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Home My WebLink About20180198 Ver 1_Year 0 Monitoring Report_2021_20210729MONITORING YEAR 0 ANNUAL REPORT FINAL SASSARIXA SWAMP MITIGATION SITE Johnston County, NC Neuse River Basin HUC 03020201 DMS Project No. 100040 July 2021 DMS Contract No. 7425 DMS RFP No. 16-007279 USACE Action ID No. 2018-00432 DWR Project No. 2018-0198 Data Collection Dates: October -March 2021 PREPARED FOR: NC Department of Environmental Quality Division of Mitigation Services 1652 Mail Service Center Raleigh, NC 27699-1652 W WILDLANDS ENGiNEE RINO July 22, 2021 Mr. Jeremiah Dow Project Manager NCDEQ- Division of Mitigation Services 217 West Jones Street, Suite 3000A Raleigh, NC 27603 Subject: Comment -Response Letter Task 6 As -Built Baseline Report Sassarixa Swamp Mitigation Site, DMS ID# 100040 Neuse River Basin — CU# 03020201, Johnston County, North Carolina Contract No. 7425 Dear Mr. Dow: On July 19, 2021, Wildlands Engineering received comments from the North Carolina Division of Mitigation Services (DMS) regarding the Draft As -Built Baseline Report dated June 29, 2021. The following letter documents DMS feedback and Wildlands' corresponding responses and revisions to the As -Built Report. Table 2 — Recommend addition of years that monitoring will be conducted (1, 2, 3, 5, & 7) in the Measurement column for veg plots and cross -sections. Response: Monitoring years are added to the Measurement column for veg plots and cross - sections. Appendix C — Recommend including the geomorphology metrics generate with the cross-section tool with each cross-section. Response: Geomorphology metrics are now included with each cross-section. 3. The following spatial data issues were identified, please review and revise: a. Sassarixa R1 (Ell) and T513 (Ell) in the as —built —alignments shapefile have portions of their reach outside of the easement. Please remove these external segments and adjust the lengths in the asset table. b. If available, please include features that characterize the existing stream. Response: Segments outside of the easement on Sassarixa R1 and T58 have been removed. 4. Please note that the project was contracted for 1,228,537.20 BMUs but is currently on track to deliver 1,080,282.590 BMUs which is 148,254.610 BMUs below contact. This will be reconciled with Task 6 payment. Subsequent payments will be unchanged. Please see the included table on the next page for details. Response: This has been noted. Wildlands Engineering, Inc. (P) 919.851.9986 • 312 West Millbrook Road, Suite 225 • Raleigh, NC 27609 Thank you for your review and providing comments on this submittal. If you have any further questions, please contact me at (919) 851-9986, or by email (jlorch@wildlandseng.com). Sincerely, Jason Lorch, Monitoring Coordinator Page 2 EXECUTIVE SUMMARY Wildlands Engineering, Inc. (Wildlands) implemented a full delivery project at the Sassarixa Swamp Mitigation Site (Site) for the North Carolina Department of Environmental Quality Division of Mitigation Services (DMS) to restore a total of 16,141 linear feet of perennial and intermittent streams in Johnston County, NC. The Site will generate 8,618.650 stream credits. The Site is located approximately six miles southwest of Smithfield and five miles north of Four Oaks in the Neuse River Basin 8-Digit Hydrologic Unit Code (HUC) 03020201. Before construction, the Site was a mix of active pastures, fields, and woodlands along Sassarixa Creek and thirteen unnamed tributaries that drain into the Holts Lake watershed, which is part of the Neuse River Basin. The project includes several adjacent properties that have been owned and operated as a livestock farm by a single family since 1850, where livestock were continually rotated through all fields (with access to their associated streams). The western portion of the project includes Sassarixa Creek and seven unnamed tributaries to Sassarixa Creek (T1, T1A, T1B, TIC, T1D, T2, and T3). The eastern portion of the site contains six unnamed tributaries to Black Creek (T4, T5, TSA, TSB, TSC, and T6). The Site is located within a new Neuse River Targeted Local Watershed (TLW) not presented in the 2010 Neuse River Basin Restoration Priorities (RBRP) (Breeding, 2010). The TLW was added in the 2015 Neuse 01 CU Update (DWR, 2015). The Site is located in the Neuse River Basin HUC 03020201130030 and NC Division of Water Resources (DWR) Subbasin 03-04-04. The project involves the restoration, enhancement, and preservation of Sassarixa Creek and seven unnamed tributaries to Sassarixa Creek, along with six unnamed tributaries to Black Creek. The downstream drainage area of the Site is 5,024 acres. The 65.06 acre Site is protected with a permanent conservation easement. The project goals established in the Mitigation Plan (Wildlands, 2019) were completed with careful consideration of goals and objectives described in the Neuse River RBRP. The project goals include: • Improve the stability of stream channels; • Improve instream habitat; • Reconnect channels with floodplains and to allow a natural flooding regime; • Restore and enhance native floodplain and streambank vegetation; and • Permanently protect the Site from harmful land uses. Site construction was completed in January 2021, and as -built surveys were completed in February 2021, while planting was completed in March 2021. Monitoring Year 0 (MYO) assessments and site visits were completed between October and March 2021. Overall, the Site has met the required vegetation and stream success criteria for MYO. All eleven vegetation monitoring plots met the interim success criteria with an average stem density of 574 planted stems per acre. Prior to construction, intensive vegetation management was completed along Sassarixa Creek, T4, and T5 to control invasive species. Those areas will continued to be assessed throughout the monitoring years to determine if more action is needed. All restored streams are stable and functioning as designed. Several large rain events washed out Old Olive Road creating sediment plumes to move through the newly constructed streams. Due to timing of as -built survey, the longitudinal profile on some sections of the channels indicates channel aggradation. However, the sediment has moved through the system and no action is deemed necessary. Hydrologic data will be collected and reported during MY1. Sassarixa Swamp Mitigation Site Monitoring Year 0 Annual Report - Final SASSARIXA SWAMP MITIGATION SITE Monitoring Year 0 Annual Report TABLE OF CONTENTS Section 1: PROJECT OVERVIEW.......................................................................................................1-1 1.1 Project Quantities and Credits...................................................................................................1-1 1.2 Project Goals and Objectives.....................................................................................................1-2 1.3 Project Attributes.......................................................................................................................1-3 35.472153,-78.436000..........................................................................................................................1-4 Section 2: As -Built Condition (Baseline)..........................................................................................2-1 2.1 As-Built/Record Drawings..........................................................................................................2-1 2.1.1 Sassarixa Creek Reach 1.....................................................................................................2-1 2.1.2 Sassarixa Creek Reach 2.....................................................................................................2-1 2.1.3 Sassarixa Creek Reach 3.....................................................................................................2-1 2.1.4 T1 Reach 1..........................................................................................................................2-1 2.1.5 T1 Reach 2..........................................................................................................................2-1 2.1.6 T1 Reach 3..........................................................................................................................2-1 2.1.7 T1 Reach 4..........................................................................................................................2-1 2.1.8 T1A..................................................................................................................................... 2-1 2.1.9 T1B.....................................................................................................................................2-1 2.1.10 TIC .....................................................................................................................................2-1 2.1.11 T1D.....................................................................................................................................2-1 2.1.12 T2........................................................................................................................................2-1 2.1.13 T3 Reach 1..........................................................................................................................2-2 2.1.14 T3 Reach 2..........................................................................................................................2-2 2.1.15 T4 Reach 1..........................................................................................................................2-2 2.1.16 T4 Reach 2..........................................................................................................................2-2 2.1.17 T4 Reach 3..........................................................................................................................2-2 2.1.18 T5 Reach 1..........................................................................................................................2-2 2.1.19 T5 Reach 2..........................................................................................................................2-2 2.1.20 T5 Reach 3..........................................................................................................................2-3 2.1.21 T5A..................................................................................................................................... 2-3 2.1.22 T513 .....................................................................................................................................2-3 2.1.23 T5C.....................................................................................................................................2-3 2.1.24 T6 Reach 1..........................................................................................................................2-3 2.1.25 T6 Reach 2..........................................................................................................................2-3 Section 3: Monitoring Year 0 Data Assessment...............................................................................3-1 3.1 Vegetative Assessment..............................................................................................................3-1 3.2 Vegetation Areas of Concern.....................................................................................................3-1 3.3 Stream Assessment....................................................................................................................3-1 3.4 Stream Areas of Concern...........................................................................................................3-1 3.5 Hydrology Assessment...............................................................................................................3-1 3.6 Wetland Assessment..................................................................................................................3-1 3.7 Adaptive Management Plan......................................................................................................3-2 3.8 Monitoring Year 1 Summary......................................................................................................3-2 Section 4: METHODOLOGY.............................................................................................................4-1 Section 5: REFERENCES...................................................................................................................5-1 Sassarixa Swamp Mitigation Site Monitoring Year 0 Annual Report - Final ii TABLES Table 1: Project Quantities and Credits.....................................................................................................1-1 Table 2: Goals, Performance Criteria, and Functional Improvements......................................................1-2 Table 3: Project Attributes.........................................................................................................................1-4 FIGURES Figure la-c Current Condition Plan View APPENDICES Appendix A Visual Assessment Data Table 4a-c Visual Stream Morphology Stability Assessment Table Table 5 Vegetation Condition Assessment Table Stream Photographs Vegetation Plot Photographs Appendix B Vegetation Plot Data Table 6 Vegetation Plot Data Table 7 Vegetation Performance Standards Summary Table Appendix C Stream Geomorphology Data Cross -Section Plots Longitudinal Profile Table 8a-c Baseline Stream Data Summary Table 9 Cross -Section Morphology Monitoring Summary Appendix D Project Timeline and Contact Info Table 10 Project Activity and Reporting History Table 11 Project Contact Table Appendix E Record Drawings Appendix F Buffer Baseline Monitoring Report Sassarixa Swamp Mitigation Site Monitoring Year 0 Annual Report - Final Section 1: PROJECT OVERVIEW The Sassarixa Swamp Mitigation Site (Site) is located in Johnston County, approximately six miles southwest of Smithfield and five miles north of Four Oaks. The Site drains to Holts Lake, which drains to the Neuse River. Holts Lake is a recreational lake classified as a Nutrient Sensitive Water (NSW) and the Neuse River is a water supply for the City of Goldsboro. The Site is within Hydrologic Unit Code (HUC) 03020201130030, Subbasin 03-04-04, and is located within the Neuse River Targeted Local Watershed identified in the 2015 Neuse 01 CU Update (DWR, 2015). The project watershed consists primarily of agricultural and wooded land. The drainage area for the Site is 5,024 acres (7.85 square miles). 1.1 Project Quantities and Credits The Site is located on 10 parcels under 7 different landowners and a conservation easement was recorded on 65.06 acres. Mitigation work within the Site included restoration, enhancement II, and preservation of 16,141 linear feet of perennial and intermittent stream channels. The project is expected to provide 8,618.650 stream credits at closeout. Table 1: Project Quantities and Credits ••• • • Mitigation Mitigation Project As -Built Mitigation Restoration plan Ratio Credits Comments Segment Footage Category Level Footage (X:1) St rea m Sassarixa Ford Crossing, Fencing Out 2,631 2,656 Warm Ell 2.5 1,052.400 Creek R1-R3 Livestock Bank Stabilization, Fencing T1 R1 570 570 Warm Ell 2.5 228.000 Out Livestock Full Channel Restoration, T1 R2 824 810 Warm R 1.0 824.000 Fencing Out Livestock Full Channel Restoration, T1 R3 509 507 Warm R 1.0 509.000 Fencing Out Livestock T1 R4 252 252 Warm Ell 2.5 100.800 Fencing Out Livestock T1A 358 356 Warm Ell 2.5 143.200 Fencing Out Livestock T1B 275 276 Warm Ell 2.5 110.000 Fencing Out Livestock T1C 307 307 Warm Ell 2.5 122.800 Fencing Out Livestock Pond Removal, Fencing Out T2 1,010 1,006 Warm R 1.0 1,010.000 Livestock Full Channel Restoration, T3 R1 1,053 1,041 Warm R 1.0 1,053.000 Fencing Out Livestock T3 R2 61 61 Warm P 10.0 6.100 Conservation Easement Ford Crossing, Fencing Out T4 R1 206 206 Warm Ell 2.5 82.400 Livestock Bank Stabilization, Fencing T4 R2 398 399 Warm Ell 2.5 159.200 Out Livestock Sassarixa Swamp Mitigation Site Monitoring Year 0 Annual Report -Final 1-1 Culvert Crossing, T4 R3 1,509 1,510 Warm P 10.0 150.900 Conservation Easement T5 R1 670 642 Warm Ell 2.5 268.000 Bank Stabilization Full Channel Restoration, T5 R2 885 874 Warm R 1.0 885.000 Fencing Out Livestock Culvert Crossing, Bank T5 R3 965 961 Warm Ell 4.0 241.250 Stabilization Bank Stabilization, Fencing T5A 1,026 1,018 Warm Ell 2.5 410.400 Out Livestock T513 580 580 Warm Ell 2.5 232.000 Fencing Out Livestock T5C1 588 588 Warm Ell 2.5 235.200 Fencing Out Livestock Full Channel Restoration, T6 R1 381 383 Warm R 1.0 381.000 Fencing Out Livestock Culvert Crossing, Bank T6 R2 1,035 1,037 Warm Ell 2.5 414.000 Stabilization. Fencing Out Livestock Total: 8,618.650 1. T5C Credited using the Headwater Stream guidance method of the valley length. Restoration Level Stream Warm Cool Cold Restoration 4,662.000 Enhancement I -- Enhancement II 3,799.650 Preservation 157.000 Totals 8,618.650 Total Stream Credit 8,618.650 1.2 Project Goals and Objectives The project is intended to provide numerous ecological benefits. Table 3 below describes expected outcomes to water quality and ecological processes and provides project goals and objectives. Table 2: Goals, Performance Criteria, and Functional Improvements Goal Objective/ Treatment Likely Functional Uplift Performance Criteria Measurement Cumulative Monitoring Results Cross-section Construct stream ER stays over 2.2 monitoring will be Improve the channels that will Reduce sediment and BHR below assessed during inputs from bank with visual stability of maintain stable MY1, MY2, MY3, No deviations from stream cross -sections, erosion. Reduce ass assessments ass MY5, and MY7 and design. shear stress on showing channels. patterns, and channel boundary. progression visual inspections profiles overtime. will be assessed towards stability. annually. Sassarixa Swamp Mitigation Site Monitoring Year 0 Annual Report - Final 1-2 Objective/ Likely Functional Performance Cumulative Goal Treatment Uplift Criteria Measurement Monitoring Results Install habitat Increase and features such as diversify available constructed riffles, habitats for lunker logs, and There is no macroinvertebrates, Improve brush toes into required instream restored/enhanced fish, and performance N/A N/A amphibians leading habitat. streams. Add standard for this colonization and woody materials to metric. channel beds. increase in i n biodiversity over Construct pools of varying depth. time. Four bankfull Reconnect Reconstruct stream channels channels with events in with designed bankfull Allow more separate years Crest gauges within monitoring and/or pressure floodplains dimensions and frequent flood and to allow depth based on flows to disperse on period. transducers Reported in MY1. 30 consecutive recording flow a natural reference reach the floodplain. days of flow for elevations. flooding data. Remove pond regime. above T2. intermittent channel. Reduce sediment One hundred inputs from bank Restore and Plant native tree erosion and runoff. Survival rate of square meter vegetation plots All 11 vegetation enhance and understory Increase nutrient 320 stems per are placed on 2/o plots have a native species in riparian cycling and storage acre at MY3, 260 of the planted planted stem floodplain zones and plant in floodplain. planted stems per area of the Site density greater and native shrub and Provide riparian acre at MYS, and and monitored than 320 stems per streambank herbaceous species habitat. Add a 210 stems per vegetation. on streambanks. source of LWD and acre at MY7. during MY1, acre. MY3, MYS, and organic material to MY7. stream. Protect Site from Visually inspect Permanently Establish encroachment on the perimeter of protect the prevent conservation the riparian corridor the Site to ensure No easement project Site easements on the and direct impact to easement no easement encroachments. from harmful encroachment. Site. streams and encroachment is uses. wetlands. occurring. 1.3 Project Attributes The project includes several adjacent properties that have been owned and operated as a livestock farm by a single family since 1850, where livestock were continually rotated through all fields with access to the project streams. Based on aerial photos from 1950 to 2012 onsite streams have existed in their approximate locations with very little change to riparian buffer extents since 1950. Two alterations to the Site visible from historical aerial photography were the addition of the pond on T2 between 1964 and 1973, and the addition of the large pond below TSA, TSB, and T5C between 1950 and 1961. According to the landowners, in the 1960's and early 1970's a hog yard was located at the upstream end of T4 and T5, where the streams were diverted to make a hog wallow area. The hogs were moved to a hog house in the early 1970's, however goats, horses, and cattle had continuous access to this portion of the site until Hurricane Matthew struck in September 2016. The floods from the storm destroyed much Sassarixa Swamp Mitigation Site Monitoring Year 0 Annual Report - Final 1-3 of the fencing around T4 and T5 and livestock have been rotated in other fields since that time while fencing was being repaired. Other portions of the site had not seen significant changes in land use with livestock or crop rotations from existing activities. Table 4 below and Table 9a-c in Appendix C present additional information on pre -restoration conditions. Table 3: Project Attributes Project Name Sassarixa Swamp County Johnston County Mitigation Site Project Area (acres) 65.06 Project Coordinates 35.472153,-78.436000 Physiographic Province Rolling Coastal Plain River Basin Neuse River USGS HUC 8-digit 03020201 USGS HUC 14-digit 03020201130030 66% agriculture, 27% DWR Sub -basin 03-04-04 Land Use Classification forested, 7% developed Project Drainage Area (acres) 5,024 Percentage of Impervious Area 0.9% Parameters T1 T2 T3 T5 T6 Pre -project length (feet) 2,202 348 1,098 2,544 1,342 Post -project (feet) 2,155 1,010 1,114 2,553 1,451 Valley confinement (Confined, moderately confined, unconfined) Unconfined Moderately Confined to Unconfined Drainage area (acres) 45 25 26 41.25 38.25 Perennial, Intermittent, Ephemeral Intermittent Perennial DWR Water Quality Classification C, NSW B, NSW Dominant Stream Classification (existing) G5 G5 B5/G5 E5 G5/E5 Dominant Stream Classification (proposed) C5b C5b C5b E5 C5b Dominant Evolutionary class (Simon) if applicable Stage III Stage IV Stage III Stage IV Parameters Applicable? Resolved? Supporting Documentation Water of the United States - Section 404 Yes Yes USACE Nationwide Permit No. 27 and DWQ 401 Water Quality Certification No. 4134. Water of the United States -Section 401 Yes Yes Endangered Species Act Yes Yes Categorical Exclusion in Mitigation Plan (Wildlands, 2019) Historic Preservation Act Yes Yes Coastal Zone Management Act (CZMA or CAMA) N/A N/A N/A Essential Fisheries Habitat N/A N/A N/A Sassarixa Swamp Mitigation Site Monitoring Year 0 Annual Report - Final 1-4 Section 2: As -Built Condition (Baseline) The Site construction and as -built surveys were completed in February 2021. The survey included developing an as -built topographic surface; as well as, surveying the as -built channel centerlines, top of banks, structures, and cross -sections. -.1 As-Built/Record Drawings A sealed half-size set of record drawings are in Appendix E which includes the post -construction survey, alignments, structures, and monitoring features. No significant field adjustments were made during construction that differ from the design plans. Minimal adjustments were made during construction, where needed, based on field evaluations and are listed below. 2.1.1 Sassarixa Creek Reach 1 • No deviations from design. 2.1.2 Sassarixa Creek Reach 2 • STA 119+34 - 119+66 — Sassarixa Creek was in backwaters during winter baseflow. T2 and Sassarixa Creek were stable and did not require construction of structures. 2.1.3 Sassarixa Creek Reach 3 • No deviations from design. 2.1.4 T1 Reach 1 • STA 203+64 - 203+72 — constructed riffle not installed because existing riffle material adequate and stable. 2.1.5 T1 Reach 2 • STA 205+96 — angled log sill not installed due to decrease tail -of -riffle thalweg elevation. 2.1.6 T1 Reach 3 • No deviations from design. 2.1.7 T1 Reach 4 • STA 220+48 — channel is stable, log sill not needed. 2.1.8 T1A • No deviations from design. 2.1.9 TO • No deviations from design. 2.1.10 TIC • No deviations from design. 2.1.11 T1D • STA 280+15 — log sill added for grade control. 2.1.12 T2 • BMP created to capture runoff from surrounding fields and slow water before entering stream; Sassarixa Swamp Mitigation Site Monitoring Year 0 Annual Report - Final 2-1 • STA 306+26 - 306+31, STA 306+61 - 306+66, STA 306+72 - 306+75, STA 306+88 - 306+94, STA 307+00-307+04, STA 307+64 - 307+68, STA 307+89 - 307+95, and STA 307+99 - 308+05 — rock material was added behind log drops to provide additional roughness to channel during high flow events and stabilize log drops; • STA 308+08 - 308+11, STA 308+22 - 308+26, STA 308+32 - 308+36, STA 308+46 - 308+48, STA 308+53 - 308+56, STA 308+68 - 308+74 and STA 308+78 - 308+84 — rock material was added behind log drops to provide additional roughness to channel during high flow events and stabilize log drops; • STA 309+39 - 309+88 — Sassarixa Creek was in backwaters during winter baseflow. T2 and Sassarixa Creek were stable and did not require construction of structures; and • STA 309+39 - 309+77 — brushtoe was extended to maintain stability. 2.1.13 T3 Reach 1 • Log sills added to ditch above T3 stream; • Floodplain outlet added for overland flow; • STA 400+20, STA 400+44, and STA 400+67 — log sills were installed to prevent further erosion and headcuts after pre -construction storms caused erosion; • STA 402+15 - 402+22, STA 402+59 - 402+73 and STA 403+05 - 403+15 — brushtoe was not needed in these areas because the roots of trees we saved served to stabilize the banks; and • Log sill was installed on wetland outlet to prevent further erosion caused by pre -construction storms. 2.1.14 T3 Reach 2 • No deviations from design. 2.1.15 T4 Reach 1 • Channel is stable and armoring was not required along culvert outlet. 2.1.16 T4 Reach 2 • No deviations from design. 2.1.17 T4 Reach 3 • No deviations from design. 2.1.18 T5 Reach 1 • NDCOT replaced culvert, regraded road, and stabilized outlet during construction period. This armoring was no longer needed; • STA 602+35 - 602+56 — brushtoe added to stabilize creek after major storm event; • STA 603+00 - 603+13 — streambank graded to stabilize creek after major storm event; • STA 603+27 - 605+81— due to storm damage, oxbow has been cut through, a native material riffle has been added, streambanks have been graded as needed and oxbow filled in; and • STA 604+02 - STA 604+30 and STA 604+50 - STA 604+54 — brushtoe added for stabilization. 2.1.19 T5 Reach 2 • STA 607+25 - 607+42 — brushtoe not needed due to additional upstream stabilization work; • STA 611+25 - outlet added for concentrated flow; and • STA 611+41 - 611+52 — brushtoe added to stabilize creek after major storm event. Sassarixa Swamp Mitigation Site Monitoring Year 0 Annual Report - Final 2-2 2.1.20 T5 Reach 3 • STA 620+18 - 620+64 — due to storm damage brushtoe added for stability. 2.1.21 T5A • STA 626+29 — log sills added to stabilize newly formed headcut; • STA 626+51— logs added to stabilize newly formed headcut; and • STA 629+86 - STA 630+03 — riffle was not needed to stabilize existing channel. 2.1.22 T5B • Culvert protection has been installed. 2.1.23 T5C • No deviations from design. 2.1.24 T6 Reach 1 • No deviations from design. 2.1.25 T6 Reach 2 • No deviations from design. Sassarixa Swamp Mitigation Site Monitoring Year 0 Annual Report - Final 2-3 Section 3: Monitoring Year 0 Data Assessment Annual monitoring and site visits were conducted during MYO to assess the condition of the project. The vegetation and stream success criteria for the Site follow the approved success criteria presented in the Mitigation Plan (Wildlands, 2019). Performance criteria for vegetation, stream, and hydrologic assessment are located in Section 1.2 Table 3: Goals, Performance Criteria, and Functional Improvements. 3.1 Vegetative Assessment The MY1 vegetative survey was completed in March 2021. Vegetation monitoring resulted in a stem density range of 445 to 648 planted stems per acre which is well above the interim requirement of 320 stems per acre required at MY3. Average stem density was 574 planted stems per acre. All 11 vegetation plots met the interim success criteria and are on track to meet the final success criteria required for MY7. Refer to Appendix A for Vegetation Plot Photographs and the Vegetation Condition Assessment Table and Appendix B for Vegetation Plot Data. '.2 Vegetation Areas of Concern Vegetation management and herbicide applications were implemented prior to construction along existing forested areas to prevent the spread of invasive species that could compete with planted native species. Dense Chinese privet (Ligustrum sinense) and trifoliate orange (Citrus trifoliate) was removed along Sassarixa Creek. Sporadic trees of Bradford pear (Pyrus calleryana), tree -of -heaven (Ailanthus altissima), and princess tree (Paulownia tomentosa) were removed along T4 and T5. Invasive species will continue to be monitored and controlled as necessary. 4.3 Stream Assessment Morphological surveys for MYO were conducted from October 2020 to March 2021. All streams within the Site are stable and functioning as designed. All 10 cross -sections at the Site show little to no change in the bankfull area and width -to -depth ratio, and bank height ratios are less than 1.2. Refer to Appendix A for the Visual Stream Morphology Stability Assessment Table and Stream Photographs. Refer to Appendix C for Stream Geomorphology Data. Stream Areas of Concern During the beginning of construction, in September 2020, a nine -inch rain event washed out major portions of Old Olive Road, an NC Department of Transportation (NCDOT) road. Quickly after the road washed out, NCDOT repaired Old Olive Road with gravel. As construction progressed, another major rain event washed out lose sediment from the road, causing sediment plumes to fill in sections of T1, T3, and T5. After the second storm event, NCDOT did additional stabilization along the roadside ditches to prevent further road damage. With each rain event after the road repair, sediment plumes began pushing through the channels, eventually working its way out of the system. With the timing of as -built survey and the sediment making its way through the system, some of the longitudinal profile indicates channel aggradation. After multiple site walks, Wildlands assessed exposed riffled beds indicating that the sediment has made its way through the Site. No action is needed at this time. '.5 Hydrology Assessment Hydrologic data will be collected and reported during MY1. 