,or Trout ❑ Designated NCNHP reference community ❑ Abuts a 303(d)-listed stream or a tributary to a 303(d)-listed stream What type of natural stream is associated with the wetland, if any?(check all that apply) ❑ Blackwater ® Brownwater ❑ Tidal (if tidal,check one of the following boxes) ❑ Lunar ❑ Wind ❑ Both Is the assessment area on a coastal island? ❑ Yes ® No Is the assessment area's surface water storage capacity or duration substantially altered by beaver? ❑ Yes ® No Does the assessment area experience overbank flooding during normal rainfall conditions? ❑ Yes ® No 1. Ground Surface Condition/Vegetation Condition—assessment area condition metric Check a box in each column. Consider alteration to the ground surface(GS)in the assessment area and vegetation structure(VS)in the assessment area. Compare to reference wetland if applicable(see User Manual). If a reference is not applicable,then rate the assessment area based on evidence an effect. GS VS ❑A ❑A Not severely altered ®B ®B Severely altered over a majority of the assessment area(ground surface alteration examples: vehicle tracks,excessive sedimentation, fire-plow lanes, skidder tracks, bedding, fill, soil compaction, obvious pollutants) (vegetation structure alteration examples: mechanical disturbance,herbicides,salt intrusion[where appropriate],exotic species,grazing,less diversity[if appropriate], hydrologic alteration) 2. Surface and Sub-Surface Storage Capacity and Duration—assessment area condition metric Check a box in each column. Consider surface storage capacity and duration(Surf)and sub-surface storage capacity and duration(Sub). Consider both increase and decrease in hydrology. A ditch <_ 1 foot deep is considered to affect surface water only,while a ditch > 1 foot deep is expected to affect both surface and sub-surface water. Consider tidal flooding regime,if applicable. Surf Sub ®A ®A Water storage capacity and duration are not altered. ❑B ❑B Water storage capacity or duration are altered, but not substantially(typically,not sufficient to change vegetation). ❑C ❑C Water storage capacity or duration are substantially altered (typically, alteration sufficient to result in vegetation change) (examples:draining,flooding,soil compaction,filling,excessive sedimentation, underground utility lines). 3. Water Storage/Surface Relief—assessment area/wetland type condition metric(skip for all marshes) Check a box in each column. Select the appropriate storage for the assessment area(AA)and the wetland type(WT). AA WT 3a. ❑A ❑A Majority of wetland with depressions able to pond water> 1 deep ❑B ❑B Majority of wetland with depressions able to pond water 6 inches to 1 foot deep ®C ®C Majority of wetland with depressions able to pond water 3 to 6 inches deep ❑D ❑D Depressions able to pond water<3 inches deep 3b. ❑A Evidence that maximum depth of inundation is greater than 2 feet ❑B Evidence that maximum depth of inundation is between 1 and 2 feet ®C Evidence that maximum depth of inundation is less than 1 foot 4. Soil Texture/Structure—assessment area condition metric(skip for all marshes) Check a box from each of the three soil property groups below. Dig soil profile in the dominant assessment area landscape feature. Make soil observations within the top 12 inches. Use most recent National Technical Committee for Hydric Soils guidance for regional indicators. 4a. ❑A Sandy soil ▪ Loamy or clayey soils exhibiting redoximorphic features(concentrations, depletions,or rhizospheres) ❑C Loamy or clayey soils not exhibiting redoximorphic features ❑D Loamy or clayey gleyed soil ❑E Histosol or histic epipedon 4b. ❑A Soil ribbon< 1 inch Soil ribbon>_1 inch 4c. ❑A No peat or muck presence ❑B A peat or muck presence 5. Discharge into Wetland—opportunity metric Check a box in each column. Consider surface pollutants or discharges(Surf)and sub-surface pollutants or discharges(Sub). Examples of sub-surface discharges include presence of nearby septic tank,underground storage tank(UST),etc. Surf Sub ®A Little or no evidence of pollutants or discharges entering the assessment area ❑B ❑B Noticeable evidence of pollutants or discharges entering the wetland and stressing, but not overwhelming the treatment capacity of the assessment area ❑C ❑C Noticeable evidence of pollutants or discharges(pathogen, particulate,or soluble)entering the assessment area and potentially overwhelming the treatment capacity of the wetland (water discoloration, dead vegetation,excessive sedimentation, odor) 6. Land Use—opportunity metric(skip for non-riparian wetlands) Check all that apply(at least one box in each column). Evaluation involves a GIS effort with field adjustment. Consider sources draining to assessment area within entire upstream watershed (WS),within 5 miles and within the watershed draining to the assessment area (5M), and within 2 miles and within the watershed draining to the assessment area (2M). WS 5M 2M ❑A ❑A ❑A > 10%impervious surfaces ❑B ❑B ❑B Confined animal operations(or other local,concentrated source of pollutants ❑C ❑C ®C >_20%coverage of pasture 20%coverage of agricultural land(regularly plowed land) ❑E ❑E ❑E >_20%coverage of maintained grass/herb ❑F OF OF >_20%coverage of clear-cut land ❑G ❑G ❑G Little or no opportunity to improve water quality. Lack of opportunity may result from little or no disturbance in the watershed or hydrologic alterations that prevent drainage and/or overbank flow from affecting the assessment area. 7. Wetland Acting as Vegetated Buffer—assessment area/wetland complex condition metric(skip for non-riparian wetlands) 7a. Is assessment area within 50 feet of a tributary or other open water? ®Yes ❑No If Yes,continue to 7b. If No,skip to Metric 8. Wetland buffer need only be present on one side of the water body. Make buffer judgment based on the average width of wetland. Record a note if a portion of the buffer has been removed or disturbed. 7b. How much of the first 50 feet from the bank is wetland? (Wetland buffer need only be present on one side of the .water body. Make buffer judgment based on the average width of wetland. Record a note if a portion of the buffer has been removed or disturbed.) ❑A >_50 feet ®B From 30 to<50 feet ❑C From 15 to<30 feet ❑D From 5 to< 15 feet ❑E <5 feet or buffer bypassed by ditches 7c. Tributary width. If the tributary is anastomosed,combine widths of channels/braids for a total width. ®<_ 15-feet wide ❑> 15-feet wide ❑ Other open water(no tributary present) 7d. Do roots of assessment area vegetation extend into the bank of the tributary/open water? ®Yes ❑No 7e. Is stream or other open water sheltered or exposed? ®Sheltered—adjacent open water with width <2500 feet and no regular boat traffic. ❑Exposed—adjacent open water with width>_2500 feet or regular boat traffic. 8. Wetland Width at the Assessment Area—wetland type/wetland complex condition metric(evaluate WT for all marshes and Estuarine Woody Wetland only; evaluate WC for Bottomland Hardwood Forest, Headwater Forest, and Riverine Swamp Forest only) Check a box in each column for riverine wetlands only. Select the average width for the wetland type at the assessment area(WT)and the wetland complex at the assessment area(WC). See User Manual for WT and WC boundaries. WT WC ❑A ❑A >_ 100 feet ❑B ®B From 80 to< 100 feet ❑C ❑C From 50 to<80 feet ❑D ❑D From 40 to<50 feet ❑E ❑E From 30 to<40 feet O F OF From 15 to<30 feet ❑G ❑G From 5 to< 15 feet ❑H ❑H <5 feet 9. Inundation Duration—assessment area condition metric(skip for non-riparian wetlands) Answer for assessment area dominant landform. ❑A Evidence of short-duration inundation(<7 consecutive days) ❑B Evidence of saturation,without evidence of inundation ❑C Evidence of long-duration inundation or very long-duration inundation(7 to 30 consecutive days or more) 10. Indicators of Deposition—assessment area condition metric(skip for non-riparian wetlands and all marshes) Consider recent deposition only(no plant growth since deposition). ®A Sediment deposition is not excessive, but at approximately natural levels. ❑B Sediment deposition is excessive, but not overwhelming the wetland. ❑C Sediment deposition is excessive and is overwhelming the wetland. 11. Wetland Size—wetland type/wetland complex condition metric Check a box in each column. Involves a GIS effort with field adjustment. This metric evaluates three aspects of the wetland area: the size of the wetland type (WT), the size of the wetland complex (WC), and the size of the forested wetland (FW) (if applicable, see User Manual). See the User Manual for boundaries of these evaluation areas. If assessment area is clear-cut,select"K"for the FW column. WT WC FW(if applicable) ❑A ❑A ❑A >_500 acres ❑B ❑B ❑B From 100 to<500 acres ❑C ❑C ❑C From 50 to< 100 acres ❑D ❑D ❑D From 25 to<50 acres ❑E ❑E ❑E From 10 to<25 acres ❑F ❑F ❑F From 5 to< 10 acres ®G ®G LIG From 1 to<5 acres ❑H ❑H ®H From 0.5 to< 1 acre ❑I ❑I ❑I From 0.1 to<0.5 acre ❑J ❑J ❑J From 0.01 to<0.1 acre ❑K ❑K ❑K <0.01 acre or assessment area is clear-cut 12. Wetland Intactness—wetland type condition metric(evaluate for Pocosins only) ❑A Pocosin is the full extent(>_90%)of its natural landscape size. ❑B Pocosin type is<90%of the full extent of its natural landscape size. 13. Connectivity to Other Natural Areas—landscape condition metric 13a. Check appropriate box(es) (a box may be checked in each column). Involves a GIS effort with field adjustment. This metric evaluates whether the wetland is well connected (Well) and/or loosely connected (Loosely)to the landscape patch, the contiguous naturally vegetated area and open water(if appropriate). Boundaries are formed by four-lane roads, regularly maintained utility line corridors the width of a four-lane road or wider, urban landscapes, maintained fields (pasture and agriculture), or open water> 300 feet wide. Well Loosely ❑A ❑A >_500 acres ❑B ❑B From 100 to<500 acres ❑C ❑C From 50 to< 100 acres ❑D ®D From 10 to<50 acres ❑E ❑E < 10 acres ❑F ❑F Wetland type has a poor or no connection to other natural habitats 13b. Evaluate for marshes only. ['Yes El No Wetland type has a surface hydrology connection to open waters/stream or tidal wetlands. 14. Edge Effect—wetland type condition metric(skip for all marshes and Estuarine Woody Wetland) May involve a GIS effort with field adjustment. Estimate distance from wetland type boundary to artificial edges. Artificial edges include non-forested areas>_40 feet wide such as fields, development, roads, regularly maintained utility line corridors, and clear-cuts. Consider the eight main points of the compass. Artificial edge occurs within 150 feet in how many directions? If the assessment area is clear cut, select option"C." ❑A 0 ❑B 1 to ▪ 5to8 15. Vegetative Composition—assessment area condition metric(skip for all marshes and Pine Flat) ❑A Vegetation is close to reference condition in species present and their proportions. Lower strata composed of appropriate species,with exotic plants absent or sparse within the assessment area. ❑B Vegetation is different from reference condition in species diversity or proportions, but still largely composed of native species characteristic of the wetland type. This may include communities of weedy native species that develop after clearcutting or clearing. It also includes communities with exotics present, but not dominant,over a large portion of the expected strata. ❑C Vegetation severely altered from reference in composition, or expected species are unnaturally absent (planted stands of non- characteristic species or at least one stratum inappropriately composed of a single species), or exotic species are dominant in at least one stratum. 16. Vegetative Diversity—assessment area condition metric(evaluate for Non-tidal Freshwater Marsh only) ❑A Vegetation diversity is high and is composed primarily of native species(< 10%cover of exotics). ®B Vegetation diversity is low or has> 10%to 50%cover of exotics. ❑C Vegetation is dominated by exotic species(>50%cover of exotics). 17. Vegetative Structure—assessment area/wetland type condition metric 17a. Is vegetation present? ®Yes ❑No If Yes,continue to 17b. If No,skip to Metric 18. 17b. Evaluate percent coverage of assessment area vegetation for all marshes only. Skip to 17c for non-marsh wetlands. ❑A >_25%coverage of vegetation ❑B <25%coverage of vegetation 17c. Check a box in each column for each stratum. Evaluate this portion of the metric for non-marsh wetlands. Consider structure in airspace above the assessment area (AA)and the wetland type(WT)separately. AA WT o❑A ❑A Canopy closed,or nearly closed,with natural gaps associated with natural processes ®B ®B Canopy present, but opened more than natural gaps co U ❑C ❑C Canopy sparse or absent g❑A ❑A Dense mid-story/sapling layer ❑B ❑B Moderate density mid-story/sapling layer 2— ❑C ❑C Mid-story/sapling layer sparse or absent -0❑A ❑A Dense shrub layer s ®B ®B Moderate density shrub layer ❑C ❑C Shrub layer sparse or absent ❑A ❑A Dense herb layer ®B ®B Moderate density herb layer ❑C ❑C Herb layer sparse or absent 18. Snags—wetland type condition metric(skip for all marshes) ❑A Large snags(more than one)are visible(> 12 inches DBH,or large relative to species present and landscape stability). ®B NotA 19. Diameter Class Distribution—wetland type condition metric(skip for all marshes) ❑A Majority of canopy trees have stems>6 inches in diameter at breast height(DBH); many large trees(> 12 inches DBH)are present. ❑B Majority of canopy trees have stems between 6 and 12 inches DBH,few are> 12 inch DBH. ▪ Majority of canopy trees are<6 inches DBH or no trees. 20. Large Woody Debris—wetland type condition metric(skip for all marshes) Include both natural debris and man-placed natural debris. ❑A Large logs(more than one)are visible(> 12 inches in diameter,or large relative to species present and landscape stability). ®B NotA 21. Vegetation/Open Water Dispersion—wetland type/open water condition metric(evaluate for Non-Tidal Freshwater Marsh only) Select the figure that best describes the amount of interspersion between vegetation and open water in the growing season. Patterned areas indicate vegetated areas,while solid white areas indicate open water. ❑A ❑B ❑C ,r ❑D 22. Hydrologic Connectivity—assessment area condition metric(evaluate for riparian wetlands and Salt/Brackish Marsh only) Examples of activities that may severely alter hydrologic connectivity include intensive ditching,fill,sedimentation,channelization,diversion, man-made berms,beaver dams, and stream incision. Documentation required if evaluated as B, C,or D. ❑A Overbank and overland flow are not severely altered in the assessment area. ❑B Overbank flow is severely altered in the assessment area. ❑C Overland flow is severely altered in the assessment area. ❑D Both overbank and overland flow are severely altered in the assessment area. Notes NC WAM Wetland Rating Sheet Accompanies User Manual Version 5.0 Wetland Site Name Wetland A Date of Assessment 7/14/2020 Wetland Type Headwater Forest Assessor Name/Organization Amy James/EPR Notes on Field Assessment Form (Y/N) NO Presence of regulatory considerations (Y/N) NO Wetland is intensively managed (Y/N) NO Assessment area is located within 50 feet of a natural tributary or other open water (Y/N) YES Assessment area is substantially altered by beaver (Y/N) NO Assessment area experiences overbank flooding during normal rainfall conditions (Y/N) NO Assessment area is on a coastal island (Y/N) NO Sub-function Rating Summary Function Sub-function Metrics Rating Hydrology Surface Storage and Retention Condition MEDIUM Sub-surface Storage and Retention Condition MEDIUM Water Quality Pathogen Change Condition MEDIUM Condition/Opportunity MEDIUM Opportunity Presence (Y/N) NO Particulate Change Condition MEDIUM Condition/Opportunity NA Opportunity Presence (Y/N) NA Soluble Change Condition MEDIUM Condition/Opportunity MEDIUM Opportunity Presence (Y/N) NO Physical Change Condition MEDIUM Condition/Opportunity MEDIUM Opportunity Presence (Y/N) NO Pollution Change Condition NA Condition/Opportunity NA Opportunity Presence (Y/N) NA Habitat Physical Structure Condition LOW Landscape Patch Structure Condition LOW Vegetation Composition Condition LOW Function Rating Summary Function Metrics Rating Hydrology Condition MEDIUM Water Quality Condition MEDIUM Condition/Opportunity MEDIUM Opportunity Presence (Y/N) NO Habitat Condition LOW Overall Wetland Rating MEDIUM NC WAM FIELD ASSESSMENT FORM Accompanies User Manual Version 5.0 USACE AID# NCDWR# Project Name Starker Mitigation Bank Date of Evaluation 7/14/2020 Applicant/Owner Name WLS/Hunsucker Farms LLC Wetland Site Name Wetland B Wetland Type Headwater Forest Assessor Name/Organization Amy James/EPR Level III Ecoregion Piedmont Nearest Named Water Body Mull Creek River Basin Catawba USGS 8-Digit Catalogue Unit 03050101 County Catawba NCDWR Region Mooresville ❑ Yes ® No Precipitation within 48 hrs? Latitude/Longitude(deci-degrees) 35.724651, -81.173859 Evidence of stressors affecting the assessment area(may not be within the assessment area) Please circle and/or make note on the last page if evidence of stressors is apparent. Consider departure from reference, if appropriate, in recent past(for instance,within 10 years). Noteworthy stressors include, but are not limited to the following. • Hydrological modifications(examples: ditches,dams, beaver dams,dikes, berms,ponds, etc.) • Surface and sub-surface discharges into the wetland(examples:discharges containing obvious pollutants,presence of nearby septic tanks, underground storage tanks(USTs), hog lagoons,etc.) • Signs of vegetation stress(examples: vegetation mortality, insect damage,disease,storm damage,salt intrusion, etc.) • Habitat/plant community alteration(examples: mowing,clear-cutting,exotics,etc.) Is the assessment area intensively managed? ❑ Yes ❑ No Regulatory Considerations-Were regulatory considerations evaluated? ❑Yes No If Yes,check all that apply to the assessment area. ❑ Anadromous fish ❑ Federally protected species or State endangered or threatened species ❑ NCDWR riparian buffer rule in effect ❑ Abuts a Primary Nursery Area(PNA) ❑ Publicly owned property ❑ N.C. Division of Coastal Management Area of Environmental Concern (AEC)(including buffer) ❑ Abuts a stream with a NCDWQ classification of SA or supplemental classifications of HQW,ORW,or Trout ❑ Designated NCNHP reference community ❑ Abuts a 303(d)-listed stream or a tributary to a 303(d)-listed stream What type of natural stream is associated with the wetland, if any?(check all that apply) ❑ Blackwater ® Brownwater ❑ Tidal (if tidal,check one of the following boxes) ❑ Lunar ❑ Wind ❑ Both Is the assessment area on a coastal island? ❑ Yes ® No Is the assessment area's surface water storage capacity or duration substantially altered by beaver? ❑ Yes ® No Does the assessment area experience overbank flooding during normal rainfall conditions? ❑ Yes ® No 1. Ground Surface Condition/Vegetation Condition—assessment area condition metric Check a box in each column. Consider alteration to the ground surface(GS)in the assessment area and vegetation structure(VS)in the assessment area. Compare to reference wetland if applicable(see User Manual). If a reference is not applicable,then rate the assessment area based on evidence an effect. GS VS ❑A ®A Not severely altered ❑B ❑B Severely altered over a majority of the assessment area(ground surface alteration examples: vehicle tracks,excessive sedimentation, fire-plow lanes, skidder tracks, bedding, fill, soil compaction, obvious pollutants) (vegetation structure alteration examples: mechanical disturbance,herbicides,salt intrusion[where appropriate],exotic species,grazing,less diversity[if appropriate], hydrologic alteration) 2. Surface and Sub-Surface Storage Capacity and Duration—assessment area condition metric Check a box in each column. Consider surface storage capacity and duration(Surf)and sub-surface storage capacity and duration(Sub). Consider both increase and decrease in hydrology. A ditch <_ 1 foot deep is considered to affect surface water only,while a ditch > 1 foot deep is expected to affect both surface and sub-surface water. Consider tidal flooding regime,if applicable. Surf Sub ®A ®A Water storage capacity and duration are not altered. ❑B ❑B Water storage capacity or duration are altered, but not substantially(typically,not sufficient to change vegetation). ❑C ❑C Water storage capacity or duration are substantially altered (typically, alteration sufficient to result in vegetation change) (examples:draining,flooding,soil compaction,filling,excessive sedimentation, underground utility lines). 3. Water Storage/Surface Relief—assessment area/wetland type condition metric(skip for all marshes) Check a box in each column. Select the appropriate storage for the assessment area(AA)and the wetland type(WT). AA WT 3a. ❑A ❑A Majority of wetland with depressions able to pond water> 1 deep ❑B ❑B Majority of wetland with depressions able to pond water 6 inches to 1 foot deep ❑C ❑C Majority of wetland with depressions able to pond water 3 to 6 inches deep ®D ❑D Depressions able to pond water<3 inches deep 3b. ❑A Evidence that maximum depth of inundation is greater than 2 feet ®B Evidence that maximum depth of inundation is between 1 and 2 feet ❑C Evidence that maximum depth of inundation is less than 1 foot 4. Soil Texture/Structure—assessment area condition metric(skip for all marshes) Check a box from each of the three soil property groups below. Dig soil profile in the dominant assessment area landscape feature. Make soil observations within the top 12 inches. Use most recent National Technical Committee for Hydric Soils guidance for regional indicators. 4a. ❑A Sandy soil ▪ Loamy or clayey soils exhibiting redoximorphic features(concentrations, depletions,or rhizospheres) ❑C Loamy or clayey soils not exhibiting redoximorphic features ❑D Loamy or clayey gleyed soil ❑E Histosol or histic epipedon 4b. ❑A Soil ribbon< 1 inch Soil ribbon>_1 inch 4c. ❑A No peat or muck presence ❑B A peat or muck presence 5. Discharge into Wetland—opportunity metric Check a box in each column. Consider surface pollutants or discharges(Surf)and sub-surface pollutants or discharges(Sub). Examples of sub-surface discharges include presence of nearby septic tank,underground storage tank(UST),etc. Surf Sub ®A ®A Little or no evidence of pollutants or discharges entering the assessment area ❑B ❑B Noticeable evidence of pollutants or discharges entering the wetland and stressing, but not overwhelming the treatment capacity of the assessment area ❑C ❑C Noticeable evidence of pollutants or discharges(pathogen, particulate,or soluble)entering the assessment area and potentially overwhelming the treatment capacity of the wetland (water discoloration, dead vegetation,excessive sedimentation, odor) 6. Land Use—opportunity metric(skip for non-riparian wetlands) Check all that apply(at least one box in each column). Evaluation involves a GIS effort with field adjustment. Consider sources draining to assessment area within entire upstream watershed (WS),within 5 miles and within the watershed draining to the assessment area (5M), and within 2 miles and within the watershed draining to the assessment area (2M). WS 5M 2M ❑A ❑A ❑A > 10%impervious surfaces ❑B ❑B ❑B Confined animal operations(or other local,concentrated source of pollutants ❑C ❑C ®C >_20%coverage of pasture ❑D ❑D ❑D >_20%coverage of agricultural land(regularly plowed land) ❑E ❑E ❑E >_20%coverage of maintained grass/herb OF OF OF >_20%coverage of clear-cut land ❑G LIG LIG Little or no opportunity to improve water quality. Lack of opportunity may result from little or no disturbance in the watershed or hydrologic alterations that prevent drainage and/or overbank flow from affecting the assessment area. 7. Wetland Acting as Vegetated Buffer—assessment area/wetland complex condition metric(skip for non-riparian wetlands) 7a. Is assessment area within 50 feet of a tributary or other open water? ®Yes ❑No If Yes,continue to 7b. If No,skip to Metric 8. Wetland buffer need only be present on one side of the water body. Make buffer judgment based on the average width of wetland. Record a note if a portion of the buffer has been removed or disturbed. 