3.6 Wetland Assessment One groundwater gauge was installed and monitored within an existing wetland zone along T3 at a location requested by North Carolina Division of Water Resources. The purpose of the gauge is to assess Sassarixa Swamp Mitigation Site Monitoring Year 0 Annual Report - Final 3-1 potential effects to wetland hydrology from the construction of the restored stream channel through this area. The results of this monitoring are not tied to a success criterion. Groundwater gauge data will be collected and reported during MYL 3.7 Adaptive Management Plan No adaptive management plans are needed at this time. '.8 Monitoring Year 1 Summary Overall, the Site looks good, is performing as intended, and is on track to meet success criteria. All vegetation plots are on track to exceed the MY3 interim requirement of 320 planted stems per acre, and all streams within the Site are stable and meeting project goals. Invasive species were control along Sassarixa Creek, T4, and T5 prior to construction and will continued to be assessed throughout the monitoring years. The sediment plumes from Old Olive Road have made their way through the Site and no action is required. Summary information and data related to the performance of various project and monitoring elements can be found in the tables and figures in the report appendices. All raw data supporting the tables and figures in the appendices are available from DMS upon request. Sassarixa Swamp Mitigation Site Monitoring Year 0 Annual Report - Final 3-2 Section 4: METHODOLOGY Geomorphic data was collected following the standards outlined in The Stream Channel Reference Site: An Illustrated Guide to Field Techniques (Harrelson et al., 1994) and in Stream Restoration: A Natural Channel Design Handbook (Doll et al., 2003). All Integrated Current Condition Mapping was recorded using a Trimble handheld GPS with sub -meter accuracy and processed using Pathfinder and ArcGIS. Crest gauges and pressure transducers were installed in riffle cross -sections and monitored throughout the year. Hydrologic monitoring instrument installation and monitoring methods are in accordance with the United States Army Corps of Engineers standards (USACE, 2003). Vegetation monitoring protocols followed the Carolina Vegetation Survey-EEP Level 2 Protocol (Lee et al., 2008). Sassarixa Swamp Mitigation Site Monitoring Year 0 Annual Report - Final 4-1 Section 5: REFERENCES Breeding, R. 2010. Neuse River Basin Restoration Priorities 2010. NCEEP, NC Doll, B.A., Grabow, G.L., Hall, K.A., Halley, J., Harman, W.A., Jennings, G.D., and Wise, D.E. 2003. Stream Restoration A Natural Channel Design Handbook. Harrelson, C.C., Rawlins, C.L., Potyondy, J.P. 1994. Stream Channel Reference Sites: An Illustrated Guide to Field Technique. Gen. Tech. Rep. RM-245. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station. 61 p. Lee, Michael T., Peet, Robert K., Steven D., Wentworth, Thomas R. 2006. CVS-EEP Protocol for Recording Vegetation Version 4.0. http://www.nceep.net/business/ monitoring/veg/datasheets.htm. Rosgen, D. L. 1994. A classification of natural rivers. Catena 22:169-199. Rosgen, D.L. 1996. Applied River Morphology. Pagosa Springs, CO: Wildland Hydrology Books. Rosgen, D.L. 1997. A Geomorphological Approach to Restoration of Incised Rivers. Proceedings of the Conference on Management of Landscapes Disturbed by Channel Incision. Center For Computational Hydroscience and Bioengineering, Oxford Campus, University of Mississippi, Pages 12-22. North Carolina Division of Water Resources (DWR). 2015. Neuse 01 CU Update. River Basin Restoration Priorities Transition Approach. United States Army Corps of Engineers. 2003. Stream Mitigation Guidelines. USACE, NCDENR-DWQ, USEPA, NCWRC. United States Geological Survey. 1998. North Carolina Geology. Wildlands Engineering, Inc. (2019). Sassarixa Swamp Mitigation Project Mitigation Plan. DMS, Raleigh, NC. Sassarixa Swamp Mitigation Site Monitoring Year 0 Annual Report - Final 5-1 o - V o 75; 0 CD l� 0� 4} �-_ j Conservation Easement Structures Internal Crossing Fencing Existing Wetlands A Cross Sections - Fixed Vegetation Plot CJ Gates Random Vegetation Plot Barotroll Stream Restoration Crest Gauge Stream Enhancement II Flow Gauge Stream Preservation Groundwater Well ■�I Not for Credit Photo Points Non -Project Streams QQ Reach Break ,LlA II ••••• As -Built Top of Bank � tt i tt t .tt 1_j37' -,r_ o _ w I L D L A N D s 0 200 400 Feet ENGINEERING Figure ia. Current Condition Plan View Sassarixa Swamp Mitigation Site DIMS Project No. 100040 Monitoring Year o - 2021 Johnston County, NC 1 P 11 1 IRV 3o v .a N Z E 0 i n O N 00 O O m vlb — a m o v O n 0 v Y g mZ > o o m c rn a Y Y o r o Ea.°, _ 0 Z Q 2 o v O u in u V C7 V a V O to C 3 c V1 0 I v a v E v 0 m 0 O O V E O U p v W W v oD v V p O V } �]JF IVV�r 00 - It �� Wit"_' - — " .:Y: ��'�`��\ � �•at "� .. y O O M O y; A Z Iu � w Qw •� s�Z. v � 0 It) APPENDIX A. Visual Assessment Data Table 4a. Visual Stream Morphology Stability Assessment Table Sassarixa Swamp Mitigation Site DMS Project No. 100040 Monitoring Year 0 - 2021 T1 R2 W Number Amount of Major Channel Category Metric Stable, Nu Unstable Performing u as Intended JAh L Footage iW Assessed Stream Length % Stable, Performing as nded 810 Assessed Bank Length 1,620 Surface Scour/ Bank lacking vegetative cover resulting simply from Bare Bank poor growth and/or surface scour. 0 100% Bank toe eroding to the extent that bank failure Bank Toe Erosion appears likely. Does NOT include undercuts that are 0 100% modest, appear sustainable and are providing habitat. Fluvial and geotechnical - rotational, slumping, Bank Failure 0 100% calving, or collapse. Totals: 0 100% Grade control structures exhibiting maintenance of Grade Control 0 0 N/A grade across the sill. Structure Bank erosion within the structures extent of Bank Protection 27 27 100% influence does not exceed 15%. T1 R3 Number Tota I Amount of Major Channel Category Metric Perfor ing ;Numjber Unstable as Inte ed Footage Assessed Stream Length % Stable, Performing as Intended 507 Assessed Bank Length 1,014 Surface Scour/ Bank lacking vegetative cover resulting simply from Bare Bank poor growth and/or surface scour. 0 100% Bank toe eroding to the extent that bank failure appears likely. Does NOT include undercuts that are Bank Toe Erosion 0 100% modest, appear sustainable and are providing habitat. Fluvial and geotechnical - rotational, slumping, Bank Failure 0 100% calving, or collapse. Totals: 0 100% Grade control structures exhibiting maintenance of Grade Control 0 0 N/A grade across the sill. Structure Bank erosion within the structures extent of Bank Protection 14 14 100% influence does not exceed 15%. Table 4a. Visual Stream Morphology Stability Assessment Table Sassarixa Swamp Mitigation Site DMS Project No. 100040 Monitoring Year 0 - 2021 T2 W Number Amount of Major Channel Category Metric Stable, Nu Unstable Performing u as Intended JAh L Footage is Assessed Stream Length % Stable, Performing as ntended 1,006 Assessed Bank Length 2,012 Surface Scour/ Bank lacking vegetative cover resulting simply from Bare Bank poor growth and/or surface scour. 0 100% Bank toe eroding to the extent that bank failure Bank Toe Erosion appears likely. Does NOT include undercuts that are 0 100% modest, appear sustainable and are providing habitat. Fluvial and geotechnical - rotational, slumping, Bank Failure 0 100% calving, or collapse. Totals: 0 100% Grade control structures exhibiting maintenance of Grade Control 34 34 100% grade across the sill. Structure Bank erosion within the structures extent of Bank Protection 18 18 100% influence does not exceed 15%. T3 R1 Number Tota I Amount of Major Channel Category Metric Perfor ing ;Numjber Unstable as Inte ed Footage Assessed Stream Length % Stable, Performing as Intended 1,041 Assessed Bank Length 2,082 Surface Scour/ Bank lacking vegetative cover resulting simply from Bare Bank poor growth and/or surface scour. 0 100% Bank toe eroding to the extent that bank failure appears likely. Does NOT include undercuts that are Bank Toe Erosion 0 100% modest, appear sustainable and are providing habitat. Fluvial and geotechnical - rotational, slumping, Bank Failure 0 100% calving, or collapse. Totals: 0 100% Grade control structures exhibiting maintenance of Grade Control 0 0 N/A grade across the sill. Structure Bank erosion within the structures extent of Bank Protection 30 30 100% influence does not exceed 15%. Table 4a. Visual Stream Morphology Stability Assessment Table Sassarixa Swamp Mitigation Site DMS Project No. 100040 Monitoring Year 0 - 2021 TS R2 W Number Amount of Major Channel Category Metric Stable, Nu Unstable Performing u as Intended JAh L Footage iW Assessed Stream Length % Stable, Performing as nded 874 Assessed Bank Length 1,748 Surface Scour/ Bank lacking vegetative cover resulting simply from Bare Bank poor growth and/or surface scour. 0 100% Bank toe eroding to the extent that bank failure Bank Toe Erosion appears likely. Does NOT include undercuts that are 0 100% modest, appear sustainable and are providing habitat. Fluvial and geotechnical - rotational, slumping, Bank Failure 0 100% calving, or collapse. Totals: 0 100% Grade control structures exhibiting maintenance of Grade Control 0 0 N/A grade across the sill. Structure Bank erosion within the structures extent of Bank Protection 20 20 100% influence does not exceed 15%. T6 R1 Number Tota I Amount of Major Channel Category Metric Perfor ing ;Numjber Unstable as Inte ed Footage Assessed Stream Length % Stable, Performing as Intended 383 Assessed Bank Length 766 Surface Scour/ Bank lacking vegetative cover resulting simply from Bare Bank poor growth and/or surface scour. 0 100% Bank toe eroding to the extent that bank failure appears likely. Does NOT include undercuts that are Bank Toe Erosion 0 100% modest, appear sustainable and are providing habitat. Fluvial and geotechnical - rotational, slumping, Bank Failure 0 100% calving, or collapse. Totals: 0 100% Grade control structures exhibiting maintenance of Grade Control 0 0 N/A grade across the sill. Structure Bank erosion within the structures extent of Bank Protection 5 5 100% influence does not exceed 15%. Table 5. Vegetation Condition Assessment Table Sassarixa Swamp Mitigation Site DMS Project No. 100040 Monitoring Year 0 - 2021 Planted Acreage 13.03 MFW Mapping Definitions M (ac) Combined Acreage % of Planted Acreage Bare Areas Very limited cover of both woody and herbaceous material. 0.10 0 0% Low Stem Density Woody stem densities clearly below target levels based on current MY stem count 0.10 0 0% Areas criteria. Total 0 0% Areas of Poor Growth Planted areas where average height is not meeting current MY Performance 0.10 0 0% Rates Standard. Cumulative Total 0.0 0% Easement Acreage 65.06 M ff7on 7ategolr' Definitions of Lasement Invasives may occur outside of planted areas and within the easement and will therefore be calculated against the total easement acreage. Include species with the Invasive Areas of potential to directly outcompete native, young, woody stems in the short-term or 0.10 0 0% Concern community structure for existing communities. Invasive species included in summation above should be identified in report summary. Encroachment may be point, line, or polygon. Encroachment to be mapped consists Easement of any violation of restrictions specified in the conservation easement. Common 0 Encroachments Noted Encroachment Areas encroachments are mowing, cattle access, vehicular access. Encroachment has no none /Oac threshold value as will need to be addressed regardless of impact area. STREAM PHOTOGRAPHS PHOTO POINT 1 T1 R1— upstream (0110712021) 1 PHOTO POINT 1 T1 R1— downstream (0110712021) 1 PHOTO POINT 2 T1 R2 — upstream (0110712021) PHOTO POINT 3 T1 R2 — upstream (0110712021) PHOTO POINT 2 T1 R2 — downstream (0110712021) PHOTO POINT 3 T1 R2 — downstream (0110712021) Sassarixa Swamp Mitigation Site Appendix A: Visual Assessment Data — Stream Photographs PHOTO POINT 4 T1 R2 — upstream (0110712021) 1 PHOTO POINT 4 T1 R2 — downstream (0110712021) 1 PHOTO POINT 5 T1 R3 — upstream (0110712021) PHOTO POINT 6 T1 R3 — upstream (0110712021) PHOTO POINT 5 T1 R3 — downstream (0110712021) f l i PHOTO POINT 6 T1 R3 — downstream (0110712021) 1 Sassarixa Swamp Mitigation Site Appendix A: Visual Assessment Data — Stream Photographs PHOTO POINT 7 T1 R3 — upstream (0110712021) PHOTO POINT 8 T1 R4 — upstream (0110712021) PHOTO POINT 9 T113 — upstream (0110712021) PHOTO POINT 7 T1 R3 — downstream (0110712021) PHOTO POINT 8 T1 R4 — downstream (0110712021) PHOTO POINT 9 T113 — downstream (0110712021) Sassarixa Swamp Mitigation Site Appendix A: Visual Assessment Data — Stream Photographs PHOTO POINT 10 T113 — upstream (0110712021) 1 PHOTO POINT 10 T113 — downstream (0110712021) 1 PHOTO POINT 11 T1A — upstream (0110712021) 1 PHOTO POINT 11 T1A — downstream (0110712021) 1 PHOTO POINT 12 T1C—upstream (1211112020) PHOTO POINT 12 T1C — downstream (1211112020) Sassarixa Swamp Mitigation Site Appendix A: Visual Assessment Data — Stream Photographs PHOTO POINT 13 Sassarixa Creek — upstream (1211112020) 1 PHOTO POINT 13 Sassarixa Creek— downstream (1211112020) 1 PHOTO POINT 14Sassarixa Creek —upstream (1211112020) 7 PHOTO POINT 15 Sassarixa Creek —upstream (1211112020) PHOTO POINT 14 Sassarixa Creek — downstream (1211112020) PHOTO POINT 15 Sassarixa Creek — downstream (1211112020) Sassarixa Swamp Mitigation Site Appendix A: Visual Assessment Data — Stream Photographs PHOTO POINT 16 Sassarixa Creek — upstream (1211112020) 1 PHOTO POINT 16 Sassarixa Creek— downstream (1211112020) 1 PHOTO POINT 17 Sassarixa Creek — upstream (1211112020) 1 PHOTO POINT 17 Sassarixa Creek— downstream (1211112020) 1 PHOTO POINT 18Sassarixa Creek —upstream (1211112020) PHOTO POINT 18 Sassarixa Creek — downstream (1211112020) Sassarixa Swamp Mitigation Site Appendix A: Visual Assessment Data — Stream Photographs PHOTO POINT 19 T2 — upstream (0110712021) 1 PHOTO POINT 19 T2 — downstream (0110712021) 1 PHOTO POINT 20 T2 — upstream (0110712021) PHOTO POINT 21 T2 — upstream (0110712021) PHOTO POINT 20 T2 —downstream (0110712021) PHOTO POINT 21 T2 — downstream (0110712021) 1 �O'I, Sassarixa Swamp Mitigation Site `� Appendix A: Visual Assessment Data — Stream Photographs PHOTO POINT 22 T2 — upstream (0110712021) 1 PHOTO POINT 22 T2 — downstream (0110712021) 1 PHOTO POINT 23 T2 — upstream (0110712021) PHOTO POINT 23 T2 — downstream (0110712021) I PHOTO POINT 24 T3 R1— downstream (1211112020) Sassarixa Swamp Mitigation Site Appendix A: Visual Assessment Data — Stream Photographs PHOTO POINT 25 T3 R1— upstream (1211112020) 1 PHOTO POINT 25 T3 R1— downstream (1211112020) 1 PHOTO POINT 26 T3 R1— upstream (1211112020) 1 PHOTO POINT 26 T3 R1— downstream (1211112020) 1 PHOTO POINT 27 T3 R1— downstream (1211112020) Sassarixa Swamp Mitigation Site Appendix A: Visual Assessment Data — Stream Photographs PHOTO POINT 28 T3 R1— upstream (1211112020) 1 PHOTO POINT 28 T3 R1— downstream (1211112020) 1 PHOTO POINT 29 T3 R2 — upstream (1211112020) PHOTO POINT 29 T3 R2 — downstream (1211112020) PHOTO POINT 30 T4 R1— upstream (1111012020) 1 PHOTO POINT 30 T4 R1— downstream (1111012020) Sassarixa Swamp Mitigation Site Appendix A: Visual Assessment Data — Stream Photographs PHOTO POINT 31 T4 R2 — upstream (1111012020) PHOTO POINT 31 T4 R2 — downstream (1111012020) PHOTO POINT 32 T4 R3 — upstream (1111012020) 1 PHOTO POINT 32 T4 R3 — downstream (1111012020) 1 PHOTO POINT 33 T4 R3 — upstream (1111012020) PHOTO POINT 33 T4 R3 — downstream (1111012020) 1 Sassarixa Swamp Mitigation Site Appendix A: Visual Assessment Data — Stream Photographs PHOTO POINT 37 T5 R2 — upstream (1111012020) PHOTO POINT 38 T5 R2 — upstream (1111012020) PHOTO POINT 39 T5 R2 — upstream (1111012020) PHOTO POINT 37 T5 R2 — downstream (1111012020) PHOTO POINT 38 T5 R2 — downstream (1111012020) PHOTO POINT 39 T5 R2 — downstream (1111012020) Sassarixa Swamp Mitigation Site Appendix A: Visual Assessment Data — Stream Photographs PHOTO POINT 46 T513 — upstream (1111012020) 1 PHOTO POINT 46 T513 — downstream (1111012020) 1 PHOTO POINT 47 T5C — upstream (1111012020) PHOTO POINT 48 T5C — upstream (1111012020) PHOTO POINT 47 T5C —downstream (1111012020) PHOTO POINT 48 T5C —downstream (1111012020) Sassarixa Swamp Mitigation Site Appendix A: Visual Assessment Data — Stream Photographs PHOTO POINT 49 T5C — upstream (1111012020) 1 PHOTO POINT 49 T5C —downstream (1111012020) 1 PHOTO POINT 50 T6 R1— upstream (1012212020) 1 PHOTO POINT 50 T6 R1— downstream (1012212020) 1 PHOTO POINT 51 T6 R2 — upstream (1012212020) PHOTO POINT 51 T6 R2 — downstream (1012212020) Sassarixa Swamp Mitigation Site Appendix A: Visual Assessment Data — Stream Photographs PHOTO POINT 52 T6 R2 — upstream (1012212020) 1 PHOTO POINT 52 T6 R2 — downstream (1012212020) 1 PHOTO POINT 53 T6 R2 — upstream (1012212020) PHOTO POINT 54 T6 R2 — upstream (1012212020) PHOTO POINT 53 T6 R2 — downstream (1012212020) PHOTO POINT 54 T6 R2 — downstream (1012212020) Sassarixa Swamp Mitigation Site Appendix A: Visual Assessment Data — Stream Photographs VEGETATION PLOT PHOTOGRAPHS FIXED VEG PLOT 1(311112021) 1 FIXED VEG PLOT 2 (311112021) 1 FIXED VEG PLOT 3 (311112021) 1 FIXED VEG PLOT 4 (311112021) 1 FIXED VEG PLOT 5 (311112021) FIXED VEG PLOT 6 (311112021) ft Sassarixa Swamp Mitigation Site Appendix A: Visual Assessment Data —Vegetation Plot Photographs W FIXED VEG PLOT 7 (311112021) 1 FIXED VEG PLOT 8 (311112021) 1 FIXED VEG PLOT 9 (311112021) RANDOM VEG PLOT 11 (311612021) FIXED VEG PLOT 10 (311112021) Sassarixa Swamp Mitigation Site Appendix A: Visual Assessment Data — Vegetation Plot Photographs APPENDIX B. Vegetation Plot Data ar N N c-I M O 00 N N O O 00 N N O O o- w aj -o aj > cma -I d LL ma O `� `� N M O �D N N Ln N N O M O d tlA aJ -p 4 > C c: fn Ln d LL ma O N M M c-I N a�-I -1 V1 N N O Ln V1 N N O N O d aJ aj p a m d LL ma O `� M c-I M c-I N N c-I lD 00 N M O �o m N M O m V r. O d aj aJ p c: a -I fn a -I M a -I N N c-I d C C o L v C C o L QJ O '^ O 'O O Q O V C ,On 4J > 7 U \ O C w 4J > U U U U U U U U C U \ �n U O 2 U U (n LL Q Q Q LL Q LL N •N O — •N O — C LL LL LL LL LL U y cn cn Q Q o y cn cn u Q o Q o a N E tao � a N tlA v aJ aJ aJ aJ aJ aJ aJ aJ aj a a a a a a a a > U a > U a H N H H H H H H H H CL C v aJ U aj Q C v aj U aj Q aj -p Y 7 U Q N 7 U Q N aj O p O c c E E 3 Y C C Z 'O U-a >- yo N O O O O C O aJ � 4J N O aJ a>J 3 0 0 X a, aj U U O E•> U C > 3 O a 4 U E m 3 Q v N aj O n3 C � - X O n3 n O z 73 on O on aj 'o O +� U U pp w C (6 > U U aj -o E N 7 Q N - C 6 O C O 7 5 U aJ L U Q m OA (6 Q aJ �' 7 cn ca � �o CJ d C 6 C 6 u -O C aj O u -O •E ajd d aj > C U, o o E C �° (6 o E-o OA n3 .� E-o Q O p- n3 N n3 O 2E o-O (n Q w OA }o }o a N N a N o d 0 U tlA O aJ L C U � Q N C aj 6 >. d w C .0 (n O U AC O aj O O N O Q O Q d Q d C C 4 O d aj � Fd � Q L O O , .aj O C U .- aj aj aj N O- -0 O aj d L E a �.+ 'O L L y O y n3 a N Q N aJ Q aj aj U Q > _O C N C O O Q w0 aJ -2 O C C •- '� ca O 'CS � O aj aj C 4 O 3 E Q y C - 6 N v aj O .v j v C U U 7 4 aja u v (6 � y�i N U aJ O O u n3 a n O Q E v Q V = O O O O C O O- Q aJ O -aj •� 'O •V CQ T C Q p n3 C O - O O aj > n3 U a C > O > C C a T OA � c a a C d n3 u v O O a n ' O OA Q - (73 6 L tlA E C 6 E aj c N N Q O L U O O >p O M a > o Q Q E O tlA vO O Q O O 4 a3 o' E aj Q a v m m a n3 n3 Q U aJ d C O O v C y O C aj aj C aj a Q E aj �p_� E _ i a) a) LL O N c-I a -I M a -I V1 -1 lD I� M M O �D I� M fA O LnV1 00 O 0- to aJ 6 > C N c-I a -I M a -I Ln a -I a -I D_ LL ma O N c-I M c-I N 'D I� N N O �D I� N N O Ln Ln n O D_ 0A aJ -p 4 a -I N D_ LL ma O N N c-I N M 'D �D N M O �D �D N fA O LnV1 O D_ aJ aj p aj > I N N c-I N M a -I D_ ma N 00 I� M fA Or mI, M M O m � V1 O D_ aJ aj p > N D_ C C o L v cm o L a, O '^ O 'O O Q O V C On ,0A 4J > F 7 U Q O Cc: OA > Im U U U U U U U U C U\ �n U O 2 U �n U O 2 (n LL Q Q Q LL Q LL N •N O — •N O — C LL LL LL LL LL N � o N � o U Ln a Ln Q N Q Ln � a Ln Q N Q tlA v aJ aJ aJ aJ aJ aJ aJ aJ a a a a a a a a a > U a > U a H N H H H H H H H H D C v aJ U aJ Q C v aJ U aJ Q a -p Y 7 U Q N 7 U Q N aJ O p O c c E 3 C C Z 'O U T 00 N O Y O O O O a>J X a)aJ � U U O O a a E U E m 3 Q v N O O C - X O m n O (E6 Z � on C on aJ 'o p +s � u - E aJ � U 0A aJ C (6 > U U aJ _ E N 7 Q N - C 6 O C O 7 U a L U Q m 0A m aJ �' 7 Ln m � o � CJ d C 6 C 6 U C O aj u C 'O •E v aJ > C U O O E C �° (6 O E -p 00 n3 '�, E -p Q O p- n3 (n n3 O -M D_ O m n Q OA OA aJ N N aJ N D_ 0 U m 0A O aJ L C U � � N � Q N C aJ 6 >. D w C .0 (n O U •- .� y C OC aJ O O N O Q O Q D Q D C C 4 O D aJ � a > C Fd � Q L a O v C mc aJ O C G U .- aJ aJ aJ N O- -0 O aJ D L E a y O y n3 a N Q N aJ Q aJ aJ U Q > _O C N C O O Q w0 aJ � O � � O C C •- '� � O aJ aJ C 4 O 3 E Q y C - 6 N v aJ O .v j v C U U 7 4 Q a u v N U aJ O O n3 a n u y O Q E v Q V = O O O O C O O- � Q aJ O aJ •� 'O •V C Q T C Q p n3 s� C O - O O aJ > n3 a C > O aJ C C a > 0A C v c a a C v O O a n ' O 0A Q - m .y 7 N 'p 0A � 0n 73 E C p E aJ c N N Q u O> O O- L U -O p O M a > o Q Q E O 0A vO O Q O O 4 a3 o' E aj Q a v m m a n3 n3 Q U aJ D C O O v C y O C aJ aJ C aj a Q E aj �p_� E _ i a) U a) O d n3 a -I a -I M a- N N N'o 'o � M N N O * 00 N N O On LL 46 �--� N N M N N c-I N O 00 ON N O O 00 ON N C)C)H O am0A � aJ aj a -I N N M N N c-I N a -I CL LL ma O fA fn -1 V1 N c-I -1 I� M N O I� M N O O CL aJ aj p aj M M c-I V1 N c-I a -I lD � CL C C o L v C C o L QJ O '^ O 'O O Q O V C ,W 4J > 7 U \ 7 co: OA 4J > Im U U U U U U U U C U\ �n U O 2 U �n U 2 (n LL Q Q Q LL Q LL Q N E E v �' •N O C — E v �- •N O C — C LL LL LL LL LL U N n aj n Q Q v o N N Q 'o, o a N8DN a E aj On aj aj aj aJ w w w w w aj aj a a a, a, aj w w a > U aj > U a H N H H H H H H H H CL C v aj U aj Q C v aj U aj Q aj p Y 7 U cL N 7 U cL N aj O O o c c E E 3 C C Z 'O U T o N O Y O O O C O ar v `" O ar a>J 30 0 X aj C U U O E•> U CE- > 3 o a a E U E m 3 Q v N O O C - X 7 n O E6 Z on C on aJ 'o O +� U - 0A w 0A aj C m > U U aj E N 7 cLU N - C 6 O Caj.aj 7 73 U a aj U UO Q cn ca � �o U7 rJ d C 6 C 6 U � -O C O aj C 'O •E CL aj CL � aj aj > CC U O E O E -O 0A n3 '�, E -lo Q 7 cLm 7 (n m O m c G CL O M (n Q OA = 17 aj N N a N o 0 U m 0A 7 aJ L C � N � Q � N � � CL 0A � O U � C � > O O N O Q O Q CL Q CL C C 4 6 CL aj � aj j C O tao Q ta L O O , N C � .aj O C V •- aj aj ta aj N O- tao -0 O +-' aj CL L aj y O E m aJ N Q N aJ Q aj aj U m Q > _O C N C C^ C O aj Q aj O O -0 by�A 0A -aj 7 aj tD n3 C C •- •40 � O aj aj C aj > 3 E 2 E C Q y C - 6 N v aj O .v j v C U U 7 4 Q a u E (6 � aJ N N U a aj C O a V Q � O O C - O O- � w � VC Q T �6C aj O m a O a > n3 C > O a C C a aj Q 0A C v •O Q c a a C d n3 u v O O � aj - ' 0n y C-E 7 •s+ � C y O> O u O- L U -O O O m m- --5 E o 0A vOi Q C v O Q o' E Q v 7 c C6 aj -o n3 n3 Q U a CL C O O v C y O C N N .- v aj aj C OA _ a) fn 'O OJ m f0 r L C� G E 3 N L M Z it N 01 V C Cf0 G 4L O lu a C O m cu to v 0J 0 0 0 u OJ u OJ lD u OJ I� LL y LL y LL y M ii l0 iF 01 iF O O O a a a > = > = > = N = M = N > > > Q Q Q u u u OJ OJ OJ OJ OJ OJ OJ c c c c 0 0 0 0 a 2 a a u u u 0[ u as �n as as a LL n � LL a kn LL a � a a V1 N ii Ln iF 00 ft iF O a O a O a to w w a°i o a > _ > _ > _ = N = M = M ? = N > > > > Q Q Q Q Q Q Q Q E E 00 E V E w w w w N N N N OJ OJ OJ OJ C C C C 0 0 0 0 w O O O u w u w00 u 01 u 01 LL In y LL y LL y O O 1 No 0 a a a a = M = N = N = N Q Q Q Q u u u u n E E E V� E OJ OJ OJ OJ > > > > > > > > > > > > > > > > > > > > > > > > c c c c c c c c c c c c c c c c c c c c c c c c `o `O `o `o `o `o `o `o `o `o `o `o 0 0 0 0 0 0 O O O O O O O O O O O O O O O O O O APPENDIX C. Stream Geomorphology Data Cross -Section Plots 151 150 0 149 Cz W 148 147 MYO MY1 MY2 MY3 MY6 MY7 Bankfull Elevation - Based on AB-Bankfull Area 149.35 Bank Height Ratio - Based on AB-Bankfull Area 1.00 Thalweg Elevation 148.45 LTOB Elevation 149.35 LTOB Max Depth 0.902 LTOB Cross Sectional Area 2.47 t ' r Downstream (0111912021) Sassarixa Swamp Mitigation Site Appendix C: Stream Geomorphology Data —Cross-Section Plots 149.❑ > 148.5 Qf LLI 148-D Cross Section 2 (Pool) T1 Reach 2 ❑ 1❑ 20 3❑ Distance (ft.) - - Banktull Elevation - Based on AB•Bankl'utl Area MY ❑ — Current Low Top of Bank MYO MY1 MY2 MY3 MY6 MY7 Bankfull Elevation - Based on AB-Bankfull Area 148.82 Bank Height Ratio - Based on AB-Bankfull Area 1.00 Thalweg Elevation 147.78 LTOB Elevation 148.82 LTOB Max Depth 1.039 LTOB Cross Sectional Area 3.20 Downstream (0111912021) Sassarixa Swamp Mitigation Site Appendix C: Stream Geomorphology Data —Cross-Section Plots 131.5 130"5 130,0 Cross Section 3 (Riffle) T1 Reach 3 Distance (ft.) - - Banktull Elevation -Based on AB-Banklull Area MY 0 Current Low Top of Sank MYO MY1 MY2 MY3 MY6 MY7 Bankfull Elevation - Based on AB-Bankfull Area 130.69 Bank Height Ratio - Based on AB-Bankfull Area 1.00 Thalweg Elevation 130.04 LTOB Elevation 130.69 LTOB Max Depth 0.644 LTOB Cross Sectional Area 1.67 00, -f eke" • ``fit `=1 �� > r Downstream (0111912021) Sassarixa Swamp Mitigation Site Appendix C: Stream Geomorphology Data —Cross-Section Plots 142.0 141.0 Cross Section 4 (Riffle) T2 0 10 20 30 Distance (ft.) - - Bankfuli Elevation -Based on AB-Bankfull Area MY 0 — Current Low Top o! Bank MYO MY1 MY2 MY3 MY6 MY7 Bankfull Elevation - Based on AB-Bankfull Area 141.46 Bank Height Ratio - Based on AB-Bankfull Area 1.00 Thalweg Elevation 140.66 LTOB Elevation 141.46 LTOB Max Depth 0.802 LTOB Cross Sectional Area 1.99 Downstream (0111912021) Sassarixa Swamp Mitigation Site Appendix C: Stream Geomorphology Data —Cross-Section Plots MOM 141.5 141.0 Q a 140.5 140.0 139.5 Cross Section 5 (Pool) T2 0 10 20 30 Distance (ft.) - - Bankfull Elevation - Based on AB-Bankfull Area MY 0 Current Low Top of Bank MYO MY1 MY2 MY3 MY6 MY7 Bankfull Elevation - Based on AB-Bankfull Area 141.12 Bank Height Ratio - Based on AB-Bankfull Area 1.00 Thalweg Elevation 139.53 LTOB Elevation 141.12 LTOB Max Depth 1.581 LTOB Cross Sectional Area 4.88 F lqlNi Downstream (0111912021) Sassarixa Swamp Mitigation Site Appendix C: Stream Geomorphology Data —Cross-Section Plots 130 129 c 0 128 127 Cross Section 6 (Pool) T3 0 10 20 30 Distance (ft.) - - Ban kfull Elation - Based on AB-Bankfull Area + MY Q — Current Low Top of Bank MYO MY1 MY2 MY3 MY6 MY7 Bankfull Elevation - Based on AB-Bankfull Area 128.16 Bank Height Ratio - Based on AB-Bankfull Area 1.00 Thalweg Elevation 126.70 LTOB Elevation 128.16 LTOB Max Depth 1.462 LTOB Cross Sectional Area 3.25 Downstream (0111912021) Sassarixa Swamp Mitigation Site Appendix C: Stream Geomorphology Data —Cross-Section Plots 126.5 =a IMO ctf a m LLI 127.5 127.0 Cross Section 7 (Riffle) T3 0 10 20 30 Distance (ft.) - - Bankfull Elevation - Based on AB-Bankfull Area -■- MY 0 — Current Low Top of Sank MYO MY1 MY2 MY3 MY6 MY7 Bankfull Elevation - Based on AB-Bankfull Area 127.58 Bank Height Ratio - Based on AB-Bankfull Area 1.00 Thalweg Elevation 127.06 LTOB Elevation 127.58 LTOB Max Depth 0.522 LTOB Cross Sectional Area 1.50 Downstream (0111912021) Sassarixa Swamp Mitigation Site Appendix C: Stream Geomorphology Data —Cross-Section Plots 0 sti a v w 133.8 133.2 132.8 132.4 Cross Section 8 (Riffle) T5 Reach 2 0 10 20 30 40 5n Distance (ft.) - - Bankfull Elevation -Based on AB-Bankfull Area MY 0 Current Low Tap of Sank MYO MY1 MY2 MY3 MY6 MY7 Bankfull Elevation - Based on AB-Bankfull Area 133.06 Bank Height Ratio - Based on AB-Bankfull Area 1.00 Thalweg Elevation 132.36 LTOB Elevation 133.06 LTOB Max Depth 0.696 LTOB Cross Sectional Area 2.49 MR5 a. 4 i' I. :A•. IFS :1 � a. 'm'[ �� i .t4 f "�� Downstream (0111912021) Sassarixa Swamp Mitigation Site Appendix C: Stream Geomorphology Data —Cross-Section Plots 133 LI 132 131 Cross Section 9 (Pool) T5 Reach 2 0 10 20 30 40 Distance (ft.) - - Bankfull EWafion - Based on AB-Bankfull Area MY 0 — Current Low Top of Bank MYO MY1 MY2 MY3 MY6 MY7 Bankfull Elevation - Based on AB-Bankfull Area 132.53 Bank Height Ratio - Based on AB-Bankfull Area 1.00 Thalweg Elevation 131.03 LTOB Elevation 132.53 LTOB Max Depth 1.500 LTOB Cross Sectional Area 6.97 ��IIN4AN } Downstream (0111912021) Sassarixa Swamp Mitigation Site Appendix C: Stream Geomorphology Data —Cross-Section Plots 157.5 1 57.0 y, 156.5 Ld 156.0 Crass Section 10 (Riffle) T6 Distance (ft.) - - Bankfull Elevation -Based on AB-Bankfull Area — MY O — Current Low Top of Bank MYO MY1 MY2 MY3 MY6 MY7 Bankfull Elevation - Based on AB-Bankfull Area 156.43 Bank Height Ratio - Based on AB-Bankfull Area 1.00 Thalweg Elevation 155.62 LTOB Elevation 156.43 LTOB Max Depth 0.814 LTOB Cross Sectional Area 2.69 Downstream (0111912021) Sassarixa Swamp Mitigation Site Appendix C: Stream Geomorphology Data —Cross-Section Plots OEn 0 of f i O N ffl O 00 \ of O O N � G ff I u��i f ff , f o fI o 0 N O z � Y C f �f r I' f � O N \ N 0 O O } 00 o N � o 0 0 0 0 N u 3 f 2 "s o 0 N Z 47eaa a a Ll ulJag c m t c o � 0 V O o (;aa;) uol;enal3 D V N 0 N O 0 \ ti O N G G 0 0 0 o } N O Y L' f .04 zr O N 0O O !t 00 N � o m 0 0 i in g 0 N u 3 "s 0 0 0 T1 gLn O + ci N ff Ln a N N Ln n 0 0 Ln o .4 ,y + a a c N G! bo - O N N r+ O Q 0 F � O E O m M zcu ! ca c 3 r- c cu 0 O 0 0 v N 0 o� o v N G • 0 o m � N 0 L' Y L' "s o a ti N 0 m O m O O O } N N 3 "s 0 } o N lD v O ti N V v v O v OJ m lD m V m m (;aa;) uol;enal3 I M� £ 4�eaa Ll ulJag I •. 1 � �1 i *I � I . 1 j L .f «I I . 3 a. .I M 1 ' 0 n N 0 o � n o N G 0 0 o � o N 0 L' Y L' "s o a N �I .I .I . I �j . j 1 1 v . i . 1 1, i; a' fl • � I . I 1.� . i \ i \ § \ � / \ j \ , } k 2 j }40 )dd rn ) _, r � � _� { � .� +/ _; ; � O .O N G! 'r OO N O M O O O a o `m � Z N 00 c 3 o :a N r M m O 'C d O F c I n C !a o O n o 2 f2 O O m 0 m 0 O N O O Y m � G • 0 o N O 0 z Y It "s a w o — Y I 0 0 m 0 Y O O O 0 m 3 "s 0 O 0 0 0 o ti w ti io ti (;aa;) v ti uol;enal3 ti o ti w ti ti m i; s; . i r aio ,.I . I �I �I .j .I i� 1 .! r; .i 0 0 0 0 � o ifl O O Y m � G 0 0 o O OY m ? O z Y L' "s a o w 0 0 � m � O Y O O O O m 3 "s 0 o I '^ 0 TI 0 M O 0 o M ti m O m ti ti ti o ti w ti io ti v ti M F v (laa;) uol;enal3 F S a. ..i tsx •� .l « ; 1 v' ; «i i� v i' I 1 . ' i� 0 0 of 0 m 0 o G 0 0 m 0 0 O Y C "0 w Y 0 0 m - � O Y O O 3 0 0 m S 0 I 0 m o � ti (;aa;) uol;enal3 0 0 0 m 0 0 G 0 0 m 0 0 O Y L' "0 oa w Y 0 0 � m - � O Y O O 3 0 0 m S 0 I n Ol M o O 0 � o O � o M F v � ti ti (laa;) ti uol;enal3 � .ti ti F r O O v a 0 o \ o i v g z • 0 o .. o 6 v ? 0 z Y L' O O 0' 0 o v 0 O O O N O V 3 "s 0 Y O '^ 11 10 w ti 0 o io ti v ti ti o ti w ti io ti v� ti (;aa;) uol;enal3 .I H .�I . I • �1 `II i, .I .I s �I � 0 0 o v o \ o i z z O 0 o � o � 1 z Y C a I I O O G In = y 0 0 � v � O m . .I .I O O 0 O V 3 0 2 � o I '^ 0 TI w ti 0 0 io ti v ti ti o ti w ti io ti v� ti (laa;) uol;enal3 v 0 0 0 v 0 o N O � V C G • 0 o o � V 0 C Y L' 0 ao c = Y 0 o v _ � o m 0 0 o � 0 v 3 "o 0 o I '^ 11 0 ti ti ti � � ti ti 0 v (;aa;) uOl;enal3 LSX � 95X Si r f ..I .I ' ?! S; i� S( SLn 0 0 m v 0 o � N O V C G 0 0 o N V 0 C Y L' 0 ao c = Y � O 0 0 "s 0 z o F o u G • 0 o c 44 d O z Y C O O � 0 m d o o = g o c � ° o m Y OJ O O O 3 0 w 0 � I 0 0 0 0 3 0 0 0 v v 0 v o v w m to m v m m o� m (;aa;) uol;enal3 . I If I .I � I 1 �04 I� I � I �I ..1 s v 1,00 — Z 43eaa c slulJagID E a c m t � cID 0 0 "s 0 o � � O G G 0 0 ti io 0 0 O Y O C ti a\' o d � c � � o � o Y O O O 0 3 0 ti "s o Y 0 N N O N + ci � o to ti v ti ti o ti w ti to ti v� ti w N ti L u m cu (laa;) uol;enal3 F c d d c m t c Sl ulJag i� S, v� I � �i �i Ni ssx 11� . N � O O 0 n — c O 0 � "s t o o o N Z 43eaa 91 U!Bag • O 0 � d 0 z Y C O O O � n � O a d O 2 N �... O 0 O m OLSX � o � i O O O n 1� 0 I 0 o � 0 0 3 n � i rA 0 0 o n � v � o 0 o w io v1 o� (;aa;) UOl;enal3 Table 8a. Baseline Stream Data Summary Sassarixa Swamp Mitigation Site DMS Project No. 100040 Monitoring Year 0 - 2021 MONITORING CONDITIONS T1 R2 Parameter Riffle Only Min I Max n Min I Max Min I Max n Bankfull Width (ft) 3.4 1 3.6 5.2 1 Floodprone Width (ft) 8 1 >7.9 200 1 Bankfull Mean Depth 1 1 0.3 0.4 1 Bankfull Max Depth 0.7 1 0.4 1 0.5 0.9 1 Bankfull Cross Sectional Area (ft2) 2.5 1 1.2 2.5 1 Width/Depth Ratio 4.9 1 11.0 11.0 1 Entrenchment Ratio 2.2 1 >2.2 34.6 1 Bank Height Ratio 3.0 1 1 1.0 1 1.2 1.0 1 Max part size (mm) mobilized at bankfull --- --- --- Rosgen Classification G5 C5b/E5b C5b/E5b Bankfull Discharge (cfs) 8.8 3.0 9.0 Sinuosity 1.20 1.20 1.20 Water Surface Slope (ft/ft)2 0.0190 0.0300 2 0.0250 1 0.0410 0.0322 Other --- --- Parameter T1 R3 Riffle Only Min Max n Min I Max Min I Max n Bankfull Width (ft) 3.4 1 4.2 4.3 1 Floodprone Width (ft) 8 1 >9.2 90 1 Bankfull Mean Depth 1 1 0.4 0.4 1 Bankfull Max Depth 0.7 1 0.4 1 0.6 0.6 1 Bankfull Cross Sectional Area (ft2) 2.5 1 1.5 1.7 1 Width/Depth Ratio 4.9 1 12.0 11.1 1 Entrenchment Ratio 2.2 1 >2.2 21.9 1 Bank Height Ratio 3.0 1 1.0 1 1.2 1.0 1 1 Max part size (mm) mobilized at bankfull --- --- --- Rosgen Classification G5 C5/E5 C5/E5 Bankfull Discharge (cfs) 8.8 3.5 4.3 Sinuosity 1.20 1.20 1.20 Water Surface Slope (ft/ft)2 0.0190 0.0300 2 0.0092 1 0.0250 0.0181 Other --- --- Table 8a. Baseline Stream Data Summary Sassarixa Swamp Mitigation Site DMS Project No. 100040 Monitoring Year 0 - 2021 MONITORING CONDITIONS T2 Parameter Riffle Only Min I Max n Min I Max Min I Max n Bankfull Width (ft) 3 1 4.2 5.6 1 Floodprone Width (ft) 4 1 >9.2 75 1 Bankfull Mean Depth 0.5 1 0.4 0.4 1 Bankfull Max Depth 0.6 1 0.5 0.8 1 Bankfull Cross Sectional Area (ft2) 1.5 1 1.5 2.0 1 Width/Depth Ratio 6 1 12.0 15.7 1 Entrenchment Ratio 1.2 1 >2.2 13.4 1 Bank Height Ratio 6.5 1 1.0 1 1.2 1.0 1 Max part size (mm) mobilized at bankfull --- --- --- Rosgen Classification G5 C5b/E5b C5b/E5b Bankfull Discharge (cfs) 5.4 2.0 4.3 Sinuosity 1.14 1.40 1.40 Water Surface Slope (ft/ft)2 0.0290 1 0.0051 0.0064 0.0147 Other --- Parameter T3 Riffle Only Min Max n Min I Max Min I Max n Bankfull Width (ft) 3.2 4.2 2 3.6 4.7 1 Floodprone Width (ft) 5 24 2 >7.9 35 1 Bankfull Mean Depth 0.42 0.5 2 0.3 0.3 1 Bankfull Max Depth 0.7 0.56 2 0.4 1 0.5 0.5 1 Bankfull Cross Sectional Area (ft2) 1.7 2 1.0 1.5 1 Width/Depth Ratio 6.4 10 2 12.0 14.8 1 Entrenchment Ratio 1.1 7.1 2 >2.2 7.4 1 Bank Height Ratio 2.7 7.0 2 1.0 1 1.2 1.0 1 Max part size (mm) mobilized at bankfull --- --- --- Rosgen Classification B5/G5 C5/E5b C5/E5b Bankfull Discharge (cfs) 6.2 1 6.9 2 2.5 4.5 Sinuosity 1.16 1.20 1.20 Water Surface Slope (ft/ft)2 0.0340 1 0.0280 0.0330 0.0312 Other --- --- Table 8a. Baseline Stream Data Summary Sassarixa Swamp Mitigation Site DMS Project No. 100040 Monitoring Year 0 - 2021 MONITORING CONDITIONS T5 R2 Parameter Riffle Only Min I Max n Min I Max Min I Max n Bankfull Width (ft) 3.1 1 5.6 5.9 1 Floodprone Width (ft) 27 1 >11 170 1 Bankfull Mean Depth 1.1 1 0.5 0.4 1 Bankfull Max Depth 1.4 1 0.6 1 0.8 0.7 1 Bankfull Cross Sectional Area (ft2) 3.5 1 2.7 2.5 1 Width/Depth Ratio 2.8 1 12.0 14.0 1 Entrenchment Ratio 8.7 1 >2.2 16.9 1 Bank Height Ratio 1.6 1 1 1.0 1 1.2 1.0 1 Max part size (mm) mobilized at bankfull --- --- --- Rosgen Classification E5 C5/E5 C5/E5 Bankfull Discharge (cfs) 10.9 6.0 5.4 Sinuosity 1.20 1.40 1.40 Water Surface Slope (ft/ft)2 0.0120 1 0.0086 0.0170 0.0111 Other --- --- Parameter T6 R1 Riffle Only Min I Max n Min I Max Min I Max n Bankfull Width (ft) 4.1 1 6.4 6.0 1 Floodprone Width (ft) 7 1 >14 90 1 Bankfull Mean Depth 1.1 1 0.41 0.4 1 Bankfull Max Depth 1.5 1 0.5 1 0.7 0.8 1 Bankfull Cross Sectional Area (ft2) 4.4 1 3.3 2.7 1 Width/Depth Ratio 3.7 1 12.0 13.3 1 Entrenchment Ratio 1.7 1 >2.2 15.1 1 Bank Height Ratio 2.0 1 1.0 1 1.2 1.0 1 Max part size (mm) mobilized at bankfull --- --- --- Rosgen Classification G5 C5/E5 C5/E5 Bankfull Discharge (cfs) 12.8 5.5 5.9 Sinuosity 1.10 1.20 1.20 Water Surface Slope (ft/ft)2 0.0086 1 0.0049 0.0150 0.0107 Other --- --- \( �\ )� ƒAI - \� \ e . e @ ; @ mommoss monsoon oil: 2 m cL 0 0 ( \ E0 - 2 \k) 2[)/ j 0 0 ( \ \ 0 ( \ APPENDIX D. Project Timeline and Contact Info Table 10. Project Activity and Reporting History Sassarixa Swamp Mitigation Site DMS Project No. 100040 Monitoring Year 0 - 2021 -0 Activity or D• Project Instituted Data Collection Complete NA January 2018 Mitigation Plan Approved November 2019 November 2019 Construction (Grading) Completed NA January 2021 Planting Completed NA March 2021 As -Built Survey Completed Febuary 2021 Febuary 2021 Baseline Monitoring Document (Year 0) Stream Survey January 2021 April 2021 Vegetation Survey March 2021 Year 1 Monitoring Stream Survey 2021 December 2021 Vegetation Survey 2021 Year 2 Monitoring Stream Survey 2022 December 2022 Vegetation Survey 2022 Year 3 Monitoring Stream Survey 2023 December 2023 Vegetation Survey 2023 Year 4 Monitoring December 2024 Year 5 Monitoring Stream Survey ?n?5 December 2025 Vegetation Survey Year 6 Monitoring December 2026 Year 7 Monitoring Stream Survey December 20"- Vegetation Survey _u27 Table 11. Project Contact Table Sassarixa Swamp Mitigation Site DMS Project No. 100040 Monitoring Year 0 - 2021 Wildlands Engineering, Inc. Designer 312 West Millbrook Road, Suite 225 Angela Allen, PE Raleigh, NC 27609 919.851.9986 Land Mechanic Designs, Inc. Construction Contractor 126 Circle G Lane Willow Spring, NC 27592 Monitoring Performers Wildlands Engineering, Inc. Jason Lorch Monitoring, POC 919.851.9986 APPENDIX E. Record Drawings N tE8tr3'oN 95uJJFl �i � G(r,! /��y 9666 E596161�3 bY� .«�+m5 71'�L!a^�9111YlmMZiE �W }3a 33A0 — _ - Z ]N'�iJ!.rvM a +Y i�YJ � �: uS •7 T • O SCJNV'-IU'iIm -__-- eialole� gaxoN 'f4unoD —;sugo j Wa V a}rs uo-qO.41W dulen�s �xtat?sses � dmm r� N m u O E w ?? a ^ a 5� G N F ob U R. 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Buffer Baseline Monitoring Report Buffer Baseline Monitoring Report July 2021 SASSARIXA SWAMP MITIGATION SITE Johnston County, NC NCDEQ Contract No. 7425 DMS ID No. 100040 DWR Project Number 2018-0198 Neuse River Basin HUC 03020201 RFP #: 16-007279 :1:74L10:111go] ' i NC Department of Environmental Quality Division of Mitigation Services 1652 Mail Service Center Raleigh, NC 27699-1652 PREPARED FOR: PREPARED BY: BUFFER BASELINE MONITORING REPORT SASSARIXA SWAMP MITIGATION SITE Johnston County, NC NCDEQ Contract No. 7425 DMS ID No. 100040 Neuse River Basin HUC 03020201 NC Department of Environmental Quality Division of Mitigation Services 1652 Mail Service Center Raleigh, NC 27699-1652 Wft., WILDLANDS E N G I N E E R I N G Wildlands Engineering, Inc. 312 West Millbrook Road, Suite 225 Raleigh, NC 27609 Phone: (919) 851-9986 This Baseline Monitoring Plan has been written in conformance with the requirements of the following: • 15A NCAC 02B .0295 Mitigation Program Requirements for Protection and Maintenance of Riparian Buffers. • NCDEQ Division of Mitigation Services In -Lieu Fee Instrument signed and dated July 28, 2010. These documents govern DMS operations and procedures for the delivery of compensatory mitigation. Contributing Staff: Angela Allen, Project Manager Greg Turner, Construction Administrator John Hutton, Principal in Charge Carolyn Lanza, Monitoring Lead Jason Lorch, Baseline Monitoring Plan Andrea Eckardt, Lead Quality Assurance TABLE OF CONTENTS 1.0 Mitigation Project Summary ...................................................... 1.1 Project Goals................................................................................ 1.2 Pre -construction Site Conditions ................................................. 2.0 Determination of Credits........................................................... 3.0 Baseline Summary..................................................................... 3.1 Parcel Preparation....................................................................... 3.2 Riparian Area Restoration Activities ............................................ 3.3 Riparian Area Enhancement Activities ........................................ 3.4 Riparian Area Preservation Activities .......................................... 4.0 Annual Monitoring and Performance Criteria ............................. 4.1 Vegetation................................................................................... 4.2 Overview Photographs................................................................ 4.3 Visual Assessments...................................................................... 4.4 Annual Reporting Performance Criteria ...................................... 4.5 Maintenance and Contingency Plans .......................................... 5.0 References................................................................................ APPENDICES Appendix 1 General Figures and Tables Figure 1 Vicinity Map Figure 2 Service Area Map Figure 3 Project Component/Asset Map Figure 4 Monitoring Plan View Map Key Figure 4a-c Monitoring Plan View Map Table 1 Buffer Project Attributes Table 2a Mitigation Credits Table 2b Total Area of Buffer and Nutrient Offset Mitigation Table 3 Monitoring Components ...........................................1 .............................................. 1 .............................................. 1 ...........................................2 ...........................................2 .............................................. 2 .............................................. 3 .............................................. 3 .............................................. 3 ...........................................3 .............................................. 4 .............................................. 4 .............................................. 4 .............................................. 4 .............................................. 4 ...........................................6 Appendix 2 DWR Correspondence NC DWR - Site Viability for Buffer Mitigation and Nutrient Offset Letter — May 21, 2018 NC DWR - Site Viability for Buffer Mitigation and Nutrient Offset Letter — April 3, 2019 Sassarixa Technical Memo — DWR Response — August 19, 2019 Appendix 3 As -Built Survey Appendix 4 Overview Photographs Appendix 5 Permit Approvals Appendix 6 Vegetation Plot Data Table 4 Vegetation Plot Data Table 5 Vegetation Performance Standards Summary Table Vegetation Plot Photographs Sassarixa Swamp Mitigation Site Buffer Baseline Monitoring Report - Final DMS ID No. 100040 Page i July 2021 Mitigation Project Summary The Sassarixa Swamp Mitigation Site (Site) is a riparian restoration project located in Johnston County approximately six miles southwest of Smithfield and five miles north of Four Oaks (Figure 1). Figure 2 depicts the service area of the Site which does not include the Falls Lake watershed in the Neuse River Basin. A conservation easement comprised of 65.06 acres along Sassarixa Creek and seven unnamed tributaries to Sassarixa Creek, along with six unnamed tributaries to Black Creek was recorded on the Site (Figure 3). Before construction, the Site was characterized by a mix of active pastures, fields, and woodlands. The project is expected to generate 1,080,282.590 riparian buffer credits. The Site is within Hydrologic Unit Code (HUC) 03020201130030 and North Carolina Department of Water Resources (NCDWR) Sub -basin 03-04-04. The Site drains to Holts Lake, which is a recreational lake classified as Nutrient Sensitive Waters (NSW). Holts Lake then drains to the Neuse River, which is a water supply for the City of Goldsboro. 1.1 Project Goals The Sassarixa Swamp Mitigation Site is located in a new Targeted Local Watershed (TLW) that is not described in the 2010 Neuse River Basin Restoration Priorities (RBRP) Plan. The TLW was added in the 2015 Neuse 01 Cataloging Unit (CU) Update because there were more water quality issues than assets. The Site addresses the TLW stressors of agricultural land use/animal operations and the lack of protected riparian areas. The project will also address key CU wide restoration goals for the Neuse River 03020201 described in the RBRP (NC DWR 2009). Specific enhancements to water quality and ecological processes are outlined below: • Decrease nutrient levels - Nutrient input will be decreased by filtering runoff from the agricultural fields through restored native buffer zones. The off -site nutrient input will also be absorbed on -site by dispersing flood flows through native vegetation, thereby reducing nutrient inputs to waters of the Neuse River Basin. • Exclude cattle from project streams. - Install fencing around project areas adjacent to cattle pastures. • Decrease water temperature and increase dissolved oxygen concentrations - Establishment and maintenance of riparian buffers will create additional long-term shading of the channel flow to reduce thermal pollution. • Restore and enhance native floodplain vegetation - Plant native tree species in riparian zone where currently insufficient. • Permanently protect the Site from harmful uses - Establish a conservation easement on the Site. Protect aquatic habitat; protecting water supply waters. 1.2 Pre -construction Site Conditions Before construction, the 65.06-acre project was a mix of active pastures, fields, and woodlands along Sassarixa Creek and thirteen unnamed tributaries that drain into the Holts Lake watershed, which is part of the Neuse River Basin. Sassarixa Creek, T3, T4, T5, and T6 are all perennial streams; while T1, T1A, T1B, TIC, T1D, T2, TSa, TSb, and T5c are intermittent streams. The riparian buffer project attributes are listed in Table 1, located in Appendix 1. The project includes several adjacent properties that have been owned and operated as a livestock farm by a single family since 1850, where livestock are continually rotated through all fields (with access to their associated streams). The western portion of the project includes Sassarixa Creek and seven unnamed tributaries to Sassarixa Creek (T1, T1A, T1B, TIC, T1D, T2, and T3) (Figure 2). The eastern Sassarixa Swamp Mitigation Site Buffer Baseline Monitoring Report - Final DMS ID No. 100040 Page 1 July 2021 portion of the site contains six unnamed tributaries to Black Creek (T4, T5, T5A, T513, T5C, and T6). A review of historic aerials from 1950 to 2012, showed that onsite streams have existed in their approximate locations with very little change to riparian zones since 1950. Two alterations to the Site visible from aerial photography are the addition of the pond on T2 between 1964 and 1973, and the addition of the large pond below T5A, T513, and T5C, between 1950 and 1961. On February 9, 2018 (dated May 21, 2018), NCDWR conducted on -site determinations to review features and land use within the project boundary. In March 2019 Ms. Sam Dailey, with USACE, determined two additional features, T1B and TIC, within the project boundary as intermittent channels, resulting in an additional NCDWR site -viability letter dated April 3, 2019. The resulting NCDWR site viability letters and map confirming the Site as suitable for riparian buffer and nutrient offset mitigation are located in Appendix 2. Sassarixa Swamp and the seven unnamed tributaries along with six additional unnamed tributaries to Black Creek were determined to be appropriate for buffer and nutrient offset mitigation as related to the rules set forth in the Neuse Buffer Mitigation Rules: Mitigation Program Requirements for Protection and Maintenance of Riparian Buffers (15A NCAC 02B .0295) and Neuse River Basin: Nutrient Sensitive Waters Management Strategy: Protection and Maintenance of Existing Riparian Buffers (15A NCAC 02B .0233). Determination of Credits The project is expected to generate 1,080,282.590 riparian buffer credits, through buffer restoration, buffer enhancement via cattle exclusion, coastal headwater buffer restoration per the Consolidated Buffer Mitigation Rules (15A NCAC 02B 0.0295 (o)(2)) and buffer preservation per the Consolidated Buffer Mitigation Rules (15A NCAC 02B 0.0295 (o)). There is also potential to convert some buffer credits to nutrient offset credits, dependent on the need. Mitigation credits are presented in Tables 2a and 2b and illustrated in Figure 3 (Appendix 1). Calculations are based upon the as -built survey included in Appendix 3. Since approval of the Mitigation Plan, there have been some minor changes to credits. The final conservation easement changed resulting in a 0.04-acre subtraction to credits being claimed. Accuracy of survey and excluding wetland outlet features that were not planted account for an additional 2.68- acre subtraction. 3.0 Baseline Summary The Wildlands Team restored riparian areas along Sassarixa Creek and seven unnamed tributaries to Sassarixa Creek, along with six unnamed tributaries to Black Creek on the Site. The buffer and nutrient offset mitigation took place in conjunction with Sassarixa Swamp Stream Mitigation Project. The project design ensured that no adverse impacts to existing riparian areas occurred. Figure 3 illustrates the as - built conditions for the Site. Detailed descriptions of the restoration activity follow in Sections 3.1 through 3.4. Overview site photographs are included in Appendix 4. 3.1 Parcel Preparation Prior to stream construction, the Site was a mix of active pastures, fields, and woodlands. The pond along T2 was removed as part of the stream restoration. During stream construction, invasive plants were targeted and removed to reduce native competition. Soil amendments were added to certain graded areas after construction as directed by soil test results. Amendments included agricultural lime, slow release fertilizer, and soil conditioners (humic acid, organic material, soil biota stimulants). Haul roads and other high trafficked areas were also ripped to a depth of 18" where possible to reduce soil Sassarixa Swamp Mitigation Site Buffer Baseline Monitoring Report - Final DMS ID No. 100040 Page 2 July 2021 compaction. The approved regulatory permits for the stream mitigation project are included in Appendix 5. 3.2 Riparian Area Restoration Activities The vegetation plan for the riparian restoration area included permanent seeding and planting bare root trees. These vegetation efforts were coupled with the select treatment of invasive species to control their population. The species composition planted was selected based on the desired community type, occurrence of species in riparian areas adjacent to the Site, and best professional judgement. The total number of tree species planted across the buffer areas are as follows: willow oak (Quercus phellos) 1,379 stems, American sycamore (Platanus occidentalis) 1,907 stems, river birch (Betula nigra) 1,907 stems, water oak (Quercus nigra) 551 stems, swamp chestnut oak (Quercus michauxii) 1,396 stems, eastern cottonwood (Populus deltoides) 540 stems, box elder (Acer negundo) 1,350 stems, sweetbay magnolia (Magnolia virginiana) 463 stems, cherrybark oak (Quercus pagoda) 66 stems, American Elm (Ulmus alata) 33 stems, and black willow (Salix nigra) 33 stems. In total, 9,619 stems were planted across the site. Trees were planted at a density sufficient to meet the performance standards outlined in the Rule 15A NCAC 02B .0295 of 260 trees per acre at the end of five years. An appropriate seed mix was applied as necessary to provide temporary ground cover for soil stabilization and reduction of sediment loss during rain events in disturbed areas. This was followed by an appropriate permanent seed mixture. Tree planting was completed in March 2021. Vegetation management and herbicide applications will be implemented as needed during tree establishment in the restoration areas to prevent establishment of invasive species that could compete with the planted native species. 3.3 Riparian Area Enhancement Activities Fencing was used to exclude cattle throughout the project as allowed by 15A NCAC 02B .0295(o) and minimal work was done on the streams through the enhancement areas. The enhancement areas have been protected in perpetuity under a conservation easement. Vegetation management and herbicide applications were implemented prior to construction along existing forested areas to prevent the spread of invasive species that could compete with planted native species. Dense Chinese privet (Ligustrum sinense) and trifoliate orange (Citrus trifoliata) was removed along Sassarixa Creek. Sporadic trees of Bradford pear (Pyrus calleryana), tree -of -heaven (Ailanthus altissima), and princess tree (Paulownia tomentosa) were removed along T4 and T5. Invasive species will continued to be monitored and controlled as necessary. 3.4 Riparian Area Preservation Activities No work was done in the buffer preservation areas, as allowed under 15A NCAC 02B .0295(o). The preservation area has been protected in perpetuity under a conservation easement. Annual Monitoring and Performance Criteria The performance criteria for the Site follows approved performance criteria presented in the guidance documents outlined in Request for Proposal (RFP) 16-007279 and the Consolidated Buffer Rule (15A NCAC 02B .0295). Annual monitoring and semi-annual site visits will be conducted to assess the condition of the finished project. The riparian restoration project has been assigned specific performance criteria components for vegetation that will be evaluated throughout the five-year post - construction monitoring for buffer restoration, buffer enhancement, cattle exclusion, and buffer preservation and seven-year post -construction monitoring for coastal headwater buffers. An outline of Sassarixa Swamp Mitigation Site Buffer Baseline Monitoring Report - Final DMS ID No. 100040 Page 3 July 2021 the performance criteria and monitoring components follows. Monitoring components are included in Table 3 and vegetation plots are depicted in Figure 4 (Appendix 1). 4.1 Vegetation Performance Standards for the Site will be based on the health and survival of a minimum density of 260 trees per acre after five years of monitoring, with a minimum of four native hardwood tree or shrub species composition and no one species comprising more than 50 percent of stems. Coastal headwater buffers will be visually assessed for seven years of monitoring. Height, visual assessment of damage, and vigor will be used as indicators of overall health. Desirable volunteer species may be included to meet the success criteria upon DWR approval. The extent of invasive species coverage will also be monitored and treated as necessary throughout the required five-year monitoring period. Ten fixed 100 square meter vegetation monitoring quadrants were installed across the Site to measure the survival of the planted stems (Figure 4). Vegetation monitoring resulted in a stem density range of 445 to 648 planted stems per acre (Table 4). Vegetation monitoring follows the CVS-EEP Level 2 Protocol for Recording Vegetation (2008). All planted stems were marked with flagging tape and a reference photograph was taken from the southwestern corner of each vegetation plot during vegetation assessments. Each year, trees will be re -marked and plot photos will be taken along with overview photographs of the Site. Appendix 6 includes the baseline (MYO) vegetation plot data and vegetation performance standards summary tables, as well as plot photographs. 4.2 Overview Photographs Photographs will be taken within the project area once a year to visually document stability for five years following construction. Baseline overview photographs are included in Appendix 4. 4.3 Visual Assessments Visual assessments should support the performance standards for each metric as described above. Visual assessments will be performed within the Site on a semi-annual basis during the five-year monitoring period. Problem areas with vegetative health will be noted (e.g. low stem density, vegetation mortality, invasive species, or encroachment). Areas of concern will be mapped and photographed accompanied by a written description in the annual report. Problem areas will be re-evaluated during each subsequent visual assessment. 4.4 Annual Reporting Performance Criteria Using the Division of Mitigation Services (DMS) Riparian Buffer and Nutrient Offset Buffer Baseline and Annual Monitoring Report Template version 2.0 (2017), monitoring reports will be prepared in the fall of each monitoring year and submitted to DMS. The monitoring period will extend five years beyond completion of construction or until performance criteria have been met. For coastal headwater buffer restoration areas under Rule 15A NCAC 02B .0295 (o)(2) the success for coastal headwaters vegetation is dependent on the success of the coastal headwater system (T5C). As stated in the NCDMS Sassarixa Swamp Mitigation Plan, visual monitoring will take place for seven years to insure T5C stays a coastal headwater and will be reported in the annual Monitoring Reports. A technical memorandum will be used to document the success of T5C and the coastal headwater buffers for Monitoring Year 6 and 7. This will be included in the Appendix of the NCDMS Sassarixa Swamp Annual Monitoring Report. 4.5 Maintenance and Contingency Plans The conservation easement has been properly and accurately marked by adding witness posts with easement placards along the easement boundary and at every corner. Adaptive management will be performed during the monitoring years to address minor issues as necessary. If during annual Sassarixa Swamp Mitigation Site Buffer Baseline Monitoring Report - Final DMS ID No. 100040 Page 4 July 2021 monitoring it is determined the project's ability to achieve performance standards are jeopardized, Wildlands will notify and work with the DMS/NCDWR to develop contingency plans and remedial actions. Any actions implemented will be designed to achieve the success criteria specified previously and will include a work schedule and updated monitoring criteria (if applicable). Sassarixa Swamp Mitigation Site Buffer Baseline Monitoring Report - Final DMS ID No. 100040 Page 5 July 2021 References Breeding, R. 2010. Neuse River Basin Restoration Priorities. North Carolina Ecosystem Enhancement Program. Accessed at: https:Hfiles.nc.gov/ncdeq/Mitigation%20Services/Watershed_Planning/Neuse_River_Basin/FINAL%2 ORBRP%20Neuse%202010_%2020111207%2000RRECTED.pdf Lee, M.T., Peet, R.K., Roberts, S.D., & Wentworth, T.R. 2008. CVS-EEP Protocol for Recording Vegetation Version 4.2. Accessed at: http://cvs.bio.unc.edu/protocol/cvs-eep-protocol-v4.2-lev1-2.pdf Natural Resources Conservation Service (NRCS), 2011. Web Soil Survey. Accessed at: http://websoiIsurvey.nres.usda.gov/app/HomePage.htm North Carolina Department of Environmental Quality, Division of Mitigation Services (NCDMS). 2017. Riparian Buffer and Nutrient Offset Buffer Baseline and Annual Monitoring Report Template version 2.0 Accessed at: https:Hfiles.nc.gov/ncdeq/Mitigation%20Services/Document%20Management%20Library/Guidance% 20and%20Template%20Documents/RB_NO_Base_Mon_Template_2.0_2017_5.pdf North Carolina Department of Environmental Quality, Division of Water Resources (NCDWR). 2000. 15A NCAC 02B .0233 Neuse River Basin: Nutrient Sensitive Waters Management Strategy: Protection and Maintenance of Existing Riparian Buffers. Accessed at: http://reports.oah.state.nc.us/ncac/title%2015a%20- %20environmental%20quality/chapter%2002%20- %20environmental%20management/subchapter%20b/15a%20ncac%2002b%20.0233.pdf North Carolina Department of Environmental Quality, Division of Water Resources (NCDWR). 2015. 15A NCAC 02B .0295 Mitigation Program Requirements for Protection and Maintenance of Riparian Buffers. Accessed at: http://reports.oah.state.nc.us/ncac/title%2015a%20- %20environmental%20quality/chapter%2002%20- %20environmental%20management/subchapter%20b/15a%20ncac%2002b%20.0295.pdf North Carolina Department of Environmental Quality, Division of Water Resources (NCDWR). 2011. Surface Water Classifications. Accessed at: https://deq.nc.gov/about/divisions/water- resources/planning/classification-standards/classifications#DWRPrimaryClassification Wildlands Engineering, Inc. (2020). Sassarixa Swamp Mitigation Site — Riparian Buffer Mitigation Plan. North Carolina Department of Environmental Quality, Division of Mitigation Services (NCDMS), Raleigh, NC. Sassarixa Swamp Mitigation Site Buffer Baseline Monitoring Report - Final DMS ID No. 100040 Page 6 July 2021 APPENDIX 1. General Figures and Tables 9 Q p �Ss��f r x ti J 03020201150010 r Y L J 0� tY. C] h03020201130030 5 .. 1�oark�1?9 I'011, Rci - Project Location Hydrologic Unit Code (14-Digit) DIMS Targeted Local Watersheds i Country • - of John Eaun Ho Its Lake 03020201140010 �` / Four Vziks��` Directions: From Raleigh take I-40 E. Take exit 319 for NC-210 toward Smithfield/Angier. Turn left onto NC-210 E (signs for Smithfield). Continue on NC-210 E for 2.4 miles and turn right onto Lassiter Roads. After 4.6 miles, turn left onto Black Creek Road. Continue on Black Creek Road for 0.7 miles and then turn right onto Old Olive Road. The first parcel is 0.1 mile on the right of Old Olive Road. The other parcels are at various locations further down Old Olive Road. Figure 1. 