7b. How much of the first 50 feet from the bank is wetland? (Wetland buffer need only be present on one side of the .water body. Make buffer judgment based on the average width of wetland. Record a note if a portion of the buffer has been removed or disturbed.) ❑A >_50 feet ❑B From 30 to<50 feet ❑C From 15 to<30 feet ®D From 5 to< 15 feet ❑E <5 feet or buffer bypassed by ditches 7c. Tributary width. If the tributary is anastomosed,combine widths of channels/braids for a total width. ®<_ 15-feet wide ❑> 15-feet wide ❑ Other open water(no tributary present) 7d. Do roots of assessment area vegetation extend into the bank of the tributary/open water? ❑Yes No 7e. Is stream or other open water sheltered or exposed? ®Sheltered—adjacent open water with width <2500 feet and no regular boat traffic. ❑Exposed—adjacent open water with width>_2500 feet or regular boat traffic. 8. Wetland Width at the Assessment Area—wetland type/wetland complex condition metric(evaluate WT for all marshes and Estuarine Woody Wetland only; evaluate WC for Bottomland Hardwood Forest, Headwater Forest, and Riverine Swamp Forest only) Check a box in each column for riverine wetlands only. Select the average width for the wetland type at the assessment area(WT)and the wetland complex at the assessment area(WC). See User Manual for WT and WC boundaries. WT WC ❑A ❑A >_ 100 feet ❑B ❑B From 80 to< 100 feet ❑C ❑C From 50 to<80 feet ❑D ❑D From 40 to<50 feet ❑E ❑E From 30 to<40 feet ❑F OF From 15 to<30 feet LIG ZG From 5 to< 15 feet ❑H ❑H <5 feet 9. Inundation Duration—assessment area condition metric(skip for non-riparian wetlands) Answer for assessment area dominant landform. ❑A Evidence of short-duration inundation(<7 consecutive days) ❑B Evidence of saturation,without evidence of inundation Evidence of long-duration inundation or very long-duration inundation(7 to 30 consecutive days or more) 10. Indicators of Deposition—assessment area condition metric(skip for non-riparian wetlands and all marshes) Consider recent deposition only(no plant growth since deposition). ®A Sediment deposition is not excessive, but at approximately natural levels. ❑B Sediment deposition is excessive, but not overwhelming the wetland. ❑C Sediment deposition is excessive and is overwhelming the wetland. 11. Wetland Size—wetland type/wetland complex condition metric Check a box in each column. Involves a GIS effort with field adjustment. This metric evaluates three aspects of the wetland area: the size of the wetland type (WT), the size of the wetland complex (WC), and the size of the forested wetland (FW) (if applicable, see User Manual). See the User Manual for boundaries of these evaluation areas. If assessment area is clear-cut,select"K"for the FW column. WT WC FW(if applicable) ❑A ❑A ❑A >_500 acres ❑B ❑B ❑B From 100 to<500 acres ❑C ❑C ❑C From 50 to< 100 acres ❑D ❑D ❑D From 25 to<50 acres ❑E ❑E ❑E From 10 to<25 acres ❑F ❑F ❑F From 5 to< 10 acres LIG LIG LIG From 1 to<5 acres ❑H ❑H ❑H From 0.5 to< 1 acre ❑I ❑I ❑I From 0.1 to<0.5 acre ®J ®J ®J From 0.01 to<0.1 acre ❑K ❑K ❑K <0.01 acre or assessment area is clear-cut 12. Wetland Intactness—wetland type condition metric(evaluate for Pocosins only) ❑A Pocosin is the full extent(>90%)of its natural landscape size. ❑B Pocosin type is<90%of the full extent of its natural landscape size. 13. Connectivity to Other Natural Areas—landscape condition metric 13a. Check appropriate box(es) (a box may be checked in each column). Involves a GIS effort with field adjustment. This metric evaluates whether the wetland is well connected (Well) and/or loosely connected (Loosely)to the landscape patch, the contiguous naturally vegetated area and open water(if appropriate). Boundaries are formed by four-lane roads, regularly maintained utility line corridors the width of a four-lane road or wider, urban landscapes, maintained fields (pasture and agriculture), or open water> 300 feet wide. Well Loosely ❑A ❑A >_500 acres ❑B ❑B From 100 to<500 acres ❑C ❑C From 50 to< 100 acres ❑D ®D From 10 to<50 acres ❑E ❑E < 10 acres ❑F ❑F Wetland type has a poor or no connection to other natural habitats 13b. Evaluate for marshes only. ['Yes ❑No Wetland type has a surface hydrology connection to open waters/stream or tidal wetlands. 14. Edge Effect—wetland type condition metric(skip for all marshes and Estuarine Woody Wetland) May involve a GIS effort with field adjustment. Estimate distance from wetland type boundary to artificial edges. Artificial edges include non-forested areas>_40 feet wide such as fields, development, roads, regularly maintained utility line corridors, and clear-cuts. Consider the eight main points of the compass. Artificial edge occurs within 150 feet in how many directions? If the assessment area is clear cut, select option"C." ❑A 0 ▪ 1 to ❑C 5to8 15. Vegetative Composition—assessment area condition metric(skip for all marshes and Pine Flat) ❑A Vegetation is close to reference condition in species present and their proportions. Lower strata composed of appropriate species,with exotic plants absent or sparse within the assessment area. ❑B Vegetation is different from reference condition in species diversity or proportions, but still largely composed of native species characteristic of the wetland type. This may include communities of weedy native species that develop after clearcutting or clearing. It also includes communities with exotics present, but not dominant,over a large portion of the expected strata. ❑C Vegetation severely altered from reference in composition, or expected species are unnaturally absent (planted stands of non- characteristic species or at least one stratum inappropriately composed of a single species), or exotic species are dominant in at least one stratum. 16. Vegetative Diversity—assessment area condition metric(evaluate for Non-tidal Freshwater Marsh only) ❑A Vegetation diversity is high and is composed primarily of native species(< 10%cover of exotics). ®B Vegetation diversity is low or has> 10%to 50%cover of exotics. ❑C Vegetation is dominated by exotic species(>50%cover of exotics). 17. Vegetative Structure—assessment area/wetland type condition metric 17a. Is vegetation present? ®Yes ❑No If Yes,continue to 17b. If No,skip to Metric 18. 17b. Evaluate percent coverage of assessment area vegetation for all marshes only. Skip to 17c for non-marsh wetlands. ❑A >_25%coverage of vegetation ❑B <25%coverage of vegetation 17c. Check a box in each column for each stratum. Evaluate this portion of the metric for non-marsh wetlands. Consider structure in airspace above the assessment area (AA)and the wetland type(WT)separately. AA WT o❑A ❑A Canopy closed,or nearly closed,with natural gaps associated with natural processes m ®B ®B Canopy present, but opened more than natural gaps U ❑C ❑C Canopy sparse or absent g❑A ❑A Dense mid-story/sapling layer ❑B ❑B Moderate density mid-story/sapling layer 2 ❑C ❑C Mid-story/sapling layer sparse or absent -0❑A ❑A Dense shrub layer s ❑B ❑B Moderate density shrub layer ®C ®C Shrub layer sparse or absent ❑A ❑A Dense herb layer _ ®B ®B Moderate density herb layer ❑C ❑C Herb layer sparse or absent 18. Snags—wetland type condition metric(skip for all marshes) ❑A Large snags(more than one)are visible(> 12 inches DBH,or large relative to species present and landscape stability). ®B NotA 19. Diameter Class Distribution—wetland type condition metric(skip for all marshes) ❑A Majority of canopy trees have stems>6 inches in diameter at breast height(DBH); many large trees(> 12 inches DBH)are present. ❑B Majority of canopy trees have stems between 6 and 12 inches DBH,few are> 12 inch DBH. ®C Majority of canopy trees are<6 inches DBH or no trees. 20. Large Woody Debris—wetland type condition metric(skip for all marshes) Include both natural debris and man-placed natural debris. ❑A Large logs(more than one)are visible(> 12 inches in diameter,or large relative to species present and landscape stability). ®B NotA 21. Vegetation/Open Water Dispersion—wetland type/open water condition metric(evaluate for Non-Tidal Freshwater Marsh only) Select the figure that best describes the amount of interspersion between vegetation and open water in the growing season. Patterned areas indicate vegetated areas,while solid white areas indicate open water. ❑A ❑B ❑C ,r ❑D ,,,,,,:. ..,_.,--7.,..4),,...z: . I " ,. tyf l.-y� y "j' � -il "d+1_,Psi v.k 22. Hydrologic Connectivity—assessment area condition metric(evaluate for riparian wetlands and Salt/Brackish Marsh only) Examples of activities that may severely alter hydrologic connectivity include intensive ditching,fill,sedimentation,channelization,diversion, man-made berms,beaver dams, and stream incision. Documentation required if evaluated as B, C,or D. ❑A Overbank and overland flow are not severely altered in the assessment area. ❑B Overbank flow is severely altered in the assessment area. ❑C Overland flow is severely altered in the assessment area. ❑D Both overbank and overland flow are severely altered in the assessment area. Notes Oxbox wetland that holds standing water for longer periods;outlets to stream on either end. NC WAM Wetland Rating Sheet Accompanies User Manual Version 5.0 Wetland Site Name Wetland B Date of Assessment 7/14/2020 Wetland Type Headwater Forest Assessor Name/Organization Amy James/EPR Notes on Field Assessment Form (Y/N) YES Presence of regulatory considerations (Y/N) NO Wetland is intensively managed (Y/N) NO Assessment area is located within 50 feet of a natural tributary or other open water (Y/N) YES Assessment area is substantially altered by beaver (Y/N) NO Assessment area experiences overbank flooding during normal rainfall conditions (Y/N) NO Assessment area is on a coastal island (Y/N) NO Sub-function Rati_Summary Function Sub-function Metrics Rating Hydrology Surface Storage and Retention Condition MEDIUM Sub-surface Storage and Retention Condition MEDIUM Water Quality Pathogen Change Condition LOW Condition/Opportunity MEDIUM Opportunity Presence (Y/N) YES Particulate Change Condition HIGH Condition/Opportunity NA Opportunity Presence (Y/N) NA Soluble Change Condition HIGH Condition/Opportunity HIGH Opportunity Presence (Y/N) YES Physical Change Condition LOW Condition/Opportunity LOW Opportunity Presence (Y/N) YES Pollution Change Condition NA Condition/Opportunity NA Opportunity Presence (Y/N) NA Habitat Physical Structure Condition LOW Landscape Patch Structure Condition LOW Vegetation Composition Condition LOW Function Rating Summary Function Metrics Rating Hydrology Condition MEDIUM Water Quality Condition MEDIUM Condition/Opportunity MEDIUM Opportunity Presence (Y/N) YES Habitat Condition LOW Overall Wetland Rating MEDIUM NC WAM FIELD ASSESSMENT FORM Accompanies User Manual Version 5.0 USACE AID# NCDWR# Project Name Starker Mitigation Bank Date of Evaluation 7/14/2020 Applicant/Owner Name WLS/Hunsucker Farms LLC Wetland Site Name Wetland C Wetland Type Headwater Forest Assessor Name/Organization Amy James/EPR Level III Ecoregion Piedmont Nearest Named Water Body Mull Creek River Basin Catawba USGS 8-Digit Catalogue Unit 03050101 County Catawba NCDWR Region Mooresville ❑ Yes ® No Precipitation within 48 hrs? Latitude/Longitude(deci-degrees) 35.724229, -81.173741 Evidence of stressors affecting the assessment area(may not be within the assessment area) Please circle and/or make note on the last page if evidence of stressors is apparent. Consider departure from reference, if appropriate, in recent past(for instance,within 10 years). Noteworthy stressors include, but are not limited to the following. • Hydrological modifications(examples: ditches,dams, beaver dams,dikes, berms,ponds, etc.) • Surface and sub-surface discharges into the wetland(examples:discharges containing obvious pollutants,presence of nearby septic tanks, underground storage tanks(USTs), hog lagoons,etc.) • Signs of vegetation stress(examples: vegetation mortality, insect damage,disease,storm damage,salt intrusion, etc.) • Habitat/plant community alteration(examples: mowing,clear-cutting,exotics,etc.) Is the assessment area intensively managed? ❑ Yes ❑ No Regulatory Considerations-Were regulatory considerations evaluated? ❑Yes No If Yes,check all that apply to the assessment area. ❑ Anadromous fish ❑ Federally protected species or State endangered or threatened species ❑ NCDWR riparian buffer rule in effect ❑ Abuts a Primary Nursery Area(PNA) ❑ Publicly owned property ❑ N.C. Division of Coastal Management Area of Environmental Concern (AEC)(including buffer) ❑ Abuts a stream with a NCDWQ classification of SA or supplemental classifications of HQW,ORW,or Trout ❑ Designated NCNHP reference community ❑ Abuts a 303(d)-listed stream or a tributary to a 303(d)-listed stream What type of natural stream is associated with the wetland, if any?(check all that apply) ❑ Blackwater ® Brownwater ❑ Tidal (if tidal,check one of the following boxes) ❑ Lunar ❑ Wind ❑ Both Is the assessment area on a coastal island? ❑ Yes ® No Is the assessment area's surface water storage capacity or duration substantially altered by beaver? ❑ Yes ® No Does the assessment area experience overbank flooding during normal rainfall conditions? ❑ Yes ® No 1. Ground Surface Condition/Vegetation Condition—assessment area condition metric Check a box in each column. Consider alteration to the ground surface(GS)in the assessment area and vegetation structure(VS)in the assessment area. Compare to reference wetland if applicable(see User Manual). If a reference is not applicable,then rate the assessment area based on evidence an effect. GS VS ❑A ❑A Not severely altered ®B ®B Severely altered over a majority of the assessment area(ground surface alteration examples: vehicle tracks,excessive sedimentation, fire-plow lanes, skidder tracks, bedding, fill, soil compaction, obvious pollutants) (vegetation structure alteration examples: mechanical disturbance,herbicides,salt intrusion[where appropriate],exotic species,grazing,less diversity[if appropriate], hydrologic alteration) 2. Surface and Sub-Surface Storage Capacity and Duration—assessment area condition metric Check a box in each column. Consider surface storage capacity and duration(Surf)and sub-surface storage capacity and duration(Sub). Consider both increase and decrease in hydrology. A ditch <_ 1 foot deep is considered to affect surface water only,while a ditch > 1 foot deep is expected to affect both surface and sub-surface water. Consider tidal flooding regime,if applicable. Surf Sub ®A ®A Water storage capacity and duration are not altered. ❑B ❑B Water storage capacity or duration are altered, but not substantially(typically,not sufficient to change vegetation). ❑C ❑C Water storage capacity or duration are substantially altered (typically, alteration sufficient to result in vegetation change) (examples:draining,flooding,soil compaction,filling,excessive sedimentation, underground utility lines). 3. Water Storage/Surface Relief—assessment area/wetland type condition metric(skip for all marshes) Check a box in each column. Select the appropriate storage for the assessment area(AA)and the wetland type(WT). AA WT 3a. ❑A ❑A Majority of wetland with depressions able to pond water> 1 deep ❑B ❑B Majority of wetland with depressions able to pond water 6 inches to 1 foot deep ❑C ❑C Majority of wetland with depressions able to pond water 3 to 6 inches deep ®D ❑D Depressions able to pond water<3 inches deep 3b. ❑A Evidence that maximum depth of inundation is greater than 2 feet ❑B Evidence that maximum depth of inundation is between 1 and 2 feet ®C Evidence that maximum depth of inundation is less than 1 foot 4. Soil Texture/Structure—assessment area condition metric(skip for all marshes) Check a box from each of the three soil property groups below. Dig soil profile in the dominant assessment area landscape feature. Make soil observations within the top 12 inches. Use most recent National Technical Committee for Hydric Soils guidance for regional indicators. 4a. ❑A Sandy soil ▪ Loamy or clayey soils exhibiting redoximorphic features(concentrations, depletions,or rhizospheres) ❑C Loamy or clayey soils not exhibiting redoximorphic features ❑D Loamy or clayey gleyed soil ❑E Histosol or histic epipedon 4b. ❑A Soil ribbon< 1 inch Soil ribbon>_1 inch 4c. ❑A No peat or muck presence ❑B A peat or muck presence 5. Discharge into Wetland—opportunity metric Check a box in each column. Consider surface pollutants or discharges(Surf)and sub-surface pollutants or discharges(Sub). Examples of sub-surface discharges include presence of nearby septic tank,underground storage tank(UST),etc. Surf Sub ®A ®A Little or no evidence of pollutants or discharges entering the assessment area ❑B ❑B Noticeable evidence of pollutants or discharges entering the wetland and stressing, but not overwhelming the treatment capacity of the assessment area ❑C ❑C Noticeable evidence of pollutants or discharges(pathogen, particulate,or soluble)entering the assessment area and potentially overwhelming the treatment capacity of the wetland (water discoloration, dead vegetation,excessive sedimentation, odor) 6. Land Use—opportunity metric(skip for non-riparian wetlands) Check all that apply(at least one box in each column). Evaluation involves a GIS effort with field adjustment. Consider sources draining to assessment area within entire upstream watershed (WS),within 5 miles and within the watershed draining to the assessment area (5M), and within 2 miles and within the watershed draining to the assessment area (2M). WS 5M 2M ❑A ❑A ❑A > 10%impervious surfaces ❑B ❑B ❑B Confined animal operations(or other local,concentrated source of pollutants ®C ❑C ®C >_20%coverage of pasture ❑D ❑D ❑D >_20%coverage of agricultural land(regularly plowed land) ❑E ❑E ❑E >_20%coverage of maintained grass/herb OF OF OF >_20%coverage of clear-cut land ❑G LIG LIG Little or no opportunity to improve water quality. Lack of opportunity may result from little or no disturbance in the watershed or hydrologic alterations that prevent drainage and/or overbank flow from affecting the assessment area. 7. Wetland Acting as Vegetated Buffer—assessment area/wetland complex condition metric(skip for non-riparian wetlands) 7a. Is assessment area within 50 feet of a tributary or other open water? ®Yes ❑No If Yes,continue to 7b. If No,skip to Metric 8. Wetland buffer need only be present on one side of the water body. Make buffer judgment based on the average width of wetland. Record a note if a portion of the buffer has been removed or disturbed. 7b. How much of the first 50 feet from the bank is wetland? (Wetland buffer need only be present on one side of the .water body. Make buffer judgment based on the average width of wetland. Record a note if a portion of the buffer has been removed or disturbed.) ❑A >_50 feet ❑B From 30 to<50 feet ®C From 15 to<30 feet ❑D From 5 to< 15 feet ❑E <5 feet or buffer bypassed by ditches 7c. Tributary width. If the tributary is anastomosed,combine widths of channels/braids for a total width. ®<_ 15-feet wide ❑> 15-feet wide ❑ Other open water(no tributary present) 7d. Do roots of assessment area vegetation extend into the bank of the tributary/open water? ❑Yes No 7e. Is stream or other open water sheltered or exposed? ®Sheltered—adjacent open water with width <2500 feet and no regular boat traffic. ❑Exposed—adjacent open water with width>_2500 feet or regular boat traffic. 8. Wetland Width at the Assessment Area—wetland type/wetland complex condition metric(evaluate WT for all marshes and Estuarine Woody Wetland only; evaluate WC for Bottomland Hardwood Forest, Headwater Forest, and Riverine Swamp Forest only) Check a box in each column for riverine wetlands only. Select the average width for the wetland type at the assessment area(WT)and the wetland complex at the assessment area(WC). See User Manual for WT and WC boundaries. WT WC ❑A ❑A >_ 100 feet ❑B ❑B From 80 to< 100 feet ❑C ❑C From 50 to<80 feet ❑D ❑D From 40 to<50 feet ❑E ❑E From 30 to<40 feet ❑F ®F From 15 to<30 feet LIG LIG From 5 to< 15 feet ❑H ❑H <5 feet 9. Inundation Duration—assessment area condition metric(skip for non-riparian wetlands) Answer for assessment area dominant landform. ®A Evidence of short-duration inundation(<7 consecutive days) ❑B Evidence of saturation,without evidence of inundation ❑C Evidence of long-duration inundation or very long-duration inundation(7 to 30 consecutive days or more) 10. Indicators of Deposition—assessment area condition metric(skip for non-riparian wetlands and all marshes) Consider recent deposition only(no plant growth since deposition). ®A Sediment deposition is not excessive, but at approximately natural levels. ❑B Sediment deposition is excessive, but not overwhelming the wetland. ❑C Sediment deposition is excessive and is overwhelming the wetland. 11. Wetland Size—wetland type/wetland complex condition metric Check a box in each column. Involves a GIS effort with field adjustment. This metric evaluates three aspects of the wetland area: the size of the wetland type (WT), the size of the wetland complex (WC), and the size of the forested wetland (FW) (if applicable, see User Manual). See the User Manual for boundaries of these evaluation areas. If assessment area is clear-cut,select"K"for the FW column. WT WC FW(if applicable) ❑A ❑A ❑A >_500 acres ❑B ❑B ❑B From 100 to<500 acres ❑C ❑C ❑C From 50 to< 100 acres ❑D ❑D ❑D From 25 to<50 acres ❑E ❑E ❑E From 10 to<25 acres ❑F ❑F ❑F From 5 to< 10 acres LIG LIG LIG From 1 to<5 acres ❑H ❑H ❑H From 0.5 to< 1 acre ❑I ❑I ❑I From 0.1 to<0.5 acre ®J ®J ®J From 0.01 to<0.1 acre ❑K ❑K ❑K <0.01 acre or assessment area is clear-cut 12. Wetland Intactness—wetland type condition metric(evaluate for Pocosins only) ❑A Pocosin is the full extent(>_90%)of its natural landscape size. ❑B Pocosin type is<90%of the full extent of its natural landscape size. 13. Connectivity to Other Natural Areas—landscape condition metric 13a. Check appropriate box(es) (a box may be checked in each column). Involves a GIS effort with field adjustment. This metric evaluates whether the wetland is well connected (Well) and/or loosely connected (Loosely)to the landscape patch, the contiguous naturally vegetated area and open water(if appropriate). Boundaries are formed by four-lane roads, regularly maintained utility line corridors the width of a four-lane road or wider, urban landscapes, maintained fields (pasture and agriculture), or open water> 300 feet wide. Well Loosely ❑A ❑A >_500 acres ❑B ❑B From 100 to<500 acres ❑C ❑C From 50 to< 100 acres ❑D ®D From 10 to<50 acres ❑E ❑E < 10 acres ❑F ❑F Wetland type has a poor or no connection to other natural habitats 13b. Evaluate for marshes only. ['Yes ❑No Wetland type has a surface hydrology connection to open waters/stream or tidal wetlands. 14. Edge Effect—wetland type condition metric(skip for all marshes and Estuarine Woody Wetland) May involve a GIS effort with field adjustment. Estimate distance from wetland type boundary to artificial edges. Artificial edges include non-forested areas>_40 feet wide such as fields, development, roads, regularly maintained utility line corridors, and clear-cuts. Consider the eight main points of the compass. Artificial edge occurs within 150 feet in how many directions? If the assessment area is clear cut, select option"C." ❑A 0 ❑B 1 to ❑C 5to8 15. Vegetative Composition—assessment area condition metric(skip for all marshes and Pine Flat) ❑A Vegetation is close to reference condition in species present and their proportions. Lower strata composed of appropriate species,with exotic plants absent or sparse within the assessment area. ❑B Vegetation is different from reference condition in species diversity or proportions, but still largely composed of native species characteristic of the wetland type. This may include communities of weedy native species that develop after clearcutting or clearing. It also includes communities with exotics present, but not dominant,over a large portion of the expected strata. ❑C Vegetation severely altered from reference in composition, or expected species are unnaturally absent (planted stands of non- characteristic species or at least one stratum inappropriately composed of a single species), or exotic species are dominant in at least one stratum. 16. Vegetative Diversity—assessment area condition metric(evaluate for Non-tidal Freshwater Marsh only) ❑A Vegetation diversity is high and is composed primarily of native species(< 10%cover of exotics). ®B Vegetation diversity is low or has> 10%to 50%cover of exotics. ❑C Vegetation is dominated by exotic species(>50%cover of exotics). 17. Vegetative Structure—assessment area/wetland type condition metric 17a. Is vegetation present? ®Yes ❑No If Yes,continue to 17b. If No,skip to Metric 18. 17b. Evaluate percent coverage of assessment area vegetation for all marshes only. Skip to 17c for non-marsh wetlands. ❑A >_25%coverage of vegetation ❑B <25%coverage of vegetation 17c. Check a box in each column for each stratum. Evaluate this portion of the metric for non-marsh wetlands. Consider structure in airspace above the assessment area (AA)and the wetland type(WT)separately. AA WT o❑A ❑A Canopy closed,or nearly closed,with natural gaps associated with natural processes m ®B ®B Canopy present, but opened more than natural gaps U ❑C ❑C Canopy sparse or absent g❑A ❑A Dense mid-story/sapling layer ❑B ❑B Moderate density mid-story/sapling layer 2 ❑C ❑C Mid-story/sapling layer sparse or absent -0❑A ❑A Dense shrub layer s ❑B ❑B Moderate density shrub layer ®C ®C Shrub layer sparse or absent _❑A ❑A Dense herb layer _ ❑B ❑B Moderate density herb layer ❑C ❑C Herb layer sparse or absent 18. Snags—wetland type condition metric(skip for all marshes) ❑A Large snags(more than one)are visible(> 12 inches DBH,or large relative to species present and landscape stability). ®B NotA 19. Diameter Class Distribution—wetland type condition metric(skip for all marshes) ❑A Majority of canopy trees have stems>6 inches in diameter at breast height(DBH); many large trees(> 12 inches DBH)are present. ®B Majority of canopy trees have stems between 6 and 12 inches DBH,few are> 12 inch DBH. ❑C Majority of canopy trees are<6 inches DBH or no trees. 20. Large Woody Debris—wetland type condition metric(skip for all marshes) Include both natural debris and man-placed natural debris. ❑A Large logs(more than one)are visible(> 12 inches in diameter,or large relative to species present and landscape stability). ®B NotA 21. Vegetation/Open Water Dispersion—wetland type/open water condition metric(evaluate for Non-Tidal Freshwater Marsh only) Select the figure that best describes the amount of interspersion between vegetation and open water in the growing season. Patterned areas indicate vegetated areas,while solid white areas indicate open water. ❑A ❑B ❑C ❑D g 4."� ^�° 4�. x h b ..of 1) "5r 1.A !sit S `�a -�, I�',.-� ��pi 3 p� n 22. Hydrologic Connectivity—assessment area condition metric(evaluate for riparian wetlands and Salt/Brackish Marsh only) Examples of activities that may severely alter hydrologic connectivity include intensive ditching,fill,sedimentation,channelization,diversion, man-made berms,beaver dams, and stream incision. Documentation required if evaluated as B, C,or D. ❑A Overbank and overland flow are not severely altered in the assessment area. ❑B Overbank flow is severely altered in the assessment area. ❑C Overland flow is severely altered in the assessment area. ❑D Both overbank and overland flow are severely altered in the assessment area. Notes NC WAM Wetland Rating Sheet Accompanies User Manual Version 5.0 Wetland Site Name Wetland C Date of Assessment 7/14/2020 Wetland Type Headwater Forest Assessor Name/Organization Amy James/EPR Notes on Field Assessment Form (Y/N) NO Presence of regulatory considerations (Y/N) NO Wetland is intensively managed (Y/N) NO Assessment area is located within 50 feet of a natural tributary or other open water (Y/N) YES Assessment area is substantially altered by beaver (Y/N) NO Assessment area experiences overbank flooding during normal rainfall conditions (Y/N) NO Assessment area is on a coastal island (Y/N) NO Sub-function Rating Summary Function Sub-function Metrics Rating Hydrology Surface Storage and Retention Condition MEDIUM Sub-surface Storage and Retention Condition MEDIUM Water Quality Pathogen Change Condition HIGH Condition/Opportunity HIGH Opportunity Presence (Y/N) YES Particulate Change Condition HIGH Condition/Opportunity NA Opportunity Presence (Y/N) NA Soluble Change Condition HIGH Condition/Opportunity HIGH Opportunity Presence (Y/N) YES Physical Change Condition MEDIUM Condition/Opportunity MEDIUM Opportunity Presence (Y/N) YES Pollution Change Condition NA Condition/Opportunity NA Opportunity Presence (Y/N) NA Habitat Physical Structure Condition LOW Landscape Patch Structure Condition LOW Vegetation Composition Condition LOW Function Rating Summary Function Metrics Rating Hydrology Condition MEDIUM Water Quality Condition HIGH Condition/Opportunity HIGH Opportunity Presence (Y/N) YES Habitat Condition LOW Overall Wetland Rating MEDIUM NC WAM FIELD ASSESSMENT FORM Accompanies User Manual Version 5.0 USACE AID# NCDWR# Project Name Starker Mitigation Bank Date of Evaluation 7/14/2020 Applicant/Owner Name WLS/Hunsucker Farms LLC Wetland Site Name Wetland D Wetland Type Headwater Forest Assessor Name/Organization Amy James/EPR Level III Ecoregion Piedmont Nearest Named Water Body Mull Creek River Basin Catawba USGS 8-Digit Catalogue Unit 03050101 County Catawba NCDWR Region Mooresville ❑ Yes ® No Precipitation within 48 hrs? Latitude/Longitude(deci-degrees) 35.724193, -81.173371 Evidence of stressors affecting the assessment area(may not be within the assessment area) Please circle and/or make note on the last page if evidence of stressors is apparent. Consider departure from reference, if appropriate, in recent past(for instance,within 10 years). Noteworthy stressors include, but are not limited to the following. • Hydrological modifications(examples: ditches,dams, beaver dams,dikes, berms,ponds, etc.) • Surface and sub-surface discharges into the wetland(examples:discharges containing obvious pollutants,presence of nearby septic tanks, underground storage tanks(USTs), hog lagoons,etc.) • Signs of vegetation stress(examples: vegetation mortality, insect damage,disease,storm damage,salt intrusion, etc.) • Habitat/plant community alteration(examples: mowing,clear-cutting,exotics,etc.) Is the assessment area intensively managed? ❑ Yes ❑ No Regulatory Considerations-Were regulatory considerations evaluated? ❑Yes No If Yes,check all that apply to the assessment area. ❑ Anadromous fish ❑ Federally protected species or State endangered or threatened species ❑ NCDWR riparian buffer rule in effect ❑ Abuts a Primary Nursery Area(PNA) ❑ Publicly owned property ❑ N.C. Division of Coastal Management Area of Environmental Concern (AEC)(including buffer) ❑ Abuts a stream with a NCDWQ classification of SA or supplemental classifications of HQW,ORW,or Trout ❑ Designated NCNHP reference community ❑ Abuts a 303(d)-listed stream or a tributary to a 303(d)-listed stream What type of natural stream is associated with the wetland, if any?(check all that apply) ❑ Blackwater ® Brownwater ❑ Tidal (if tidal,check one of the following boxes) ❑ Lunar ❑ Wind ❑ Both Is the assessment area on a coastal island? ❑ Yes ® No Is the assessment area's surface water storage capacity or duration substantially altered by beaver? ❑ Yes ® No Does the assessment area experience overbank flooding during normal rainfall conditions? ❑ Yes ® No 1. Ground Surface Condition/Vegetation Condition—assessment area condition metric Check a box in each column. Consider alteration to the ground surface(GS)in the assessment area and vegetation structure(VS)in the assessment area. Compare to reference wetland if applicable(see User Manual). If a reference is not applicable,then rate the assessment area based on evidence an effect. GS VS ❑A ❑A Not severely altered ®B ®B Severely altered over a majority of the assessment area(ground surface alteration examples: vehicle tracks,excessive sedimentation, fire-plow lanes, skidder tracks, bedding, fill, soil compaction, obvious pollutants) (vegetation structure alteration examples: mechanical disturbance,herbicides,salt intrusion[where appropriate],exotic species,grazing,less diversity[if appropriate], hydrologic alteration) 2. Surface and Sub-Surface Storage Capacity and Duration—assessment area condition metric Check a box in each column. Consider surface storage capacity and duration(Surf)and sub-surface storage capacity and duration(Sub). Consider both increase and decrease in hydrology. A ditch <_ 1 foot deep is considered to affect surface water only,while a ditch > 1 foot deep is expected to affect both surface and sub-surface water. Consider tidal flooding regime,if applicable. Surf Sub ®A ®A Water storage capacity and duration are not altered. ❑B ❑B Water storage capacity or duration are altered, but not substantially(typically,not sufficient to change vegetation). ❑C ❑C Water storage capacity or duration are substantially altered (typically, alteration sufficient to result in vegetation change) (examples:draining,flooding,soil compaction,filling,excessive sedimentation, underground utility lines). 3. Water Storage/Surface Relief—assessment area/wetland type condition metric(skip for all marshes) Check a box in each column. Select the appropriate storage for the assessment area(AA)and the wetland type(WT). AA WT 3a. ❑A ❑A Majority of wetland with depressions able to pond water> 1 deep ❑B ❑B Majority of wetland with depressions able to pond water 6 inches to 1 foot deep ❑C ❑C Majority of wetland with depressions able to pond water 3 to 6 inches deep ®D ❑D Depressions able to pond water<3 inches deep 3b. ❑A Evidence that maximum depth of inundation is greater than 2 feet ❑B Evidence that maximum depth of inundation is between 1 and 2 feet ®C Evidence that maximum depth of inundation is less than 1 foot 4. Soil Texture/Structure—assessment area condition metric(skip for all marshes) Check a box from each of the three soil property groups below. Dig soil profile in the dominant assessment area landscape feature. Make soil observations within the top 12 inches. Use most recent National Technical Committee for Hydric Soils guidance for regional indicators. 4a. ❑A Sandy soil ▪ Loamy or clayey soils exhibiting redoximorphic features(concentrations, depletions,or rhizospheres) ❑C Loamy or clayey soils not exhibiting redoximorphic features ❑D Loamy or clayey gleyed soil ❑E Histosol or histic epipedon 4b. ❑A Soil ribbon< 1 inch Soil ribbon>_1 inch 4c. ❑A No peat or muck presence ❑B A peat or muck presence 5. Discharge into Wetland—opportunity metric Check a box in each column. Consider surface pollutants or discharges(Surf)and sub-surface pollutants or discharges(Sub). Examples of sub-surface discharges include presence of nearby septic tank,underground storage tank(UST),etc. Surf Sub ®A ®A Little or no evidence of pollutants or discharges entering the assessment area ❑B ❑B Noticeable evidence of pollutants or discharges entering the wetland and stressing, but not overwhelming the treatment capacity of the assessment area ❑C ❑C Noticeable evidence of pollutants or discharges(pathogen, particulate,or soluble)entering the assessment area and potentially overwhelming the treatment capacity of the wetland (water discoloration, dead vegetation,excessive sedimentation, odor) 6. Land Use—opportunity metric(skip for non-riparian wetlands) Check all that apply(at least one box in each column). Evaluation involves a GIS effort with field adjustment. Consider sources draining to assessment area within entire upstream watershed (WS),within 5 miles and within the watershed draining to the assessment area (5M), and within 2 miles and within the watershed draining to the assessment area (2M). WS 5M 2M ❑A ❑A ❑A > 10%impervious surfaces ❑B ❑B ❑B Confined animal operations(or other local,concentrated source of pollutants ®C ❑C ®C >_20%coverage of pasture ❑D ❑D ❑D >_20%coverage of agricultural land(regularly plowed land) ❑E ❑E ❑E >_20%coverage of maintained grass/herb OF OF OF >_20%coverage of clear-cut land ❑G ❑G ❑G Little or no opportunity to improve water quality. Lack of opportunity may result from little or no disturbance in the watershed or hydrologic alterations that prevent drainage and/or overbank flow from affecting the assessment area. 7. Wetland Acting as Vegetated Buffer—assessment area/wetland complex condition metric(skip for non-riparian wetlands) 7a. Is assessment area within 50 feet of a tributary or other open water? ®Yes ❑No If Yes,continue to 7b. If No,skip to Metric 8. Wetland buffer need only be present on one side of the water body. Make buffer judgment based on the average width of wetland. Record a note if a portion of the buffer has been removed or disturbed. 7b. How much of the first 50 feet from the bank is wetland? (Wetland buffer need only be present on one side of the .water body. Make buffer judgment based on the average width of wetland. Record a note if a portion of the buffer has been removed or disturbed.) ❑A >_50 feet ®B From 30 to<50 feet ❑C From 15 to<30 feet ❑D From 5 to< 15 feet ❑E <5 feet or buffer bypassed by ditches 7c. Tributary width. If the tributary is anastomosed,combine widths of channels/braids for a total width. ®<_ 15-feet wide ❑> 15-feet wide ❑ Other open water(no tributary present) 7d. Do roots of assessment area vegetation extend into the bank of the tributary/open water? ❑Yes No 7e. Is stream or other open water sheltered or exposed? ®Sheltered—adjacent open water with width <2500 feet and no regular boat traffic. ❑Exposed—adjacent open water with width>_2500 feet or regular boat traffic. 8. Wetland Width at the Assessment Area—wetland type/wetland complex condition metric(evaluate WT for all marshes and Estuarine Woody Wetland only; evaluate WC for Bottomland Hardwood Forest, Headwater Forest, and Riverine Swamp Forest only) Check a box in each column for riverine wetlands only. Select the average width for the wetland type at the assessment area(WT)and the wetland complex at the assessment area(WC). See User Manual for WT and WC boundaries. WT WC ❑A ❑A >_ 100 feet ❑B ❑B From 80 to< 100 feet ❑C ❑C From 50 to<80 feet ❑D ❑D From 40 to<50 feet ❑E EE From 30 to<40 feet ❑F OF From 15 to<30 feet LIG LIG From 5 to< 15 feet ❑H ❑H <5 feet 9. Inundation Duration—assessment area condition metric(skip for non-riparian wetlands) Answer for assessment area dominant landform. ®A Evidence of short-duration inundation(<7 consecutive days) ❑B Evidence of saturation,without evidence of inundation ❑C Evidence of long-duration inundation or very long-duration inundation(7 to 30 consecutive days or more) 10. Indicators of Deposition—assessment area condition metric(skip for non-riparian wetlands and all marshes) Consider recent deposition only(no plant growth since deposition). ®A Sediment deposition is not excessive, but at approximately natural levels. ❑B Sediment deposition is excessive, but not overwhelming the wetland. ❑C Sediment deposition is excessive and is overwhelming the wetland. 11. Wetland Size—wetland type/wetland complex condition metric Check a box in each column. Involves a GIS effort with field adjustment. This metric evaluates three aspects of the wetland area: the size of the wetland type (WT), the size of the wetland complex (WC), and the size of the forested wetland (FW) (if applicable, see User Manual). See the User Manual for boundaries of these evaluation areas. If assessment area is clear-cut,select"K"for the FW column. WT WC FW(if applicable) ❑A ❑A ❑A >_500 acres ❑B ❑B ❑B From 100 to<500 acres ❑C ❑C ❑C From 50 to< 100 acres ❑D ❑D ❑D From 25 to<50 acres ❑E ❑E ❑E From 10 to<25 acres OF OF OF From 5 to< 10 acres ❑G ❑G ❑G From 1 to<5 acres ❑H ❑H ❑H From 0.5 to< 1 acre ❑I ❑I ❑I From 0.1 to<0.5 acre ®J ®J ❑J From 0.01 to<0.1 acre ❑K ❑K ®K <0.01 acre or assessment area is clear-cut 12. Wetland Intactness—wetland type condition metric(evaluate for Pocosins only) ❑A Pocosin is the full extent(>90%)of its natural landscape size. ❑B Pocosin type is<90%of the full extent of its natural landscape size. 13. Connectivity to Other Natural Areas—landscape condition metric 13a. Check appropriate box(es) (a box may be checked in each column). Involves a GIS effort with field adjustment. This metric evaluates whether the wetland is well connected (Well) and/or loosely connected (Loosely)to the landscape patch, the contiguous naturally vegetated area and open water(if appropriate). Boundaries are formed by four-lane roads, regularly maintained utility line corridors the width of a four-lane road or wider, urban landscapes, maintained fields (pasture and agriculture), or open water> 300 feet wide. Well Loosely ❑A ❑A >_500 acres ❑B ❑B From 100 to<500 acres ❑C ❑C From 50 to< 100 acres ❑D ®D From 10 to<50 acres ❑E ❑E < 10 acres ❑F ❑F Wetland type has a poor or no connection to other natural habitats 13b. Evaluate for marshes only. ['Yes ❑No Wetland type has a surface hydrology connection to open waters/stream or tidal wetlands. 14. Edge Effect—wetland type condition metric(skip for all marshes and Estuarine Woody Wetland) May involve a GIS effort with field adjustment. Estimate distance from wetland type boundary to artificial edges. Artificial edges include non-forested areas>_40 feet wide such as fields, development, roads, regularly maintained utility line corridors, and clear-cuts. Consider the eight main points of the compass. Artificial edge occurs within 150 feet in how many directions? If the assessment area is clear cut, select option"C." ❑A 0 ❑B 1 to ❑C 5to8 15. Vegetative Composition—assessment area condition metric(skip for all marshes and Pine Flat) ❑A Vegetation is close to reference condition in species present and their proportions. Lower strata composed of appropriate species,with exotic plants absent or sparse within the assessment area. ❑B Vegetation is different from reference condition in species diversity or proportions, but still largely composed of native species characteristic of the wetland type. This may include communities of weedy native species that develop after clearcutting or clearing. It also includes communities with exotics present, but not dominant,over a large portion of the expected strata. ❑C Vegetation severely altered from reference in composition, or expected species are unnaturally absent (planted stands of non- characteristic species or at least one stratum inappropriately composed of a single species), or exotic species are dominant in at least one stratum. 16. Vegetative Diversity—assessment area condition metric(evaluate for Non-tidal Freshwater Marsh only) ❑A Vegetation diversity is high and is composed primarily of native species(< 10%cover of exotics). ®B Vegetation diversity is low or has> 10%to 50%cover of exotics. ❑C Vegetation is dominated by exotic species(>50%cover of exotics). 17. Vegetative Structure—assessment area/wetland type condition metric 17a. Is vegetation present? ®Yes ❑No If Yes,continue to 17b. If No,skip to Metric 18. 17b. Evaluate percent coverage of assessment area vegetation for all marshes only. Skip to 17c for non-marsh wetlands. ❑A >_25%coverage of vegetation ❑B <25%coverage of vegetation 17c. Check a box in each column for each stratum. Evaluate this portion of the metric for non-marsh wetlands. Consider structure in airspace above the assessment area (AA)and the wetland type(WT)separately. AA WT o❑A ❑A Canopy closed,or nearly closed,with natural gaps associated with natural processes m ❑B ❑B Canopy present, but opened more than natural gaps U ®C ®C Canopy sparse or absent g❑A ❑A Dense mid-story/sapling layer ❑B ❑B Moderate density mid-story/sapling layer 2 ❑C ❑C Mid-story/sapling layer sparse or absent -0❑A ❑A Dense shrub layer s ❑B ❑B Moderate density shrub layer ®C ®C Shrub layer sparse or absent ❑A ❑A Dense herb layer _ ®B ®B Moderate density herb layer ❑C ❑C Herb layer sparse or absent 18. Snags—wetland type condition metric(skip for all marshes) ❑A Large snags(more than one)are visible(> 12 inches DBH,or large relative to species present and landscape stability). ®B NotA 19. Diameter Class Distribution—wetland type condition metric(skip for all marshes) ❑A Majority of canopy trees have stems>6 inches in diameter at breast height(DBH); many large trees(> 12 inches DBH)are present. ®B Majority of canopy trees have stems between 6 and 12 inches DBH,few are> 12 inch DBH. ❑C Majority of canopy trees are<6 inches DBH or no trees. 