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" k \ O � k # ■ � 0 ƒ w a" m r LU 0 aj � m � / : z k � 0 K \ ■ � k 2 k 0 / a Ln E _ 0 04-1 _ r C4 C / 0 \ f E �: 1 B ( k 7 m r, ƒ ƒ E E E E LL f f f � « _ 0 QLn m C ® E ~ � _j > � 0 LL u § � » � ° § § k S / k § § 2 k � 5 v 2 ■ j 2 . a a x APPENDIX 2. DWR Correspondence worer Resources rhlL lt.I►r "LNI AIL Q+IA& iY ROY COOPER MICHAEL S. R EO AN LINDA CULPEPPER i h !iHl i )i+r � �111 May 21, 2018 John Hutton DWR ID# 2018-0198 Wildlands Engineering, Inc. Johnston County 312 West Millbrook Rd, Suite 225 Raleigh, NC 27609 (via electronic mail: 'huttonru)wildlandsen .com ) Re: Site Viability for Buffer Mitigation and Nutrient Offset & Buffer- Sassarixa Swamp Site 2-162 Olive Rd, Smithfield, NC Neuse 03020201 (not in Falls WS) Dear Mr. Hutton, On February 9, 2018, Katie Merritt, with the Division of Water Resources (DWR), received a request from Wildlands Engineering, Inc. (WEI) for an onsite mitigation determination near the above - referenced site (Site). The Site is located in the Neuse River Basin within the 8-digit Hydrologic Unit Code 03020201. The Site is being proposed as part of a full -delivery stream and riparian buffer mitigation project for the Division of Mitigation Services (RFP #16-007279). Members of the Interagency Review Team (IRT) and Division of Mitigation Services were also present onsite. At your request, on February 23, 2018, Ms. Merritt performed an onsite assessment of riparian land uses adjacent to streams onsite, which are shown on the attached map labeled "Figure 6A,% Ms. Merritt's evaluation of the features and their associated mitigation determination for the riparian areas are provided in the table below. The evaluation was made from Top of Bank (TOB) out to 200' from each existing or proposed feature for buffer mitigation pursuant to 15A NCAC 02B .0295 (effective November 1, 2015) and for nutrient offset credits pursuant to 15A NCAC 02B .0240. Feature Classification 'Subject Riparian land uses Buffer Nutrient Mitigation Tyne Determination Win doarian areas to Buffer 0jacent to proposed Credit Offset Credit Rule Feature 0-200 Viable Viable at 2,273 Ibs acre T1A Stream No Forested pasture Yes° Yes (non- Enhancement Site per 15A NCAC 02B .0295 (o) @ DWR flag actively grazed by forested (61 cattle areas only) T1 Stream Yes Forested & Non- Yesd Yes (non- Fields - Restoration Site per 15A NCAC 02B forested pasture forested .0295 (n) actively grazed by areas only) Cattle Forested Areas - Enhancement Site per 15A NCAC 026 .0295 Rol (6) Sassarixa Stream Yes Forested pasture Yes' No Forested Areas - Enhancement Site per 15A Creek grazed by cattle NCAC 02B .0295 joj (6) (R2-R3) No cattle observed in riparian areas below R-3 (see map) State of North 0mlins I Pnvironmentai Quality Water Resoa=N 1617 Mail Service Center Raleigh_ North Carolina 21699.1617 911) 807 6300 Sassarixa Swamp Site Wildlands Engineering, Inc May 21, 2018 Feature Classification 'Subject Riparian Land uses Buffer 2Nutrient M_ itigation Type Determination w/in riparian to Suffer areas adjacent to proposed Credit Offset Credit Rule Feature 0-200' Viable Viable at 2,273 Ibs acre T2 Pond Pond (not in No Agriculture No No N/A line) T2 Stream Yes (starts in the Yes° No Forested Areas - Enhancement Site per 15A (inside wovdline) NCAC 02B .0295 (o) (6) woodline) Forested pasture grazed by cattle T3 (R1) Ditch No Left Bank - Hay crop No Yes Restoration Ste per 15A NCAC 02B .0295 (n) fields Right Bank -Non- forested pasture grazed by cattle T3 (112) Ephemeral No Left Bank- hay crop 'Yes3.5 Yes (non- Forested Areas - Preservation Site per 15A fields and forest forested NCAC 02B .0295 (o)(7) Right Bank -a narrow areas anly) fringe of forested i fields - Restoration Site per 15A NCAC 02B areas; fields are .0295 (o)(7) actively grazed by cattle. "Must meet additional requirements under .0295 (o)(7) to be viable for buffer mitigotion T3 (113) Stream Yes Forested, no cattle Yes' No Preservation Site per 15A NCAC 02B .0295 present (o)(5) T4 (R1) Stream Yes Partial canopy Yes4 Yes Buffer Mitigation - Enhancement Site per 15A forested pasture NCAC 02B .0295 (o) (6) actively grazed by cattle Nutrient Offset - Enhancement Site per 15A NCAC 0 2 B .0295 (n) (planting required) T4 (112) Strearn Yes Partial canopy Yes° Yes Buffer Mitigation - Enhancement Site per 15A forested pasture NCAC 02B .0295 (o) (6) actively grazed by cattle Nutrient Offset- Enhancement Site per 15A NCAC 02B .0295 (n) (planting required) T4 (R3) Wetiand/ No Forested No No N/A Inconsistent channelization T5 (R1) Stream Yes Full -canopy forested Yes" No Enhancement Site per 15A NCAC 02B .0295 (a) pasture actively (6) grazed by cattle T5 Stream Yes Right Bank- Forested Yes' Yes (field Forested Areas - Preservation Site per 15A (R2-R3) Left Bank- mostly onlyf NCAC 02B (o)(5) forested with a crop field Fields - Restoration Site per 15A NCAC 026 .0295 (n) Sassarixa Swamp Site Wildlands Engineering, Inc May 21, 2018 Feature Classification 'Subiect Riparian Land uses Buffer 2Nutrient Mitigation Type_ Determination w/in riparian adjacent to proposed areas to Buffer Credit Offset Credit Rule Feature 10-200'1 Viable Viable at 2,273 ks acre T5A Stream No Full -canopy forested Yes° Na Fnhancement5ite pet I5A NCAC 026 .0295 (o) pasture actively (6y grazed by cattle with adjacent ag fields T5A Wetland No Full -canopy forested (see No Mitigation ion Note: Wetland (imparts from pasture actively note) Proposing stream restoration to reconnect T5A (see map) cattle in TS grazed by cattle stream throughout. If stream restoration is stream approved by the IRTand a stream channel is resulted in o constructed, then the new riparian areas will wetland] be viable as an Enhancement Site per 15A NCAC 02S .0295 (o) (6) T56 Stream Yes Fuli-canopy forested Yes° No Enhancement Site per 15A NCAC 02B .0295 to) pasture actively (6) grazed by cattle T5C Headwater No Full canopy forested "Yes No fields - Restoration Site per 15A NCAC 02B Stream/ pasture surrounded by (fields .0295 (02) Wetland agriculture fields only) complex "Must be approved by the 1RT as a Coastal Headwo ter Stream Mitigation Site to be viable for credit. T6 Stream Yes Combination of Yes° Yes (field Fields - Restoration Site per 15A NCAC 02B forested pasture and only) .0295 (n) agriculture fields Forested Areas - Enhancement Site per 15A NCAC 026.0295 (o) (6) 'Subjectivity calls for the features were determined by DM R in correspondence dated April 5, 2018 and April 6. 2018 using the 1:24.000 scale quadrangle topographic neap prepared by USGS and the most recent printed version of the soil survey map prepared by the MRCS. z NC Division of Water Resources - lilelhodology and Calculationsfor determining Nutrient Reductions associated with Riparian Buffer Establishment 'The area of preservation credit within a buffer mitigation site shall comprise of no more than 25 percent (25%) of the total area of buffer mitigation per 15A NCAC 0295 (c)(5) and 15A NCAC 0295 (o)(4). Site cannot be a Preservation only site to comply with this rule. 'The area described as an Enhancement Site was assessed and determined to comply with all of 15A NCAC 02B .0295(o)(6). 'The area of the mitigation site on ephemeral channel shall comprise no more than 25 percent (25%) of the total area of buffer mitigation per 15A NCAC 02B .0295 (o)(7), Maps that are attached to this letter were provided by WEI and were initialed by Ms. Merritt on May 21, 2018. This letter should be provided in all stream, wetland, buffer and/or nutrient offset mitigation plans for this Site. This letter does not constitute an approval of this site to generate mitigation credits. Pursuant to 15A NCAC 02B .0295, a mitigation proposal and a mitigation plan shall be submitted to DVVR for written approval prior to conducting any mitigation activities in riparian areas and/or surface waters for buffer mitigation credit. Pursuant to 15A NCAC 02B .0240, a proposal regarding a proposed nutrient Sassarixa Swamp Site Wildlands Engineering, Inc May 21, 2018 load -reducing measure for nutrient offset credit shall be submitted to DWR for approval prior to any mitigation activities in riparian areas and/or surface waters. All vegetative plantings, performance criteria and other mitigation requirements for riparian restoration, enhancement and preservation must follow the requirements in 15A NCAC 02B .0295 to be eligible for buffer and/or nutrient offset mitigation credits. For any areas depicted as not being viable for nutrient offset credit above, one could propose a different measure, along with supporting calculations and sufficient detail to support estimates of load reduction, for review by the DWR to determine viability for nutrient offset in accordance with 15A NCAC 02B .0240. This viability assessment will expire on May 21, 2020 or upon the submittal of an As -Built Report to the ❑WR, whichever comes first. Please contact Katie Merritt at (919)-807-6371 if you have any questions regarding this correspondence. Sincerely, Karen Higgins, Supervisor 401 and Buffer Permitting Branch KAH/kni Attachments: Figure bA cc; File Copy (Katie Merritt) DMS — Jeff Schaffer (via electronic mail) � 4 2r LL" ROY COOPER Governor MICHAEL S. PEGAN Secretary LINDA CULPEPPER Director Angela Allen Wildlands Engineering, Inc. 312 West Millbrook Rd, Suite 225 NORTH CAROLINA Environmental Quality April 3, 2019 Raleigh, NC 27609 (via electronic mail: aallenLa),wildlandseng.com ) DWR ID# 2018-0198 Johnston County Re: Site Viability for Buffer Mitigation and Nutrient Offset & Buffer- Sassarixa Swamp (T1) 2-162 Olive Rd, Smithfield, NC Neuse 03020201 (not in Falls WS) Dear Ms. Allen, On February 20, 2019, Katie Merritt, with the Division of Water Resources (DWR), received a request from you on behalf of Wildlands Engineering, Inc (WEI) to evaluate the potential for riparian buffer mitigation and nutrient offset on two additional features on the subject site. Features labeled T I B and TIC on the attached map labeled "Figure 3a Site Map" were evaluated by Sam Dailey with the US Army Corps of Engineers in March 2019 and these features were determined to be at least intermittent channels. The Site is also being proposed as part of a full -delivery stream and riparian buffer mitigation project for the Division of Mitigation Services (RFP #16-007279). Ms. Merritt's evaluation of the features and their associated mitigation determination for the riparian areas are provided in the table below. This evaluation was made from Top of Bank (TOB) and landward 200' from each feature for buffer mitigation pursuant to 15A NCAC 02B .0295 (effective November 1, 2015) and for nutrient offset credits pursuant to 15A NCAC 02B .0240. North Carolina Department of Environmental Quality } Division of Water Resources 5I2 North Salisbury Street 1 1617 Malt Service Center l Raleigh. North Carolina 27699-1617 �0-ft r 919,707.9000 5assarixa (T113, T1Q Site Wildiands Engineering, Inc. April 3, 2019 Featur 0assification 1 u 'ect Riparian Land use Buffer r dit ?Nutrient Mitigation Type Determination to adjacent to Feature Offset wjin riparian areas -2003 Buffer viable Viable at 2,273.02 Rule l -N per acre Tl B Stream No Combination of forested and 4Yes Yes (non- Fields - Restoration Site per 15A non -forested pasture actively forested NCAC 02B .0295 (o)(3) grazed by cattle areas only) Forested Areas - Enhancement Site per 15A NCAC 02B .0295 (o) (6) TIC Stream No Forested pasture actively 'Yes Yes (ag Fields - Restoration Site per 15A grazed by cattle; ag fields at fields only) NCAC 02B .0295 (o)(3) the upstream portion Forested Areas - Enhancement Site per 15A NCAC 02B .0295 (o) (6) 'Subjectivity calls for the features were determined by DWR in correspondence dated March 21, 2019 using the 1:24,000 scale quadrangle topographic map prepared by 11SGS and the most recent printed version of the soil survey map prepared by the NRCS . '- NC Division of Water Resources - Methodology and Calculations for determining Nutrient Reductions associated with Riparian Buffer Estahlishment 3The area of preservation credit within a buffer mitigation site shall comprise of no more than 25 percent (25%) of the total area of buffer mitigation per 15A NCAC 0295 (o)(5) and 15A NCAC 0295 (o)(4). Site cannot be a Preservation Only site to comply with this rule. 4The area described as an Enhancement Site was assessed and determined to comply with all I SA NCAC 02B .0295(o)(6). Cattle exclusion fencing is required to be installed around the mitigation area to get buffer credit under this part of the rule. 'The area of the mitigation site on ephemeral channels shall comprise no more than 25 percent (25%) of the total area of buffer mitigation per 15A NCAC 02B .0295 (o)(7). Cattle exclusion fencing is required to be installed around the mitigation area to get buffer credit under this part of the rule. Maps that are attached to this letter were prepared by WEI and initialed by Ms. Merritt on April 3, 2019. This letter should be provided in all stream and wetland, buffer and/or nutrient offset mitigation plans for this Site. This letter does not constitute an approval of this site to generate mitigation credits. Pursuant to 15A NCAC 02B .0295, a mitigation proposal and a mitigation plan shall be submitted to DWR for written approval prior to conducting any mitigation activities in riparian areas and/or surface waters for buffer mitigation credit. Pursuant to 15A NCAC 02B .0240, a proposal regarding a proposed nutrient load -reducing measure for nutrient offset credit shall be submitted to DWR for approval prior to any mitigation activities in riparian areas and/or surface waters. All vegetative plantings, performance criteria and other mitigation requirements for riparian restoration, enhancement and preservation must follow the requirements in 15A NCAC 02B .0295 to be eligible for buffer and/or nutrient offset mitigation credits. For any areas depicted as not being viable for nutrient offset credit above, one could propose a different measure, along with supporting calculations and sufficient detail to support estimates of load reduction, for review by the DWR to determine viability for nutrient offset in accordance with 15A NCAC 02B .0240. This viability assessment will expire on April 3, 2021 or upon the submittal of an As -Built Report to the DWR, whichever comes first. This letter should be provided in all stream, wetland or buffer mitigation plans for this Site. Page 2 of 3 Sassarixa (T1B, T1Q Site Wildlands Engineering, Inc. April 3, 2019 Please contact Katie Merritt at (919) 707-3637 if you have any questions regarding this correspondence. Sincerely, KAH/km Attachments: Figure 3a cc: File Copy (Katie Merritt) �,, Karen Higgins, Supervisor 401 and Buffer Permitting Branch Page 3 of 3 y_ •} �' f b _w- , - From: Merritt, Katie To: Anaela Allen Cc: Dow. Jeremiah J; Woioski. Paul A Subject: RE: [External] RE: Sassarixa Technical Memo- DWR response Date: Monday, August 19, 2019 01:56:00 PM Hey Angela, You may send it do Paul Wojoski, same address as indicated on the letter. From: Angela Allen [mailto:aallen@wild landseng.com] Sent: Monday, August 19, 2019 1:51 PM To: Merritt, Katie <katie.merritt@ncdenr.gov> Cc: Dow, Jeremiah J <jeremiah.dow@ncdenr.gov>; Wojoski, Paul A <Paul.Wojoski@ncdenr.gov> Subject: [External] RE: Sassarixa Technical Memo- DWR response External email. Do not click links or open attachments unless you verify. Send all suspicious email as an Fachment to report.spam(@nc.gov Katie, Thank you for your thorough and timely review of this. I wanted to confirm whose attention I should make the appeal out to for the T4 call change. Andrea Eckardt mentioned Karen had temporarily been working another role. Thank you, Angela From: Merritt, Katie <katie.merrittPncdenr.Rov> Sent: Friday, August 16, 2019 4:48 PM To: Angela Allen <aallenPwildlandseng.com> Cc: Dow, Jeremiah J <ieremiah.dowPncdenr.gov>; Wojoski, Paul A <Paul.Woioski(@ncdenr.gov> Subject: Sassarixa Technical Memo- DWR response Hey Angela, In the mitigation plan for Sassarixa Creek, I received a memo from you dated July 22, 2019 requesting two things: 1) Request for T2, T5, T5A and T5C to be considered viable for buffer restoration and nutrient offset credits in areas of active cattle pasture 2) Request for Reclassification of T4 Reach 3 from a wetland to a jurisdictional stream Regarding Item #2 above, the rule requires that you must submit an appeal to the Director of the Division of Water Resources. However, this request was provided to me in a mitigation plan. Therefore, I am unable to process your request for Item #2. You can submit your appeal request to the DWR by following the appeal process outlined in the letter attached to this email. It will be the Director's decision whether to grant or deny your request. I highly recommend you provide photo points showing where your pictures were taken along Reach 3 of T4 if pursuing the appeal to the Director. Regarding Item #1 above, see response below: -T2 begins at the tree line in the woods and ends at the confluence with Sassarixa Creek. If the agriculture fields fall within the 200' from TOB of the stream call, then those areas will be viable as a Restoration Site and viable for either buffer credit or nutrient offset credit, but not both. Please note, that T2 is shown on the mitigation plan as extending beyond the treeline, which is not consistent with the call made by DWR in the attached stream determination. -T5 (R1) is fully forested with active pasture from TOB-200' and therefore is only viable for buffer enhancement credit. This assessment is final. -T5 (R2-R3) is fully forested with agriculture fields beyond the tree line. if the agriculture fields fall within the 200' from TOB, then those areas will be viable as a Restoration Site and viable for either buffer credit or nutrient offset credit, but not both. This assessment is final -TSA— If the agriculture fields fall within the 200' from TOB, then those areas will be viable as a Restoration Site and viable for either buffer credit or nutrient offset credit, but not both. This assessment is final. -T5C was determined to be a headwater wetland system onsite and was not deemed a stream. The viability assessment is dependent on the IRT approving the area as a Coastal HW Stream, which is interpreted as being approved to use the Headwater Stream Guidance. This feature must comply with 15A NCAC 02B .0295 (o)(2) and therefore, only the buffer areas that are planted will be viable for buffer credit, and that includes just the fields. Therefore, if the agriculture fields fall within the 200' from where the center of the valley is located, then those areas will be viable as a Restoration Site per (o)(2) and viable for buffer credit only. Nutrient offset is not viable adjacent to coastal hw stream sites. This assessment is final. Thank you, Katie APPENDIX 3. 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N o N o 0 tY Ix+x+ ►► Ix+x+ ►► APPENDIX 4. Overview Photographs �I S � .. p � � ,'� 8 F i i ` Sassarixa Swamp Mitigation Site `�' Appendix 4: Overview Photographs Sassarixa Swamp Mitigation Site Appendix 4: Overview Photographs APPENDIX 5. Permit Approvals DocuSign Envelope ID: 4CE48E98-4FE8-448D-B34A-3B6D8E6B9B89 ROY COOPER Governor MICHAEL S. REGAN Secretary S. ❑ANIEL SMITH Director NORTH CAROLINA Environmental Quality June 18, 2020 DWR # 18-0198 Johnston County NC Division of Mitigation Services Attn: Lin Xu 217 West Jones Street Raleigh, North Carolina 27699 Wildlands Engineering, Inc. Attn: Angela Allen 312 West Millbrook Road, Suite 225 Raleigh, North Carolina 27609 Subject: APPROVAL OF 401 WATER QUALITY CERTIFICATION WITH ADDITIONAL CONDITIONS Sassarixa Swamp Mitigation Project Dear Mr. Xu and Ms. Allen: You have our approval for the impacts listed below for the purpose described in your application dated May 20, 2020, received by the Division of Water Resources (Division) May 20, 2020, with subsequent information on June 18, 2020. These impacts are covered by the attached Water Quality General Certification Number 4134 and the conditions listed below. This certification is associated with the use of Nationwide Permit Number 27 once it is issued to you by the U.S. Army Corps of Engineers. Please note that you should get any other federal, state or local permits before proceeding with your project, including those required by (but not limited to) Sediment and Erosion Control, Non -Discharge, and Water Supply Watershed regulations. This approval requires you to follow the conditions listed in the enclosed certification(s) or general permit and the following additional conditions: The following impacts are hereby approved provided that all of the other specific and general conditions of the Certification are met. No other impacts are approved, including incidental impacts. [15A NCAC 02H .0506(b) and/or (c)] ,� North Carolina Department of Environmental Quality I Division of Water Resources 4��AEQ512 North Salisbury Street 1 1617 Mail Service Center Raleigh, North Carolina 27699-1617 o.pv dthr E I.Mftul all r 919,707.9000 DocuSign Envelope ID: 4CE48E98-4FE8-448D-B34A-3B6D8E6B9B89 Sassarixa Swamp DWR# 18 -0198 Page 2 of 4 Type of Impact Amount Approved (units) Permanent Amount Approved (units) Temporary Stream S1 975 (linear feet) 0 (linear feet) S2 0 23 S3 85 0 S4 12 0 S5 354 0 S6 1,036 0 S7 126 0 S8 0 23 S9 947 0 S10 0 51 S11 206 0 S12 0 23 S13 3 0 S14 1,094 0 S15 0 23 Total 4,838 143 404 401 Wetlands W1 0.004 acres 0 acres W2 0 0.006 W3 0 0.308 W4 0.029 0 W5 0 0.002 W6 0.002 0 W7 0 0.033 W8 0.003 0 W9 0.006 0 W10 0 0.023 W11 0 0.020 W12 0.014 0 W13 0 0.031 W14 0.014 0 W15 0 0.036 W16 0.026 0 W17 0 0.002 W18 0.005 0 W19 0 0.001 W20 0.001 0 W21 0 0.037 DocuSign Envelope ID: 4CE48E98-4FE8-448D-B34A-3B6D8E6B9B89 Sassarixa Swamp DWR# 18 -0198 Page 3 of 4 W22 0.012 0 W23 0 0.002 W24 0 0.002 W25 0.003 0 W26 0 0.002 W27 0 0.016 W28 0.006 0 Total 0.125 0.521 Open Water 01 0.91 0 Total 0.91 0 2. This approval is for the purpose and design described in your application. The plans and specifications for this project are incorporated by reference as part of the Certification. If you change your project, you must notify the Division and you may be required to submit a new application package with the appropriate fee. If the property is sold, the new owner must be given a copy of this approval letter and General Certification (s)/Permit/Authorization and is responsible for complying with all conditions. [15A NCAC 02H .0507(d)(2)] 3. The issuance of the 401 Water Quality Certification for the restoration/enhancement project does not represent an approval of credit yield for the project. [15A NCAC 02H .0500(h)] 4. You have our approval for your proposed final stream enhancements/restorations plan. The stream enhancements/restorations must be constructed, maintained, and monitored according to the plans approved by this Office and this Certificate of Coverage. Any repairs or adjustments to the site must be made according to the approved plans or must receive written approval from this Office to make the repairs or adjustments. [15A NCAC 02H .0506(h)] This approval and its conditions are final and binding unless contested. [G.S. 143-215.5] This Certification can be contested as provided in Articles 3 and 4 of General Statute 150B by filing a written petition for an administrative hearing to the Office of Administrative Hearings (hereby known as OAH) within sixty (60) calendar days. A petition form may be obtained from the OAH at http://www.ncoah.com� or by calling the OAH Clerk's Office at (919) 431-3000 for information. A petition is considered filed when the original and one (1) copy along with any applicable OAH filing fee is received in the OAH during normal office hours (Monday through Friday between 8:00am and 5:00pm, excluding official state holidays). DocuSign Envelope ID: 4CE48E98-4FE8-448D-B34A-3B6D8E6B9B89 Sassarixa Swamp DWR# 18 -0198 Page 4 of 4 The petition may be faxed to the OAH at (919) 431-3100, provided the original and one copy of the petition along with any applicable OAH filing fee is received by the OAH within five (5) business days following the faxed transmission. Mailing address for the OAH: Ifsen ding via US Postal Service Office of Administrative Hearings 6714 Mail Service Center Raleigh, NC 27699-6714 Ifsen ding via delivery service (UPS, FedEx, etc): Office of Administrative Hearings 1711 New Hope Church Road Raleigh, NC 27609-6285 One (1) copy of the petition must also be served to Department of Environmental Quality: William F. Lane, General Counsel Department of Environmental Quality 1601 Mail Service Center Raleigh, NC 27699-1601 This letter completes the review of the Division under section 401 of the Clean Water Act. Please contact Erin Davis at 919-817-0360 or erin.davisOncdenr.gov if you have any questions or concerns. Sincerely, DOCUSignn�eJd by: W, 949D91 BA53EF4E0... Paul Wojoski, Supervisor 401 & Buffer Permitting Branch Enclosures: GC 4134 cc: Todd Tugwell, Kim Browning, USACE Raleigh Regulatory Field Office (via email) DWR 401 & Buffer Permitting Branch file Filename: 180198SassarixaSwamp (Johnston)_401_approval_1tr.lune18,2020.docx STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY DIVISION OF WATER RESOURCES WATER QUALITY GENERAL CERTIFICATION NO.4134 GENERAL CERTIFICATION FOR PROJECTS ELIGIBLE FOR US ARMY CORPS OF ENGINEERS • NATIONWIDE PERMIT NUMBER 13 (BANK STABILIZATION), • NATIONWIDE PERMIT NUMBER 27 (AQUATIC HABITAT RESTORATION, ESTABLISHMENT AND ENHANCEMENT ACTIVITIES), AND • REGIONAL GENERAL PERMIT 197800080 (BULKHEADS AND RIP -RAP) Water Quality Certification Number 4134 is issued in conformity with the requirements of Section 401, Public Laws 92-500 and 95-217 of the United States and subject to the North Carolina Regulations in 15A NCAC 02H .0500 and 15A NCAC 02B .0200 for the discharge of fill material to surface waters and wetland areas as described in 33 CFR 330 Appendix A (B) (13 and 27) of the US Army Corps of Engineers regulations and Regional General Permit 197800080. The State of North Carolina certifies that the specified category of activity will not violate applicable portions of Sections 301, 302, 303, 306 and 307 of the Public Laws 92-500 and 95- 217 if conducted in accordance with the conditions hereinafter set forth. Effective date: December 1, 2017 Signed this day: December 1, 2017 By �Z for Linda Culpepper Interim Director GC4134 Activities meeting any one (1) of the following thresholds or circumstances require written approval for a 401 Water Quality Certification from the Division of Water Resources (DWR): a) If any of the conditions of this Certification (listed below) cannot be met; or b) Any permanent fill into or modification of wetlands and/or waters except for single and independent stream stabilization or enhancement projects involving in -stream structures that meet the following criteria: i. Designed based on current natural channel techniques; and ii. In -stream structures do not exceed a spacing of three structures per 100 feet of stream length up to a total of 500 feet of streambank stabilization; or c) Any stream relocation; or d) Complete dewatering and drawdowns to a sediment layer related to pond/dam maintenance or removal; or e) Total temporary and permanent impacts to streambanks of greater than 150 feet for bank stabilization projects when non -natural armoring techniques (e.g. rip -rap, gabion baskets, deflection walls) are utilized; or f) Total temporary and permanent impacts to streambanks of greater than 500 feet for bank stabilization projects when natural techniques (e.g. sloping, vegetation, geolifts) are used; or g) Any permanent impacts to waters, or to wetlands adjacent to waters, designated as: ORW (including SAV), HQW (including PNA), SA, WS-I, WS-II, or North Carolina or National Wild and Scenic River. h) Any permanent impacts to waters, or to wetlands adjacent to waters, designated as Trout except for bank stabilization projects that qualify for a Nationwide Permit #13 provided that: L The total impacts are less than 100 feet in length; ii. The project is not adjacent to any other existing stabilization structures; iii. All conditions of this General Certification can be met, including adherence to any moratoriums as stated in Condition #10; and iv. A Notification of Work in Trout Watersheds Form is submitted to the Division at least 60 days prior to commencement of work; or i) Any permanent impacts to coastal wetlands [15A NCAC 07H .0205], or Unique Wetlands (UWL); or j) Any impact associated with a Notice of Violation or an enforcement action for violation(s) of NC Wetland Rules (15A NCAC 02H .0500), NC Isolated Wetland Rules (15A NCAC 02H .1300), NC Surface Water or Wetland Standards (15A NCAC 026.0200), or State Regulated Riparian Buffer Rules (15A NCAC 02B .0200); or k) Any impacts to subject water bodies and/or state regulated riparian buffers along subject water bodies in the Neuse, Tar -Pamlico, or Catawba River Basins or in the Randleman Lake, Jordan Lake or Goose Creek Watersheds (or any other basin or watershed with State Regulated Riparian Area Protection Rules [Buffer Rules] in effect at the time of application) unless: i. The activities are listed as "EXEMPT" from these rules; or Page 2 of 10 GC4134 ii. A Buffer Authorization Certificate is issued by the NC Division of Coastal Management (DCM); or iii. A Buffer Authorization Certificate or a Minor Variance is issued by a delegated or designated local government implementing a state riparian buffer program pursuant to 143-215.23. Activities included in this General Certification that do not meet one of the thresholds listed above do not require written approval. I. ACTIVITY SPECIFIC CONDITIONS: 1. Any repairs or adjustments to the site shall be made according to the approved plans. Repairs that result in a change from the approved plans must receive written approval from DWR prior to commencement of the repairs. [15A NCAC 02H .0501 and .0502] 2. Written authorization for a compensatory mitigation project does not represent an approval of credit yield for the project. [15A NCAC 02H .0500(h)] 3. For all dam removal projects meeting the definition under G.S. 143-215.25 and requirements under G.S. 143-215.27 of a professionally supervised dam removal, the applicant shall provide documentation that any sediment that may be released has similar or lower level of contamination than sediment sampled from downstream of the dam in accordance with Session Law 2017-145. II. GENERAL CONDITIONS: 1. When written authorization is required, the plans and specifications for the project are incorporated into the authorization by reference and are an enforceable part of the Certification. Any modifications to the project require notification to DWR and may require an application submittal to DWR with the appropriate fee. [15A NCAC 02H .0501 and .05021 2. No waste, spoil, solids, or fill of any kind shall occur in wetlands or waters beyond the footprint of the impacts (including temporary impacts) as authorized in the written approval from DWR; or beyond the thresholds established for use of this Certification without written authorization. [15A NCAC 02H .0501 and .0502] No removal of vegetation or other impacts of any kind shall occur to state regulated riparian buffers beyond the footprint of impacts approved in a Buffer Authorization or Variance or as listed as an exempt activity in the applicable riparian buffer rules. [15A NCAC 02B .0200] Page 3 of 10 GC4134 3. In accordance with 15A NCAC 02H .0506(h) and Session Law 2017-10, compensatory mitigation may be required for losses of greater than 300 linear feet of perennial streams and/or greater than one (1) acre of wetlands. Impacts associated with the removal of a dam shall not require mitigation when the removal complies with the requirements of Part 3 of Article 21 in Chapter 143 of the North Carolina General Statutes. Impacts to isolated and other non-404 jurisdictional wetlands shall not be combined with 404 jurisdictional wetlands for the purpose of determining when impact thresholds trigger a mitigation requirement. For linear publicly owned and maintained transportation projects that are not determined to be part of a larger common plan of development by the US Army Corps of Engineers, compensatory mitigation may be required for losses of greater than 300 linear feet per perennial stream. Compensatory stream and/or wetland mitigation shall be proposed and completed in compliance with G.S. 143-214.11. For applicants proposing to conduct mitigation within a project site, a complete mitigation proposal developed in accordance with the most recent guidance issued by the US Army Corps of Engineers Wilmington District shall be submitted for review and approval with the application for impacts. 4. All activities shall be in compliance with any applicable State Regulated Riparian Buffer Rules in Chapter 2 of Title 15A. 5. When applicable, all construction activities shall be performed and maintained in full compliance with G.S. Chapter 113A Article 4 (Sediment and Pollution Control Act of 1973). Regardless of applicability of the Sediment and Pollution Control Act, all projects shall incorporate appropriate Best Management Practices for the control of sediment and erosion so that no violations of state water quality standards, statutes, or rules occur. [15A NCAC 02H .0506(b)(3) and (c)(3) and 15A NCAC 026.0200]. Design, installation, operation, and maintenance of all sediment and erosion control measures shall be equal to or exceed the requirements specified in the most recent version of the North Carolina Sediment and Erosion Control Manual, or for linear transportation projects, the NCDOT Sediment and Erosion Control Manual. All devices shall be maintained on all construction sites, borrow sites, and waste pile (spoil) sites, including contractor -owned or leased borrow pits associated with the project. Sufficient materials required for stabilization and/or repair of erosion control measures and stormwater routing and treatment shall be on site at all times. For borrow pit sites, the erosion and sediment control measures shall be designed, installed, operated, and maintained in accordance with the most recent version of the North Carolina Surface Mining Manual. Reclamation measures and implementation shall comply with the reclamation in accordance with the requirements of the Sedimentation Pollution Control Act and the Mining Act of 1971. Page 4 of 10 GC4134 If the project occurs in waters or watersheds classified as Primary Nursery Areas (PNAs), SA, WS-I, WS-II, High Quality Waters (HQW), or Outstanding Resource Waters (ORW), then the sedimentation and erosion control designs shall comply with the requirements set forth in 15A NCAC 0413.0124, Design Standards in Sensitive Watersheds. 6. Sediment and erosion control measures shall not be placed in wetlands or waters except within the footprint of temporary or permanent impacts authorized under this Certification. Exceptions to this condition require application to and written approval from DWR. [15A NCAC 02H .0501 and .0502] 7. Erosion control matting that incorporates plastic mesh and/or plastic twine shall not be used along streambanks or within wetlands. Exceptions to this condition require application to and written approval from DWR. [15A NCAC 02B .0201] 8. An NPDES Construction Stormwater Permit (NCG010000) is required for construction projects that disturb one (1) or more acres of land. The NCGO10000 Permit allows stormwater to be discharged during land disturbing construction activities as stipulated in the conditions of the permit. If the project is covered by this permit, full compliance with permit conditions including the erosion & sedimentation control plan, inspections and maintenance, self -monitoring, record keeping and reporting requirements is required. [15A NCAC 02H .0506(b)(5) and (c)(5)] The North Carolina Department of Transportation (NCDOT) shall be required to be in full compliance with the conditions related to construction activities within the most recent version of their individual NPDES (NCS000250) stormwater permit. [15A NCAC 02H .0506(b)(5) and (c)(5)] 9. All work in or adjacent to streams shall be conducted so that the flowing stream does not come in contact with the disturbed area. Approved best management practices from the most current version of the NC Sediment and Erosion Control Manual, or the NC DOT Construction and Maintenance Activities Manual, such as sandbags, rock berms, cofferdams, and other diversion structures shall be used to minimize excavation in flowing water. Exceptions to this condition require application to and written approval from DWR. [15A NCAC 02H .0506(b)(3) and (c)(3)] 10. If activities must occur during periods of high biological activity (e.g. sea turtle nesting, fish spawning, or bird nesting), then biological monitoring may be required at the request of other state or federal agencies and coordinated with these activities. [15A NCAC 02H .0506(b)(2) and 15A NCAC 046 .0125] All moratoriums on construction activities established by the NC Wildlife Resources Commission (WRC), US Fish and Wildlife Service (USFWS), NC Division of Marine Fisheries (DMF), or National Marine Fisheries Service (NMFS) shall be implemented. Exceptions to this condition require written approval by the resource agency responsible for the given moratorium. A copy of the approval from the resource agency shall be forwarded to DWR. Page 5 of 10 GC4134 Work within a designated trout watershed of North Carolina (as identified by the Wilmington District of the US Army Corps of Engineers), or identified state or federal endangered or threatened species habitat, shall be coordinated with the appropriate WRC, USFWS, NMFS, and/or DMF personnel. 11. Culverts shall be designed and installed in such a manner that the original stream profiles are not altered and allow for aquatic life movement during low flows. The dimension, pattern, and profile of the stream above and below a pipe or culvert shall not be modified by widening the stream channel or by reducing the depth of the stream in connection with the construction activity. The width, height, and gradient of a proposed culvert shall be such as to pass the average historical low flow and spring flow without adversely altering flow velocity. [15A NCAC 02H .0506(b)(2) and (c)(2)] Placement of culverts and other structures in streams shall be below the elevation of the streambed by one foot for all culverts with a diameter greater than 48 inches, and 20% of the culvert diameter for culverts having a diameter less than or equal to 48 inches, to allow low flow passage of water and aquatic life. If multiple pipes or barrels are required, they shall be designed to the mimic the existing stream cross section as closely as possible including pipes or barrels at flood plain elevation and/or sills where appropriate. Widening the stream channel shall be avoided. When topographic constraints indicate culvert slopes of greater than 5%, culvert burial is not required, provided that all alternative options for flattening the slope have been investigated and aquatic life movement/connectivity has been provided when possible (e.g. rock ladders, cross vanes, etc.). Notification, including supporting documentation to include a location map of the culvert, culvert profile drawings, and slope calculations, shall be provided to DWR 60 calendar days prior to the installation of the culvert. When bedrock is present in culvert locations, culvert burial is not required provided that there is sufficient documentation of the presence of bedrock. Notification, including supporting documentation such as a location map of the culvert, geotechnical reports, photographs, etc. shall be provided to DWR a minimum of 60 calendar days prior to the installation of the culvert. If bedrock is discovered during construction, then DWR shall be notified by phone or email within 24 hours of discovery. If other site -specific topographic constraints preclude the ability to bury the culverts as described above and/or it can be demonstrated that burying the culvert would result in destabilization of the channel, then exceptions to this condition require application to and written approval from DWR. Page 6 of 10 GC4134 Installation of culverts in wetlands shall ensure continuity of water movement and be designed to adequately accommodate high water or flood conditions. When roadways, causeways, or other fill projects are constructed across FEMA-designated floodways or wetlands, openings such as culverts or bridges shall be provided to maintain the natural hydrology of the system as well as prevent constriction of the floodway that may result in destabilization of streams or wetlands. The establishment of native woody vegetation and other soft stream bank stabilization techniques shall be used where practicable instead of rip -rap or other bank hardening methods. 12. Bridge deck drains shall not discharge directly into the stream. Stormwater shall be directed across the bridge and pre-treated through site -appropriate means to the maximum extent practicable (e.g. grassed swales, pre -formed scour holes, vegetated buffers, etc.) before entering the stream. Exceptions to this condition require application to and written approval from DWR. [15A NCAC 02H .0506(b)(5)] 13. Application of fertilizer to establish planted/seeded vegetation within disturbed riparian areas and/or wetlands shall be conducted at agronomic rates and shall comply with all other Federal, State and Local regulations. Fertilizer application shall be accomplished in a manner that minimizes the risk of contact between the fertilizer and surface waters. [15A NCAC 026 .0200 and 15A NCAC 026 .0231] 14. If concrete is used during construction, then all necessary measures shall be taken to prevent direct contact between uncured or curing concrete and waters of the state. Water that inadvertently contacts uncured concrete shall not be discharged to waters of the state. [15A NCAC 02B .0200] 15. All proposed and approved temporary fill and culverts shall be removed and the impacted area shall be returned to natural conditions within 60 calendar days after the temporary impact is no longer necessary. The impacted areas shall be restored to original grade, including each stream's original cross sectional dimensions, planform pattern, and longitudinal bed profile. For projects that receive written approval, no temporary impacts are allowed beyond those included in the application and authorization. All temporarily impacted sites shall be restored -and stabilized with native vegetation. [15A NCAC 02H 0506(b)(2) and (c)(2)] 16. All proposed and approved temporary pipes/culverts/rip-rap pads etc. in streams shall be installed as outlined in the most recent edition of the North Carolina Sediment and Erosion Control Planning and Design Manual or the North Carolina Surface Mining Manual or the North Carolina Department of Transportation Best Management Practices for Construction and Maintenance Activities so as not to restrict stream flow or cause dis-equilibrium during use of this Certification. [15A NCAC 02H .0506(b)(2) and (c)(2)] Page 7 of 10 GC4134 17. Any rip -rap required for proper culvert placement, stream stabilization, or restoration of temporarily disturbed areas shall be restricted to the area directly impacted by the approved construction activity. All rip -rap shall be placed such that the original stream elevation and streambank contours are restored and maintained. Placement of rip -rap or other approved materials shall not result in de -stabilization of the stream bed or banks upstream or downstream of the area or in a manner that precludes aquatic life passage. [15A NCAC 02H .0506(b)(2)] 18. Any rip -rap used for stream or shoreline stabilization shall be of a size and density to prevent movement by wave, current action, or stream flows and shall consist of clean rock or masonry material free of debris or toxic pollutants. Rip -rap shall not be installed in the streambed except in specific areas required for velocity control and to ensure structural integrity of bank stabilization measures. [15A NCAC 02H .0506(b)(2)] 19. Applications for rip -rap groins proposed in accordance with 15A NCAC 07H .1401 (NC Division of Coastal Management General Permit for construction of Wooden and Rip -rap Groins in Estuarine and Public Trust Waters) shall meet all the specific conditions for design and construction specified in 15A NCAC 07H .1405. 20. All mechanized equipment operated near surface waters shall be inspected and maintained regularly to prevent contamination of surface waters from fuels, lubricants, hydraulic fluids, or other toxic materials. Construction shall be staged in order to minimize the exposure of equipment to surface waters to the maximum extent practicable. Fueling, lubrication and general equipment maintenance shall be performed in a manner to prevent, to the maximum extent practicable, contamination of surface waters by fuels and oils. [15A NCAC 02H .0506(b)(3) and (c)(3) and 15A NCAC 02B .0211 (12)] 21. Heavy equipment working in wetlands shall be placed on mats or other measures shall be taken to minimize soil disturbance. [15A NCAC 02H .0506 (b)(3) and (c)(3)] 22. In accordance with 143-215.85(b), the applicant shall report any petroleum spill of 25 gallons or more; any spill regardless of amount that causes a sheen on surface waters; any petroleum spill regardless of amount occurring within 100 feet of surface waters; and any petroleum spill less than 25 gallons that cannot be cleaned up within 24 hours. 23. If an environmental document is required under the State Environmental Policy Act (SEPA), then this General Certification is not valid until a Finding of No Significant Impact (FONSI) or Record of Decision (ROD) is issued by the State Clearinghouse. If an environmental document is required under the National Environmental Policy Act (NEPA), then this General Certification is not valid until a Categorical Exclusion, the Final Environmental Assessment, or Final Environmental Impact Statement is published by the lead agency. [15A NCAC 01C .0107(a)] Page 8 of 10 GC4134 24. This General Certification does not relieve the applicant of the responsibility to obtain all other required Federal, State, or Local approvals before proceeding with the project, including those required by, but not limited to, Sediment and Erosion Control, Non - Discharge, Water Supply Watershed, and Trout Buffer regulations. 25. The applicant and their authorized agents shall conduct all activities in a manner consistent with State water quality standards (including any requirements resulting from compliance with §303(d) of the Clean Water Act), and any other appropriate requirements of State and Federal Law. If DWR determines that such standards or laws are not being met, including failure to sustain a designated or achieved use, or that State or Federal law is being violated, or that further conditions are necessary to assure compliance, then DWR may revoke or modify a written authorization associated with this General Water Quality Certification. [15A NCAC 02H .0507(d)] 26. The permittee shall require its contractors and/or agents to comply with the terms and conditions of this permit in the construction and maintenance of this project, and shall provide each of its contractors and/or agents associated with the construction or maintenance of this project with a copy of this Certification. A copy of this Certification, including all conditions shall be available at the project site during the construction and maintenance of this project. [15A NCAC 02H .0507 (c) and 15A NCAC 02H .0506 (b)(2) and (c)(2)] 27. When written authorization is required for use of this Certification, upon completion of all permitted impacts included within the approval and any subsequent modifications, the applicant shall be required to return a certificate of completion (available on the DWR website: https://edocs.deg.nc.gov/Forms/Certificate-of-Completion). [15A NCAC 02H .0502(f)] 28. Additional site -specific conditions, including monitoring and/or modeling requirements, may be added to the written approval letter for projects proposed under this Water Quality Certification in order to ensure compliance with all applicable water quality and effluent standards. [15A NCAC 02H .0507(c)] 29. If the property or project is sold or transferred, the new permittee shall be given a copy of this Certification (and written authorization if applicable) and is responsible for complying with all conditions. [15A NCAC 02H .0501 and .0502] III. GENERAL CERTIFICATION ADMINISTRATION: 1. In accordance with North Carolina General Statute 143-215.3D(e), written approval for a 401 Water Quality General Certification must include the appropriate fee. An applicant for a CAMA permit under Article 7 of Chapter 113A of the General Statutes for which a water quality Certification is required shall only make one payment to satisfy both agencies; the fee shall be as established by the Secretary in accordance with 143-215.3D(e)(7). Page 9 of 10 GC4134 2. This Certification neither grants nor affirms any property right, license, or privilege in any waters, or any right of use in any waters. This Certification does not authorize any person to interfere with the riparian rights, littoral rights, or water use rights of any other person and this Certification does not create any prescriptive right or any right of priority regarding any usage of water. This Certification shall not be interposed as a defense in any action respecting the determination of riparian or littoral rights or other rights to water use. No consumptive user is deemed by virtue of this Certification to possess any prescriptive or other right of priority with respect to any other consumptive user regardless of the quantity of the withdrawal or the date on which the withdrawal was initiated or expanded. 3. This Certification grants permission to the Director, an authorized representative of the Director, or DWR staff, upon the presentation of proper credentials, to enter the property during normal business hours. [15A NCAC 02H .0502(e)] 4. This General Certification shall expire on the same day as the expiration date of the corresponding Nationwide Permit and/or Regional General Permit. The conditions in effect on the date of issuance of Certification for a specific project shall remain in effect for the life of the project, regardless of the expiration date of this Certification. This General Certification is rescinded when the US Army Corps of Engineers reauthorizes any of the corresponding Nationwide Permits and/or Regional General Permits or when deemed appropriate by the Director of the Division of Water Resources. 5. Non-compliance with or violation of the conditions herein set forth by a specific project may result in revocation of this General Certification for the project and may also result in criminal and/or civil penalties. 6. The Director of the North Carolina Division of Water Resources may require submission of a formal application for Individual Certification for any project in this category of activity if it is deemed in the public's best interested or determined that the project is likely to have a significant adverse effect upon water quality, including state or federally listed endangered or threatened aquatic species, or degrade the waters so that existing uses of the water or downstream waters are precluded. History Note: Water Quality Certification (WQC) Number 4134 issued December 1, 2017 replaces WQC March 3, 2017; WQC 3885 issued March 19, 2012; WQC Number 3689 issued November 1, 2007; WQC Number 3626 issued March 19, 2007; WQC Number 3495 issued December 31, 2004; and WQC Number 3399 issued March 2003. Page 10 of 10 U.S. ARMY CORPS OF ENGINEERS WILMINGTON DISTRICT Action Id. SAW-2018-00432 County: Johnston U.S.G.S. Quad: Four Oaks GENERAL PERMIT (REGIONAL AND NATIONWIDE) VERIFICATION Permittee:NC Division of Mitigation Services Permittee: Wildlands Engineering, Inc. Attn: Mr. Tim Baumgartner Attn: Angela Allen Address: 217 West Jones Street, Suite 3000A Address: 312 W. Millbrook Rd, Ste 225 Raleigh, North Carolina 27603 Raleigh, NC 27609 Telephone:919-707-8319 Telephone: 919-851-9986 Size (acres) 61.4 acres Nearest Waterway Black Creek USGS HUC 03020201 Nearest Town Four Oaks River Basin Neuse River Latitude: 35.473294 °N Longitude -78.437318°W Location description: The NCDMS 6.97-acre Sassarixa Swamp Mitigation Site is located at 160 Old Olive Road, Smithfield, Johnston County, North Carolina. Waters on site drain into Sassarixa Creek and Black Creek, both are within the Neuse River Basin. Description of projects area and activity: The co -applicants, NCDMS and Wildlands Engineering, Inc. have requested a Department of the Army permit authorization to discharge dredged and/or fill material into waters of the United States associated with the NCDMS Sassarixa Swamp Mitigation Site. Implementation of the proposed restoration and enhancement activities will result in the discharge of fill material into 4981 linear feet of stream channel, and 0.646 acres of wetlands associated with mechanized land clearing, excavation, placement of fill material, and stream relocation activities for the mitigation site. Compensatory mitigation is NOT required in conjunction with the aforementioned activities. Refer to the enclosed Table 1 for a detailed summary of impacts Applicable Law: ®Section 404 (Clean Water Act, 33 USC 1344) ❑ Section 10 (Rivers and Harbors Act, 33 USC 403) Authorization: Regional General Permit Number and/or Nationwide Permit Number: NWP 27 — Aquatic Habitat Restoration, Enhancement, and Establishment Activities SEE ATTACHED RGP or NWP GENERAL, REGIONAL AND SPECIAL CONDITIONS Your work is authorized by the above referenced permit provided it is accomplished in strict accordance with the attached conditions and your submitted application and attached information dated May 20, 2020. Any violation of the attached conditions or deviation from your submitted plans may subject the permittee to a stop work order, a restoration order, a Class I administrative penalty, and/or appropriate legal action. This verification will remain valid until the expiration date identified below unless the nationwide and/or regional general permit authorization is modified, suspended or revoked. If, prior to the expiration date identified below, the nationwide and/or regional general permit authorization is reissued and/or modified, this verification will remain valid until the expiration date identified below, provided it complies with all requirements of the modified nationwide permit. If the nationwide and/or regional general permit authorization expires or is suspended, revoked, or is modified, such that the activity would no longer comply with the terms and conditions of the nationwide permit, activities which have commenced (i.e., are under construction) or are under contract to commence in reliance upon the nationwide and/or SAW-2018-00432 regional general permit, will remain authorized provided the activity is completed within twelve months of the date of the nationwide and/or regional general permit's expiration, modification or revocation, unless discretionary authority has been exercised on a case -by -case basis to modify, suspend or revoke the authorization. Activities subject to Section 404 (as indicated above) may also require an individual Section 401 Water Quality Certification. You should contact the NC Division of Water Resources (telephone 919-807- 6300) to determine Section 401 requirements. For activities occurring within the twenty coastal counties subject to regulation under the Coastal Area Management Act (CAMA), prior to beginning work you must contact the N.C. Division of Coastal Management in Morehead City, NC, at (252) 808-2808. This Department of the Army verification does not relieve the permittee of the responsibility to obtain any other required Federal, State or local approvals/permits. If there are any questions regarding this verification, any of the conditions of the Permit, or the Corps of Engineers regulatory program, please contact Kimberly Browning, 919.554.4884 x60. Corps Regulatory Official: Date: June 30, 2020 Expiration Date of Verification: March 18, 2022 SAW-2018-00432 Table 1. Authorized discharge of fill material into waters of the United States in association with the NCDMS Sassarixa Swamp Mitigation Site (SAW-2018-00432). Stream Impacts 3a. Reson%rImpadA ti 3b-Impect type 4 3c type of impact- 3d- S name —. Stream rype' -f Pyy� .:,+ I3q- 5 wYdth � 3h.Impact { JLJIisdlcGon I length' J S1 : ream PernEmwnl Other T1 krwittem 18ath 3 975 ReRtnox%Em wnoerreni Avs.7. Rrer; iinW j Terr xery Other Ti Y rrdVemi Soih 3 Resiarwt weEn#rancen•an1 A Rner) s�tady { Stream Pemmwnt OtMF T1A Ni� Sash $ BS II IY' ff Restar wryEnhancenwii A'/ IreLj) f*uff ruff) 54 mean Pemmnenl Other Tis kTemNBKA Both 3 12 Re6brafixW134encemeni Aweag fed) iivrlttl5 $ straeam Pemanenl Other T2 Memt5tent ISo1h 3 HA RemmfiDwEnhanaermnt A.aipplrm) (hwf* g� StreamRelamtw PerrraTMenl Podcatbn T3 Perennial 13;ath 4 I'm S7 ffEnhst3—nl Other d Perenrdel EA �1ZS �PemkRnEcl SS $beam Enhano?rnwE Ta renrriel Both 23 Ayaag�fx9� i4drlai7 Srq 9beern Pemmnenl Rekcakw T1 NrKmial Both 3 947 PgdxaroonErrhanoemeni A. RM!'- 0earuti1 Sid Stream EnhanoemBnt err xery Other Pereuml I A 3 Aweano-{f:C� 5l iikxrreetj S11 strwam Enhancement Permanent �OLhr 5A InteMOL—m iBam 5 206 S12 Shawn EnhsnDik L TanpxEiry Qther TEA hrtarmt6ent Ban 2a Jw.n � . nici' f4Yyrlhd) T5C IIIflntermlferd Both d 3 Stream Enhartmer ON Per anent Rip Rep Fill � I I i�l+�kX lr�xl� iibfie� gy;Sh., Pemunanl Rekc4mn T6 PerennialBoth d 1111.081 Re5tarahontEnrancermnt dtisr; dou, gis Stream 1ff:: Other 8 rl Both d I. F-- ReelorauaRUFn#ranaemeni tiaapR fed) Total Stream Impacts: Permanent- 4,838 LF, Temporary-143 LF SAW-2018-00432 Wetland Impacts -. Saks' l% Zal lfiaran"•:i J. -_I.tr�pe' 1t.T arw-' W. n.mr' 2F. Fbnrtrdi .� er .In W1 I2d. 1 'I— h'otla-c A •-r• �a*rro�nk yuokV. v FYa3wxbr Faaea 004 prEM03ffM FM�,ra ter. FaDodr— Ta" T FMilngSwarp Fared Mlrla{: ID Potn Iwourdr 'a• +3�ih 0 4C* 3G3 I—: Rood Wn•raob.} hm•#--Y T F•ea3nele-Fwaak 1 W. Aakoatn P Faa mw,FaraW %W WeC L, T-14 'Nair, 3 FMOZWn W2cffiQ r FfomMowFarraJ NUUWKF ow ,rwn ,. I •1�iY. FYekrfftl[n P hirFcem A2 /"5 WatLwwF -r• 7 ra pw.F-5' Qonoril; T HaaJvjnr Rmir WOILar G .41 0 ow frW"Fl WW". Nam arwn �,aac FTakrumn P JL— HLbSiEW Faw 0 we /.0 WaKarc G }r• W RAk.R6n P a Hwlwa;, Farm Wi3f.& -P +�r 0 (K)5 +.Salo SWhi'rF' rn• 3yr, OD23 7tl RoaMWnnW.a T rh"-Lvm*tad Faradd 51 R -dp6tn °ab43 T a HaMrxd Farad watlaro i Watlard 1 .�: �-� 0= Flaki� F �PA.3dwirb^ FaroIt 014 .3 RDoftWnq T WaNuldi l .s Gam 0031 cr000m [hml--_ForQw RoLQurnr. F Fi>.adddnwF3M9 FAM96-0i — 014 `.5 RDoftain yowq T Rost Wa1Lrc L V112 53tn T 036 'riA{ 56 Rdkk LrwL P FcnW Watlar n L �•I 0 Crd• T7 FloodW ri gmnr a T rHo-M�MAGdor FCMW M hyga d 8 — lh I CO2 .a F:IooftWnQodnq P F'aao+MkB-FbroSt walk" GG "isG Rain {US *tl F4-dpWn :r—.g � T - — FQ zst Wahar a Vy �Yns I I C. p{•" AiY• ] PJAWNbM P Hmmml ,R" WalLyovv nth 0:.-1 1• _ RDWUM WQMG an�p T F'iodvW Faroe w �IYas I i .S-dn 09D-f �NaNe. wM Fhkmwllan P Faco'aldw• Feed• %%WLYd YY — l N2 Ro dryaln qm" T Wdbc i x YbS hi 0 ow -24 FDorL n,7-& WFawd Aktum E Yrs 8otn D oln /!—, Rolo w P HYrlvaWrFond Watlacdf IfkL r aln I ""r. 30:n 'Cos C. {{2 WrA Sraonmo* grod" T Haadvark, Fbroc Watlaro Ee �I .,+{ wM Ro�ftgin fM*12 T Fflxduor•Fa'asJ Waha•7.3FF �ac OME, SAW-2018-00432 ta. Fat IMildw F= kffh �}4E TOTAL WETLAND IMPACTS: Permanent- 0.125 ac, Temporary- 0.521 ac Impacts are associated with aquatic resource restoration and enhancement activities and are expected to result in a net gain in Waters of the US. SPECIAL CONDITIONS 1. The permittee understands and agrees that the document entitled "Mitigation Plan — FINAL Sassarixa Swamp MitigationPlan" dated November 2019, and received May 20, 2020 is incorporated and made part of this permit. Execution of the work and terms given in the approved mitigation plan are a condition of this permit. 2. This Nationwide Permit verification does not imply suitability of this property for compensatory mitigation for any particular project. The use of any portion of this site as compensatory mitigation for a particular project will be determined during the permit review process for that project. SAW-2018-00432 COMPLIANCE CERTIFICATION Action ID Number: SAW-2018-00432 County: Johnston Permittee: NC Division of Mitigation Services Wildlands Engineering, Inc. Attn: Mr. Tim Baumgartner Attn: Angela Allen Project Name: NCDMS Sassarixa Swamp Mitigation Site Date Verification Issued: June 30, 2020 Project Manager: Kim Browning Upon completion of the activity authorized by this permit and any mitigation required by the permit, sign this certification and return it to the following address: US ARMY CORPS OF ENGINEERS WILMINGTON DISTRICT Regulatory Division Mitigation Office Attn: Kim Browning 3331 Heritage Trade Drive, Suite 105 Raleigh, NC 27587 Please note that your permitted activity is subject to a compliance inspection by a U. S. Army Corps of Engineers representative. Failure to comply with any terms or conditions of this authorization may result in the Corps suspending, modifying or revoking the authorization and/or issuing a Class I administrative penalty, or initiating other appropriate legal action. I hereby certify that the work authorized by the above referenced permit has been completed in accordance with the terms and condition of the said permit, and required mitigation was completed in accordance with the permit conditions. Signature of Permittee Date ROY COOPER MICHAEL S. REGAN bc, refur y BRIAN WRENN lc tiny Drr. - r r NORTH CAROLINA Environmental Quality July 6, 2020 LETTER OF APPROVAL Wildlands Engineering, Inc. ATTN: John Hutton, Vice President 1430 S Mint Street, Suite 104 Charlotte, NC 28203 RE: Project Name: Sassarixa Swamp Mitigation Site Project ID: JOHNS-2020-013 Approved Acres: 45.39 County: Johnston, City: Smithfield, Address: Old Olive Road River Basin: Neuse, Stream Classification: Other Submitted By: Wildlands Engineering, Inc. Date Received by LQS: July 1, 2020 Plan Type: Revised Dear Mr. Hutton: The subject erosion and sedimentation control plan has been approved. The enclosed Certificate of Approval must be posted at the job site. This plan approval shall expire three (3) years following the date of approval, if no land -disturbing activity has been undertaken, as is required by Title 15A NCAC 413.0129. As of April 1, 2019, all new construction activities are required to complete and submit an electronic Notice of Intent (cNOI) form requesting a Certificate of Coverage (COC) under the NCG010000 Construction General Permit. After the Form is reviewed and found to be complete, you will receive a link with payment instructions for the $100 annual permit fee. After the fee is received, you will receive the COC via email. You MUST obtain the COC prior to commencement of any land disturbing activity. The eNOI form may be accessed at deq.nc.goy/NCGOI. Please direct questions about the eNOI form to Annette Lucas at Annette.Lucas a,ncdenr.,,-lo or Paul Clark at Paul.Clark a,ncdenngov. If the owner./operator of this project changes in the future, the new responsible party is required to apply for his.'her own COC. Title 15A NCAC 413 .0118(a) and the NCG01 permit require that the following documentation be kept on file at the job site: I. The approved E&SC plan as well as any approved deviation. 2. The NCGO 1 permit and the COC, once it is received. 3. Records of inspections made during the previous 12 months. Nurth Carolina Deparintent of En,,Ironmental Qusll;% D %iYinn ut Crscrg}. hilncral snd Lai Id Ves;)urces Ralrgit Rrgiorial(7flu r 108 Ala l.Scrrire ( rr trr MOO Bvin It Dri%v Ralrigh North ('arnlina 276010 Letter of Approval Wildlands Engineering, Inc. July 6, 2020 Page 2 of 2 Also, this letter gives the notice required by G.S. i 13A-61.1(a) of our right of periodic inspection to insure compliance with the approved plan. Title 15A NCAC 4B .0113(a) requires that a copy of the approved erosion control plan be on file at the job site. Also, this letter gives the notice required by G.S. 113A-61.1(a) of our right of periodic inspection to insure compliance with the approved plan. North Carolina's Sedimentation Pollution Control Act is performance -oriented, requiring protection of existing natural resources and adjoining properties. If, following the commencement of this project, it is determined that the erosion and sedimentation control plan is inadequate to meet the requirements of the Sedimentation Pollution Control Act of 1973 (North Carolina General Statute 1 13A-51 through 66), this office may require revisions to the plan and implementation of the revisions to ensure compliance with the Act. Acceptance and approval of this plan is conditioned upon your compliance with Federal and State water quality laws, regulations, and rules. In addition, local city or county ordinances or rules may also apply to this land -disturbing activity. This approval does not supersede any other permit or approval. Please note that this approval is based in part on the accuracy of the information provided in the Financial Responsibility Form, which you provided. You are requested to file an amended form if there is any change in the information included on the form. This permit allows for a land -disturbance, as called for on the application plan, not to exceed the approved acres. Exceeding the acreage will be a violation of this permit and would require a revised plan and additional application fee. In addition, it would be helpful if you notify this office of the proposed starting date for this project. Please notify us if you plan to have a preconstruction conference. Your cooperation is appreciated. Sincerely, 6 ! J_��_j* Sally Castle, El Regional Engineering Associate Land Quality Section Enclosures: Certificate of Approval NPDES NCGO1 Fact Sheet cc: Angela Allen, PE (aalleni,wildlandseng.com) - Electronic Copy Regional Office File APPENDIX 6. 