20. Large Woody Debris—wetland type condition metric(skip for all marshes) Include both natural debris and man-placed natural debris. ❑A Large logs(more than one)are visible(> 12 inches in diameter,or large relative to species present and landscape stability). ®B NotA 21. Vegetation/Open Water Dispersion—wetland type/open water condition metric(evaluate for Non-Tidal Freshwater Marsh only) Select the figure that best describes the amount of interspersion between vegetation and open water in the growing season. Patterned areas indicate vegetated areas,while solid white areas indicate open water. ❑A ❑B ❑C ❑D 4.g "� ^�° 4�. x. h b ..of "5r .A !sit S )t `�a -�, I�',.-� ��pi 3 p� n 22. Hydrologic Connectivity—assessment area condition metric(evaluate for riparian wetlands and Salt/Brackish Marsh only) Examples of activities that may severely alter hydrologic connectivity include intensive ditching,fill,sedimentation,channelization,diversion, man-made berms,beaver dams, and stream incision. Documentation required if evaluated as B, C,or D. ❑A Overbank and overland flow are not severely altered in the assessment area. ❑B Overbank flow is severely altered in the assessment area. ❑C Overland flow is severely altered in the assessment area. ❑D Both overbank and overland flow are severely altered in the assessment area. Notes NC WAM Wetland Rating Sheet Accompanies User Manual Version 5.0 Wetland Site Name Wetland D Date of Assessment 7/14/2020 Wetland Type Headwater Forest Assessor Name/Organization Amy James/EPR Notes on Field Assessment Form (Y/N) NO Presence of regulatory considerations (Y/N) NO Wetland is intensively managed (Y/N) NO Assessment area is located within 50 feet of a natural tributary or other open water (Y/N) YES Assessment area is substantially altered by beaver (Y/N) NO Assessment area experiences overbank flooding during normal rainfall conditions (Y/N) NO Assessment area is on a coastal island (Y/N) NO Sub-function Rating Summary Function Sub-function Metrics Rating Hydrology Surface Storage and Retention Condition LOW Sub-surface Storage and Retention Condition MEDIUM Water Quality Pathogen Change Condition HIGH Condition/Opportunity HIGH Opportunity Presence (Y/N) YES Particulate Change Condition LOW Condition/Opportunity NA Opportunity Presence (Y/N) NA Soluble Change Condition HIGH Condition/Opportunity HIGH Opportunity Presence (Y/N) YES Physical Change Condition MEDIUM Condition/Opportunity MEDIUM Opportunity Presence (Y/N) YES Pollution Change Condition NA Condition/Opportunity NA Opportunity Presence (Y/N) NA Habitat Physical Structure Condition LOW Landscape Patch Structure Condition LOW Vegetation Composition Condition LOW Function Rating Summary Function Metrics Rating Hydrology Condition LOW Water Quality Condition HIGH Condition/Opportunity HIGH Opportunity Presence (Y/N) YES Habitat Condition LOW Overall Wetland Rating LOW NC WAM FIELD ASSESSMENT FORM Accompanies User Manual Version 5.0 USACE AID# NCDWR# Project Name Starker Mitigation Bank Date of Evaluation 7/14/2020 Applicant/Owner Name WLS/Hunsucker Farms LLC Wetland Site Name Wetland E Wetland Type Headwater Forest Assessor Name/Organization Amy James/EPR Level III Ecoregion Piedmont Nearest Named Water Body Mull Creek River Basin Catawba USGS 8-Digit Catalogue Unit 03050101 County Catawba NCDWR Region Mooresville ❑ Yes ® No Precipitation within 48 hrs? Latitude/Longitude(deci-degrees) 35.722391, -81.178292 Evidence of stressors affecting the assessment area(may not be within the assessment area) Please circle and/or make note on the last page if evidence of stressors is apparent. Consider departure from reference, if appropriate, in recent past(for instance,within 10 years). Noteworthy stressors include, but are not limited to the following. • Hydrological modifications(examples: ditches, dams,beaver dams,dikes, berms,ponds, etc.) • Surface and sub-surface discharges into the wetland(examples:discharges containing obvious pollutants,presence of nearby septic tanks, underground storage tanks(USTs), hog lagoons,etc.) • Signs of vegetation stress(examples: vegetation mortality, insect damage,disease,storm damage,salt intrusion, etc.) • Habitat/plant community alteration(examples: mowing, clear-cutting,exotics,etc.) Is the assessment area intensively managed? ❑ Yes ❑ No Regulatory Considerations-Were regulatory considerations evaluated? ❑Yes No If Yes,check all that apply to the assessment area. ❑ Anadromous fish ❑ Federally protected species or State endangered or threatened species ❑ NCDWR riparian buffer rule in effect ❑ Abuts a Primary Nursery Area(PNA) ❑ Publicly owned property ❑ N.C. Division of Coastal Management Area of Environmental Concern (AEC)(including buffer) ❑ Abuts a stream with a NCDWQ classification of SA or supplemental classifications of HQW,ORW,or Trout ❑ Designated NCNHP reference community ❑ Abuts a 303(d)-listed stream or a tributary to a 303(d)-listed stream What type of natural stream is associated with the wetland, if any?(check all that apply) ❑ Blackwater ® Brownwater ❑ Tidal (if tidal,check one of the following boxes) ❑ Lunar ❑ Wind ❑ Both Is the assessment area on a coastal island? ❑ Yes ® No Is the assessment area's surface water storage capacity or duration substantially altered by beaver? ❑ Yes ® No Does the assessment area experience overbank flooding during normal rainfall conditions? ❑ Yes ® No 1. Ground Surface Condition/Vegetation Condition—assessment area condition metric Check a box in each column. Consider alteration to the ground surface(GS)in the assessment area and vegetation structure(VS)in the assessment area. Compare to reference wetland if applicable(see User Manual). If a reference is not applicable,then rate the assessment area based on evidence an effect. GS VS ❑A ®A Not severely altered ❑B ❑B Severely altered over a majority of the assessment area(ground surface alteration examples: vehicle tracks,excessive sedimentation, fire-plow lanes, skidder tracks, bedding, fill, soil compaction, obvious pollutants) (vegetation structure alteration examples: mechanical disturbance,herbicides,salt intrusion[where appropriate],exotic species,grazing,less diversity[if appropriate], hydrologic alteration) 2. Surface and Sub-Surface Storage Capacity and Duration—assessment area condition metric Check a box in each column. Consider surface storage capacity and duration(Surf)and sub-surface storage capacity and duration(Sub). Consider both increase and decrease in hydrology. A ditch <_ 1 foot deep is considered to affect surface water only,while a ditch > 1 foot deep is expected to affect both surface and sub-surface water. Consider tidal flooding regime,if applicable. Surf Sub ®A ®A Water storage capacity and duration are not altered. ❑B ❑B Water storage capacity or duration are altered, but not substantially(typically,not sufficient to change vegetation). ❑C ❑C Water storage capacity or duration are substantially altered (typically, alteration sufficient to result in vegetation change) (examples:draining,flooding,soil compaction,filling,excessive sedimentation, underground utility lines). 3. Water Storage/Surface Relief—assessment area/wetland type condition metric(skip for all marshes) Check a box in each column. Select the appropriate storage for the assessment area(AA)and the wetland type(WT). AA WT 3a. ❑A ❑A Majority of wetland with depressions able to pond water> 1 deep ❑B ❑B Majority of wetland with depressions able to pond water 6 inches to 1 foot deep ❑C ❑C Majority of wetland with depressions able to pond water 3 to 6 inches deep ®D ❑D Depressions able to pond water<3 inches deep 3b. ❑A Evidence that maximum depth of inundation is greater than 2 feet ❑B Evidence that maximum depth of inundation is between 1 and 2 feet ®C Evidence that maximum depth of inundation is less than 1 foot 4. Soil Texture/Structure—assessment area condition metric(skip for all marshes) Check a box from each of the three soil property groups below. Dig soil profile in the dominant assessment area landscape feature. Make soil observations within the top 12 inches. Use most recent National Technical Committee for Hydric Soils guidance for regional indicators. 4a. ❑A Sandy soil ▪ Loamy or clayey soils exhibiting redoximorphic features(concentrations, depletions,or rhizospheres) ❑C Loamy or clayey soils not exhibiting redoximorphic features ❑D Loamy or clayey gleyed soil ❑E Histosol or histic epipedon 4b. ❑A Soil ribbon< 1 inch Soil ribbon>_1 inch 4c. ❑A No peat or muck presence ❑B A peat or muck presence 5. Discharge into Wetland—opportunity metric Check a box in each column. Consider surface pollutants or discharges(Surf)and sub-surface pollutants or discharges(Sub). Examples of sub-surface discharges include presence of nearby septic tank,underground storage tank(UST),etc. Surf Sub ®A Little or no evidence of pollutants or discharges entering the assessment area ❑B ❑B Noticeable evidence of pollutants or discharges entering the wetland and stressing, but not overwhelming the treatment capacity of the assessment area ❑C ❑C Noticeable evidence of pollutants or discharges(pathogen, particulate,or soluble)entering the assessment area and potentially overwhelming the treatment capacity of the wetland (water discoloration, dead vegetation,excessive sedimentation, odor) 6. Land Use—opportunity metric(skip for non-riparian wetlands) Check all that apply(at least one box in each column). Evaluation involves a GIS effort with field adjustment. Consider sources draining to assessment area within entire upstream watershed (WS),within 5 miles and within the watershed draining to the assessment area (5M), and within 2 miles and within the watershed draining to the assessment area (2M). WS 5M 2M ❑A ❑A ❑A > 10%impervious surfaces ❑B ❑B ❑B Confined animal operations(or other local,concentrated source of pollutants ❑C ❑C ®C >_20%coverage of pasture 20%coverage of agricultural land(regularly plowed land) ❑E ❑E ❑E >_20%coverage of maintained grass/herb ❑F OF OF >_20%coverage of clear-cut land ❑G ❑G ❑G Little or no opportunity to improve water quality. Lack of opportunity may result from little or no disturbance in the watershed or hydrologic alterations that prevent drainage and/or overbank flow from affecting the assessment area. 7. Wetland Acting as Vegetated Buffer—assessment area/wetland complex condition metric(skip for non-riparian wetlands) 7a. Is assessment area within 50 feet of a tributary or other open water? ®Yes ❑No If Yes,continue to 7b. If No,skip to Metric 8. Wetland buffer need only be present on one side of the water body. Make buffer judgment based on the average width of wetland. Record a note if a portion of the buffer has been removed or disturbed. 7b. How much of the first 50 feet from the bank is wetland? (Wetland buffer need only be present on one side of the .water body. Make buffer judgment based on the average width of wetland. Record a note if a portion of the buffer has been removed or disturbed.) ❑A >_50 feet ®B From 30 to<50 feet ❑C From 15 to<30 feet ❑D From 5 to< 15 feet ❑E <5 feet or buffer bypassed by ditches 7c. Tributary width. If the tributary is anastomosed,combine widths of channels/braids for a total width. ®<_ 15-feet wide ❑> 15-feet wide ❑ Other open water(no tributary present) 7d. Do roots of assessment area vegetation extend into the bank of the tributary/open water? ❑Yes No 7e. Is stream or other open water sheltered or exposed? ®Sheltered—adjacent open water with width <2500 feet and no regular boat traffic. ❑Exposed—adjacent open water with width>_2500 feet or regular boat traffic. 8. Wetland Width at the Assessment Area—wetland type/wetland complex condition metric(evaluate WT for all marshes and Estuarine Woody Wetland only; evaluate WC for Bottomland Hardwood Forest, Headwater Forest, and Riverine Swamp Forest only) Check a box in each column for riverine wetlands only. Select the average width for the wetland type at the assessment area(WT)and the wetland complex at the assessment area(WC). See User Manual for WT and WC boundaries. WT WC ❑A ❑A >_ 100 feet ❑B ❑B From 80 to< 100 feet ❑C ❑C From 50 to<80 feet ❑D ❑D From 40 to<50 feet ❑E EE From 30 to<40 feet O F OF From 15 to<30 feet ❑G ❑G From 5 to< 15 feet ❑H ❑H <5 feet 9. Inundation Duration—assessment area condition metric(skip for non-riparian wetlands) Answer for assessment area dominant landform. ❑A Evidence of short-duration inundation(<7 consecutive days) ❑B Evidence of saturation,without evidence of inundation ❑C Evidence of long-duration inundation or very long-duration inundation(7 to 30 consecutive days or more) 10. Indicators of Deposition—assessment area condition metric(skip for non-riparian wetlands and all marshes) Consider recent deposition only(no plant growth since deposition). ®A Sediment deposition is not excessive, but at approximately natural levels. ❑B Sediment deposition is excessive, but not overwhelming the wetland. ❑C Sediment deposition is excessive and is overwhelming the wetland. 11. Wetland Size—wetland type/wetland complex condition metric Check a box in each column. Involves a GIS effort with field adjustment. This metric evaluates three aspects of the wetland area: the size of the wetland type (WT), the size of the wetland complex (WC), and the size of the forested wetland (FW) (if applicable, see User Manual). See the User Manual for boundaries of these evaluation areas. If assessment area is clear-cut,select"K"for the FW column. WT WC FW(if applicable) ❑A ❑A ❑A >_500 acres ❑B ❑B ❑B From 100 to<500 acres ❑C ❑C ❑C From 50 to< 100 acres ❑D ❑D ❑D From 25 to<50 acres ❑E ❑E ❑E From 10 to<25 acres O F OF OF From 5 to< 10 acres ❑G ❑G ❑G From 1 to<5 acres ❑H ❑H ❑H From 0.5 to< 1 acre ❑I ❑I ❑I From 0.1 to<0.5 acre ®J ®J ®J From 0.01 to<0.1 acre ❑K ❑K ❑K <0.01 acre or assessment area is clear-cut 12. Wetland Intactness—wetland type condition metric(evaluate for Pocosins only) ❑A Pocosin is the full extent(>90%)of its natural landscape size. ❑B Pocosin type is<90%of the full extent of its natural landscape size. 13. Connectivity to Other Natural Areas—landscape condition metric 13a. Check appropriate box(es) (a box may be checked in each column). Involves a GIS effort with field adjustment. This metric evaluates whether the wetland is well connected (Well) and/or loosely connected (Loosely)to the landscape patch, the contiguous naturally vegetated area and open water(if appropriate). Boundaries are formed by four-lane roads, regularly maintained utility line corridors the width of a four-lane road or wider, urban landscapes, maintained fields (pasture and agriculture), or open water> 300 feet wide. Well Loosely ❑A ❑A >_500 acres ❑B ❑B From 100 to<500 acres ❑C ❑C From 50 to< 100 acres ❑D ❑D From 10 to<50 acres ❑E EE < 10 acres ❑F ❑F Wetland type has a poor or no connection to other natural habitats 13b. Evaluate for marshes only. ['Yes ❑No Wetland type has a surface hydrology connection to open waters/stream or tidal wetlands. 14. Edge Effect—wetland type condition metric(skip for all marshes and Estuarine Woody Wetland) May involve a GIS effort with field adjustment. Estimate distance from wetland type boundary to artificial edges. Artificial edges include non-forested areas>_40 feet wide such as fields, development, roads, regularly maintained utility line corridors, and clear-cuts. Consider the eight main points of the compass. Artificial edge occurs within 150 feet in how many directions? If the assessment area is clear cut, select option"C." ❑A 0 ❑B 1 to ®C 5to8 15. Vegetative Composition—assessment area condition metric(skip for all marshes and Pine Flat) ❑A Vegetation is close to reference condition in species present and their proportions. Lower strata composed of appropriate species,with exotic plants absent or sparse within the assessment area. ®B Vegetation is different from reference condition in species diversity or proportions, but still largely composed of native species characteristic of the wetland type. This may include communities of weedy native species that develop after clearcutting or clearing. It also includes communities with exotics present, but not dominant,over a large portion of the expected strata. ❑C Vegetation severely altered from reference in composition, or expected species are unnaturally absent (planted stands of non- characteristic species or at least one stratum inappropriately composed of a single species), or exotic species are dominant in at least one stratum. 16. Vegetative Diversity—assessment area condition metric(evaluate for Non-tidal Freshwater Marsh only) ❑A Vegetation diversity is high and is composed primarily of native species(< 10%cover of exotics). • Vegetation diversity is low or has> 10%to 50%cover of exotics. ❑C Vegetation is dominated by exotic species(>50%cover of exotics). 17. Vegetative Structure—assessment area/wetland type condition metric 17a. Is vegetation present? EYes ❑No If Yes,continue to 17b. If No,skip to Metric 18. 17b. Evaluate percent coverage of assessment area vegetation for all marshes only. Skip to 17c for non-marsh wetlands. ❑A >_25%coverage of vegetation ❑B <25%coverage of vegetation 17c. Check a box in each column for each stratum. Evaluate this portion of the metric for non-marsh wetlands. Consider structure in airspace above the assessment area (AA)and the wetland type(WT)separately. AA WT o❑A ❑A Canopy closed,or nearly closed,with natural gaps associated with natural processes m ®B ®B Canopy present, but opened more than natural gaps U ❑C ❑C Canopy sparse or absent g❑A ❑A Dense mid-story/sapling layer 0 ®B ®B Moderate density mid-story/sapling layer 2— ❑C ❑C Mid-story/sapling layer sparse or absent -0❑A ❑A Dense shrub layer s ❑B ❑B Moderate density shrub layer C ®C Shrub layer sparse or absent ®A ®A Dense herb layer _ ❑B ❑B Moderate density herb layer ❑C ❑C Herb layer sparse or absent 18. Snags—wetland type condition metric(skip for all marshes) ❑A Large snags(more than one)are visible(> 12 inches DBH,or large relative to species present and landscape stability). ®B NotA 19. Diameter Class Distribution—wetland type condition metric(skip for all marshes) ❑A Majority of canopy trees have stems>6 inches in diameter at breast height(DBH); many large trees(> 12 inches DBH)are present. ❑B Majority of canopy trees have stems between 6 and 12 inches DBH,few are> 12 inch DBH. Majority of canopy trees are<6 inches DBH or no trees. 20. Large Woody Debris—wetland type condition metric(skip for all marshes) Include both natural debris and man-placed natural debris. ❑A Large logs(more than one)are visible(> 12 inches in diameter,or large relative to species present and landscape stability). ®B NotA 21. Vegetation/Open Water Dispersion—wetland type/open water condition metric(evaluate for Non-Tidal Freshwater Marsh only) Select the figure that best describes the amount of interspersion between vegetation and open water in the growing season. Patterned areas indicate vegetated areas,while solid white areas indicate open water. ❑A ❑B ❑C ,r ❑D 22. Hydrologic Connectivity—assessment area condition metric(evaluate for riparian wetlands and Salt/Brackish Marsh only) Examples of activities that may severely alter hydrologic connectivity include intensive ditching,fill,sedimentation,channelization,diversion, man-made berms,beaver dams, and stream incision. Documentation required if evaluated as B, C,or D. ❑A Overbank and overland flow are not severely altered in the assessment area. ❑B Overbank flow is severely altered in the assessment area. ❑C Overland flow is severely altered in the assessment area. ❑D Both overbank and overland flow are severely altered in the assessment area. Notes NC WAM Wetland Rating Sheet Accompanies User Manual Version 5.0 Wetland Site Name Wetland E Date of Assessment 7/14/2020 Wetland Type Headwater Forest Assessor Name/Organization Amy James/EPR Notes on Field Assessment Form (Y/N) NO Presence of regulatory considerations (Y/N) NO Wetland is intensively managed (Y/N) NO Assessment area is located within 50 feet of a natural tributary or other open water (Y/N) YES Assessment area is substantially altered by beaver (Y/N) NO Assessment area experiences overbank flooding during normal rainfall conditions (Y/N) NO Assessment area is on a coastal island (Y/N) NO Sub-function Rating Summary Function Sub-function Metrics Rating Hydrology Surface Storage and Retention Condition MEDIUM Sub-surface Storage and Retention Condition MEDIUM Water Quality Pathogen Change Condition HIGH Condition/Opportunity HIGH Opportunity Presence (Y/N) YES Particulate Change Condition HIGH Condition/Opportunity NA Opportunity Presence (Y/N) NA Soluble Change Condition HIGH Condition/Opportunity HIGH Opportunity Presence (Y/N) YES Physical Change Condition MEDIUM Condition/Opportunity MEDIUM Opportunity Presence (Y/N) YES Pollution Change Condition NA Condition/Opportunity NA Opportunity Presence (Y/N) NA Habitat Physical Structure Condition LOW Landscape Patch Structure Condition LOW Vegetation Composition Condition MEDIUM Function Rating Summary Function Metrics Rating Hydrology Condition MEDIUM Water Quality Condition HIGH Condition/Opportunity HIGH Opportunity Presence (Y/N) YES Habitat Condition LOW Overall Wetland Rating MEDIUM Appendix F- WOTUS Information WLS Catawba 01 Umbrella Mitigation Bank Starker Mitigation Site SAW-2020-01540 U.S. ARMY CORPS OF ENGINEERS WILMINGTON DISTRICT Action Id. SAW-2020-01540 County: Catawba U.S.G.S.Quad:NC-Newton NOTIFICATION OF JURISDICTIONAL DETERMINATION Requestor: Water&Land Solutions,LLC Catherine Manner Address: 7721 Six Forks Road,Suite 130 Raleigh,NC 27615 Telephone Number: 919-614-5111 E-mail: catherine(a,waterlandsolutions.com Size(acres) 30.3 Nearest Town Conover Nearest Waterway Mull Creek River Basin Santee USGS HUC 03050101 Coordinates Latitude: 35.72226 Longitude:-81.17203 Location description: The project area for the Starker Mitigation Site is located east if Banner Road,between Conover and Claremont in Catawba County,North Carolina.The site is bisected by Interstate 40 between mile markers 133 and 135. Indicate Which of the Following Apply: A. Preliminary Determination There appear to be waters,including wetlands on the above described project area/property,that may be subject to Section 404 of the Clean Water Act(CWA)(33 USC§ 1344)and/or Section 10 of the Rivers and Harbors Act(RHA)(33 USC§403).The waters,including wetlands have been delineated,and the delineation has been verified by the Corps to be sufficiently accurate and reliable.The approximate boundaries of these waters are shown on the enclosed delineation map dated 8/20/2020,submitted via email September 15,2022. Therefore this preliminary jurisdiction determination may be used in the permit evaluation process,including determining compensatory mitigation.For purposes of computation of impacts,compensatory mitigation requirements,and other resource protection measures,a permit decision made on the basis of a preliminary JD will treat all waters and wetlands that would be affected in any way by the permitted activity on the site as if they are jurisdictional waters of the U.S. This preliminary determination is not an appealable action under the Regulatory Program Administrative Appeal Process (Reference 33 CFR Part 331).However,you may request an approved JD,which is an appealable action,by contacting the Corps district for further instruction. ❑ There appear to be waters,including wetlands on the above described project area/property,that may be subject to Section 404 of the Clean Water Act(CWA)(33 USC§ 1344)and/or Section 10 of the Rivers and Harbors Act(RHA)(33 USC§403). However,since the waters,including wetlands have not been properly delineated,this preliminary jurisdiction determination may not be used in the permit evaluation process. Without a verified wetland delineation,this preliminary determination is merely an effective presumption of CWA/RHA jurisdiction over all of the waters,including wetlands at the project area,which is not sufficiently accurate and reliable to support an enforceable permit decision.We recommend that you have the waters, including wetlands on your project area/property delineated.As the Corps may not be able to accomplish this wetland delineation in a timely manner,you may wish to obtain a consultant to conduct a delineation that can be verified by the Corps. B. Approved Determination ❑ There are Navigable Waters of the United States within the above described project area/property subject to the permit requirements of Section 10 of the Rivers and Harbors Act(RHA)(33 USC §403)and Section 404 of the Clean Water Act (CWA)(33 USC§ 1344). Unless there is a change in law or our published regulations,this determination may be relied upon for a period not to exceed five years from the date of this notification. ❑ There are waters,including wetlandson the above described project area/property subject to the permit requirements of Section 404 of the Clean Water Act(CWA)(33 USC§ 1344). Unless there is a change in the law or our published regulations,this determination may be relied upon for a period not to exceed five years from the date of this notification. ❑We recommend you have the waters,including wetlands on your project area/property delineated. As the Corps may not be able to accomplish this wetland delineation in a timely manner,you may wish to obtain a consultant to conduct a delineation that can be verified by the Corps. ❑The waters,including wetlands on your project area/property have been delineated and the delineation has been verified by the Corps. The approximate boundaries of these waters are shown on the enclosed delineation map dated DATE.We strongly SAW-2020-01540 suggest you have this delineation surveyed. Upon completion,this survey should be reviewed and verified by the Corps. Once verified,this survey will provide an accurate depiction of all areas subject to CWA jurisdiction on your property which,provided there is no change in the law or our published regulations,may be relied upon for a period not to exceed five years. ❑The waters,including wetlands have been delineated and surveyed and are accurately depicted on the plat signed by the Corps Regulatory Official identified below onDATE.Unless there is a change in the law or our published regulations,this determination may be relied upon for a period not to exceed five years from the date of this notification. ❑ There are no waters of the U.S.,to include wetlands,present on the above described project area/property which are subject to the permit requirements of Section 404 of the Clean Water Act(33 USC 1344). Unless there is a change in the law or our published regulations,this determination may be relied upon for a period not to exceed five years from the date of this notification. ❑ The property is located in one of the 20 Coastal Counties subject to regulation under the Coastal Area Management Act(CAMA). You should contact the Division of Coastal Management in Morehead City,NC,at(252)808-2808 to determine their requirements. Placement of dredged or fill material within waters of the US,including wetlands,without a Department of the Army permit may constitute a violation of Section 301 of the Clean Water Act(33 USC§ 1311). Placement of dredged or fill material,construction or placement of structures,or work within navigable waters of the United States without a Department of the Army permit may constitute a violation of Sections 9 and/or 10 of the Rivers and Harbors Act(33 USC §401 and/or 403).If you have any questions regarding this determination and/or the Corps regulatory program,please contact Steve Kichefski at 828-271-7980 ext.4234 or steven.l.kichefski(a,usace.armv.mil. C. Basis For Determination: See the preliminary jurisdictional determination form dated 03/12/2021. D. Remarks: None. E. Attention USDA Program Participants This delineation/determination has been conducted to identify the limits of Corps' Clean Water Act jurisdiction for the particular site identified in this request. The delineation/determination may not be valid for the wetland conservation provisions of the Food Security Act of 1985. If you or your tenant are USDA Program participants,or anticipate participation in USDA programs,you should request a certified wetland determination from the local office of the Natural Resources Conservation Service,prior to starting work. F. Appeals Information (This information applies only to approved jurisdictional determinations as indicated in B. above) This correspondence constitutes an approved jurisdictional determination for the above described site. If you object to this determination,you may request an administrative appeal under Corps regulations at 33 CFR Part 331. Enclosed you will find a Notification of Appeal Process(NAP)fact sheet and request for appeal(RFA)form. If you request to appeal this determination you must submit a completed RFA form to the following address: US Army Corps of Engineers South Atlantic Division Attn: Phillip Shannin,Review Officer 60 Forsyth Street SW,Room 10M15 Atlanta,Georgia 30303-8801 In order for an RFA to be accepted by the Corps,the Corps must determine that it is complete,that it meets the criteria for appeal under 33 CFR part 331.5,and that it has been received by the Division Office within 60 days of the date of the NAP. Should you decide to submit an RFA form,it must be received at the above address by Not applicable. **It is not necessary to submit an RFA form to the Division Office if you do not object to the determination in this correspondence.** Digitally signed by Steve Kichefski Steve Kichefski Corps Regulatory Official: Date: 2021.03.12 18:46:49 -05'00' Date of JD:03/12/2021 Expiration Date of JD:Not applicable The Wilmington District is committed to providing the highest level of support to the public. To help us ensure we continue to do so,please complete the Customer Satisfaction Survey located at http://corpsmapu.usace.army.mil/cm_apex/f?p=136:4:0 i. Figure l`�'-3 • i - k. « #'. • r % *: it. �. , I` aF a'.4 `''' 1 0 M. qOG •k', 9iw 4 a 1 . Figure F . ; r . % .• , Q ` 4N:� Figure gQ ; "`"' � ' S100 ''►' ► ' • F"t. i si" ''_ I� cy ' '►; X< 4 '� = 140 Figure �— z '_ -- - �4s' - -.s ..l�s ' fag • - � . n?>h 8"'rcNkyyt[� , . �r 3 e'f..jf t TM9 �" A • ..- •• ••'• . • \ -:- ' — - -• "-- .-I, • _ , 2 f`- ' - 5 S200 14, z;;A-, ,.r k�i �,�� { '` r. .. 4 ^�� __k,,A,.- - ,/�'+ 14`x� .7� A's� yiy.T,�YF ;!' R 4. 437, 4,•it,''.:,ii::;4*r:': ',48A/4147', �"$' '^3t ° • J�, ''j \ y�.Yt. \thy' /w ✓t 1''� y r y � d pd "v+f � jlr; r i LEGEND �.� , oA ` �}}motj. ' " 4,, : Q CONSERVATION EASEMENT v. 4. ;' �.. _, p S aY s PROJECT STREAMS ` 5, i# 5 � i¢i �n ; �lr"x IrM EXISTING WETLANDS a ! $ °- • z: 'i 0 500 1,000 STARKER MITIGATION BANK PREPARED BY: POTENTIAL JURISDICTIONAL FEATURES MAP ECOSYSTEM Feet PLANNING& OVERVIEW EPR RESTORATION FIGURE 2 CATAWBA COUNTY, NC AUGUST 2020 a '= • • ' • tom tiw4? r' ;!,•.,,.'7-4- fjt ti - • . :a?' • _ ;: Wetland E �� .; C f s"'.J 1. / ' `may Y g.: � er arm F ., •. ., - y .4� f ...`t}y. � • . 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KV fir. t • ‘ - ,.. • Ai . .,.._ : ..: . ... ,. .._. 1,,, ,., .. _,.., _,•• • ,• . :„., ., ., ., _ ..,,,: „ , . .,.,N, . ., • iii t i .', 11`,Ito,. ,,, :1 - .' ..1.: '-',,. ,4. . th.. ,, y .., ,, ,a ,,, .. . v. %r, ,� ,,, ,,,.. �e 1 . , Wetland B 1 ' Il pk-. .'' . .... ly a. i `�. .•j Y t*1,i,:4o,,,:'i.„.4.)-:4--...-,.„.-'v,-,.4,„.,......-....„ .•k..0.1 , 4, t... s; _ . 1 b.••‘Jt 1. ,: R ', -,','.4',:,..-.!. 7.?„;,.. .,-,:r.•,•1:-‘.t t•x, ' Wetland C 5 ' r ,,'® R , tit °!t, +» 4t t R lki `� • Wetland D r,;, r t ', . eta r+�, t , 4t F IA -, , ittr*,:. 4 �- .'i' is ,� 'ui \ • 5 • k •? t �, ,``g'' AT •�1► 1' It'` r ' u e rY1 ‘4, , 4 .fl.. .t ilk i 9 +., le ...... . .. .. t -,-,.. ,, , ..,,, •„ ,, tk,;•"tvt -.,.• -.,..4.i 4. ),t4,-, --... • .....s.- •.- • , . — ; • .., ,...k. ,:lk .i.i.,, . ,i,. .,:., ,4.., . .....„.- .,... ,,.. ,., . . • 0. . .. , . :,.. , • ...... . , . . :.,.,..•,. . ..„ .. ,, ,. . .. . . , ,.., .,_ .. . .. , . ,N LEGEND x, • ` ,,. t?i t+ 1 .Nt '�„0 t'C Y'�' ; ,r. .,' i�.f •, .c '�w, a.e M •.:•F Q CONSERVATION EASEMENT .y E' .ti< ' �, ,. •, .;.IfiY PROJECT STREAMS d X° '�e ,, i r .'1 i r 'di EXISTING WETLANDS STARKER MITIGATION BANK PREPARED BY: 0 100 200 ECOSYSTEM Feet POTENTIAL JURISDICTIONAL PLANNING& FEATURES MAP EPR RESTORATION FIGURE 2C CATAWBA COUNTY, NC AUGUST 2020 it ilt- ileiv �, (� 1 e� � lotri 1pL a I • f�3 ,. l I . �In it gg.r� .y if i-`W','`Yr T d L�. f 1, i" rzzfa R y, y� r r444i,4 kl�r . a �'a�a- k, .\ •Ir ''' ' " '''_ Lr U " h ` • t, N4, t,'I ,I . f �a,! ' _g NE . IIIII C1 I ••• 1. !ii as tr, x . �',c,,,,o,,, 4 1:).4..,iL,,,, .8:,,,,,,, „:4 :-,..:,,,,,,,i,, -.., ..,..,,,, . ...:4:4=1.:;,,"'X r r ' ' . r. ' Y :. °q ; + y� • 4y+' iM1iii t /y YtA u . ��nn ° T ICI iF• 1 E i i k ,+ 4 y� ifs ar d• `+ atYs. iiihe 4 A- ' 1` • t , ,,« S101 . , , I "'" --T fi t• ail 'x` ,,. s e i At • r " 3 �!' ' ,, -,' I i' n t �y • LEGEND CD CONSERVATION EASEMENT PROJECT STREAMS t`•^ f 1 f.%`'..x ' EXISTING WETLANDS ~�� Iir "�` t r STARKER MITIGATION BANK PREPARED BY: 0 100 200 ECOSYSTEM Feet POTENTIAL JURISDICTIONAL PLANNING& FEATURES MAP EPR RESTORATION FIGURE 2D CATAWBA COUNTY, NC AUGUST 2020 NOTIFICATION OF ADMINISTRATIVE APPEAL OPTIONS AND PROCESS AND REQUEST FOR APPEAL Applicant: Water&Land Solutions,LLC,Catherine File Number: SAW-2020-01540 Date: 03/12/2021 Manner Attached is: See Section below ❑ INITIAL PROFFERED PERMIT(Standard Permit or Letter of permission) A ❑ PROFFERED PERMIT(Standard Permit or Letter of permission) B ❑ PERMIT DENIAL C ❑ APPROVED JURISDICTIONAL DETERMINATION D ❑X PRELIMINARY JURISDICTIONAL DETERMINATION E SECTION I-The following identifies your rights and options regarding an administrative appeal of the above decision. Additional information may be found at or http://www.usace.army.mil/Missions/CivilWorks/RegulatoryProgramandPermits.aspx or the Corps regulations at 33 CFR Part 331. A: INITIAL PROFFERED PERMIT: You may accept or object to the permit. • ACCEPT: If you received a Standard Permit,you may sign the permit document and return it to the district engineer for final authorization. If you received a Letter of Permission(LOP),you may accept the LOP and your work is authorized. Your signature on the Standard Permit or acceptance of the LOP means that you accept the permit in its entirety,and waive all rights to appeal the permit,including its terms and conditions,and approved jurisdictional determinations associated with the permit. • OBJECT: If you object to the permit(Standard or LOP)because of certain terms and conditions therein,you may request that the permit be modified accordingly.You must complete Section II of this form and return the form to the district engineer. Your objections must be received by the district engineer within 60 days of the date of this notice,or you will forfeit your right to appeal the permit in the future. Upon receipt of your letter,the district engineer will evaluate your objections and may: (a)modify the permit to address all of your concerns, (b)modify the permit to address some of your objections,or(c)not modify the permit having determined that the permit should be issued as previously written. After evaluating your objections,the district engineer will send you a proffered permit for your reconsideration,as indicated in Section B below. B: PROFFERED PERMIT:You may accept or appeal the permit • ACCEPT: If you received a Standard Permit,you may sign the permit document and return it to the district engineer for final authorization. If you received a Letter of Permission(LOP),you may accept the LOP and your work is authorized. Your signature on the Standard Permit or acceptance of the LOP means that you accept the permit in its entirety, and waive all rights to appeal the permit,including its terms and conditions,and approved jurisdictional determinations associated with the permit. • APPEAL: If you choose to decline the proffered permit(Standard or LOP)because of certain terms and conditions therein, you may appeal the declined permit under the Corps of Engineers Administrative Appeal Process by completing Section II of this form and sending the form to the division engineer. This form must be received by the division engineer within 60 days of the date of this notice. C: PERMIT DENIAL: You may appeal the denial of a permit under the Corps of Engineers Administrative Appeal Process by completing Section II of this form and sending the form to the division engineer. This form must be received by the division engineer within 60 days of the date of this notice. D: APPROVED JURISDICTIONAL DETERMINATION: You may accept or appeal the approved JD or provide new information. • ACCEPT: You do not need to notify the Corps to accept an approved JD. Failure to notify the Corps within 60 days of the date of this notice,means that you accept the approved JD in its entirety,and waive all rights to appeal the approved JD. • APPEAL: If you disagree with the approved JD,you may appeal the approved JD under the Corps of Engineers Administrative Appeal Process by completing Section II of this form and sending the form to the district engineer. This form must be received by the division engineer within 60 days of the date of this notice. E: PRELIMINARY JURISDICTIONAL DETERMINATION: You do not need to respond to the Corps regarding the preliminary JD. The Preliminary JD is not appealable. If you wish,you may request an approved JD(which may be appealed), by contacting the Corps district for further instruction. Also you may provide new information for further consideration by the Corps to reevaluate the JD. IMr SECTION II-REQUEST FOR APPEAL or OBJECTIONS TO AN INITIAL PROFFERED PERMIT REASONS FOR APPEAL OR OBJECTIONS: (Describe your reasons for appealing the decision or your objections to an initial proffered permit in clear concise statements. You may attach additional information to this form to clarify where your reasons or objections are addressed in the administrative record.) ADDITIONAL INFORMATION:The appeal is limited to a review of the administrative record,the Corps memorandum for the record of the appeal conference or meeting,and any supplemental information that the review officer has determined is needed to clarify the administrative record. Neither the appellant nor the Corps may add new information or analyses to the record. However,you may provide additional information to clarify the location of information that is already in the administrative record. POINT OF CONTACT FOR QUESTIONS OR INFORMATION: If you have questions regarding this decision and/or the If you only have questions regarding the appeal process you may appeal process you may contact: also contact: District Engineer,Wilmington Regulatory Division Mr. Phillip Shannin,Administrative Appeal Review Officer Attn: Steve Kichefski CESAD-PDO Asheville Regulatory Office U.S.Army Corps of Engineers, South Atlantic Division U.S Army Corps of Engineers 60 Forsyth Street,Room 10M15 151 Patton Avenue,Room 208 Atlanta,Georgia 30303-8801 Asheville,North Carolina 28801 Phone: (404)562-5137 RIGHT OF ENTRY: Your signature below grants the right of entry to Corps of Engineers personnel,and any government consultants,to conduct investigations of the project site during the course of the appeal process. You will be provided a 15-day notice of any site investigation,and will have the opportunity to participate in all site investi ations. Date: Telephone number: Signature of appellant or agent. For appeals on Initial Proffered Permits send this form to: District Engineer,Wilmington Regulatory Division,Attn: Steve Kichefski,69 Darlington Avenue,Wilmington,North Carolina 28403 For Permit denials,Proffered Permits and Approved Jurisdictional Determinations send this form to: Division Engineer,Commander,U.S.Army Engineer Division,South Atlantic,Attn: Mr.Phillip Shannin,Administrative Appeal Officer,CESAD-PDO,60 Forsyth Street,Room 10M15,Atlanta,Georgia 30303-8801 Phone: (404)562-5137 PRELIMINARY JURISDICTIONAL DETERMINATION (PJD) FORM BACKGROUND INFORMATION A. REPORT COMPLETION DATE FOR PJD: 03/12/2021 B. NAME AND ADDRESS OF PERSON REQUESTING PJD: Water&Land Solutions,LLC, Catherine Manner, 7721 Six Forks Road, Suite 130,Raleigh,NC 27615 C. DISTRICT OFFICE, FILE NAME, AND NUMBER: Wilmington District,WLS Catawba 01 UMB—Starker Mitigation Site, SAW-2020-01540 D. PROJECT LOCATION(S) AND BACKGROUND INFORMATION: The project area for the Starker Mitigation Site is located east if Banner Road,between Conover and Claremont in Catawba County,North Carolina. The site is bisected by Interstate 40 between mile markers 133 and 135. (USE THE TABLE BELOW TO DOCUMENT MULTIPLE AQUATIC RESOURCES AND/OR AQUATIC RESOURCES AT DIFFERENT SITES) State:NC County: Catawba City: Conover Center coordinates of site (lat/long in degree decimal format): Latitude: 35.72226 Longitude: -81.17203 Universal Transverse Mercator: Name of nearest waterbody:Mull Creek E. REVIEW PERFORMED FOR SITE EVALUATION(CHECK ALL THAT APPLY): ®Office (Desk) Determination. Date: March 12,2021 ®Field Determination. Date(s): September 30, 2020 TABLE OF AQUATIC RESOURCES INREVIEW AREA WHICH"MAY BE"SUBJECT TO REGULATORY JURISDICTION. Site Latitude Longitude I Estimated amount Type of aquatic Geographic authority Number (decimal degrees) (decimal degrees) of aquatic resources(i.e., to which the aquatic resources in review wetland vs.non- resource"may be" area(acreage and wetland waters) subject(i.e.,Section 404 linear feet,if or Section 10/404) applicable S100 35.726936 -81.175431 5,418 linear ft. Non-wetland waters; Section 404 perennial stream S200 35.722431 -81.178252 4,220 linear ft. Non-wetland waters; Section 404 perennial stream S 101 35.718675 -81.167732 80 linear ft. Non-wetland waters; Section 404 intermittent stream S102 35.726800 -81.175242 92 linear ft. Non-wetland waters; Section 404 intermittent stream S103 35.727514 -81.175651 81 linear ft. Non-wetland waters; Section 404 intermittent stream Wetland A 35.726300 -81.175047 1.2 acres Wetland Section 404 (WA) Wetland B 35.724651 -81.173859 0.03 acre Wetland Section 404 (WB) Wetland C 35.724229 -81.173741 0.03 acre Wetland Section 404 (WC) Wetland D 35.724193 -81.173371 0.03 acre Wetland Section 404 (WD) Wetland E 35.722391 -81.178292 0.04 acre Wetland Section 404 (WE) 1) The Corps of Engineers believes that there may be jurisdictional aquatic resources in the review area, and the requestor of this PJD is hereby advised of his or her option to request and obtain an approved JD (MD) for that review area based on an informed decision after having discussed the various types of JDs and their characteristics and circumstances when they may be appropriate. 