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C y p O v aj aj C m .40 U 'U m UA . a a Q E vN 2 _ m [ E E 3 k ] a § E d 0. § k > ai § ( f 14 a k d 7 7 7 kn f f f \ \ \ 7 7 7 kn CL to f to \ \ \ / / / § § 00 § 7 7 7 7 CL w > £ > £ > £ £ \ \ \ \ | | | | ) )))) ) ) )))) ) ) )))) ) ) )))) ) VEGETATION PLOT PHOTOGRAPHS FIXED VEG PLOT 1(311112021) 1 FIXED VEG PLOT 2 (311112021) 1 FIXED VEG PLOT 3 (311112021) 1 FIXED VEG PLOT 4 (311112021) 1 FIXED VEG PLOT 5 (311112021) FIXED VEG PLOT 6 (311112021) ft Sassarixa Swamp Mitigation Site Appendix 6: Vegetation Plot Data —Vegetation Plot Photographs W FIXED VEG PLOT 7 (311112021) 1 FIXED VEG PLOT 8 (311112021) 1 FIXED VEG PLOT 9 (311112021) FIXED VEG PLOT 10 (311112021) I Sassarixa Swamp Mitigation Site W Appendix 6: Vegetation Plot Data —Vegetation Plot Photographs ID#* 20180198 Version* 1 Select Reviewer:* Katie Merritt Initial Review Completed Date 07/29/2021 Mitigation Project Submittal - 7/29/2021 Is this a Prospectus, Technical Proposal or a New Site?* r Yes r No Type of Mitigation Project:* r Stream r Wetlands W Buffer r- Nutrient Offset (Select all that apply) Project Contact Information Contact Name:* Jeremiah Dow Project Information ................................................................................................................................................................................. ID#:* 20180198 Existing IDY Project Type: r DMS r Mitigation Bank Project Name: Sassarixa Swamp Mitigation Site County: Johnston Document Information Email Address:* jeremiah.dow@ncdenr.gov Version: *1 Existing Version Mitigation Document Type:* Mitigation As -Built Plans File Upload: SassarixaSwamp_100040_BufferMYO_2021.pdf 9.67MB Rease upload only one RDFcf the conplete file that needs to be subnitted... Signature Print Name:* Jeremiah Dow Signature:* ID#* 20180198 Version* 1 Select Reviewer:* Katie Merritt Initial Review Completed Date 07/29/2021 Mitigation Project Submittal - 7/29/2021 Is this a Prospectus, Technical Proposal or a New Site?* r Yes r No Type of Mitigation Project:* V Stream r Wetlands W Buffer r- Nutrient Offset (Select all that apply) Project Contact Information Contact Name:* Jeremiah Dow Project Information ................................................................................................................................................................................. ID#:* 20180198 Existing IDY Project Type: r DMS r Mitigation Bank Project Name: Sassarixa Swamp Mitigation Site County: Johnston Document Information Email Address:* jeremiah.dow@ncdenr.gov Version: *1 Existing Version Mitigation Document Type:* Mitigation As -Built Plans File Upload: SassarixaSwamp_100040_MYO_2021.pdf 56.81MB Rease upload only one RDFcf the conplete file that needs to be subnitted... Signature Print Name:* Jeremiah Dow Signature:* Buffer Baseline Monitoring Report July 2021 SASSARIXA SWAMP MITIGATION SITE Johnston County, NC NCDEQ Contract No. 7425 DMS ID No. 100040 DWR Project Number 2018-0198 Neuse River Basin HUC 03020201 RFP #: 16-007279 :1:74L10:111go] ' i NC Department of Environmental Quality Division of Mitigation Services 1652 Mail Service Center Raleigh, NC 27699-1652 PREPARED FOR: PREPARED BY: BUFFER BASELINE MONITORING REPORT SASSARIXA SWAMP MITIGATION SITE Johnston County, NC NCDEQ Contract No. 7425 DMS ID No. 100040 Neuse River Basin HUC 03020201 NC Department of Environmental Quality Division of Mitigation Services 1652 Mail Service Center Raleigh, NC 27699-1652 Wft., WILDLANDS E N G I N E E R I N G Wildlands Engineering, Inc. 312 West Millbrook Road, Suite 225 Raleigh, NC 27609 Phone: (919) 851-9986 This Baseline Monitoring Plan has been written in conformance with the requirements of the following: • 15A NCAC 02B .0295 Mitigation Program Requirements for Protection and Maintenance of Riparian Buffers. • NCDEQ Division of Mitigation Services In -Lieu Fee Instrument signed and dated July 28, 2010. These documents govern DMS operations and procedures for the delivery of compensatory mitigation. Contributing Staff: Angela Allen, Project Manager Greg Turner, Construction Administrator John Hutton, Principal in Charge Carolyn Lanza, Monitoring Lead Jason Lorch, Baseline Monitoring Plan Andrea Eckardt, Lead Quality Assurance TABLE OF CONTENTS 1.0 Mitigation Project Summary ...................................................... 1.1 Project Goals................................................................................ 1.2 Pre -construction Site Conditions ................................................. 2.0 Determination of Credits........................................................... 3.0 Baseline Summary..................................................................... 3.1 Parcel Preparation....................................................................... 3.2 Riparian Area Restoration Activities ............................................ 3.3 Riparian Area Enhancement Activities ........................................ 3.4 Riparian Area Preservation Activities .......................................... 4.0 Annual Monitoring and Performance Criteria ............................. 4.1 Vegetation................................................................................... 4.2 Overview Photographs................................................................ 4.3 Visual Assessments...................................................................... 4.4 Annual Reporting Performance Criteria ...................................... 4.5 Maintenance and Contingency Plans .......................................... 5.0 References................................................................................ APPENDICES Appendix 1 General Figures and Tables Figure 1 Vicinity Map Figure 2 Service Area Map Figure 3 Project Component/Asset Map Figure 4 Monitoring Plan View Map Key Figure 4a-c Monitoring Plan View Map Table 1 Buffer Project Attributes Table 2a Mitigation Credits Table 2b Total Area of Buffer and Nutrient Offset Mitigation Table 3 Monitoring Components ...........................................1 .............................................. 1 .............................................. 1 ...........................................2 ...........................................2 .............................................. 2 .............................................. 3 .............................................. 3 .............................................. 3 ...........................................3 .............................................. 4 .............................................. 4 .............................................. 4 .............................................. 4 .............................................. 4 ...........................................6 Appendix 2 DWR Correspondence NC DWR - Site Viability for Buffer Mitigation and Nutrient Offset Letter — May 21, 2018 NC DWR - Site Viability for Buffer Mitigation and Nutrient Offset Letter — April 3, 2019 Sassarixa Technical Memo — DWR Response — August 19, 2019 Appendix 3 As -Built Survey Appendix 4 Overview Photographs Appendix 5 Permit Approvals Appendix 6 Vegetation Plot Data Table 4 Vegetation Plot Data Table 5 Vegetation Performance Standards Summary Table Vegetation Plot Photographs Sassarixa Swamp Mitigation Site Buffer Baseline Monitoring Report - Final DMS ID No. 100040 Page i July 2021 Mitigation Project Summary The Sassarixa Swamp Mitigation Site (Site) is a riparian restoration project located in Johnston County approximately six miles southwest of Smithfield and five miles north of Four Oaks (Figure 1). Figure 2 depicts the service area of the Site which does not include the Falls Lake watershed in the Neuse River Basin. A conservation easement comprised of 65.06 acres along Sassarixa Creek and seven unnamed tributaries to Sassarixa Creek, along with six unnamed tributaries to Black Creek was recorded on the Site (Figure 3). Before construction, the Site was characterized by a mix of active pastures, fields, and woodlands. The project is expected to generate 1,080,282.590 riparian buffer credits. The Site is within Hydrologic Unit Code (HUC) 03020201130030 and North Carolina Department of Water Resources (NCDWR) Sub -basin 03-04-04. The Site drains to Holts Lake, which is a recreational lake classified as Nutrient Sensitive Waters (NSW). Holts Lake then drains to the Neuse River, which is a water supply for the City of Goldsboro. 1.1 Project Goals The Sassarixa Swamp Mitigation Site is located in a new Targeted Local Watershed (TLW) that is not described in the 2010 Neuse River Basin Restoration Priorities (RBRP) Plan. The TLW was added in the 2015 Neuse 01 Cataloging Unit (CU) Update because there were more water quality issues than assets. The Site addresses the TLW stressors of agricultural land use/animal operations and the lack of protected riparian areas. The project will also address key CU wide restoration goals for the Neuse River 03020201 described in the RBRP (NC DWR 2009). Specific enhancements to water quality and ecological processes are outlined below: • Decrease nutrient levels - Nutrient input will be decreased by filtering runoff from the agricultural fields through restored native buffer zones. The off -site nutrient input will also be absorbed on -site by dispersing flood flows through native vegetation, thereby reducing nutrient inputs to waters of the Neuse River Basin. • Exclude cattle from project streams. - Install fencing around project areas adjacent to cattle pastures. • Decrease water temperature and increase dissolved oxygen concentrations - Establishment and maintenance of riparian buffers will create additional long-term shading of the channel flow to reduce thermal pollution. • Restore and enhance native floodplain vegetation - Plant native tree species in riparian zone where currently insufficient. • Permanently protect the Site from harmful uses - Establish a conservation easement on the Site. Protect aquatic habitat; protecting water supply waters. 1.2 Pre -construction Site Conditions Before construction, the 65.06-acre project was a mix of active pastures, fields, and woodlands along Sassarixa Creek and thirteen unnamed tributaries that drain into the Holts Lake watershed, which is part of the Neuse River Basin. Sassarixa Creek, T3, T4, T5, and T6 are all perennial streams; while T1, T1A, T1B, TIC, T1D, T2, TSa, TSb, and T5c are intermittent streams. The riparian buffer project attributes are listed in Table 1, located in Appendix 1. The project includes several adjacent properties that have been owned and operated as a livestock farm by a single family since 1850, where livestock are continually rotated through all fields (with access to their associated streams). The western portion of the project includes Sassarixa Creek and seven unnamed tributaries to Sassarixa Creek (T1, T1A, T1B, TIC, T1D, T2, and T3) (Figure 2). The eastern Sassarixa Swamp Mitigation Site Buffer Baseline Monitoring Report - Final DMS ID No. 100040 Page 1 July 2021 portion of the site contains six unnamed tributaries to Black Creek (T4, T5, T5A, T513, T5C, and T6). A review of historic aerials from 1950 to 2012, showed that onsite streams have existed in their approximate locations with very little change to riparian zones since 1950. Two alterations to the Site visible from aerial photography are the addition of the pond on T2 between 1964 and 1973, and the addition of the large pond below T5A, T513, and T5C, between 1950 and 1961. On February 9, 2018 (dated May 21, 2018), NCDWR conducted on -site determinations to review features and land use within the project boundary. In March 2019 Ms. Sam Dailey, with USACE, determined two additional features, T1B and TIC, within the project boundary as intermittent channels, resulting in an additional NCDWR site -viability letter dated April 3, 2019. The resulting NCDWR site viability letters and map confirming the Site as suitable for riparian buffer and nutrient offset mitigation are located in Appendix 2. Sassarixa Swamp and the seven unnamed tributaries along with six additional unnamed tributaries to Black Creek were determined to be appropriate for buffer and nutrient offset mitigation as related to the rules set forth in the Neuse Buffer Mitigation Rules: Mitigation Program Requirements for Protection and Maintenance of Riparian Buffers (15A NCAC 02B .0295) and Neuse River Basin: Nutrient Sensitive Waters Management Strategy: Protection and Maintenance of Existing Riparian Buffers (15A NCAC 02B .0233). Determination of Credits The project is expected to generate 1,080,282.590 riparian buffer credits, through buffer restoration, buffer enhancement via cattle exclusion, coastal headwater buffer restoration per the Consolidated Buffer Mitigation Rules (15A NCAC 02B 0.0295 (o)(2)) and buffer preservation per the Consolidated Buffer Mitigation Rules (15A NCAC 02B 0.0295 (o)). There is also potential to convert some buffer credits to nutrient offset credits, dependent on the need. Mitigation credits are presented in Tables 2a and 2b and illustrated in Figure 3 (Appendix 1). Calculations are based upon the as -built survey included in Appendix 3. Since approval of the Mitigation Plan, there have been some minor changes to credits. The final conservation easement changed resulting in a 0.04-acre subtraction to credits being claimed. Accuracy of survey and excluding wetland outlet features that were not planted account for an additional 2.68- acre subtraction. 3.0 Baseline Summary The Wildlands Team restored riparian areas along Sassarixa Creek and seven unnamed tributaries to Sassarixa Creek, along with six unnamed tributaries to Black Creek on the Site. The buffer and nutrient offset mitigation took place in conjunction with Sassarixa Swamp Stream Mitigation Project. The project design ensured that no adverse impacts to existing riparian areas occurred. Figure 3 illustrates the as - built conditions for the Site. Detailed descriptions of the restoration activity follow in Sections 3.1 through 3.4. Overview site photographs are included in Appendix 4. 3.1 Parcel Preparation Prior to stream construction, the Site was a mix of active pastures, fields, and woodlands. The pond along T2 was removed as part of the stream restoration. During stream construction, invasive plants were targeted and removed to reduce native competition. Soil amendments were added to certain graded areas after construction as directed by soil test results. Amendments included agricultural lime, slow release fertilizer, and soil conditioners (humic acid, organic material, soil biota stimulants). Haul roads and other high trafficked areas were also ripped to a depth of 18" where possible to reduce soil Sassarixa Swamp Mitigation Site Buffer Baseline Monitoring Report - Final DMS ID No. 100040 Page 2 July 2021 compaction. The approved regulatory permits for the stream mitigation project are included in Appendix 5. 3.2 Riparian Area Restoration Activities The vegetation plan for the riparian restoration area included permanent seeding and planting bare root trees. These vegetation efforts were coupled with the select treatment of invasive species to control their population. The species composition planted was selected based on the desired community type, occurrence of species in riparian areas adjacent to the Site, and best professional judgement. The total number of tree species planted across the buffer areas are as follows: willow oak (Quercus phellos) 1,379 stems, American sycamore (Platanus occidentalis) 1,907 stems, river birch (Betula nigra) 1,907 stems, water oak (Quercus nigra) 551 stems, swamp chestnut oak (Quercus michauxii) 1,396 stems, eastern cottonwood (Populus deltoides) 540 stems, box elder (Acer negundo) 1,350 stems, sweetbay magnolia (Magnolia virginiana) 463 stems, cherrybark oak (Quercus pagoda) 66 stems, American Elm (Ulmus alata) 33 stems, and black willow (Salix nigra) 33 stems. In total, 9,619 stems were planted across the site. Trees were planted at a density sufficient to meet the performance standards outlined in the Rule 15A NCAC 02B .0295 of 260 trees per acre at the end of five years. An appropriate seed mix was applied as necessary to provide temporary ground cover for soil stabilization and reduction of sediment loss during rain events in disturbed areas. This was followed by an appropriate permanent seed mixture. Tree planting was completed in March 2021. Vegetation management and herbicide applications will be implemented as needed during tree establishment in the restoration areas to prevent establishment of invasive species that could compete with the planted native species. 3.3 Riparian Area Enhancement Activities Fencing was used to exclude cattle throughout the project as allowed by 15A NCAC 02B .0295(o) and minimal work was done on the streams through the enhancement areas. The enhancement areas have been protected in perpetuity under a conservation easement. Vegetation management and herbicide applications were implemented prior to construction along existing forested areas to prevent the spread of invasive species that could compete with planted native species. Dense Chinese privet (Ligustrum sinense) and trifoliate orange (Citrus trifoliata) was removed along Sassarixa Creek. Sporadic trees of Bradford pear (Pyrus calleryana), tree -of -heaven (Ailanthus altissima), and princess tree (Paulownia tomentosa) were removed along T4 and T5. Invasive species will continued to be monitored and controlled as necessary. 3.4 Riparian Area Preservation Activities No work was done in the buffer preservation areas, as allowed under 15A NCAC 02B .0295(o). The preservation area has been protected in perpetuity under a conservation easement. Annual Monitoring and Performance Criteria The performance criteria for the Site follows approved performance criteria presented in the guidance documents outlined in Request for Proposal (RFP) 16-007279 and the Consolidated Buffer Rule (15A NCAC 02B .0295). Annual monitoring and semi-annual site visits will be conducted to assess the condition of the finished project. The riparian restoration project has been assigned specific performance criteria components for vegetation that will be evaluated throughout the five-year post - construction monitoring for buffer restoration, buffer enhancement, cattle exclusion, and buffer preservation and seven-year post -construction monitoring for coastal headwater buffers. An outline of Sassarixa Swamp Mitigation Site Buffer Baseline Monitoring Report - Final DMS ID No. 100040 Page 3 July 2021 the performance criteria and monitoring components follows. Monitoring components are included in Table 3 and vegetation plots are depicted in Figure 4 (Appendix 1). 4.1 Vegetation Performance Standards for the Site will be based on the health and survival of a minimum density of 260 trees per acre after five years of monitoring, with a minimum of four native hardwood tree or shrub species composition and no one species comprising more than 50 percent of stems. Coastal headwater buffers will be visually assessed for seven years of monitoring. Height, visual assessment of damage, and vigor will be used as indicators of overall health. Desirable volunteer species may be included to meet the success criteria upon DWR approval. The extent of invasive species coverage will also be monitored and treated as necessary throughout the required five-year monitoring period. Ten fixed 100 square meter vegetation monitoring quadrants were installed across the Site to measure the survival of the planted stems (Figure 4). Vegetation monitoring resulted in a stem density range of 445 to 648 planted stems per acre (Table 4). Vegetation monitoring follows the CVS-EEP Level 2 Protocol for Recording Vegetation (2008). All planted stems were marked with flagging tape and a reference photograph was taken from the southwestern corner of each vegetation plot during vegetation assessments. Each year, trees will be re -marked and plot photos will be taken along with overview photographs of the Site. Appendix 6 includes the baseline (MYO) vegetation plot data and vegetation performance standards summary tables, as well as plot photographs. 4.2 Overview Photographs Photographs will be taken within the project area once a year to visually document stability for five years following construction. Baseline overview photographs are included in Appendix 4. 4.3 Visual Assessments Visual assessments should support the performance standards for each metric as described above. Visual assessments will be performed within the Site on a semi-annual basis during the five-year monitoring period. Problem areas with vegetative health will be noted (e.g. low stem density, vegetation mortality, invasive species, or encroachment). Areas of concern will be mapped and photographed accompanied by a written description in the annual report. Problem areas will be re-evaluated during each subsequent visual assessment. 4.4 Annual Reporting Performance Criteria Using the Division of Mitigation Services (DMS) Riparian Buffer and Nutrient Offset Buffer Baseline and Annual Monitoring Report Template version 2.0 (2017), monitoring reports will be prepared in the fall of each monitoring year and submitted to DMS. The monitoring period will extend five years beyond completion of construction or until performance criteria have been met. For coastal headwater buffer restoration areas under Rule 15A NCAC 02B .0295 (o)(2) the success for coastal headwaters vegetation is dependent on the success of the coastal headwater system (T5C). As stated in the NCDMS Sassarixa Swamp Mitigation Plan, visual monitoring will take place for seven years to insure T5C stays a coastal headwater and will be reported in the annual Monitoring Reports. A technical memorandum will be used to document the success of T5C and the coastal headwater buffers for Monitoring Year 6 and 7. This will be included in the Appendix of the NCDMS Sassarixa Swamp Annual Monitoring Report. 4.5 Maintenance and Contingency Plans The conservation easement has been properly and accurately marked by adding witness posts with easement placards along the easement boundary and at every corner. Adaptive management will be performed during the monitoring years to address minor issues as necessary. If during annual Sassarixa Swamp Mitigation Site Buffer Baseline Monitoring Report - Final DMS ID No. 100040 Page 4 July 2021 monitoring it is determined the project's ability to achieve performance standards are jeopardized, Wildlands will notify and work with the DMS/NCDWR to develop contingency plans and remedial actions. Any actions implemented will be designed to achieve the success criteria specified previously and will include a work schedule and updated monitoring criteria (if applicable). Sassarixa Swamp Mitigation Site Buffer Baseline Monitoring Report - Final DMS ID No. 100040 Page 5 July 2021 References Breeding, R. 2010. Neuse River Basin Restoration Priorities. North Carolina Ecosystem Enhancement Program. Accessed at: https:Hfiles.nc.gov/ncdeq/Mitigation%20Services/Watershed_Planning/Neuse_River_Basin/FINAL%2 ORBRP%20Neuse%202010_%2020111207%2000RRECTED.pdf Lee, M.T., Peet, R.K., Roberts, S.D., & Wentworth, T.R. 2008. CVS-EEP Protocol for Recording Vegetation Version 4.2. Accessed at: http://cvs.bio.unc.edu/protocol/cvs-eep-protocol-v4.2-lev1-2.pdf Natural Resources Conservation Service (NRCS), 2011. Web Soil Survey. Accessed at: http://websoiIsurvey.nres.usda.gov/app/HomePage.htm North Carolina Department of Environmental Quality, Division of Mitigation Services (NCDMS). 2017. Riparian Buffer and Nutrient Offset Buffer Baseline and Annual Monitoring Report Template version 2.0 Accessed at: https:Hfiles.nc.gov/ncdeq/Mitigation%20Services/Document%20Management%20Library/Guidance% 20and%20Template%20Documents/RB_NO_Base_Mon_Template_2.0_2017_5.pdf North Carolina Department of Environmental Quality, Division of Water Resources (NCDWR). 2000. 15A NCAC 02B .0233 Neuse River Basin: Nutrient Sensitive Waters Management Strategy: Protection and Maintenance of Existing Riparian Buffers. Accessed at: http://reports.oah.state.nc.us/ncac/title%2015a%20- %20environmental%20quality/chapter%2002%20- %20environmental%20management/subchapter%20b/15a%20ncac%2002b%20.0233.pdf North Carolina Department of Environmental Quality, Division of Water Resources (NCDWR). 2015. 15A NCAC 02B .0295 Mitigation Program Requirements for Protection and Maintenance of Riparian Buffers. Accessed at: http://reports.oah.state.nc.us/ncac/title%2015a%20- %20environmental%20quality/chapter%2002%20- %20environmental%20management/subchapter%20b/15a%20ncac%2002b%20.0295.pdf North Carolina Department of Environmental Quality, Division of Water Resources (NCDWR). 2011. Surface Water Classifications. Accessed at: https://deq.nc.gov/about/divisions/water- resources/planning/classification-standards/classifications#DWRPrimaryClassification Wildlands Engineering, Inc. (2020). Sassarixa Swamp Mitigation Site — Riparian Buffer Mitigation Plan. North Carolina Department of Environmental Quality, Division of Mitigation Services (NCDMS), Raleigh, NC. Sassarixa Swamp Mitigation Site Buffer Baseline Monitoring Report - Final DMS ID No. 100040 Page 6 July 2021 APPENDIX 1. General Figures and Tables 9 Q p �Ss��f r x ti J 03020201150010 r Y L J 0� tY. C] h03020201130030 5 .. 1�oark�1?9 I'011, Rci - Project Location Hydrologic Unit Code (14-Digit) DIMS Targeted Local Watersheds i Country • - of John Eaun Ho Its Lake 03020201140010 �` / Four Vziks��` Directions: From Raleigh take I-40 E. Take exit 319 for NC-210 toward Smithfield/Angier. Turn left onto NC-210 E (signs for Smithfield). Continue on NC-210 E for 2.4 miles and turn right onto Lassiter Roads. After 4.6 miles, turn left onto Black Creek Road. Continue on Black Creek Road for 0.7 miles and then turn right onto Old Olive Road. The first parcel is 0.1 mile on the right of Old Olive Road. The other parcels are at various locations further down Old Olive Road. Figure 1. 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" k \ O � k # ■ � 0 ƒ w a" m r LU 0 aj � m � / : z k � 0 K \ ■ � k 2 k 0 / a Ln E _ 0 04-1 _ r C4 C / 0 \ f E �: 1 B ( k 7 m r, ƒ ƒ E E E E LL f f f � « _ 0 QLn m C ® E ~ � _j > � 0 LL u § � » � ° § § k S / k § § 2 k � 5 v 2 ■ j 2 . a a x APPENDIX 2. DWR Correspondence worer Resources rhlL lt.I►r "LNI AIL Q+IA& iY ROY COOPER MICHAEL S. R EO AN LINDA CULPEPPER i h !iHl i )i+r � �111 May 21, 2018 John Hutton DWR ID# 2018-0198 Wildlands Engineering, Inc. Johnston County 312 West Millbrook Rd, Suite 225 Raleigh, NC 27609 (via electronic mail: 'huttonru)wildlandsen .com ) Re: Site Viability for Buffer Mitigation and Nutrient Offset & Buffer- Sassarixa Swamp Site 2-162 Olive Rd, Smithfield, NC Neuse 03020201 (not in Falls WS) Dear Mr. Hutton, On February 9, 2018, Katie Merritt, with the Division of Water Resources (DWR), received a request from Wildlands Engineering, Inc. (WEI) for an onsite mitigation determination near the above - referenced site (Site). The Site is located in the Neuse River Basin within the 8-digit Hydrologic Unit Code 03020201. The Site is being proposed as part of a full -delivery stream and riparian buffer mitigation project for the Division of Mitigation Services (RFP #16-007279). Members of the Interagency Review Team (IRT) and Division of Mitigation Services were also present onsite. At your request, on February 23, 2018, Ms. Merritt performed an onsite assessment of riparian land uses adjacent to streams onsite, which are shown on the attached map labeled "Figure 6A,% Ms. Merritt's evaluation of the features and their associated mitigation determination for the riparian areas are provided in the table below. The evaluation was made from Top of Bank (TOB) out to 200' from each existing or proposed feature for buffer mitigation pursuant to 15A NCAC 02B .0295 (effective November 1, 2015) and for nutrient offset credits pursuant to 15A NCAC 02B .0240. Feature Classification 'Subject Riparian land uses Buffer Nutrient Mitigation Tyne Determination Win doarian areas to Buffer 0jacent to proposed Credit Offset Credit Rule Feature 0-200 Viable Viable at 2,273 Ibs acre T1A Stream No Forested pasture Yes° Yes (non- Enhancement Site per 15A NCAC 02B .0295 (o) @ DWR flag actively grazed by forested (61 cattle areas only) T1 Stream Yes Forested & Non- Yesd Yes (non- Fields - Restoration Site per 15A NCAC 02B forested pasture forested .0295 (n) actively grazed by areas only) Cattle Forested Areas - Enhancement Site per 15A NCAC 026 .0295 Rol (6) Sassarixa Stream Yes Forested pasture Yes' No Forested Areas - Enhancement Site per 15A Creek grazed by cattle NCAC 02B .0295 joj (6) (R2-R3) No cattle observed in riparian areas below R-3 (see map) State of North 0mlins I Pnvironmentai Quality Water Resoa=N 1617 Mail Service Center Raleigh_ North Carolina 21699.1617 911) 807 6300 Sassarixa Swamp Site Wildlands Engineering, Inc May 21, 2018 Feature Classification 'Subject Riparian Land uses Buffer 2Nutrient M_ itigation Type Determination w/in riparian to Suffer areas adjacent to proposed Credit Offset Credit Rule Feature 0-200' Viable Viable at 2,273 Ibs acre T2 Pond Pond (not in No Agriculture No No N/A line) T2 Stream Yes (starts in the Yes° No Forested Areas - Enhancement Site per 15A (inside wovdline) NCAC 02B .0295 (o) (6) woodline) Forested pasture grazed by cattle T3 (R1) Ditch No Left Bank - Hay crop No Yes Restoration Ste per 15A NCAC 02B .0295 (n) fields Right Bank -Non- forested pasture grazed by cattle T3 (112) Ephemeral No Left Bank- hay crop 'Yes3.5 Yes (non- Forested Areas - Preservation Site per 15A fields and forest forested NCAC 02B .0295 (o)(7) Right Bank -a narrow areas anly) fringe of forested i fields - Restoration Site per 15A NCAC 02B areas; fields are .0295 (o)(7) actively grazed by cattle. "Must meet additional requirements under .0295 (o)(7) to be viable for buffer mitigotion T3 (113) Stream Yes Forested, no cattle Yes' No Preservation Site per 15A NCAC 02B .0295 present (o)(5) T4 (R1) Stream Yes Partial canopy Yes4 Yes Buffer Mitigation - Enhancement Site per 15A forested pasture NCAC 02B .0295 (o) (6) actively grazed by cattle Nutrient Offset - Enhancement Site per 15A NCAC 0 2 B .0295 (n) (planting required) T4 (112) Strearn Yes Partial canopy Yes° Yes Buffer Mitigation - Enhancement Site per 15A forested pasture NCAC 02B .0295 (o) (6) actively grazed by cattle Nutrient Offset- Enhancement Site per 15A NCAC 02B .0295 (n) (planting required) T4 (R3) Wetiand/ No Forested No No N/A Inconsistent channelization T5 (R1) Stream Yes Full -canopy forested Yes" No Enhancement Site per 15A NCAC 02B .0295 (a) pasture actively (6) grazed by cattle T5 Stream Yes Right Bank- Forested Yes' Yes (field Forested Areas - Preservation Site per 15A (R2-R3) Left Bank- mostly onlyf NCAC 02B (o)(5) forested with a crop field Fields - Restoration Site per 15A NCAC 026 .0295 (n) Sassarixa Swamp Site Wildlands Engineering, Inc May 21, 2018 Feature Classification 'Subiect Riparian Land uses Buffer 2Nutrient Mitigation Type_ Determination w/in riparian adjacent to proposed areas to Buffer Credit Offset Credit Rule Feature 10-200'1 Viable Viable at 2,273 ks acre T5A Stream No Full -canopy forested Yes° Na Fnhancement5ite pet I5A NCAC 026 .0295 (o) pasture actively (6y grazed by cattle with adjacent ag fields T5A Wetland No Full -canopy forested (see No Mitigation ion Note: Wetland (imparts from pasture actively note) Proposing stream restoration to reconnect T5A (see map) cattle in TS grazed by cattle stream throughout. If stream restoration is stream approved by the IRTand a stream channel is resulted in o constructed, then the new riparian areas will wetland] be viable as an Enhancement Site per 15A NCAC 02S .0295 (o) (6) T56 Stream Yes Fuli-canopy forested Yes° No Enhancement Site per 15A NCAC 02B .0295 to) pasture actively (6) grazed by cattle T5C Headwater No Full canopy forested "Yes No fields - Restoration Site per 15A NCAC 02B Stream/ pasture surrounded by (fields .0295 (02) Wetland agriculture fields only) complex "Must be approved by the 1RT as a Coastal Headwo ter Stream Mitigation Site to be viable for credit. T6 Stream Yes Combination of Yes° Yes (field Fields - Restoration Site per 15A NCAC 02B forested pasture and only) .0295 (n) agriculture fields Forested Areas - Enhancement Site per 15A NCAC 026.0295 (o) (6) 'Subjectivity calls for the features were determined by DM R in correspondence dated April 5, 2018 and April 6. 