2) In any circumstance where a permit applicant obtains an individual permit, or a Nationwide General Permit(NWP) or other general permit verification requiring "pre-construction notification" (PCN), or requests verification for a non-reporting NWP or other general permit, and the permit applicant has not requested an AJD for the activity, the permit applicant is hereby made aware that: (1)the permit applicant has elected to seek a permit authorization based on a PJD,which does not make an official determination of jurisdictional aquatic resources; (2)the applicant has the option to request an MD before accepting the terms and conditions of the permit authorization, and that basing a permit authorization on an MD could possibly result in less compensatory mitigation being required or different special conditions; (3)the applicant has the right to request an individual permit rather than accepting the terms and conditions of the NWP or other general permit authorization; (4) the applicant can accept a permit authorization and thereby agree to comply with all the terms and conditions of that permit, including whatever mitigation requirements the Corps has determined to be necessary; (5)undertaking any activity in reliance upon the subject permit authorization without requesting an MD constitutes the applicant's acceptance of the use of the PJD; (6) accepting a permit authorization (e.g., signing a proffered individual permit) or undertaking any activity in reliance on any form of Corps permit authorization based on a PJD constitutes agreement that all aquatic resources in the review area affected in any way by that activity will be treated as jurisdictional, and waives any challenge to such jurisdiction in any administrative or judicial compliance or enforcement action, or in any administrative appeal or in any Federal court; and(7)whether the applicant elects to use either an AJD or a PJD,the JD will be processed as soon as practicable. Further, an AJD, a proffered individual permit (and all terms and conditions contained therein), or individual permit denial can be administratively appealed pursuant to 33 C.F.R. Part 331. If,during an administrative appeal, it becomes appropriate to make an official determination whether geographic jurisdiction exists over aquatic resources in the review area, or to provide an official delineation of jurisdictional aquatic resources in the review area,the Corps will provide an AJD to accomplish that result, as soon as is practicable. This PJD finds that there "may be"waters of the U.S. and/or that there "may be" navigable waters of the U.S. on the subject review area, and identifies all aquatic features in the review area that could be affected by the proposed activity, based on the following information: SUPPORTING DATA. Data reviewed for PJD(check all that apply) Checked items should be included in subject file. Appropriately reference sources below where indicated for all checked items: ®Maps, plans, plots or plat submitted by or on behalf of the PJD requestor: Map: ®Data sheets prepared/submitted by or on behalf of the PJD requestor. ['Office concurs with data sheets/delineation report. ❑Office does not concur with data sheets/delineation report. Rationale: ❑ Data sheets prepared by the Corps: ❑ Corps navigable waters'study: ❑ U.S. Geological Survey Hydrologic Atlas: ❑USGS NHD data. ❑USGS 8 and 12 digit HUC maps. ®U.S.Geological Survey map(s).Cite scale&quad name:Newton; 1:24,000 ®Natural Resources Conservation Service Soil Survey. Citation: Web Soil Survey ❑National wetlands inventory map(s). Cite name: ❑State/local wetland inventory map(s): ❑FEMA/FIRM maps: ❑ 100-year Floodplain Elevation is: (National Geodetic Vertical Datum of 1929) ❑Photographs: ❑Aerial (Name & Date): or❑Other(Name&Date): ❑ Previous determination(s). File no. and date of response letter: ❑Other information(please specify): IMPORTANT NOTE: The information recorded on this form has not necessarily been verified by the Corps and should not be relied upon for later jurisdictional determinations. Steve Digitally signed by Steve Kichefski Kichefski Date:201.03.1 118:4736-0500? Signature and date of Regulatory Signature and date of person staff member completing PJD requesting PJD (REQUIRED, unless obtaining the signature is impracticable)1 1 Districts may establish timeframes for requester to return signed PJD forms. If the requester does not respond within the established time frame, the district may presume concurrence and no additional follow up is necessary prior to fmalizing an action. Appendix G - Agency Correspondence WLS Catawba 01 Umbrella Mitigation Bank Starker Mitigation Site Initial Evaluation Letter Meeting Minutes- NCIRT Draft Prospectus Site Meeting United State Department of Interior-Species List and Review Comments NCHPO Map NC Department of Natural and Cultural Resources NC Wildlife Resource Commission- Review Comments Appendix G-Agency Correspondence Page 24 Z3T O� � E ;fifi d� DEPARTMENT OF THE ARMY , WILMINGTON DISTRICT,CORPS OF ENGINEERS 151 PATTON AVENUE 1 ROOM 208 ASHEVILLE,NORTH CAROLINA 28801-5006 STATES OF March 12, 2021 Regulatory Division SUBJECT: Initial Evaluation of the proposed WLS Catawba 01 Umbrella Mitigation Bank: Starker Mitigation Site (SAW-2020-01540) Water&Land Solutions, LLC Attention: Mr. Adam V. McIntyre adam@waterlandsolutions.com Dear Mr. McIntyre: This letter is in regard to your prospectus document dated October 2020, for the proposed WLS Catawba 01 Umbrella Mitigation Bank including the Starker Mitigation Site. The proposal consists of the establishment and operation of a commercial umbrella mitigation bank in the Upper Catawba Watershed, Hydrologic Unit Code (HUC) 03050101 of the Santee River Basin. The Starker mitigation site is a 30.3-acre stream and wetland mitigation site located east of Banner Road, between Conover and Claremont in Catawba County,North Carolina(35.7198, - 81.1742). The Corps determined the prospectus was complete and issued a public notice (P/N# SAW- 2020-01540) on November 9, 2020. The purpose of this notice was to solicit the views of interested State and Federal agencies and other parties either interested in or affected by the proposed work. Attached are the comments received in response to the public notice from the Cherokee Nation. The Corps has considered the information provided in the prospectus document, comments received in response to the public notice and information that was discussed during on-site reviews conducted on September 30, 2020. The meeting minutes for field review are attached and no additional revisions to the meeting minutes were provided by IRT members. We have determined that the proposed umbrella mitigation bank appears to have the potential to restore and enhance aquatic resources within the Upper Catawba Watershed, HUC 03050101 of the Santee River Basin. Therefore,the bank sponsor may proceed with preparation of a draft Umbrella Mitigation Banking Instrument(UMBI). Please address all comments included in the attached memo with your draft UMBI submittal. If you have questions concerning the path forward for the proposed mitigation bank, please do not hesitate to contact me at 828-271-7980 x4234. Sincerely, Steve Digitally signed by Steve Kichefski Kichefski Date:2021.03.12 19:11:58 -05'00' Steve Kichefski Regulatory Project Manager Digital Copies Furnished: Todd Tugwell, USACE Casey Haywood, USACE Kim Browning, USACE Erin Davis,NCDWR Olivia Munzer,NCWRC Travis Wilson,NCWRC Todd Bowers, USEPA Holland Youngman, USFWS Renee Gledhill-Early,NCSHPO Z3T � E ;Ofifi�d. DEPARTMENT OF THE ARMY ,' 1, t6 WILMINGTON DISTRICT,CORPS OF ENGINEERS a I 151 PATTON AVENUE W R o h � � '// ROOM 208 4;. ,�`4 ASHEVILLE,NORTH CAROLINA 28801-5006 STATES OF CESAW-RG/Kichefski March 12, 2021 MEMORANDUM FOR RECORD SUBJECT: Proposed WLS Catawba 01 Umbrella Mitigation Bank(SAW-2020-01540) - Comments Received in Response to the Public Notice and during the September 30, 2020 site visit reflected in the October 1, 2020 Meeting Minutes Project Name: WLS Catawba 01 Umbrella Mitigation Bank, Catawba County,NC Elizabeth Toombs, Cherokee Nation, December 9, 2020: SEE ATTACHED COMMENTS Olivia Munzer,NCWRC: SEE ATTACHED MEETING MINUTES Erin Davis,NCDWR: SEE ATTACHED MEETING MINUTES Steve Kichefski & Todd Tugwell,USACE, March 8, 2020 SEE ATTACHED MEETING MINUTES Steve Kichefski Regulatory Project Manager +''ti�E�QxE£ Office of the Chief ���►.�k _ r 9O3 GWy9 Dt3P Chuck Hoskin Jr. CHEROKEE NATION® Principal Chief IN Bryan Warner �j� 1� 11 e, P.O.Box 948•T.ihlcquah.OK 74-165-09-IN Deputy Pi-rneipal Chief � 9] -453-5001 •ww%%•.chc3okcc.org'iiiiiiiiiiiii December 9, 2020 Steven Kichefski United States Army Corps of Engineers Asheville Regulatory Field Office 151 Patton Avenue, Room 208 Asheville,NC 28801 Re: SAW-2020-01540, WLS Catawba 01 Umbrella Mitigation Bank Mr. Steven Kichefski: The Cherokee Nation (Nation) is in receipt of your correspondence about SAW-2020-01540, and appreciates the opportunity to provide comment upon this project. Please allow this letter to serve as the Nation's interest in acting as a consulting party to this proposed project. The Nation maintains databases and records of cultural, historic, and pre-historic resources in this area. Our Historic Preservation Office reviewed this project, cross referenced the project's legal description against our information, and found no instances where this project intersects or adjoins such resources. Thus, the Nation does not foresee this project imparting impacts to Cherokee cultural resources at this time. However, the Nation requests that the United States Army Corps of Engineers (USACE) halt all project activities immediately and re-contact our Offices for further consultation if items of cultural significance are discovered during the course of this project. Additionally, the Nation requests that USACE conduct appropriate inquiries with other pertinent Tribal and Historic Preservation Offices regarding historic and prehistoric resources not included in the Nation's databases or records. If you require additional information or have any questions,please contact me at your convenience. Thank you for your time and attention to this matter. Wado, c(!!C 4-MR/C Elizabeth Toombs, Tribal Historic Preservation Officer Cherokee Nation Tribal Historic Preservation Office elizabeth-toombs@cherokee.org 918.453.5389 WATER & LAND SOLUTIONS Meeting Minutes Starker Mitigation Project Subject: NCIRT Draft Prospectus Site Meeting Date Prepared: October 1, 2020 Meeting Date and Time: September 30, 2020 @ 11:00 am Meeting Location: On Site (Catawba County, NC) Attendees: USACE:Todd Tugwell, Steve Kichefski (NCIRT) NCDEQ DWR: Erin Davis (NCIRT) NCWRC: Olivia Munzer(NCIRT) EPR: Erin Bennett,Jake Byers, Amy James WLS: Daniel Ingram, Catherine Manner Recorded By: Catherine Manner These meeting minutes document notes and discussion points from the North Carolina Interagency Review Team (NCIRT) Draft Prospectus Site Meeting for the Starker Mitigation Project(Catawba Basin,CU 03050101). The project site is located in Catawba County, near Claremont, North Carolina. The meeting began at 11:00am with a general summary of the overall project concepts. After the site overview, attendees toured the project site to review existing conditions and proposed mitigation types, restoration approaches, and design concepts. In general, the project site review notes are presented below in the order they were visited. Group started on the south side of Interstate 40 S100(End of Reach) • Meeting started at the bottom end of S100 at the crossing. • Discussed how the culvert would be an agricultural culvert. Steve noted that at the permitting stage to make it clear that is an agriculture crossing. • IRT noted a lot of Black Walnut species and to avoid planting that species, and remove existing black walnut as needed (do not avoid). • WLS stated that we were unsure of continuing the project past the crossing,Todd was concerned that if we didn't it might cause stability issues upstream. waterlandsolutions.com I 7721 Six Forks Rd, Ste 1130, Raleigh, NC 27615 I 919-614-5111 4 WATER & LAND SOLUTIONS • Restoration design approach was thought to be the correct approach for the reach. S101 • Group walked up to S101. • Steve/Daniel walked up to the origin point.Origin point was located at the end of the conservation easement for that section. • Discussion on how the elevation of the channel needs to be brought up correctly to connect into S100 and intermittent stream flow might be affected • Group agreed on the restoration approach. S100(Below Interstate-40) • Group drove to the culvert output below Interstate-40 and hiked down the hill to the stream. • Discussed restoration approach and raising the bed to match culvert elevation.Talked about how even with raising the streambed elevation not much aquatic passage would result because of how long the culvert is under the interstate. S200 (above crossing) • Group drove across field to S200 and walked from the crossing up to the culvert under Interstate 40. • Daniel explained that enhancement II was proposed in the section between the culvert and the crossing below. • Group discussion on the amount of sediment that appeared to be moving through the channel as well as the lack of vegetation on the banks which might lead to stability issues. • Discussed that restoration could be proposed in this area if justified in the mitigation plan. • Group walked down the stream below the culvert. Discussion on if restoration approach was used above the crossing then the elevation could be set for the crossing culvert and the entire reach in the design. • Group continued to walk S200 below the crossing. Todd stated that there were some areas that looked okay and others that were not, Erin Davis stated that the vegetation was not ideal. • Group agreed that restoration was the best approach to the section below the crossing. S200 (North of Interstate-40) • Group drove to the north side of the project and started on S200. • Walking downstream on S200 group discussed restoration approach and what elevation this section would be brought up too.Todd suggested placing a bmp in areas where run off is coming into the easement if possible. S100 (North of Interstate-40) • Group drove over to S100 and started at the wetland area. Erin Davis stated that rehabilitation would be a good approach up until the wood line and then inside the wood line enhancement would be a better approach. • IRT suggested adding a wetland gage now in order to document existing conditions and demonstrate functional lift. • Erin Davis inquired about the target hydroperiod and WLS responded we would follow the current 2016 IRT guidance. waterlandsolutions.com I 7721 Six Forks Rd, Ste 1130, Raleigh, NC 27615 I 919-614-5111 WATER & LAND SOLUTIONS S102 • Walked upstream to S102. Group looked at origin point. • IRT stated that if the restoration approached was used that WLS would have to show that it was still jurisdictional. S103 • Group had similar concerns about S103 as they did with S102. WLS would have to show that it was still a jurisdictional feature after the bed elevation is brought up. Overall Notes • Steve suggested starting the easement about 15-20ft off the ROW of the interstate in case of future expansion. WLS/EPR will coordinate with NCDOT during design phase regarding culvert capacity and extra ROW width. • After seeing above and below the interstate the IRT thought that a restoration approach for the section of S200 south of the interstate would be appropriate if clearly justified in the mitigation plan. • Erin Davis noted that WLS should clearly state what the target community is in the mitigation plan. • Overall the IRT members agreed the project is suitable to provide compensatory mitigation, provided it is properly justified in the mitigation plan. • WLS will provide a "Final Prospectus" and table of adjacent owners for public notice. The above minutes represents Water& Land Solutions' interpretation and understanding of the meeting discussion and actions. If recipients of these minutes should find any information contained in these minutes to be in error, incomplete, please notify the author with appropriate corrections and/or additions within five (5) business days to allow adequate time for correction and redistribution. waterlandsolutions.com I 7721 Six Forks Rd, Ste 1130, Raleigh, NC 27615 I 919-614-5111 4 WATER & LAND SOLUTIONS Meeting Minutes Starker Mitigation Project Subject: NCIRT Draft Prospectus Site Meeting Date Prepared: October 1, 2020 Meeting Date and Time: September 30, 2020 @ 11:00 am Meeting Location: On Site (Catawba County, NC) Attendees: USACE:Todd Tugwell, Steve Kichefski (NCIRT) NCDEQ DWR: Erin Davis (NCIRT) NCWRC: Olivia Munzer(NCIRT) EPR: Erin Bennett,Jake Byers,Amy James WLS: Daniel Ingram, Catherine Manner Recorded By: Catherine Manner These meeting minutes document notes and discussion points from the North Carolina Interagency Review Team (NCIRT) Draft Prospectus Site Meeting for the Starker Mitigation Project(Catawba Basin, CU 03050101). The project site is located in Catawba County, near Claremont, North Carolina. The meeting began at 11:00am with a general summary of the overall project concepts. After the site overview, attendees toured the project site to review existing conditions and proposed mitigation types, restoration approaches, and design concepts. In general, the project site review notes are presented below in the order they were visited. Group started on the south side of Interstate 40 S100(End of Reach) • Meeting started at the bottom end of S100 at the crossing. • Discussed how the culvert would be an agricultural culvert. Steve noted that at the permitting stage to make it clear that is an agriculture crossing. • IRT noted a lot of Black Walnut species and to avoid planting that species, and remove existing black walnut as needed (do not avoid). • WLS stated that we were unsure of continuing the project past the crossing,Todd was concerned that if we didn't it might cause stability issues upstream. waterlandsolutions.com I 7721 Six Forks Rd, Ste 1130, Raleigh, NC 27615 I 919-614-5111 4 WATER & LAND SOLUTIONS • Restoration design approach was thought to be the correct approach for the reach. S101 • Group walked up to S101. • Steve/Daniel walked up to the origin point.Origin point was located at the end of the conservation easement for that section. • Discussion on how the elevation of the channel needs to be brought up correctly to connect into S100 and intermittent stream flow might be affected • Group agreed on the restoration approach. S100(Below Interstate-40) • Group drove to the culvert output below Interstate-40 and hiked down the hill to the stream. • Discussed restoration approach and raising the bed to match culvert elevation.Talked about how even with raising the streambed elevation not much aquatic passage would result because of how long the culvert is under the interstate. S200 (above crossing) • Group drove across field to S200 and walked from the crossing up to the culvert under Interstate 40. • Daniel explained that enhancement II was proposed in the section between the culvert and the crossing below. • Group discussion on the amount of sediment that appeared to be moving through the channel as well as the lack of vegetation on the banks which might lead to stability issues. • Discussed that restoration could be proposed in this area if justified in the mitigation plan. • Group walked down the stream below the culvert. Discussion on if restoration approach was used above the crossing then the elevation could be set for the crossing culvert and the entire reach in the design. • Group continued to walk 5200 below the crossing.Todd stated that there were some areas that looked okay and others that were not, Erin Davis stated that the vegetation was not ideal. • Group agreed that restoration was the best approach to the section below the crossing. S200 (North of Interstate-40) • Group drove to the north side of the project and started on S200. • Walking downstream on S200 group discussed restoration approach and what elevation this section would be brought up too.Todd suggested placing a bmp in areas where run off is coming into the easement if possible. S100 (North of Interstate-40) • Group drove over to S100 and started at the wetland area. Erin Davis stated that rehabilitation would be a good approach up until the wood line and then inside the wood line enhancement would be a better approach. • IRT suggested adding a wetland gage now in order to document existing conditions and demonstrate functional lift. • Erin Davis inquired about the target hydroperiod and WLS responded we would follow the current 2016 IRT guidance. waterlandsolutions.com I 7721 Six Forks Rd, Ste 1130, Raleigh, NC 27615 I 919-614-5111 WATER & LAND SOLUTIONS S102 • Walked upstream to S102. Group looked at origin point. • IRT stated that if the restoration approached was used that WLS would have to show that it was still jurisdictional. S103 • Group had similar concerns about S103 as they did with S102. WLS would have to show that it was still a jurisdictional feature after the bed elevation is brought up. Overall Notes • Steve suggested starting the easement about 15-20ft off the ROW of the interstate in case of future expansion. WLS/EPR will coordinate with NCDOT during design phase regarding culvert capacity and extra ROW width. • After seeing above and below the interstate the IRT thought that a restoration approach for the section of S200 south of the interstate would be appropriate if clearly justified in the mitigation plan. • Erin Davis noted that WLS should clearly state what the target community is in the mitigation plan. • Overall the IRT members agreed the project is suitable to provide compensatory mitigation, provided it is properly justified in the mitigation plan. • WLS will provide a "Final Prospectus" and table of adjacent owners for public notice. The above minutes represents Water& Land Solutions' interpretation and understanding of the meeting discussion and actions. If recipients of these minutes should find any information contained in these minutes to be in error, incomplete, please notify the author with appropriate corrections and/or additions within five (5) business days to allow adequate time for correction and redistribution. waterlandsolutions.com I 7721 Six Forks Rd, Ste 1130, Raleigh, NC 27615 I 919-614-5111 ° NXrY f cud s14i1)L]}F. United States Department of the Interior �"�"IX FISH AND WILDLIFE SERVICE ,$ Asheville Ecological Services Field Office 160 Zillicoa Street Asheville,NC 28801-1082 Phone: (828)258-3939 Fax: (828)258-5330 http://www.fws.gov/nc-es/es/countyfr.html In Reply Refer To: August 07, 2020 Consultation Code: 04EN1000-2020-SLI-0814 Event Code: 04EN1000-2020-E-01917 Project Name: Starker Mitigation Site Subject: List of threatened and endangered species that may occur in your proposed project location, and/or may be affected by your proposed project To Whom It May Concern: The attached species list identifies threatened, endangered, proposed and candidate species, as well as proposed and final designated critical habitat, that may occur within the boundary of your proposed project and/or may be affected by your proposed project.Although not required by section 7, many agencies request species lists to start the informal consultation process and begin their fulfillment of the requirements under section 7(c) of the Endangered Species Act (Act) of 1973, as amended (16 U.S.C. 1531 et seq.). This list, along with other helpful resources, is also available on the U.S. Fish and Wildlife Service (Service)Asheville Field Office's (AFO)website: https://www.fws.gov/raleigh/species/ cntylist/nc counties.html. The AFO website list includes "species of concern" species that could potentially be placed on the federal list of threatened and endangered species in the future.Also available are: Design and Construction Recommendations https://www.fws.gov/asheville/htmis/project review/Recommendations.html Optimal Survey Times for Federally Listed Plants https://www.fws.gov/nc-es/plant/plant survey.html Northern long-eared bat Guidance https://www.fws.gov/asheville/htmis/project review/NLEB in WNC.html Predictive Habitat Model for Aquatic Species https://www.fws.gov/asheville/htmis/Maxent/Maxent.html 08/07/2020 Event Code: 04EN1000-2020-E-01917 2 New information based on updated surveys, changes in the abundance and distribution of species, changed habitat conditions, or other factors could require modifications of these lists. Please note that under 50 CFR 402.12(e) of the regulations implementing section 7 of the Act, the accuracy of the species lists should be verified after 90 days. This verification can be completed formally or informally as desired. The Service recommends that verification be completed by visiting the ECOS-IPaC website or the AFO website (the AFO website dates each county list with the day of the most recent update/change) at regular intervals during project planning and implementation for updates to species lists and information.An updated list may be requested through the ECOS-IPaC system by completing the same process used to receive the enclosed list or by going to the AFO website. The purpose of the Act is to provide a means whereby threatened and endangered species and the ecosystems upon which they depend may be conserved. Under sections 7(a)(1) and 7(a)(2) of the Act and its implementing regulations (50 CFR 402 et seq.), Federal agencies are required to utilize their authorities to carry out programs for the conservation of threatened and endangered species and to determine whether projects may affect threatened and endangered species and/or designated critical habitat. A Biological Assessment is required for construction projects (or other undertakings having similar physical impacts) that are major Federal actions significantly affecting the quality of the human environment as defined in the National Environmental Policy Act(42 U.S.C. 4332(2) (c)). For projects other than major construction activities, the Service suggests that a Biological Evaluation similar to a Biological Assessment be prepared to determine whether the project may affect listed or proposed species and/or designated or proposed critical habitat. Recommended contents of a Biological Assessment are described at 50 CFR 402.12 and on our office's website at https://www.fws.gov/asheville/htmis/project_review/assessmentguidance.html. If a Federal agency(or their non-federal representative) determines, based on the Biological Assessment or Biological Evaluation, that listed species and/or designated critical habitat may be affected by the proposed project, the agency is required to consult with the Service pursuant to 50 CFR 402. In addition, the Service recommends that candidate species, proposed species, and proposed critical habitat be addressed within the consultation. More information on the regulations and procedures for section 7 consultation, including the role of permit or license applicants, can be found in the "Endangered Species Consultation Handbook" at: http:// www.fws.gov/endangered/esa-library/pdf/TOC-GLOS.PDF. Though the bald eagle is no longer protected under the Endangered Species Act, please be aware that bald and golden eagles are protected under the Bald and Golden Eagle Protection Act (16 U.S.C. 668 et seq.), and projects affecting these species may require additional consultation (see https://www.fws.gov/southeast/our-services/permits/eagles/). Wind energy projects should follow the wind energy guidelines (http://www.fws.gov/windenergy/) for minimizing impacts to migratory birds (including bald and golden eagles) and bats. Guidance for minimizing impacts to migratory birds for projects including communications towers (e.g., cellular, digital television, radio, and emergency broadcast) can be found at: http:// www.fws.gov/migratorybirds/CurrentBirdlssues/Hazards/towers/towers.htm; 08/07/2020 Event Code: 04EN1000-2020-E-01917 3 http://www.towerkill.com; and http://www.fws.gov/migratorybirds/CurrentBirdlssues/Hazards/ towers/comtow.html. We appreciate your concern for threatened and endangered species. The Service encourages Federal agencies to include conservation of threatened and endangered species into their project planning to further the purposes of the Act. Please include the Consultation Tracking Number in the header of this letter with any request for consultation or correspondence about your project that you submit to our office. Attachment(s): • Official Species List ■ Migratory Birds ■ Wetlands 08/07/2020 Event Code: 04EN1000-2020-E-01917 1 Official Species List This list is provided pursuant to Section 7 of the Endangered Species Act, and fulfills the requirement for Federal agencies to "request of the Secretary of the Interior information whether any species which is listed or proposed to be listed may be present in the area of a proposed action". This species list is provided by: Asheville Ecological Services Field Office 160 Zillicoa Street Asheville, NC 28801-1082 (828) 258-3939 08/07/2020 Event Code: 04EN1000-2020-E-01917 2 Project Summary Consultation Code: 04EN1000-2020-SLI-0814 Event Code: 04EN1000-2020-E-01917 Project Name: Starker Mitigation Site Project Type: ** OTHER ** Project Description: The Starker Mitigation Site includes two unnamed tributaries to Mull Creek(UT1 and UT2) and associated riparian wetland opportunities. The site is expected to include stream credits and several acres of wetland mitigation potential. The mitigation approaches for the site are expected to include stream restoration and enhancement, and wetland restoration, enhancement, and creation. Project Location: Approximate location of the project can be viewed in Google Maps: https:// www.google.com/maps/place/35.71886114616011N81.16785545802983W iy -Si.ti,K,o rb�rr 9d __ ee • • • • . Counties: Catawba, NC 08/07/2020 Event Code: 04EN1000-2020-E-01917 3 Endangered Species Act Species There is a total of 4 threatened, endangered, or candidate species on this species list. Species on this list should be considered in an effects analysis for your project and could include species that exist in another geographic area. For example, certain fish may appear on the species list because a project could affect downstream species. IPaC does not display listed species or critical habitats under the sole jurisdiction of NOAA Fisheries', as USFWS does not have the authority to speak on behalf of NOAA and the Department of Commerce. See the "Critical habitats" section below for those critical habitats that lie wholly or partially within your project area under this office's jurisdiction. Please contact the designated FWS office if you have questions. 1. NOAA Fisheries, also known as the National Marine Fisheries Service (NMFS), is an office of the National Oceanic and Atmospheric Administration within the Department of Commerce. Mammals NAME STATUS Northern Long-eared Bat Myotis septentrionalis Threatened No critical habitat has been designated for this species. Species profile:https://ecos.fws.gov/ecp/species/9045 Reptiles NAME STATUS Bog Turtle Clemmys muhlenbergii Similarity of Population:U.S.A.(GA,NC, SC,TN,VA) Appearance No critical habitat has been designated for this species. (Threatened) Species profile:https://ecos.fws.gov/ecp/species/6962 08/07/2020 Event Code: 04EN1000-2020-E-01917 4 Flowering Plants NAME STATUS Dwarf-flowered Heartleaf Hexastylis naniflora Threatened No critical habitat has been designated for this species. Species profile:https://ecos.fws.gov/ecp/species/2458 Schweinitz's Sunflower Helianthus schweinitzii Endangered No critical habitat has been designated for this species. Species profile:https://ecos.fws.gov/ecp/species/3849 Critical habitats THERE ARE NO CRITICAL HABITATS WITHIN YOUR PROJECT AREA UNDER THIS OFFICE'S JURISDICTION. 08/07/2020 Event Code: 04EN1000-2020-E-01917 1 Migratory Birds Certain birds are protected under the Migratory Bird Treaty Act'and the Bald and Golden Eagle Protection Act2. Any person or organization who plans or conducts activities that may result in impacts to migratory birds, eagles, and their habitats should follow appropriate regulations and consider implementing appropriate conservation measures, as described below. 1. The Migratory Birds Treaty Act of 1918. 2. The Bald and Golden Eagle Protection Act of 1940. 3. 50 C.F.R. Sec. 10.12 and 16 U.S.C. Sec. 668(a) The birds listed below are birds of particular concern either because they occur on the USFWS Birds of Conservation Concern (BCC) list or warrant special attention in your project location. To learn more about the levels of concern for birds on your list and how this list is generated, see the FAQ below. This is not a list of every bird you may find in this location, nor a guarantee that every bird on this list will be found in your project area. To see exact locations of where birders and the general public have sighted birds in and around your project area, visit the E-bird data mapping tool (Tip: enter your location, desired date range and a species on your list). For projects that occur off the Atlantic Coast, additional maps and models detailing the relative occurrence and abundance of bird species on your list are available. Links to additional information about Atlantic Coast birds, and other important information about your migratory bird list, including how to properly interpret and use your migratory bird report, can be found below. For guidance on when to schedule activities or implement avoidance and minimization measures to reduce impacts to migratory birds on your list, click on the PROBABILITY OF PRESENCE SUMMARY at the top of your list to see when these birds are most likely to be present and breeding in your project area. NAME BREEDING SEASON Blue-winged Warbler Vermivora pinus Breeds May 1 to Jun This is a Bird of Conservation Concern(BCC)only in particular Bird Conservation 30 Regions(BCRs)in the continental USA Red-headed Woodpecker Melanerpes erythrocephalus Breeds May 10 to Sep This is a Bird of Conservation Concern(BCC)throughout its range in the 10 continental USA and Alaska. 08/07/2020 Event Code: 04EN1000-2020-E-01917 2 Probability Of Presence Summary The graphs below provide our best understanding of when birds of concern are most likely to be present in your project area. This information can be used to tailor and schedule your project activities to avoid or minimize impacts to birds. Please make sure you read and understand the FAQ "Proper Interpretation and Use of Your Migratory Bird Report" before using or attempting to interpret this report. Probability of Presence (■) Each green bar represents the bird's relative probability of presence in the 10km grid cell(s) your project overlaps during a particular week of the year. (A year is represented as 12 4-week months.)A taller bar indicates a higher probability of species presence. The survey effort (see below) can be used to establish a level of confidence in the presence score. One can have higher confidence in the presence score if the corresponding survey effort is also high. How is the probability of presence score calculated?The calculation is done in three steps: 1. The probability of presence for each week is calculated as the number of survey events in the week where the species was detected divided by the total number of survey events for that week. For example, if in week 12 there were 20 survey events and the Spotted Towhee was found in 5 of them, the probability of presence of the Spotted Towhee in week 12 is 0.25. 2. To properly present the pattern of presence across the year, the relative probability of presence is calculated. This is the probability of presence divided by the maximum probability of presence across all weeks. For example, imagine the probability of presence in week 20 for the Spotted Towhee is 0.05, and that the probability of presence at week 12 (0.25) is the maximum of any week of the year. The relative probability of presence on week 12 is 0.25/0.25 = 1; at week 20 it is 0.05/0.25 = 0.2. 3. The relative probability of presence calculated in the previous step undergoes a statistical conversion so that all possible values fall between 0 and 10, inclusive. This is the probability of presence score. Breeding Season ( ) Yellow bars denote a very liberal estimate of the time-frame inside which the bird breeds across its entire range. If there are no yellow bars shown for a bird, it does not breed in your project area. Survey Effort (I) Vertical black lines superimposed on probability of presence bars indicate the number of surveys performed for that species in the 10km grid cell(s) your project area overlaps. The number of surveys is expressed as a range, for example, 33 to 64 surveys. No Data (—) A week is marked as having no data if there were no survey events for that week. Survey Timeframe 08/07/2020 Event Code: 04EN1000-2020-E-01917 3 Surveys from only the last 10 years are used in order to ensure delivery of currently relevant information. The exception to this is areas off the Atlantic coast, where bird returns are based on all years of available data, since data in these areas is currently much more sparse. •probability of presence breeding season I survey effort —no data SPECIES JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC Blue-winged W IIII IIII ---- —�-- — — -- — ---- WarbrblerBCC-BCR Red-headed WoodpecBCC ker de(CON) ---- Additional information can be found using the following links: • Birds of Conservation Concern http://www.fws.gov/birds/management/managed-species/ birds-of-conservation-concern.php • Measures for avoiding and minimizing impacts to birds http://www.fws.gov/birds/ management/proj ect-assessment-tools-and-guidance/ conservation-measures.php • Nationwide conservation measures for birds http://www.fws.gov/migratorybirds/pdf/ management/nationwidestandardconservationmeasures.pdf Migratory Birds FAQ Tell me more about conservation measures I can implement to avoid or minimize impacts to migratory birds. Nationwide Conservation Measures describes measures that can help avoid and minimize impacts to all birds at any location year round. Implementation of these measures is particularly important when birds are most likely to occur in the project area.When birds may be breeding in the area, identifying the locations of any active nests and avoiding their destruction is a very helpful impact minimization measure. To see when birds are most likely to occur and be breeding in your project area, view the Probability of Presence Summary. Additional measures and/or permits may be advisable depending on the type of activity you are conducting and the type of infrastructure or bird species present on your project site. What does IPaC use to generate the migratory birds potentially occurring in my specified location? The Migratory Bird Resource List is comprised of USFWS Birds of Conservation Concern (BCC) and other species that may warrant special attention in your project location. 08/07/2020 Event Code: 04EN1000-2020-E-01917 4 The migratory bird list generated for your project is derived from data provided by the Avian Knowledge Network (AKN). The AKN data is based on a growing collection of survey, banding, and citizen science datasets and is queried and filtered to return a list of those birds reported as occurring in the 10km grid cell(s)which your project intersects, and that have been identified as warranting special attention because they are a BCC species in that area, an eagle (Eagle Act requirements may apply), or a species that has a particular vulnerability to offshore activities or development. Again, the Migratory Bird Resource list includes only a subset of birds that may occur in your project area. It is not representative of all birds that may occur in your project area. To get a list of all birds potentially present in your project area, please visit the AKN Phenology Tool. What does IPaC use to generate the probability of presence graphs for the migratory birds potentially occurring in my specified location? The probability of presence graphs associated with your migratory bird list are based on data provided by the Avian Knowledge Network (AKN). This data is derived from a growing collection of survey, banding, and citizen science datasets . Probability of presence data is continuously being updated as new and better information becomes available. To learn more about how the probability of presence graphs are produced and how to interpret them, go the Probability of Presence Summary and then click on the "Tell me about these graphs" link. How do I know if a bird is breeding, wintering, migrating or present year-round in my project area? To see what part of a particular bird's range your project area falls within (i.e. breeding, wintering, migrating or year-round), you may refer to the following resources: The Cornell Lab of Ornithology All About Birds Bird Guide, or (if you are unsuccessful in locating the bird of interest there), the Cornell Lab of Ornithology Neotropical Birds guide. If a bird on your migratory bird species list has a breeding season associated with it, if that bird does occur in your project area, there may be nests present at some point within the timeframe specified. If "Breeds elsewhere" is indicated, then the bird likely does not breed in your project area. What are the levels of concern for migratory birds? Migratory birds delivered through IPaC fall into the following distinct categories of concern: 1. "BCC Rangewide" birds are Birds of Conservation Concern (BCC) that are of concern throughout their range anywhere within the USA(including Hawaii, the Pacific Islands, Puerto Rico, and the Virgin Islands); 2. "BCC - BCR" birds are BCCs that are of concern only in particular Bird Conservation Regions (BCRs) in the continental USA; and 3. "Non-BCC -Vulnerable" birds are not BCC species in your project area, but appear on your list either because of the Eagle Act requirements (for eagles) or (for non-eagles) potential susceptibilities in offshore areas from certain types of development or activities (e.g. offshore energy development or longline fishing). 08/07/2020 Event Code: 04EN1000-2020-E-01917 5 Although it is important to try to avoid and minimize impacts to all birds, efforts should be made, in particular, to avoid and minimize impacts to the birds on this list, especially eagles and BCC species of rangewide concern. For more information on conservation measures you can implement to help avoid and minimize migratory bird impacts and requirements for eagles, please see the FAQs for these topics. Details about birds that are potentially affected by offshore projects For additional details about the relative occurrence and abundance of both individual bird species and groups of bird species within your project area off the Atlantic Coast, please visit the Northeast Ocean Data Portal. The Portal also offers data and information about other taxa besides birds that may be helpful to you in your project review.Alternately, you may download the bird model results files underlying the portal maps through the NOAA NCCOS Integrative Statistical Modeling and Predictive Mapping of Marine Bird Distributions and Abundance on the Atlantic Outer Continental Shelf project webpage. Bird tracking data can also provide additional details about occurrence and habitat use throughout the year, including migration. Models relying on survey data may not include this information. For additional information on marine bird tracking data, see the Diving Bird Study and the nanotag studies or contact Caleb Spiegel or Pam Loring. What if I have eagles on my list? If your project has the potential to disturb or kill eagles, you may need to obtain a permit to avoid violating the Eagle Act should such impacts occur. Proper Interpretation and Use of Your Migratory Bird Report The migratory bird list generated is not a list of all birds in your project area, only a subset of birds of priority concern. To learn more about how your list is generated, and see options for identifying what other birds may be in your project area, please see the FAQ"What does IPaC use to generate the migratory birds potentially occurring in my specified location". Please be aware this report provides the "probability of presence" of birds within the 10 km grid cell(s) that overlap your project; not your exact project footprint. On the graphs provided, please also look carefully at the survey effort(indicated by the black vertical bar) and for the existence of the "no data" indicator(a red horizontal bar).A high survey effort is the key component. If the survey effort is high, then the probability of presence score can be viewed as more dependable. In contrast, a low survey effort bar or no data bar means a lack of data and, therefore, a lack of certainty about presence of the species. This list is not perfect; it is simply a starting point for identifying what birds of concern have the potential to be in your project area, when they might be there, and if they might be breeding (which means nests might be present). The list helps you know what to look for to confirm presence, and helps guide you in knowing when to implement conservation measures to avoid or minimize potential impacts from your project activities, should presence be confirmed. To learn more about conservation measures, visit the FAQ "Tell me about conservation measures I can implement to avoid or minimize impacts to migratory birds" at the bottom of your migratory bird trust resources page. 08/07/2020 Event Code: 04EN1000-2020-E-01917 1 Wetlands Impacts to NWI wetlands and other aquatic habitats may be subject to regulation under Section 404 of the Clean Water Act, or other State/Federal statutes. For more information please contact the Regulatory Program of the local U.S.Army Corps of Engineers District. Please note that the NWI data being shown may be out of date. We are currently working to update our NWI data set. We recommend you verify these results with a site visit to determine the actual extent of wetlands on site. FRESHWATER FORESTED/SHRUB WETLAND ■ PFO1A RIVERINE ■ R4SBC NCHPO HPOWEB CT0803 William Rockett Ftt,i,i t� Rd P House ' House , CT0546 House I,:, c� e a a. tf,,y,, rz . 4- A Rock Barn 1, -P 5 Golf d Spa 11 Cr a sy er' -,4. CT0795 Joham TheobolrJ t,,, Hunnsucker House r2,T0417 Rock Barn Farm 1, 1990 x 40 7 Rock c,lydie" Barn r :. Golf Spa Sajr � i,.', • 1Ft.F k3�4M I }..../vc y❑ ,�". ;M4 CT0796 Sai0. nt t John's 't- _1 4 Frederick Smith Church Cemetery0 „ , r House' t-roans Cg urch Rra4,5: , 6. rn CT 0797 L. Sigmon House 1996 A \ J ,...,1" jlIPulhhhhhhhhhhhhhuuuI..uIllI.i_.a.. CT1574 Heffner Farm Cr T` Cerr• tental Blvd • " 4- s. f ATAWB ►N Iv 4GT1005 House CT1007 Cal Sigmon House- CT1 U01 I I..i.r.,: al � CT10 i3 Claremont School I y CT0790 E. Hollar House itt M x I - TU789 F.1ose Herman Claremcr"4 i .+"' t ,:, House t T1 Oil'House g n e CTr�998 Knox S igm on 1 I S �.c,S House CT0999 Carl Pope House E, CT1 C r13 E.S.LittlecT1 r12 House CT0996 Jonas Sigmon 6 House ti" House * CT0786 Lloyd Hewitt F ��� II ttuLlseA iCT0995 LeeSmyreH5ti. T,,I ,,• II i.r., Tr t rover Q-9 �, met ���d tra,ice- - u+ 0 CT0598 W. H. Smith Cr . S, I' ' rp.House CT0518 House eCT0787 Smith House eL 4 CT1017 Factory Smoke * - ---, a fn ;tack it Conover Blvd E r', aL CTC645 House s , ,n ',,,,_� Kelly Blvd 3 CT 1077 Yc lnt Cotton C CT0785 Little Farm Mill 2010 3 Site SO `a ..? st`, 0 -�� .- C- , ro CT0784 E. C.H ekuitt c" Keisler Dairy Rd House a. f CT0711 Zeb Bulls House Northside 6)` kefSi f Darr �o Park .