2018 using the 1:24.000 scale quadrangle topographic neap prepared by USGS and the most recent printed version of the soil survey map prepared by the MRCS. z NC Division of Water Resources - lilelhodology and Calculationsfor determining Nutrient Reductions associated with Riparian Buffer Establishment 'The area of preservation credit within a buffer mitigation site shall comprise of no more than 25 percent (25%) of the total area of buffer mitigation per 15A NCAC 0295 (c)(5) and 15A NCAC 0295 (o)(4). Site cannot be a Preservation only site to comply with this rule. 'The area described as an Enhancement Site was assessed and determined to comply with all of 15A NCAC 02B .0295(o)(6). 'The area of the mitigation site on ephemeral channel shall comprise no more than 25 percent (25%) of the total area of buffer mitigation per 15A NCAC 02B .0295 (o)(7), Maps that are attached to this letter were provided by WEI and were initialed by Ms. Merritt on May 21, 2018. This letter should be provided in all stream, wetland, buffer and/or nutrient offset mitigation plans for this Site. This letter does not constitute an approval of this site to generate mitigation credits. Pursuant to 15A NCAC 02B .0295, a mitigation proposal and a mitigation plan shall be submitted to DVVR for written approval prior to conducting any mitigation activities in riparian areas and/or surface waters for buffer mitigation credit. Pursuant to 15A NCAC 02B .0240, a proposal regarding a proposed nutrient Sassarixa Swamp Site Wildlands Engineering, Inc May 21, 2018 load -reducing measure for nutrient offset credit shall be submitted to DWR for approval prior to any mitigation activities in riparian areas and/or surface waters. All vegetative plantings, performance criteria and other mitigation requirements for riparian restoration, enhancement and preservation must follow the requirements in 15A NCAC 02B .0295 to be eligible for buffer and/or nutrient offset mitigation credits. For any areas depicted as not being viable for nutrient offset credit above, one could propose a different measure, along with supporting calculations and sufficient detail to support estimates of load reduction, for review by the DWR to determine viability for nutrient offset in accordance with 15A NCAC 02B .0240. This viability assessment will expire on May 21, 2020 or upon the submittal of an As -Built Report to the ❑WR, whichever comes first. Please contact Katie Merritt at (919)-807-6371 if you have any questions regarding this correspondence. Sincerely, Karen Higgins, Supervisor 401 and Buffer Permitting Branch KAH/kni Attachments: Figure bA cc; File Copy (Katie Merritt) DMS — Jeff Schaffer (via electronic mail) � 4 2r LL" ROY COOPER Governor MICHAEL S. PEGAN Secretary LINDA CULPEPPER Director Angela Allen Wildlands Engineering, Inc. 312 West Millbrook Rd, Suite 225 NORTH CAROLINA Environmental Quality April 3, 2019 Raleigh, NC 27609 (via electronic mail: aallenLa),wildlandseng.com ) DWR ID# 2018-0198 Johnston County Re: Site Viability for Buffer Mitigation and Nutrient Offset & Buffer- Sassarixa Swamp (T1) 2-162 Olive Rd, Smithfield, NC Neuse 03020201 (not in Falls WS) Dear Ms. Allen, On February 20, 2019, Katie Merritt, with the Division of Water Resources (DWR), received a request from you on behalf of Wildlands Engineering, Inc (WEI) to evaluate the potential for riparian buffer mitigation and nutrient offset on two additional features on the subject site. Features labeled T I B and TIC on the attached map labeled "Figure 3a Site Map" were evaluated by Sam Dailey with the US Army Corps of Engineers in March 2019 and these features were determined to be at least intermittent channels. The Site is also being proposed as part of a full -delivery stream and riparian buffer mitigation project for the Division of Mitigation Services (RFP #16-007279). Ms. Merritt's evaluation of the features and their associated mitigation determination for the riparian areas are provided in the table below. This evaluation was made from Top of Bank (TOB) and landward 200' from each feature for buffer mitigation pursuant to 15A NCAC 02B .0295 (effective November 1, 2015) and for nutrient offset credits pursuant to 15A NCAC 02B .0240. North Carolina Department of Environmental Quality } Division of Water Resources 5I2 North Salisbury Street 1 1617 Malt Service Center l Raleigh. North Carolina 27699-1617 �0-ft r 919,707.9000 5assarixa (T113, T1Q Site Wildiands Engineering, Inc. April 3, 2019 Featur 0assification 1 u 'ect Riparian Land use Buffer r dit ?Nutrient Mitigation Type Determination to adjacent to Feature Offset wjin riparian areas -2003 Buffer viable Viable at 2,273.02 Rule l -N per acre Tl B Stream No Combination of forested and 4Yes Yes (non- Fields - Restoration Site per 15A non -forested pasture actively forested NCAC 02B .0295 (o)(3) grazed by cattle areas only) Forested Areas - Enhancement Site per 15A NCAC 02B .0295 (o) (6) TIC Stream No Forested pasture actively 'Yes Yes (ag Fields - Restoration Site per 15A grazed by cattle; ag fields at fields only) NCAC 02B .0295 (o)(3) the upstream portion Forested Areas - Enhancement Site per 15A NCAC 02B .0295 (o) (6) 'Subjectivity calls for the features were determined by DWR in correspondence dated March 21, 2019 using the 1:24,000 scale quadrangle topographic map prepared by 11SGS and the most recent printed version of the soil survey map prepared by the NRCS . '- NC Division of Water Resources - Methodology and Calculations for determining Nutrient Reductions associated with Riparian Buffer Estahlishment 3The area of preservation credit within a buffer mitigation site shall comprise of no more than 25 percent (25%) of the total area of buffer mitigation per 15A NCAC 0295 (o)(5) and 15A NCAC 0295 (o)(4). Site cannot be a Preservation Only site to comply with this rule. 4The area described as an Enhancement Site was assessed and determined to comply with all I SA NCAC 02B .0295(o)(6). Cattle exclusion fencing is required to be installed around the mitigation area to get buffer credit under this part of the rule. 'The area of the mitigation site on ephemeral channels shall comprise no more than 25 percent (25%) of the total area of buffer mitigation per 15A NCAC 02B .0295 (o)(7). Cattle exclusion fencing is required to be installed around the mitigation area to get buffer credit under this part of the rule. Maps that are attached to this letter were prepared by WEI and initialed by Ms. Merritt on April 3, 2019. This letter should be provided in all stream and wetland, buffer and/or nutrient offset mitigation plans for this Site. This letter does not constitute an approval of this site to generate mitigation credits. Pursuant to 15A NCAC 02B .0295, a mitigation proposal and a mitigation plan shall be submitted to DWR for written approval prior to conducting any mitigation activities in riparian areas and/or surface waters for buffer mitigation credit. Pursuant to 15A NCAC 02B .0240, a proposal regarding a proposed nutrient load -reducing measure for nutrient offset credit shall be submitted to DWR for approval prior to any mitigation activities in riparian areas and/or surface waters. All vegetative plantings, performance criteria and other mitigation requirements for riparian restoration, enhancement and preservation must follow the requirements in 15A NCAC 02B .0295 to be eligible for buffer and/or nutrient offset mitigation credits. For any areas depicted as not being viable for nutrient offset credit above, one could propose a different measure, along with supporting calculations and sufficient detail to support estimates of load reduction, for review by the DWR to determine viability for nutrient offset in accordance with 15A NCAC 02B .0240. This viability assessment will expire on April 3, 2021 or upon the submittal of an As -Built Report to the DWR, whichever comes first. This letter should be provided in all stream, wetland or buffer mitigation plans for this Site. Page 2 of 3 Sassarixa (T1B, T1Q Site Wildlands Engineering, Inc. April 3, 2019 Please contact Katie Merritt at (919) 707-3637 if you have any questions regarding this correspondence. Sincerely, KAH/km Attachments: Figure 3a cc: File Copy (Katie Merritt) �,, Karen Higgins, Supervisor 401 and Buffer Permitting Branch Page 3 of 3 y_ •} �' f b _w- , - From: Merritt, Katie To: Anaela Allen Cc: Dow. Jeremiah J; Woioski. Paul A Subject: RE: [External] RE: Sassarixa Technical Memo- DWR response Date: Monday, August 19, 2019 01:56:00 PM Hey Angela, You may send it do Paul Wojoski, same address as indicated on the letter. From: Angela Allen [mailto:aallen@wild landseng.com] Sent: Monday, August 19, 2019 1:51 PM To: Merritt, Katie <katie.merritt@ncdenr.gov> Cc: Dow, Jeremiah J <jeremiah.dow@ncdenr.gov>; Wojoski, Paul A <Paul.Wojoski@ncdenr.gov> Subject: [External] RE: Sassarixa Technical Memo- DWR response External email. Do not click links or open attachments unless you verify. Send all suspicious email as an Fachment to report.spam(@nc.gov Katie, Thank you for your thorough and timely review of this. I wanted to confirm whose attention I should make the appeal out to for the T4 call change. Andrea Eckardt mentioned Karen had temporarily been working another role. Thank you, Angela From: Merritt, Katie <katie.merrittPncdenr.Rov> Sent: Friday, August 16, 2019 4:48 PM To: Angela Allen <aallenPwildlandseng.com> Cc: Dow, Jeremiah J <ieremiah.dowPncdenr.gov>; Wojoski, Paul A <Paul.Woioski(@ncdenr.gov> Subject: Sassarixa Technical Memo- DWR response Hey Angela, In the mitigation plan for Sassarixa Creek, I received a memo from you dated July 22, 2019 requesting two things: 1) Request for T2, T5, T5A and T5C to be considered viable for buffer restoration and nutrient offset credits in areas of active cattle pasture 2) Request for Reclassification of T4 Reach 3 from a wetland to a jurisdictional stream Regarding Item #2 above, the rule requires that you must submit an appeal to the Director of the Division of Water Resources. However, this request was provided to me in a mitigation plan. Therefore, I am unable to process your request for Item #2. You can submit your appeal request to the DWR by following the appeal process outlined in the letter attached to this email. It will be the Director's decision whether to grant or deny your request. I highly recommend you provide photo points showing where your pictures were taken along Reach 3 of T4 if pursuing the appeal to the Director. Regarding Item #1 above, see response below: -T2 begins at the tree line in the woods and ends at the confluence with Sassarixa Creek. If the agriculture fields fall within the 200' from TOB of the stream call, then those areas will be viable as a Restoration Site and viable for either buffer credit or nutrient offset credit, but not both. Please note, that T2 is shown on the mitigation plan as extending beyond the treeline, which is not consistent with the call made by DWR in the attached stream determination. -T5 (R1) is fully forested with active pasture from TOB-200' and therefore is only viable for buffer enhancement credit. This assessment is final. -T5 (R2-R3) is fully forested with agriculture fields beyond the tree line. if the agriculture fields fall within the 200' from TOB, then those areas will be viable as a Restoration Site and viable for either buffer credit or nutrient offset credit, but not both. This assessment is final -TSA— If the agriculture fields fall within the 200' from TOB, then those areas will be viable as a Restoration Site and viable for either buffer credit or nutrient offset credit, but not both. This assessment is final. -T5C was determined to be a headwater wetland system onsite and was not deemed a stream. The viability assessment is dependent on the IRT approving the area as a Coastal HW Stream, which is interpreted as being approved to use the Headwater Stream Guidance. This feature must comply with 15A NCAC 02B .0295 (o)(2) and therefore, only the buffer areas that are planted will be viable for buffer credit, and that includes just the fields. Therefore, if the agriculture fields fall within the 200' from where the center of the valley is located, then those areas will be viable as a Restoration Site per (o)(2) and viable for buffer credit only. Nutrient offset is not viable adjacent to coastal hw stream sites. This assessment is final. Thank you, Katie APPENDIX 3. 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N o N o 0 tY Ix+x+ ►► Ix+x+ ►► APPENDIX 4. Overview Photographs �I S � .. p � � ,'� 8 F i i ` Sassarixa Swamp Mitigation Site `�' Appendix 4: Overview Photographs Sassarixa Swamp Mitigation Site Appendix 4: Overview Photographs APPENDIX 5. Permit Approvals DocuSign Envelope ID: 4CE48E98-4FE8-448D-B34A-3B6D8E6B9B89 ROY COOPER Governor MICHAEL S. REGAN Secretary S. ❑ANIEL SMITH Director NORTH CAROLINA Environmental Quality June 18, 2020 DWR # 18-0198 Johnston County NC Division of Mitigation Services Attn: Lin Xu 217 West Jones Street Raleigh, North Carolina 27699 Wildlands Engineering, Inc. Attn: Angela Allen 312 West Millbrook Road, Suite 225 Raleigh, North Carolina 27609 Subject: APPROVAL OF 401 WATER QUALITY CERTIFICATION WITH ADDITIONAL CONDITIONS Sassarixa Swamp Mitigation Project Dear Mr. Xu and Ms. Allen: You have our approval for the impacts listed below for the purpose described in your application dated May 20, 2020, received by the Division of Water Resources (Division) May 20, 2020, with subsequent information on June 18, 2020. These impacts are covered by the attached Water Quality General Certification Number 4134 and the conditions listed below. This certification is associated with the use of Nationwide Permit Number 27 once it is issued to you by the U.S. Army Corps of Engineers. Please note that you should get any other federal, state or local permits before proceeding with your project, including those required by (but not limited to) Sediment and Erosion Control, Non -Discharge, and Water Supply Watershed regulations. This approval requires you to follow the conditions listed in the enclosed certification(s) or general permit and the following additional conditions: The following impacts are hereby approved provided that all of the other specific and general conditions of the Certification are met. No other impacts are approved, including incidental impacts. [15A NCAC 02H .0506(b) and/or (c)] ,� North Carolina Department of Environmental Quality I Division of Water Resources 4��AEQ512 North Salisbury Street 1 1617 Mail Service Center Raleigh, North Carolina 27699-1617 o.pv dthr E I.Mftul all r 919,707.9000 DocuSign Envelope ID: 4CE48E98-4FE8-448D-B34A-3B6D8E6B9B89 Sassarixa Swamp DWR# 18 -0198 Page 2 of 4 Type of Impact Amount Approved (units) Permanent Amount Approved (units) Temporary Stream S1 975 (linear feet) 0 (linear feet) S2 0 23 S3 85 0 S4 12 0 S5 354 0 S6 1,036 0 S7 126 0 S8 0 23 S9 947 0 S10 0 51 S11 206 0 S12 0 23 S13 3 0 S14 1,094 0 S15 0 23 Total 4,838 143 404 401 Wetlands W1 0.004 acres 0 acres W2 0 0.006 W3 0 0.308 W4 0.029 0 W5 0 0.002 W6 0.002 0 W7 0 0.033 W8 0.003 0 W9 0.006 0 W10 0 0.023 W11 0 0.020 W12 0.014 0 W13 0 0.031 W14 0.014 0 W15 0 0.036 W16 0.026 0 W17 0 0.002 W18 0.005 0 W19 0 0.001 W20 0.001 0 W21 0 0.037 DocuSign Envelope ID: 4CE48E98-4FE8-448D-B34A-3B6D8E6B9B89 Sassarixa Swamp DWR# 18 -0198 Page 3 of 4 W22 0.012 0 W23 0 0.002 W24 0 0.002 W25 0.003 0 W26 0 0.002 W27 0 0.016 W28 0.006 0 Total 0.125 0.521 Open Water 01 0.91 0 Total 0.91 0 2. This approval is for the purpose and design described in your application. The plans and specifications for this project are incorporated by reference as part of the Certification. If you change your project, you must notify the Division and you may be required to submit a new application package with the appropriate fee. If the property is sold, the new owner must be given a copy of this approval letter and General Certification (s)/Permit/Authorization and is responsible for complying with all conditions. [15A NCAC 02H .0507(d)(2)] 3. The issuance of the 401 Water Quality Certification for the restoration/enhancement project does not represent an approval of credit yield for the project. [15A NCAC 02H .0500(h)] 4. You have our approval for your proposed final stream enhancements/restorations plan. The stream enhancements/restorations must be constructed, maintained, and monitored according to the plans approved by this Office and this Certificate of Coverage. Any repairs or adjustments to the site must be made according to the approved plans or must receive written approval from this Office to make the repairs or adjustments. [15A NCAC 02H .0506(h)] This approval and its conditions are final and binding unless contested. [G.S. 143-215.5] This Certification can be contested as provided in Articles 3 and 4 of General Statute 150B by filing a written petition for an administrative hearing to the Office of Administrative Hearings (hereby known as OAH) within sixty (60) calendar days. A petition form may be obtained from the OAH at http://www.ncoah.com� or by calling the OAH Clerk's Office at (919) 431-3000 for information. A petition is considered filed when the original and one (1) copy along with any applicable OAH filing fee is received in the OAH during normal office hours (Monday through Friday between 8:00am and 5:00pm, excluding official state holidays). DocuSign Envelope ID: 4CE48E98-4FE8-448D-B34A-3B6D8E6B9B89 Sassarixa Swamp DWR# 18 -0198 Page 4 of 4 The petition may be faxed to the OAH at (919) 431-3100, provided the original and one copy of the petition along with any applicable OAH filing fee is received by the OAH within five (5) business days following the faxed transmission. Mailing address for the OAH: Ifsen ding via US Postal Service Office of Administrative Hearings 6714 Mail Service Center Raleigh, NC 27699-6714 Ifsen ding via delivery service (UPS, FedEx, etc): Office of Administrative Hearings 1711 New Hope Church Road Raleigh, NC 27609-6285 One (1) copy of the petition must also be served to Department of Environmental Quality: William F. Lane, General Counsel Department of Environmental Quality 1601 Mail Service Center Raleigh, NC 27699-1601 This letter completes the review of the Division under section 401 of the Clean Water Act. Please contact Erin Davis at 919-817-0360 or erin.davisOncdenr.gov if you have any questions or concerns. Sincerely, DOCUSignn�eJd by: W, 949D91 BA53EF4E0... Paul Wojoski, Supervisor 401 & Buffer Permitting Branch Enclosures: GC 4134 cc: Todd Tugwell, Kim Browning, USACE Raleigh Regulatory Field Office (via email) DWR 401 & Buffer Permitting Branch file Filename: 180198SassarixaSwamp (Johnston)_401_approval_1tr.lune18,2020.docx STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY DIVISION OF WATER RESOURCES WATER QUALITY GENERAL CERTIFICATION NO.4134 GENERAL CERTIFICATION FOR PROJECTS ELIGIBLE FOR US ARMY CORPS OF ENGINEERS • NATIONWIDE PERMIT NUMBER 13 (BANK STABILIZATION), • NATIONWIDE PERMIT NUMBER 27 (AQUATIC HABITAT RESTORATION, ESTABLISHMENT AND ENHANCEMENT ACTIVITIES), AND • REGIONAL GENERAL PERMIT 197800080 (BULKHEADS AND RIP -RAP) Water Quality Certification Number 4134 is issued in conformity with the requirements of Section 401, Public Laws 92-500 and 95-217 of the United States and subject to the North Carolina Regulations in 15A NCAC 02H .0500 and 15A NCAC 02B .0200 for the discharge of fill material to surface waters and wetland areas as described in 33 CFR 330 Appendix A (B) (13 and 27) of the US Army Corps of Engineers regulations and Regional General Permit 197800080. The State of North Carolina certifies that the specified category of activity will not violate applicable portions of Sections 301, 302, 303, 306 and 307 of the Public Laws 92-500 and 95- 217 if conducted in accordance with the conditions hereinafter set forth. Effective date: December 1, 2017 Signed this day: December 1, 2017 By �Z for Linda Culpepper Interim Director GC4134 Activities meeting any one (1) of the following thresholds or circumstances require written approval for a 401 Water Quality Certification from the Division of Water Resources (DWR): a) If any of the conditions of this Certification (listed below) cannot be met; or b) Any permanent fill into or modification of wetlands and/or waters except for single and independent stream stabilization or enhancement projects involving in -stream structures that meet the following criteria: i. Designed based on current natural channel techniques; and ii. In -stream structures do not exceed a spacing of three structures per 100 feet of stream length up to a total of 500 feet of streambank stabilization; or c) Any stream relocation; or d) Complete dewatering and drawdowns to a sediment layer related to pond/dam maintenance or removal; or e) Total temporary and permanent impacts to streambanks of greater than 150 feet for bank stabilization projects when non -natural armoring techniques (e.g. rip -rap, gabion baskets, deflection walls) are utilized; or f) Total temporary and permanent impacts to streambanks of greater than 500 feet for bank stabilization projects when natural techniques (e.g. sloping, vegetation, geolifts) are used; or g) Any permanent impacts to waters, or to wetlands adjacent to waters, designated as: ORW (including SAV), HQW (including PNA), SA, WS-I, WS-II, or North Carolina or National Wild and Scenic River. h) Any permanent impacts to waters, or to wetlands adjacent to waters, designated as Trout except for bank stabilization projects that qualify for a Nationwide Permit #13 provided that: L The total impacts are less than 100 feet in length; ii. The project is not adjacent to any other existing stabilization structures; iii. All conditions of this General Certification can be met, including adherence to any moratoriums as stated in Condition #10; and iv. A Notification of Work in Trout Watersheds Form is submitted to the Division at least 60 days prior to commencement of work; or i) Any permanent impacts to coastal wetlands [15A NCAC 07H .0205], or Unique Wetlands (UWL); or j) Any impact associated with a Notice of Violation or an enforcement action for violation(s) of NC Wetland Rules (15A NCAC 02H .0500), NC Isolated Wetland Rules (15A NCAC 02H .1300), NC Surface Water or Wetland Standards (15A NCAC 026.0200), or State Regulated Riparian Buffer Rules (15A NCAC 02B .0200); or k) Any impacts to subject water bodies and/or state regulated riparian buffers along subject water bodies in the Neuse, Tar -Pamlico, or Catawba River Basins or in the Randleman Lake, Jordan Lake or Goose Creek Watersheds (or any other basin or watershed with State Regulated Riparian Area Protection Rules [Buffer Rules] in effect at the time of application) unless: i. The activities are listed as "EXEMPT" from these rules; or Page 2 of 10 GC4134 ii. A Buffer Authorization Certificate is issued by the NC Division of Coastal Management (DCM); or iii. A Buffer Authorization Certificate or a Minor Variance is issued by a delegated or designated local government implementing a state riparian buffer program pursuant to 143-215.23. Activities included in this General Certification that do not meet one of the thresholds listed above do not require written approval. I. ACTIVITY SPECIFIC CONDITIONS: 1. Any repairs or adjustments to the site shall be made according to the approved plans. Repairs that result in a change from the approved plans must receive written approval from DWR prior to commencement of the repairs. [15A NCAC 02H .0501 and .0502] 2. Written authorization for a compensatory mitigation project does not represent an approval of credit yield for the project. [15A NCAC 02H .0500(h)] 3. For all dam removal projects meeting the definition under G.S. 143-215.25 and requirements under G.S. 143-215.27 of a professionally supervised dam removal, the applicant shall provide documentation that any sediment that may be released has similar or lower level of contamination than sediment sampled from downstream of the dam in accordance with Session Law 2017-145. II. GENERAL CONDITIONS: 1. When written authorization is required, the plans and specifications for the project are incorporated into the authorization by reference and are an enforceable part of the Certification. Any modifications to the project require notification to DWR and may require an application submittal to DWR with the appropriate fee. [15A NCAC 02H .0501 and .05021 2. No waste, spoil, solids, or fill of any kind shall occur in wetlands or waters beyond the footprint of the impacts (including temporary impacts) as authorized in the written approval from DWR; or beyond the thresholds established for use of this Certification without written authorization. [15A NCAC 02H .0501 and .0502] No removal of vegetation or other impacts of any kind shall occur to state regulated riparian buffers beyond the footprint of impacts approved in a Buffer Authorization or Variance or as listed as an exempt activity in the applicable riparian buffer rules. [15A NCAC 02B .0200] Page 3 of 10 GC4134 3. In accordance with 15A NCAC 02H .0506(h) and Session Law 2017-10, compensatory mitigation may be required for losses of greater than 300 linear feet of perennial streams and/or greater than one (1) acre of wetlands. Impacts associated with the removal of a dam shall not require mitigation when the removal complies with the requirements of Part 3 of Article 21 in Chapter 143 of the North Carolina General Statutes. Impacts to isolated and other non-404 jurisdictional wetlands shall not be combined with 404 jurisdictional wetlands for the purpose of determining when impact thresholds trigger a mitigation requirement. For linear publicly owned and maintained transportation projects that are not determined to be part of a larger common plan of development by the US Army Corps of Engineers, compensatory mitigation may be required for losses of greater than 300 linear feet per perennial stream. Compensatory stream and/or wetland mitigation shall be proposed and completed in compliance with G.S. 143-214.11. For applicants proposing to conduct mitigation within a project site, a complete mitigation proposal developed in accordance with the most recent guidance issued by the US Army Corps of Engineers Wilmington District shall be submitted for review and approval with the application for impacts. 4. All activities shall be in compliance with any applicable State Regulated Riparian Buffer Rules in Chapter 2 of Title 15A. 5. When applicable, all construction activities shall be performed and maintained in full compliance with G.S. Chapter 113A Article 4 (Sediment and Pollution Control Act of 1973). Regardless of applicability of the Sediment and Pollution Control Act, all projects shall incorporate appropriate Best Management Practices for the control of sediment and erosion so that no violations of state water quality standards, statutes, or rules occur. [15A NCAC 02H .0506(b)(3) and (c)(3) and 15A NCAC 026.0200]. Design, installation, operation, and maintenance of all sediment and erosion control measures shall be equal to or exceed the requirements specified in the most recent version of the North Carolina Sediment and Erosion Control Manual, or for linear transportation projects, the NCDOT Sediment and Erosion Control Manual. All devices shall be maintained on all construction sites, borrow sites, and waste pile (spoil) sites, including contractor -owned or leased borrow pits associated with the project. Sufficient materials required for stabilization and/or repair of erosion control measures and stormwater routing and treatment shall be on site at all times. For borrow pit sites, the erosion and sediment control measures shall be designed, installed, operated, and maintained in accordance with the most recent version of the North Carolina Surface Mining Manual. Reclamation measures and implementation shall comply with the reclamation in accordance with the requirements of the Sedimentation Pollution Control Act and the Mining Act of 1971. Page 4 of 10 GC4134 If the project occurs in waters or watersheds classified as Primary Nursery Areas (PNAs), SA, WS-I, WS-II, High Quality Waters (HQW), or Outstanding Resource Waters (ORW), then the sedimentation and erosion control designs shall comply with the requirements set forth in 15A NCAC 0413.0124, Design Standards in Sensitive Watersheds. 6. Sediment and erosion control measures shall not be placed in wetlands or waters except within the footprint of temporary or permanent impacts authorized under this Certification. Exceptions to this condition require application to and written approval from DWR. [15A NCAC 02H .0501 and .0502] 7. Erosion control matting that incorporates plastic mesh and/or plastic twine shall not be used along streambanks or within wetlands. Exceptions to this condition require application to and written approval from DWR. [15A NCAC 02B .0201] 8. An NPDES Construction Stormwater Permit (NCG010000) is required for construction projects that disturb one (1) or more acres of land. The NCGO10000 Permit allows stormwater to be discharged during land disturbing construction activities as stipulated in the conditions of the permit. If the project is covered by this permit, full compliance with permit conditions including the erosion & sedimentation control plan, inspections and maintenance, self -monitoring, record keeping and reporting requirements is required. [15A NCAC 02H .0506(b)(5) and (c)(5)] The North Carolina Department of Transportation (NCDOT) shall be required to be in full compliance with the conditions related to construction activities within the most recent version of their individual NPDES (NCS000250) stormwater permit. [15A NCAC 02H .0506(b)(5) and (c)(5)] 9. All work in or adjacent to streams shall be conducted so that the flowing stream does not come in contact with the disturbed area. Approved best management practices from the most current version of the NC Sediment and Erosion Control Manual, or the NC DOT Construction and Maintenance Activities Manual, such as sandbags, rock berms, cofferdams, and other diversion structures shall be used to minimize excavation in flowing water. Exceptions to this condition require application to and written approval from DWR. [15A NCAC 02H .0506(b)(3) and (c)(3)] 10. If activities must occur during periods of high biological activity (e.g. sea turtle nesting, fish spawning, or bird nesting), then biological monitoring may be required at the request of other state or federal agencies and coordinated with these activities. [15A NCAC 02H .0506(b)(2) and 15A NCAC 046 .0125] All moratoriums on construction activities established by the NC Wildlife Resources Commission (WRC), US Fish and Wildlife Service (USFWS), NC Division of Marine Fisheries (DMF), or National Marine Fisheries Service (NMFS) shall be implemented. Exceptions to this condition require written approval by the resource agency responsible for the given moratorium. A copy of the approval from the resource agency shall be forwarded to DWR. Page 5 of 10 GC4134 Work within a designated trout watershed of North Carolina (as identified by the Wilmington District of the US Army Corps of Engineers), or identified state or federal endangered or threatened species habitat, shall be coordinated with the appropriate WRC, USFWS, NMFS, and/or DMF personnel. 11. Culverts shall be designed and installed in such a manner that the original stream profiles are not altered and allow for aquatic life movement during low flows. The dimension, pattern, and profile of the stream above and below a pipe or culvert shall not be modified by widening the stream channel or by reducing the depth of the stream in connection with the construction activity. The width, height, and gradient of a proposed culvert shall be such as to pass the average historical low flow and spring flow without adversely altering flow velocity. [15A NCAC 02H .0506(b)(2) and (c)(2)] Placement of culverts and other structures in streams shall be below the elevation of the streambed by one foot for all culverts with a diameter greater than 48 inches, and 20% of the culvert diameter for culverts having a diameter less than or equal to 48 inches, to allow low flow passage of water and aquatic life. If multiple pipes or barrels are required, they shall be designed to the mimic the existing stream cross section as closely as possible including pipes or barrels at flood plain elevation and/or sills where appropriate. Widening the stream channel shall be avoided. When topographic constraints indicate culvert slopes of greater than 5%, culvert burial is not required, provided that all alternative options for flattening the slope have been investigated and aquatic life movement/connectivity has been provided when possible (e.g. rock ladders, cross vanes, etc.). Notification, including supporting documentation to include a location map of the culvert, culvert profile drawings, and slope calculations, shall be provided to DWR 60 calendar days prior to the installation of the culvert. When bedrock is present in culvert locations, culvert burial is not required provided that there is sufficient documentation of the presence of bedrock. Notification, including supporting documentation such as a location map of the culvert, geotechnical reports, photographs, etc. shall be provided to DWR a minimum of 60 calendar days prior to the installation of the culvert. If bedrock is discovered during construction, then DWR shall be notified by phone or email within 24 hours of discovery. If other site -specific topographic constraints preclude the ability to bury the culverts as described above and/or it can be demonstrated that burying the culvert would result in destabilization of the channel, then exceptions to this condition require application to and written approval from DWR. Page 6 of 10 GC4134 Installation of culverts in wetlands shall ensure continuity of water movement and be designed to adequately accommodate high water or flood conditions. When roadways, causeways, or other fill projects are constructed across FEMA-designated floodways or wetlands, openings such as culverts or bridges shall be provided to maintain the natural hydrology of the system as well as prevent constriction of the floodway that may result in destabilization of streams or wetlands. The establishment of native woody vegetation and other soft stream bank stabilization techniques shall be used where practicable instead of rip -rap or other bank hardening methods. 12. Bridge deck drains shall not discharge directly into the stream. Stormwater shall be directed across the bridge and pre-treated through site -appropriate means to the maximum extent practicable (e.g. grassed swales, pre -formed scour holes, vegetated buffers, etc.) before entering the stream. Exceptions to this condition require application to and written approval from DWR. [15A NCAC 02H .0506(b)(5)] 13. Application of fertilizer to establish planted/seeded vegetation within disturbed riparian areas and/or wetlands shall be conducted at agronomic rates and shall comply with all other Federal, State and Local regulations. Fertilizer application shall be accomplished in a manner that minimizes the risk of contact between the fertilizer and surface waters. [15A NCAC 026 .0200 and 15A NCAC 026 .0231] 14. If concrete is used during construction, then all necessary measures shall be taken to prevent direct contact between uncured or curing concrete and waters of the state. Water that inadvertently contacts uncured concrete shall not be discharged to waters of the state. [15A NCAC 02B .0200] 15. All proposed and approved temporary fill and culverts shall be removed and the impacted area shall be returned to natural conditions within 60 calendar days after the temporary impact is no longer necessary. The impacted areas shall be restored to original grade, including each stream's original cross sectional dimensions, planform pattern, and longitudinal bed profile. For projects that receive written approval, no temporary impacts are allowed beyond those included in the application and authorization. All temporarily impacted sites shall be restored -and stabilized with native vegetation. [15A NCAC 02H 0506(b)(2) and (c)(2)] 16. All proposed and approved temporary pipes/culverts/rip-rap pads etc. in streams shall be installed as outlined in the most recent edition of the North Carolina Sediment and Erosion Control Planning and Design Manual or the North Carolina Surface Mining Manual or the North Carolina Department of Transportation Best Management Practices for Construction and Maintenance Activities so as not to restrict stream flow or cause dis-equilibrium during use of this Certification. [15A NCAC 02H .0506(b)(2) and (c)(2)] Page 7 of 10 GC4134 17. Any rip -rap required for proper culvert placement, stream stabilization, or restoration of temporarily disturbed areas shall be restricted to the area directly impacted by the approved construction activity. All rip -rap shall be placed such that the original stream elevation and streambank contours are restored and maintained. Placement of rip -rap or other approved materials shall not result in de -stabilization of the stream bed or banks upstream or downstream of the area or in a manner that precludes aquatic life passage. [15A NCAC 02H .0506(b)(2)] 18. Any rip -rap used for stream or shoreline stabilization shall be of a size and density to prevent movement by wave, current action, or stream flows and shall consist of clean rock or masonry material free of debris or toxic pollutants. Rip -rap shall not be installed in the streambed except in specific areas required for velocity control and to ensure structural integrity of bank stabilization measures. [15A NCAC 02H .0506(b)(2)] 19. Applications for rip -rap groins proposed in accordance with 15A NCAC 07H .1401 (NC Division of Coastal Management General Permit for construction of Wooden and Rip -rap Groins in Estuarine and Public Trust Waters) shall meet all the specific conditions for design and construction specified in 15A NCAC 07H .1405. 20. All mechanized equipment operated near surface waters shall be inspected and maintained regularly to prevent contamination of surface waters from fuels, lubricants, hydraulic fluids, or other toxic materials. Construction shall be staged in order to minimize the exposure of equipment to surface waters to the maximum extent practicable. Fueling, lubrication and general equipment maintenance shall be performed in a manner to prevent, to the maximum extent practicable, contamination of surface waters by fuels and oils. [15A NCAC 02H .0506(b)(3) and (c)(3) and 15A NCAC 02B .0211 (12)] 21. Heavy equipment working in wetlands shall be placed on mats or other measures shall be taken to minimize soil disturbance. [15A NCAC 02H .0506 (b)(3) and (c)(3)] 22. In accordance with 143-215.85(b), the applicant shall report any petroleum spill of 25 gallons or more; any spill regardless of amount that causes a sheen on surface waters; any petroleum spill regardless of amount occurring within 100 feet of surface waters; and any petroleum spill less than 25 gallons that cannot be cleaned up within 24 hours. 23. If an environmental document is required under the State Environmental Policy Act (SEPA), then this General Certification is not valid until a Finding of No Significant Impact (FONSI) or Record of Decision (ROD) is issued by the State Clearinghouse. If an environmental document is required under the National Environmental Policy Act (NEPA), then this General Certification is not valid until a Categorical Exclusion, the Final Environmental Assessment, or Final Environmental Impact Statement is published by the lead agency. [15A NCAC 01C .0107(a)] Page 8 of 10 GC4134 24. This General Certification does not relieve the applicant of the responsibility to obtain all other required Federal, State, or Local approvals before proceeding with the project, including those required by, but not limited to, Sediment and Erosion Control, Non - Discharge, Water Supply Watershed, and Trout Buffer regulations. 25. The applicant and their authorized agents shall conduct all activities in a manner consistent with State water quality standards (including any requirements resulting from compliance with §303(d) of the Clean Water Act), and any other appropriate requirements of State and Federal Law. If DWR determines that such standards or laws are not being met, including failure to sustain a designated or achieved use, or that State or Federal law is being violated, or that further conditions are necessary to assure compliance, then DWR may revoke or modify a written authorization associated with this General Water Quality Certification. [15A NCAC 02H .0507(d)] 26. The permittee shall require its contractors and/or agents to comply with the terms and conditions of this permit in the construction and maintenance of this project, and shall provide each of its contractors and/or agents associated with the construction or maintenance of this project with a copy of this Certification. A copy of this Certification, including all conditions shall be available at the project site during the construction and maintenance of this project. [15A NCAC 02H .0507 (c) and 15A NCAC 02H .0506 (b)(2) and (c)(2)] 27. When written authorization is required for use of this Certification, upon completion of all permitted impacts included within the approval and any subsequent modifications, the applicant shall be required to return a certificate of completion (available on the DWR website: https://edocs.deg.nc.gov/Forms/Certificate-of-Completion). [15A NCAC 02H .0502(f)] 28. Additional site -specific conditions, including monitoring and/or modeling requirements, may be added to the written approval letter for projects proposed under this Water Quality Certification in order to ensure compliance with all applicable water quality and effluent standards. [15A NCAC 02H .0507(c)] 29. If the property or project is sold or transferred, the new permittee shall be given a copy of this Certification (and written authorization if applicable) and is responsible for complying with all conditions. [15A NCAC 02H .0501 and .0502] III. GENERAL CERTIFICATION ADMINISTRATION: 1. In accordance with North Carolina General Statute 143-215.3D(e), written approval for a 401 Water Quality General Certification must include the appropriate fee. An applicant for a CAMA permit under Article 7 of Chapter 113A of the General Statutes for which a water quality Certification is required shall only make one payment to satisfy both agencies; the fee shall be as established by the Secretary in accordance with 143-215.3D(e)(7). Page 9 of 10 GC4134 2. This Certification neither grants nor affirms any property right, license, or privilege in any waters, or any right of use in any waters. This Certification does not authorize any person to interfere with the riparian rights, littoral rights, or water use rights of any other person and this Certification does not create any prescriptive right or any right of priority regarding any usage of water. This Certification shall not be interposed as a defense in any action respecting the determination of riparian or littoral rights or other rights to water use. No consumptive user is deemed by virtue of this Certification to possess any prescriptive or other right of priority with respect to any other consumptive user regardless of the quantity of the withdrawal or the date on which the withdrawal was initiated or expanded. 3. This Certification grants permission to the Director, an authorized representative of the Director, or DWR staff, upon the presentation of proper credentials, to enter the property during normal business hours. [15A NCAC 02H .0502(e)] 4. This General Certification shall expire on the same day as the expiration date of the corresponding Nationwide Permit and/or Regional General Permit. The conditions in effect on the date of issuance of Certification for a specific project shall remain in effect for the life of the project, regardless of the expiration date of this Certification. This General Certification is rescinded when the US Army Corps of Engineers reauthorizes any of the corresponding Nationwide Permits and/or Regional General Permits or when deemed appropriate by the Director of the Division of Water Resources. 5. Non-compliance with or violation of the conditions herein set forth by a specific project may result in revocation of this General Certification for the project and may also result in criminal and/or civil penalties. 6. The Director of the North Carolina Division of Water Resources may require submission of a formal application for Individual Certification for any project in this category of activity if it is deemed in the public's best interested or determined that the project is likely to have a significant adverse effect upon water quality, including state or federally listed endangered or threatened aquatic species, or degrade the waters so that existing uses of the water or downstream waters are precluded. History Note: Water Quality Certification (WQC) Number 4134 issued December 1, 2017 replaces WQC March 3, 2017; WQC 3885 issued March 19, 2012; WQC Number 3689 issued November 1, 2007; WQC Number 3626 issued March 19, 2007; WQC Number 3495 issued December 31, 2004; and WQC Number 3399 issued March 2003. Page 10 of 10 U.S. ARMY CORPS OF ENGINEERS WILMINGTON DISTRICT Action Id. SAW-2018-00432 County: Johnston U.S.G.S. Quad: Four Oaks GENERAL PERMIT (REGIONAL AND NATIONWIDE) VERIFICATION Permittee:NC Division of Mitigation Services Permittee: Wildlands Engineering, Inc. Attn: Mr. Tim Baumgartner Attn: Angela Allen Address: 217 West Jones Street, Suite 3000A Address: 312 W. Millbrook Rd, Ste 225 Raleigh, North Carolina 27603 Raleigh, NC 27609 Telephone:919-707-8319 Telephone: 919-851-9986 Size (acres) 61.4 acres Nearest Waterway Black Creek USGS HUC 03020201 Nearest Town Four Oaks River Basin Neuse River Latitude: 35.473294 °N Longitude -78.437318°W Location description: The NCDMS 6.97-acre Sassarixa Swamp Mitigation Site is located at 160 Old Olive Road, Smithfield, Johnston County, North Carolina. Waters on site drain into Sassarixa Creek and Black Creek, both are within the Neuse River Basin. Description of projects area and activity: The co -applicants, NCDMS and Wildlands Engineering, Inc. have requested a Department of the Army permit authorization to discharge dredged and/or fill material into waters of the United States associated with the NCDMS Sassarixa Swamp Mitigation Site. Implementation of the proposed restoration and enhancement activities will result in the discharge of fill material into 4981 linear feet of stream channel, and 0.646 acres of wetlands associated with mechanized land clearing, excavation, placement of fill material, and stream relocation activities for the mitigation site. Compensatory mitigation is NOT required in conjunction with the aforementioned activities. Refer to the enclosed Table 1 for a detailed summary of impacts Applicable Law: ®Section 404 (Clean Water Act, 33 USC 1344) ❑ Section 10 (Rivers and Harbors Act, 33 USC 403) Authorization: Regional General Permit Number and/or Nationwide Permit Number: NWP 27 — Aquatic Habitat Restoration, Enhancement, and Establishment Activities SEE ATTACHED RGP or NWP GENERAL, REGIONAL AND SPECIAL CONDITIONS Your work is authorized by the above referenced permit provided it is accomplished in strict accordance with the attached conditions and your submitted application and attached information dated May 20, 2020. Any violation of the attached conditions or deviation from your submitted plans may subject the permittee to a stop work order, a restoration order, a Class I administrative penalty, and/or appropriate legal action. This verification will remain valid until the expiration date identified below unless the nationwide and/or regional general permit authorization is modified, suspended or revoked. If, prior to the expiration date identified below, the nationwide and/or regional general permit authorization is reissued and/or modified, this verification will remain valid until the expiration date identified below, provided it complies with all requirements of the modified nationwide permit. If the nationwide and/or regional general permit authorization expires or is suspended, revoked, or is modified, such that the activity would no longer comply with the terms and conditions of the nationwide permit, activities which have commenced (i.e., are under construction) or are under contract to commence in reliance upon the nationwide and/or SAW-2018-00432 regional general permit, will remain authorized provided the activity is completed within twelve months of the date of the nationwide and/or regional general permit's expiration, modification or revocation, unless discretionary authority has been exercised on a case -by -case basis to modify, suspend or revoke the authorization. Activities subject to Section 404 (as indicated above) may also require an individual Section 401 Water Quality Certification. You should contact the NC Division of Water Resources (telephone 919-807- 6300) to determine Section 401 requirements. For activities occurring within the twenty coastal counties subject to regulation under the Coastal Area Management Act (CAMA), prior to beginning work you must contact the N.C. Division of Coastal Management in Morehead City, NC, at (252) 808-2808. This Department of the Army verification does not relieve the permittee of the responsibility to obtain any other required Federal, State or local approvals/permits. If there are any questions regarding this verification, any of the conditions of the Permit, or the Corps of Engineers regulatory program, please contact Kimberly Browning, 919.554.4884 x60. Corps Regulatory Official: Date: June 30, 2020 Expiration Date of Verification: March 18, 2022 SAW-2018-00432 Table 1. Authorized discharge of fill material into waters of the United States in association with the NCDMS Sassarixa Swamp Mitigation Site (SAW-2018-00432). Stream Impacts 3a. Reson%rImpadA ti 3b-Impect type 4 3c type of impact- 3d- S name —. Stream rype' -f Pyy� .:,+ I3q- 5 wYdth � 3h.Impact { JLJIisdlcGon I length' J S1 : ream PernEmwnl Other T1 krwittem 18ath 3 975 ReRtnox%Em wnoerreni Avs.7. Rrer; iinW j Terr xery Other Ti Y rrdVemi Soih 3 Resiarwt weEn#rancen•an1 A Rner) s�tady { Stream Pemmwnt OtMF T1A Ni� Sash $ BS II IY' ff Restar wryEnhancenwii A'/ IreLj) f*uff ruff) 54 mean Pemmnenl Other Tis kTemNBKA Both 3 12 Re6brafixW134encemeni Aweag fed) iivrlttl5 $ straeam Pemanenl Other T2 Memt5tent ISo1h 3 HA RemmfiDwEnhanaermnt A.aipplrm) (hwf* g� StreamRelamtw PerrraTMenl Podcatbn T3 Perennial 13;ath 4 I'm S7 ffEnhst3—nl Other d Perenrdel EA �1ZS �PemkRnEcl SS $beam Enhano?rnwE Ta renrriel Both 23 Ayaag�fx9� i4drlai7 Srq 9beern Pemmnenl Rekcakw T1 NrKmial Both 3 947 PgdxaroonErrhanoemeni A. RM!'- 0earuti1 Sid Stream EnhanoemBnt err xery Other Pereuml I A 3 Aweano-{f:C� 5l iikxrreetj S11 strwam Enhancement Permanent �OLhr 5A InteMOL—m iBam 5 206 S12 Shawn EnhsnDik L TanpxEiry Qther TEA hrtarmt6ent Ban 2a Jw.n � . nici' f4Yyrlhd) T5C IIIflntermlferd Both d 3 Stream Enhartmer ON Per anent Rip Rep Fill � I I i�l+�kX lr�xl� iibfie� gy;Sh., Pemunanl Rekc4mn T6 PerennialBoth d 1111.081 Re5tarahontEnrancermnt dtisr; dou, gis Stream 1ff:: Other 8 rl Both d I. F-- ReelorauaRUFn#ranaemeni tiaapR fed) Total Stream Impacts: Permanent- 4,838 LF, Temporary-143 LF SAW-2018-00432 Wetland Impacts -. Saks' l% Zal lfiaran"•:i J. -_I.tr�pe' 1t.T arw-' W. n.mr' 2F. Fbnrtrdi .� er .In W1 I2d. 1 'I— h'otla-c A •-r• �a*rro�nk yuokV. v FYa3wxbr Faaea 004 prEM03ffM FM�,ra ter. FaDodr— Ta" T FMilngSwarp Fared Mlrla{: ID Potn Iwourdr 'a• +3�ih 0 4C* 3G3 I—: Rood Wn•raob.} hm•#--Y T F•ea3nele-Fwaak 1 W. Aakoatn P Faa mw,FaraW %W WeC L, T-14 'Nair, 3 FMOZWn W2cffiQ r FfomMowFarraJ NUUWKF ow ,rwn ,. I •1�iY. FYekrfftl[n P hirFcem A2 /"5 WatLwwF -r• 7 ra pw.F-5' Qonoril; T HaaJvjnr Rmir WOILar G .41 0 ow frW"Fl WW". Nam arwn �,aac FTakrumn P JL— HLbSiEW Faw 0 we /.0 WaKarc G }r• W RAk.R6n P a Hwlwa;, Farm Wi3f.& -P +�r 0 (K)5 +.Salo SWhi'rF' rn• 3yr, OD23 7tl RoaMWnnW.a T rh"-Lvm*tad Faradd 51 R -dp6tn °ab43 T a HaMrxd Farad watlaro i Watlard 1 .�: �-� 0= Flaki� F �PA.3dwirb^ FaroIt 014 .3 RDoftWnq T WaNuldi l .s Gam 0031 cr000m [hml--_ForQw RoLQurnr. F Fi>.adddnwF3M9 FAM96-0i — 014 `.5 RDoftain yowq T Rost Wa1Lrc L V112 53tn T 036 'riA{ 56 Rdkk LrwL P FcnW Watlar n L �•I 0 Crd• T7 FloodW ri gmnr a T rHo-M�MAGdor FCMW M hyga d 8 — lh I CO2 .a F:IooftWnQodnq P F'aao+MkB-FbroSt walk" GG "isG Rain {US *tl F4-dpWn :r—.g � T - — FQ zst Wahar a Vy �Yns I I C. p{•" AiY• ] PJAWNbM P Hmmml ,R" WalLyovv nth 0:.-1 1• _ RDWUM WQMG an�p T F'iodvW Faroe w �IYas I i .S-dn 09D-f �NaNe. wM Fhkmwllan P Faco'aldw• Feed• %%WLYd YY — l N2 Ro dryaln qm" T Wdbc i x YbS hi 0 ow -24 FDorL n,7-& WFawd Aktum E Yrs 8otn D oln /!—, Rolo w P HYrlvaWrFond Watlacdf IfkL r aln I ""r. 30:n 'Cos C. {{2 WrA Sraonmo* grod" T Haadvark, Fbroc Watlaro Ee �I .,+{ wM Ro�ftgin fM*12 T Fflxduor•Fa'asJ Waha•7.3FF �ac OME, SAW-2018-00432 ta. Fat IMildw F= kffh �}4E TOTAL WETLAND IMPACTS: Permanent- 0.125 ac, Temporary- 0.521 ac Impacts are associated with aquatic resource restoration and enhancement activities and are expected to result in a net gain in Waters of the US. SPECIAL CONDITIONS 1. The permittee understands and agrees that the document entitled "Mitigation Plan — FINAL Sassarixa Swamp MitigationPlan" dated November 2019, and received May 20, 2020 is incorporated and made part of this permit. Execution of the work and terms given in the approved mitigation plan are a condition of this permit. 2. This Nationwide Permit verification does not imply suitability of this property for compensatory mitigation for any particular project. The use of any portion of this site as compensatory mitigation for a particular project will be determined during the permit review process for that project. SAW-2018-00432 COMPLIANCE CERTIFICATION Action ID Number: SAW-2018-00432 County: Johnston Permittee: NC Division of Mitigation Services Wildlands Engineering, Inc. Attn: Mr. Tim Baumgartner Attn: Angela Allen Project Name: NCDMS Sassarixa Swamp Mitigation Site Date Verification Issued: June 30, 2020 Project Manager: Kim Browning Upon completion of the activity authorized by this permit and any mitigation required by the permit, sign this certification and return it to the following address: US ARMY CORPS OF ENGINEERS WILMINGTON DISTRICT Regulatory Division Mitigation Office Attn: Kim Browning 3331 Heritage Trade Drive, Suite 105 Raleigh, NC 27587 Please note that your permitted activity is subject to a compliance inspection by a U. S. Army Corps of Engineers representative. Failure to comply with any terms or conditions of this authorization may result in the Corps suspending, modifying or revoking the authorization and/or issuing a Class I administrative penalty, or initiating other appropriate legal action. I hereby certify that the work authorized by the above referenced permit has been completed in accordance with the terms and condition of the said permit, and required mitigation was completed in accordance with the permit conditions. Signature of Permittee Date ROY COOPER MICHAEL S. REGAN bc, refur y BRIAN WRENN lc tiny Drr. - r r NORTH CAROLINA Environmental Quality July 6, 2020 LETTER OF APPROVAL Wildlands Engineering, Inc. ATTN: John Hutton, Vice President 1430 S Mint Street, Suite 104 Charlotte, NC 28203 RE: Project Name: Sassarixa Swamp Mitigation Site Project ID: JOHNS-2020-013 Approved Acres: 45.39 County: Johnston, City: Smithfield, Address: Old Olive Road River Basin: Neuse, Stream Classification: Other Submitted By: Wildlands Engineering, Inc. Date Received by LQS: July 1, 2020 Plan Type: Revised Dear Mr. Hutton: The subject erosion and sedimentation control plan has been approved. The enclosed Certificate of Approval must be posted at the job site. This plan approval shall expire three (3) years following the date of approval, if no land -disturbing activity has been undertaken, as is required by Title 15A NCAC 413.0129. As of April 1, 2019, all new construction activities are required to complete and submit an electronic Notice of Intent (cNOI) form requesting a Certificate of Coverage (COC) under the NCG010000 Construction General Permit. After the Form is reviewed and found to be complete, you will receive a link with payment instructions for the $100 annual permit fee. After the fee is received, you will receive the COC via email. You MUST obtain the COC prior to commencement of any land disturbing activity. The eNOI form may be accessed at deq.nc.goy/NCGOI. Please direct questions about the eNOI form to Annette Lucas at Annette.Lucas a,ncdenr.,,-lo or Paul Clark at Paul.Clark a,ncdenngov. If the owner./operator of this project changes in the future, the new responsible party is required to apply for his.'her own COC. Title 15A NCAC 413 .0118(a) and the NCG01 permit require that the following documentation be kept on file at the job site: I. The approved E&SC plan as well as any approved deviation. 2. The NCGO 1 permit and the COC, once it is received. 3. Records of inspections made during the previous 12 months. Nurth Carolina Deparintent of En,,Ironmental Qusll;% D %iYinn ut Crscrg}. hilncral snd Lai Id Ves;)urces Ralrgit Rrgiorial(7flu r 108 Ala l.Scrrire ( rr trr MOO Bvin It Dri%v Ralrigh North ('arnlina 276010 Letter of Approval Wildlands Engineering, Inc. July 6, 2020 Page 2 of 2 Also, this letter gives the notice required by G.S. i 13A-61.1(a) of our right of periodic inspection to insure compliance with the approved plan. Title 15A NCAC 4B .0113(a) requires that a copy of the approved erosion control plan be on file at the job site. Also, this letter gives the notice required by G.S. 113A-61.1(a) of our right of periodic inspection to insure compliance with the approved plan. North Carolina's Sedimentation Pollution Control Act is performance -oriented, requiring protection of existing natural resources and adjoining properties. If, following the commencement of this project, it is determined that the erosion and sedimentation control plan is inadequate to meet the requirements of the Sedimentation Pollution Control Act of 1973 (North Carolina General Statute 1 13A-51 through 66), this office may require revisions to the plan and implementation of the revisions to ensure compliance with the Act. Acceptance and approval of this plan is conditioned upon your compliance with Federal and State water quality laws, regulations, and rules. In addition, local city or county ordinances or rules may also apply to this land -disturbing activity. This approval does not supersede any other permit or approval. Please note that this approval is based in part on the accuracy of the information provided in the Financial Responsibility Form, which you provided. You are requested to file an amended form if there is any change in the information included on the form. This permit allows for a land -disturbance, as called for on the application plan, not to exceed the approved acres. Exceeding the acreage will be a violation of this permit and would require a revised plan and additional application fee. In addition, it would be helpful if you notify this office of the proposed starting date for this project. Please notify us if you plan to have a preconstruction conference. Your cooperation is appreciated. Sincerely, 6 ! J_��_j* Sally Castle, El Regional Engineering Associate Land Quality Section Enclosures: Certificate of Approval NPDES NCGO1 Fact Sheet cc: Angela Allen, PE (aalleni,wildlandseng.com) - Electronic Copy Regional Office File APPENDIX 6. 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C y p O v aj aj C m .40 U 'U m UA . a a Q E vN 2 _ m [ E E 3 k ] a § E d 0. § k > ai § ( f 14 a k d 7 7 7 kn f f f \ \ \ 7 7 7 kn CL to f to \ \ \ / / / § § 00 § 7 7 7 7 CL w > £ > £ > £ £ \ \ \ \ | | | | ) )))) ) ) )))) ) ) )))) ) ) )))) ) VEGETATION PLOT PHOTOGRAPHS FIXED VEG PLOT 1(311112021) 1 FIXED VEG PLOT 2 (311112021) 1 FIXED VEG PLOT 3 (311112021) 1 FIXED VEG PLOT 4 (311112021) 1 FIXED VEG PLOT 5 (311112021) FIXED VEG PLOT 6 (311112021) ft Sassarixa Swamp Mitigation Site Appendix 6: Vegetation Plot Data —Vegetation Plot Photographs W FIXED VEG PLOT 7 (311112021) 1 FIXED VEG PLOT 8 (311112021) 1 FIXED VEG PLOT 9 (311112021) FIXED VEG PLOT 10 (311112021) I Sassarixa Swamp Mitigation Site W Appendix 6: Vegetation Plot Data —Vegetation Plot Photographs