�pttti r,, CT0710 Boggs House CT0594 Sherrill House CT071.2 Hughette House ro • Di • ' CT0558 House - u 2/12/2021, 10:46:47 AM 1:36,112 Starker Survey Area-Starker_SurveyArea_rev Surveyed Area in NHRD SL individual resources&centerpoints 0 0.33 0.65 1.3 mi Local districts&boundaries DOE districts&boundaries SL Individual Entry r 0 0.5 1 2 km Local individual resources&centerpoints = Determined Eligible Boundary • SL and DOE entry • Local Landmark = Both DOE and Study List Boundary • Study List Entry,Gone • Local Landmark,Gone DOE individual resources&centerpoints A SL and DOE,Gone Local HD Center Point Determined Eligible * SLHD Center Point A DOE,Gone Surveyed Only individual resources&centerpoints * SLDOEHD Center Point Surveyed Only SL and DOE NR districts&boundaries Surveyed in NRHD a SL and DOE,Gone = National Register Boundary • Surveyed Only,Gone * DOEHD Center Point • Surveyed in NRHD,Gone * SLDOEHD Center Point State of North Carolina DOT, Esri, HERE, Garmin, INCREMENT P, Blockface-Multiple properties SL districts&boundaries NGA, USGS = Study List Boundary Blockface in NRHD = Both SL and Determined Eligible Boundary Surveyed Area, No designation North Carolina State Historic Preservation Office State of North Carolina DOT, Esri, HERE,Garmin, INCREMENT P, NGA, USGS I Participating NC Counties,NCCGIA, NC OneMap,US EPA I Esri, HERE L• •••• Rcy Cooper,Governor •• • NC DEPARTMENT OF slimII NATURAL AND CULTURAL RESOURCES Susi Hamilton,Secretary • ••• Walter Clark, Director, Land and Water stewardship NCNHDE-12647 August 10, 2020 Amy James Ecosystem Planning and Restoration 1150 SE Maynard Rd. Suite 140 Cary, NC 27511 RE: Starker Mitigation Bank Site Dear Amy James: The North Carolina Natural Heritage Program (NCNHP) appreciates the opportunity to provide information about natural heritage resources for the project referenced above. Based on the project area mapped with your request, a query of the NCNHP database indicates that there are no records for rare species, important natural communities, natural areas, and/or conservation/managed areas within the proposed project boundary. Please note that although there may be no documentation of natural heritage elements within the project boundary, it does not imply or confirm their absence; the area may not have been surveyed. The results of this query should not be substituted for field surveys where suitable habitat exists. In the event that rare species are found within the project area, please contact the NCNHP so that we may update our records. The attached `Potential Occurrences' table summarizes rare species and natural communities that have been documented within a one-mile radius of the property boundary. The proximity of these records suggests that these natural heritage elements may potentially be present in the project area if suitable habitat exists. Tables of natural areas and conservation/managed areas within a one-mile radius of the project area, if any, are also included in this report. If a Federally-listed species is found within the project area or is indicated within a one-mile radius of the project area, the NCNHP recommends contacting the US Fish and Wildlife Service (USFWS) for guidance. Contact information for USFWS offices in North Carolina is found here: httos://www.fws.gov/offices/Directory/ListOffices.cfm?statecode=37. Please note that natural heritage element data are maintained for the purposes of conservation planning, project review, and scientific research, and are not intended for use as the primary criteria for regulatory decisions. Information provided by the NCNHP database may not be published without prior written notification to the NCNHP, and the NCNHP must be credited as an information source in these publications. Maps of NCNHP data may not be redistributed without permission. The NC Natural Heritage Program may follow this letter with additional correspondence if a Dedicated Nature Preserve, Registered Heritage Area, Clean Water Management Trust Fund easement, or Federally-listed species are documented near the project area. If you have questions regarding the information provided in this letter or need additional assistance, please contact Rodney A. Butler at rodney.butleincdcr.gov or 919-707-8603. Sincerely, NC Natural Heritage Program DEPARTMENT OF NATURAL AND CULTURAL RESOURCES 0 121 W.JONES STREET, RALEIGH.NC 27603 • 1E51 MAIL SERVICE CENTER,RALEIGH.NC 27699. OFC 919,707.S120 • FAX D19,707,9121 Natural Heritage Element Occurrences, Natural Areas, and Managed Areas Within a One-mile Radius of the Project Area Starker Mitigation Bank Site August 10, 2020 NCNHDE-12647 No Element Occurrences are Documented Within a One-mile Radius of the Project Area No Natural Areas are Documented Within a One-mile Radius of the Project Area Managed Areas Documented Within a One-mile Radius of the Project Area Managed Area Na Owner wner Ty NC Clean Water Management Trust Fund Funded NC DNCR, Clean Water Management Trust State Project Fund Definitions and an explanation of status designations and codes can be found at https://ncnhde.natureserve.ora/help. Data query generated on August 10,2020;source: NCNHP, Q3 July 2020. Please resubmit your information request if more than one year elapses before project initiation as new information is continually added to the NCNHP database. Page 2 of 3 NCNHDE-12647: Starker Mitigation Bank Site �rrt., - .a .c Y ' _ k o Rock Bar girdle m vn- I co GpItB Spa , U 4. Mull s 0 �`NF '5 [. _ - o ' __ ..__ St Jah'ns Church Rd NF • ' Q-a kc 40- \ s - J r. _ 0C:t _ -" UP ` •c \\ ''' tenial-Blvd ', nu7 6 ne ' f , _ _ ` [ r yO ZCc l i r O\ • Z it n y.! 7n C aremont a- �^` N �4 i _ � = C�;:- Poop t firader Dr - i CO 7 Cn N L___ Conev.,i Bend E a W+E ong Cn, • S 4 Kelly BK.:: August 10, 2020 1:30,962 ❑ Project Boundary 0 0.25 0.5 mi I1 ', t IDBuffered Project Boundary 0 0.425 0.85 1.7 km ri Managed Area(MAREA) Sources: Esri,HERE,Garmin,Intermap,increment P Corp.,GEBCO,USGS, FAO,NPS,NRCAN,GeoBase,IGN,Kadaster NL,Ordnance Survey,Esri Japan, METI,Eon China(Hong Kong),(c)OpenStreetMap contributors,and the GIS User Community Page 3 of 3 LyJR j • 0 North Carolina Wildlife Resources Commission 0 Gordon Myers, Executive Director 01 September 2020 Ms. Erin Bennett Ecosystem Planning&Restoration 1150 S.E. Maynard Road, Suite 140 Cary,North Carolina 27511 Subject: Request for Project Review and Comments Starker Stream Mitigation Site Catawba County,North Carolina. Dear Ms. Bennett, Biologists with the North Carolina Wildlife Resource Commission(NCWRC)received your request to review and comment on any possible concerns regarding Starker Stream Mitigation Site. Biologists with NCWRC have reviewed the provided documents. Comments are provided in accordance with provisions of the Fish and Wildlife Coordination Act(48 Stat.401, as amended; 16 U.S.C. 661-667e)and North Carolina General Statutes (G.S. 113-131 et seq.). The Starker Stream Mitigation Site is located north of Interstate 40(I-40)and south of Rock Barn Road, and south of I-40 and east of Banner Road NE near Claremont, Catawba County,North Carolina. The site occurs within an existing agricultural and wooded areas. We have no known records for rare,threatened, or endangered species at the site. Ecosystem Planning& Restoration(EPR) surveyed the site for federal and state endangered Schweinitz's sunflower(Helianthus schweinitzii) in mid-July and found no individuals. The optimal survey period for Schweinitz's sunflower is late August through October. EPR states potential suitable habitat occurs for the federal and state threatened dwarf-flowered heartleaf(Hexastylis naniflora) and surveys will be conducted in spring 2021. We offer the following preliminary recommendations to minimize impacts to aquatic and terrestrial wildlife resources: 1. We recommend surveys for Schweinitz's sunflower are conducted during the optimal survey window of mid-August through October. We suggest EPR contact the U.S. Fish and Wildlife Service(USFWS) at(828)258-3939. 2. We recommend that riparian buffers are as wide as possible, given site constraints and landowner needs. NCWRC generally recommends a woody buffer of 100 feet on perennial streams to maximize the benefits of buffers, including bank stability, stream shading,treatment of overland runoff, and wildlife habitat. Mailing Address: Habitat Conservation • 1721 Mail Service Center • Raleigh,NC 27699-1721 Telephone: (919) 707-0220 • Fax: (919) 707-0028 Page 2 01 September 2020 Starker Stream Mitigation Site Catawba County 3. Due to the decline in bat populations,we recommend leaving snags and mature trees, or if necessary,remove tees outside the maternity roosting season for bats(May 15—August 15). 4. We recommend the planting list is diverse and consists of species typically found in that natural vegetation community, as described by M.P. Schafale in The Guide to The Natural Communities of North Carolina,Fourth Approximation(https://www.ncnhp.org/references/nhp- publications/fourth-approximation-descriptions). 5. We recommend reducing the number of right-of-way easements that fragment the mitigation project. If feasible,we suggest extending the mitigation project along Mull Creek to further increase hydrologic function,restore ecological function in the watershed, and provide a corridor for wildlife. 6. Ensure the culverts provide aquatic life passage during low flows. 7. Stringent sediment and erosion control measures should be implemented. The use of biodegradable and wildlife-friendly sediment and erosion control devices is strongly recommended. Silt fencing, fiber rolls and/or other products should have loose-weave netting that is made of natural fiber materials with movable joints between the vertical and horizontal twines. Silt fencing that has been reinforced with plastic or metal mesh should be avoided as it impedes the movement of terrestrial wildlife species. Excessive silt and sediment loads can have detrimental effects on aquatic resources including destruction of spawning habitat, suffocation of eggs, and clogging of gills. Thank you for the opportunity to provide comments. We will provide additional comments during the site visit. If I can be of assistance,please call(919) 707-0364 or email olivia.munzer@ncwildlife.org. Sincerely, Olivia Munzer Western Piedmont Habitat Conservation Coordinator Habitat Conservation Program Ec: Steve Kichefski,US Army Corps of Engineers Erin Davis,NC Division of Water Resources Byron Hamstead,USFWS ENT Or7,4 FT r ua 1 FISH&WILDLIFE (cis 421- k United States Department of the Interior SERVICE I. „..„ FISH AND WILDLIFE SERVICE Asheville Field Office 2igga9 160 Zillicoa Street Asheville,North Carolina 28801 September 9, 2020 Erin Bennett System Planning and Restoration, LLC 1150 S.E. Maynard Road, Suite 140 Cary NC 27511 Dear Erin Bennett: Subject: Proposed Starker Mitigation Bank; Catawba County,North Carolina Log No. 4-2-20-421 The U.S. Fish and Wildlife Service (Service) has reviewed the information provided in your correspondence received on August 18, 2020, dated August 14, 2020, for the project referenced above wherein you solicit comments regarding potential impacts to federally protected species to satisfy Nationwide permit application requirements. We submit the following comments in accordance with the provisions of the Fish and Wildlife Coordination Act, as amended (16 U.S.C. 661-667e); the National Environmental Policy Act (42 U.S.C. §4321 et seq.); and section 7 of the Endangered Species Act of 1973, as amended(16 U.S.C. 1531-1543) (Act). Project Description According to the information provided, the proposed project involves restoration and enhancement of two unnamed tributaries which connect with Mull Creek River in Claremont, North Carolina. Design plans and descriptions of proposed impact minimization measures were not provided in your correspondence. Onsite habitats (instream and riparian) are highly disturbed due to a legacy of agricultural land use. Surrounding land cover is dominated by forest, agricultural and residential developments. Federally Listed Endangered and Threatened Species Suitable summer roosting habitat may be present in the project area for the northern long-eared bat(Myotis septentrionalis). However, the final 4(d)rule (effective as of February 16, 2016), exempts incidental take of northern long-eared bat associated with activities that occur greater than 0.25 miles from a known hibernation site, and greater than 150 feet from a known, occupied maternity roost during the pup season(June 1 —July 31). Based on the information provided, the project(which may or may not require tree clearing)would occur at a location where any incidental take that may result from associated activities is exempt under the 4(d)rule. Although not required,we encourage you to avoid any associated tree clearing activities during this animal's maternity roosting season from May 15—August 15. Service records indicate several known occurrences of the federally threatened dwarf-flowered heartleaf(Hexastylis naniflora) in the project vicinity. Moreover, your correspondence indicates that suitable habitat is present onsite for dwarf-flowered heartleaf and the federally endangered Schweinitz's sunflower(Helianthus schweinitzii). Your correspondence states that"the area was searched for specimens in mid-July 2020",but it is unclear if targeted surveys were completed at that time. To ensure that these species are not inadvertently lost, targeted surveys should be conducted by qualified biologists during optimal survey windows where project-mediated impacts overlap their suitable habitats. Surveys are not required where suitable habitats are not present within the proposed impact area. Members of the genus Hexastylis may be identified by characteristic evergreen leaves present throughout the year, but flowers are required to diagnose H. naniflora. The flowering window for this species is typically March—May in North Carolina. The optimal survey window for Schweinitz's sunflower is late-August—October. To complete our evaluation, we request that the Applicant provide this office with survey results and/or provide information indicating that suitable habitats are not present within the proposed impact area for federally protected species. In accordance with the Act, it is the responsibility of the appropriate federal agency or its designated representative to review its activities or programs and to identify any such activities or programs that may affect endangered or threatened species or their habitats. If it is determined that the proposed activity may adversely affect any species federally listed as endangered or threatened, formal consultation with this office must be initiated. We offer the following comments in the interest of protecting this species and other natural resources: Erosion and Sediment Control Measures to control sediment and erosion should be installed before any ground-disturbing activities occur. Grading and backfilling should be minimized, and existing native vegetation should be retained (if possible) to maintain riparian cover for fish and wildlife. Disturbed areas should be revegetated with native grass and tree species as soon as the project is completed. Ground disturbance should be limited to what will be stabilized quickly,preferably by the end of the workday. Natural fiber matting (coir) should be used for erosion control as synthetic netting can trap animals and persist in the environment beyond its intended purpose. Stream Channel and Bank Restoration A natural, stable stream system is one that is able to transport a wide range of flows and associated sediment bed load while maintaining channel features and neither degrading nor aggrading. Alterations to the dimension,pattern, or profile of the stream channel as well as changes to streambank vegetation, floodplains, hydrology, or sediment input can significantly alter this equilibrium. 2 We offer the following recommendations for the Applicant's consideration: 1. Streambanks with deep-rooted woody vegetation are the most stable, and stream restoration efforts should incorporate the use of native vegetation adapted to the site conditions. Live dormant stakes may be used to reestablish root structure in riparian areas. In areas where banks are severely undercut, high, and steep, whole-tree revetment or rock may be used as a stabilization treatment(small rock, gravel, sand, and dirt are not recommended due to their erosive nature), and it should not extend above the bank-full elevation(the elevation of the channel where the natural floodplain begins). Deep-rooting woody vegetation should be established along banks where any channel work is accomplished. Tree and shrub plantings should be spaced at intervals no greater than 10 feet along banks. Vegetated riparian zone widths should be as wide as practical but should extend at least 30 feet from the stream channel. 2. Only the absolute minimum amount of work should be done within stream channels to accomplish necessary reconstruction. Restoration plans should account for the constraints of the site and the opportunities to improve stream pattern, dimension, and profile with minimal disturbance. 3. Reconstruction work should follow natural channel design methodologies that are based on the bank-full, or channel-forming, stage of the stream. Bank-full stage maintains the natural channel dimensions and transports the bulk of sediment over time. Natural channel conditions should be identified using a reference reach (nearby stream reaches that exemplify restoration goals). Restoration design should match the pattern, dimension, and profile of the reference reach to ensure the project's success. 4. All work in or adjacent to stream waters should be conducted in a dry work area to the extent possible. Sandbags, cofferdams, bladder dams, or other diversion structures should be used to prevent excavation in flowing water. These diversion structures should be removed as soon as the work area is stable. 5. Equipment should not be operated in the stream unless absolutely necessary. Machinery should be operated from the banks in a fashion that minimizes disturbance to woody vegetation. Equipment should be: (a)washed to remove any contaminant residue prior to project construction, (b) in good working order, and (c) checked to ensure there are no leaks of potential contaminants (such as oil or other lubricants)prior to and during construction. 6. Adequate measures to control sediment and erosion must be implemented prior to any ground-disturbing activities in order to minimize effects on downstream aquatic resources. In North Carolina, non-cohesive and erosion-prone soils are most common in the felsic-crystalline terrains of the mountain and upper piedmont regions. Therefore, reconstruction work should be staged such that disturbed areas would be stabilized with seeding, mulch, and/or biodegradable (coir) erosion-control matting prior to the end of each workday. Matting should be secured in place with staples; stakes; or, wherever possible, live stakes of native trees. If rain is expected prior to temporary seed 3 establishment, additional measures should be implemented to protect water quality along slopes and overburden stockpiles (for example, stockpiles may be covered with plastic or other geotextile material and surrounded with silt fencing). The Service appreciates the opportunity to provide these comments. Please contact Mr. Byron Hamstead of our staff at Byron_Hamstead@fws.gov, if you have any questions. In any future correspondence concerning this project,please reference our Log Number 4-2-20-421. Sincerely, Digitally signed by JANET JANET M I Z Z I MIZZI Date:2020.09.09 13:36:00 -04'00' Janet Mizzi Field Supervisor 4 Appendix H - Site Photographs WLS Catawba 01 Umbrella Mitigation Bank Starker Mitigation Site STARKER STREAM RESTORATION SITE AUGUST 2019 CATAWBA COUNTY, NORTH CAROLINA REACH S 1 00(NORTH OF 1-40,ABOVE CROSSING) Rit.. . „. - .-s..... .1%.•(.4.tft.P'y1A:44,0".:',".-,.:`il,1'....,.,.'*-1.„::.1.14-41,0:_.N.it.-4,...4,,,'4.,r..',',,,'.•..-1•--;:.•v'.44-..:,1:,,—,',.f,..--."i..A,;.,„'4.,..„-l.,,-,-..-.' .„..1•.„:.4,,0'',..'-.\,'.:, Ia .iq Y'• y d P ,4..:. R rYc tee• i -_ " V � , P -ram . i - y • : .:';. a ri S 1 00- FACING UPSTREAM— DEBRIS PILED IN S 100—FACING UPSTREAM—CATTLE ALONG GULLEY, CATTLE HAVE ACCESS TO STREAM ERODING STREAMBANKS _ u�, ''- -• i f.:y.� � yew • -r ' 7. _� 1e� n�� •,em AI i ' �,�e,'"rt.e S - & �� n !4 ° •l- _ ; ::: � . e� S 100— FACING DOWNSTREAM—STEEP, S 1 OO— FACING DOWNSTREAM— INCREASED VERTICAL STREAMBANKS AND OVERWIDE BANK EROSION DUE TO CATTLE IMPACTS CHANNEL APPENDIX H 1 STARKER STREAM RESTORATION SITE AUGUST 2019 CATAWBA COUNTY, NORTH CAROLINA s • A` :-• ' •11 , . _, abr r -I l �N J .rf -,y Ft �.A. F hex ,{_ C • Gd7 ; ,C � d-l.J H. m�A S 1 00— FACING UPSTREAM -ERODING S 1 00- FACING UPSTREAM- CROSSING NORTH OF STREAMBANKS AND FINE SEDIMENT IN CHANNEL 140, RIPARIAN WETLAND USED AS A WALLOW AREA FOR CATTLE REACH S 102 �Y' r 6 '.....),•,*;.,a,e1,.'2. -:4":..; '-:•_,,k - •".4..4.';'4&f.: •-:-.!;:7:;:l..&'..-C:EF..-30•'-''''-.A=.4, -'.':'-.; '''-'-' 7..,'..':r.:.:1 '4,-;-.C4..;•' ''*:44i-1.:- . ,:-----..,;1..-4'' .. -.' j' 'er''''.1 • • " r am , ' i.;:'9 "i � ,r '.-%;.,. j�► j' •1 , "� ..,N ' '/ . 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Faa\ ,,,:,--.....Ai:.4.:.... .1A,,t; A:, ..-1 .;,-..,, -t-,:k.,.... . • ., • ' m h• w 6 m' fi'cr4 rr'` `! r .5 a � �zz�" ,,,g f �...�x�+ ' may; + � 4,G.�.: = rw hA� ,'•.�u, l'.•:.7r� ..v . �2 'Yvp 1. ..x:.tom. r.I..c'9:,-' x:�.: ' ..?:-�' _ > S 1 OO- FACING UPSTREAM — PERCHED S 1 OO - FACING UPSTREAM — ERODING CULVERT AT CROSSING STREAMBANKS APPENDIX H 3 STARKER STREAM RESTORATION SITE AUGUST 2019 CATAWBA COUNTY, NORTH CAROLINA 41 ptf..11 - x �_ , jT- " - " - .ma-:y4IP IC isir S 1 00- FACING UPSTREAM -OVERWIDE S 1 00-FACING UPSTREAM- ERODING CHANNEL, FINE SEDIMENT ACCUMULATING IN STREAM1BANKS, FINE SEDIMENT ACCUMULATING IN CHANNEL CHANNEL „� F, nik . ms w .' �.`� .':� ma -� . • Q :.. Z- , r , r v ,10, .c.4.--,._. :,,..,.....,, ..":`,.,-',•,•_ l„, ",'''','•:.:','..,- . '' ''';`•:?: :.-.'•;:'::...-:',:-. ..,::---.4 •''''.-•:':-' ,.',': --.''',''.".'l.:4‘.."-.!..:r- '':.:,,..:, ' ! "4. . ....:. 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Q , ,1_441tog 1- a _ a te' -;. ,,„: ....4sit„..'.A -7'444 -77;.,. , :,,,'''..-!-.41,,,v..--__ - .:,,,-,;-.....,"_-,:.-:.,-;,•. ,,,,K,,,,-, . - —7 :,..,,,,-.7,... ,;::„it„-.= ,-,..,,..:-',....- --:f..:-.:_..,_,..... - .,:- �'.,� ✓ fit: - . •7 V' . '`.. '- - 7- .,...!',':-.V .ffirilik: a • s, �r;� ,s: -•"�:` ,�..y a.:. ,`. 'do-?,�, - '� ..� ax 'z•. S200— FACING UPSTREAM —ARMORED S200 — FACING DOWNSTREAM STEEP CULVERT AT CROSSING STREAMBANKS, CATTLE IMPACTS APPENDIX H 1 2 STARKER STREAM RESTORATION SITE AUGUST 2019 CATAWBA COUNTY, NORTH CAROLINA - fig„.., ' „-•-!,:"tr, -"--"_P--;""-.•,t-•-...,-..,-40,,,-4v,t-;.s.4' L'4•,.. . ''.--,',.:-; ::-.•*11,„.0.zt-44-1,tif,-,1,-,,.);::".- -.-"..._ ..--- -...•;.-11 ''.„.,Sr.---. #. - � -� .:.i ., �� r x sa .r - eT - r 4 K ,., m '3 '„.. `,. ..,. -• - .ems s f r''S �f,_'A,,. - ` i'-E"'d `-, S200— FACING DOWNSTREAM-- DEBRIS AND S200— FACING DOWNSTREAM-STEEP FINE SEDIMENT IN STREAM STREAMBANKS, CATTLE IMPACTS zri- , k� F 1. psi c �G xn p ik "P , �� J 6 J '� S200— FACING DOWNSTREAM —FENCE LINE, S200— FACING DOWNSTREAM — ERODING CATTLE HAVE ACCESS TO UPSTREAM SECTION OF STREAMBANKS, DOMINANT INVASIVE SPECIES REACH APPENDIX H 1 3 STARKER STREAM RESTORATION SITE AUGUST 2019 CATAWBA COUNTY, NORTH CAROLINA • � 1 �� :.., 1 4 A p k_ _ � k �•� • gp �,f-� H 9 �+�j4 ,!�'44 .1 ' �' � e + Oak, fir' • Wit « S200— FACING DOWNSTREAM— FENCE LINE, S200— FACING DOWNSTREAM— ERODING CATTLE HAVE ACCESS TO UPSTREAM SECTION OF STREAMBANKS, DOMINANT INVASIVE SPECIES REACH it ''r : *,A 11l ' = - , e FA ',W � f '*, P R9a1l � � �a ' t i T Arj y Y V 1Vst.-2 / - - r� -"`y Via '' ' ';. - d 9 tq P: `� ti `4 S200— FACING DOWNSTREAM—BANK S200— FACING DOWNSTREAM—BANK EROSION, ACCUMULATION OF FINE SEDIMENT EROSION, ACCUMULATION OF FINE SEDIMENT APPENDIX H 14 STARKER STREAM RESTORATION SITE AUGUST 2019 CATAWBA COUNTY, NORTH CAROLINA • 6 # q�aS•e. " yg'• c ic �i 4ni tom # M '.' J ' I ' T�fi • '' r. 44: . S200— FACING UPSTREAM— BANK EROSION S200— FACING DOWNSTREAM — BANK EROSION �, r- =� � I, • • ...jqi0Okw. ..1* 41,,.; , 1F7'.' , • . .. , . . . . .w� is ..;,c :Ss ... S200— FACING UPSTREAM — BANK EROSION S200 — FACING DOWNSTREAM — BANK EROSION APPENDIX H 1 5