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HomeMy WebLinkAbout20150636 Ver 1_BPDP Revised for Phasing_20160401WATERSHED JJFJPPF1- 13121 'Sttnents March 31, 2016 Katie Merritt Nutrient Offset & Buffer Banking Coordinator NCDENR-Division of Water Resources 1617 Mail Service Center Raleigh, NC 27699-1617 Subject: Revised Neville Farms BPDP (DWR# 2015-0636) Dear Ms. Merritt: RIM@ M OWE 'R 0 T 2016 Enclosed for your review is the revised Neville Farms BPDP. Revisions to the BPDP are necessary to reflect the phased development of the project. Tract 1 will now be developed in Phase 1 while Tract 2 will be Phase 2. We appreciate your review of the document and guidance in it's development. If you need to discuss the project, please contact me at mherrmannCcwatershedinvestmentsnc.net (email) or 919-559-6264 (phone). Sincerely, Mike Herrmann Enc: Revised Neville Farms BPDP 1630 Weatherford Circle, Raleigh NC 27604 1 Tel :919-533-9195 1 u,ww.watershedinvestmentsnc.net Neville Farms Buffer and Nutrient Offset Bank Parcel Development Package (Revisions to Reflect Project Phasing) Jordan Lake Nutrient Strategy - Upper New Hope Subwatershed Orange County, NC DWR# 2015-0636 Prepared by: Watershed Investments NC, LLC 1630 Weatherford Circle Raleigh, NC 27604 Phone: 919.533.9195 March 31, 2016 :IiSHEien ts r� Contents LISTOF ATTACHMENTS................................................................................................................................. i i 1.0 Introduction......................................................................................................................................1 1.1 Bank Sponsor.................................................................................................................................1 1.2 Project Location and Description................................................................................................... 2 1.3 Directions to the Site...................................................................................................................... 2 Phase1 Tract: ............................................................................................................ ............................ 2 Phase2 Tract: ......................................................................................................................................... 2 2.0 PROJECT SITE DESCRIPTION............................................................................................................. 2 2.1 Land Use........................................................................................................................................ 2 2.2 Watershed Setting.......................................................................................................................... 3 2.2 Surface Hydrology and Watershed Area......................................................................................... 3 2.3 Surface Water Determination for the Site....................................................................................... 3 2.4 Floodplain Assessment................................................................................................................... 3 2.5 Geology & Soils............................................................................................................................. 4 2.6 Cultural Constraints....................................................................................................................... 5 2.8 Rare, Threatened and Endangered Species..................................................................................... 5 2.9 Existing/Historic Vegetation.......................................................................................................... 6 3.0 PROJECT PLANTING PLAN ................................................................................................................. 6 3.1 Riparian Restoration Activities....................................................................................................... 6 3.2 Planting Plan .................................................................................................................................. 7 3.3 Riparian Preservation Activities...................................................................................................... 7 3.4 Site Preparation and Invasive Species Control................................................................................ 7 3.5 Easement Boundaries..................................................................................................................... 7 4.0 PROJECT MONITORING AND PERFORMANCE STANDARDS................................................................ 8 4.1 Project Monitoring Plan................................................................................................................. 8 4.2 Adaptive Management Plan............................................................................................................ 8 4.3 Long Term Management Plan........................................................................................................ 8 5.0. FINANCIAL ASSURANCE..................................................................................................................... 9 6.0 MITIGATION POTENTIAL................................................................................................................ 13 7.0 REFERENCES: ................................................................................................................................... 17 LIST OF ATTACHMENTS Attachment A. Supporting Figures Figure 1. USGS Topographic Map Figure 2. Project Site Map Figure 3. Watershed Setting Figure 4. Soils Map Figure 5. Historic Use Figure 6-A. Tract 1/Phase 1 Tract Mitigation Area Figure 6-13. Tract 2/Phase 2 Tract Mitigation Area Attachment B. Orange County Stream Determination Attachment C. Orange County Floodplain and Project Review Attachment D. State Historic Preservation Office Review Attachment E. Natural Heritage Program Review Attachment F. Division of Water Resource Project Viability Letter Attachment G. Division of Water Resource Financial Assurance Guidance Memo Attachment H. Division of Water Resource Nutrient Credit Calculation for Phase 2 Attachment I. Delivery Factor determination for the Site Attachment J. Site Photos Neville Farms BPDP Watershed Investments NC 1.0 Introduction The Neville Farms Site (Site) presents approximately 6.3 acres of permanent conservation easements in Orange County, North Carolina. The Site is comprised of two separate tracts owned by two different land owners. The Site will be mitigated in two phases. Phase I comprises of Tract I and is approximately 4.5 acres and Phase II comprises of Tract 2 and is approximately 1.8 acres. Each phase will have its own credit release schedule for milestones met in accordance with the Neville Farms Mitigation Banking Instrument (MBI). Details of the phasing of the Site will be provided in Sections 3.0 and 6.0. The purpose of this project is to generate Jordan Lake riparian buffer restoration and preservation mitigation credits as well as nutrient offset credits. The Neville Farms Bank Parcel is included in the Neville Farms Mitigation Banking Instrument (MBI) for Riparian Buffer Mitigation and Nutrient Offset Credits signed between Watershed Investments NC, LLC and the NC Division of Water Resources (DWR) and effective on January 291h, 2016. This MBI is in accordance with 15A NCAC 02B .0295 (Temporary Consolidated Buffer Mitigation Rule, effective October 24, 2014) and 15A NCAC 02B .0240 (Nutrient Offset Payments Rule). The site shall be planned and designed encompassing land along Neville Creek, a tributary to University Lake south of Chapel Hill in Orange County North Carolina. For the purposes of this Bank Parcel Development Package (BPDP) the total project Site is divided into the following two tracts: ■ Tract 1 — Main project area on the north side of Neville Creek and accessible from Old Greensboro Highway. Tract 2 — Area south of Neville Creek and accessible from Stansbury Road. Though the properties are adjacent, the division of the site is necessary based on land use, land planning, project crediting, and for more clear referencing within this document. The purpose of both rural tracts is to establish forest adjacent to surface water features to reduce nutrients that flow into Neville Creek, University Lake, and ultimately, Jordan Lake. The project will have ancillary benefits that include reducing sediment runoff, reducing nutrients to streams through agricultural runoff, and thus, improving aquatic and terrestrial habitat. Any nutrient offset or riparian buffer mitigation generated from this Bank Parcel would be available to offset impacts from development, both existing and proposed, within the Upper New Hope Subwatershed of Jordan Lake, as verified by DWR staff onsite and in their letter dated April 6, 2015 (Attachment F). All mitigation shall be provided in compliance with 15A NCAC 02B .0295 (Temporary Consolidated Buffer Mitigation Rule, effective October 24, 2014) and 15A NCAC 02B .0240 (Nutrient Offset Payments Rule). 1.1 Bank Sponsor The Site is proposed by Watershed Investments NC, LLC (WINC) Contact information for WINC is provided below. Watershed Investments NC 1630 Weatherford Circle Raleigh, NC 27604 Phone: 919-559-6264 Attn: Mike Herrmann Email: mherrmann(a watershedinvestmentsnc.net Neville Farms BPDP 14,16tershed Investments NC` 1.2 Project Location and Description Attachment A -Figure 1 provides the USGS 1:24,000 Topo map showing the location for the Site, nearby roads, and the surrounding vicinity. Surface water drainage features at the Site feed into the Upper New Hope subwatershed of Jordan Lake. The Site is in the Cape Fear River Basin approximately 3 miles southwest of Chapel Hill, NC and one mile upstream of University Lake. More specifically, the Site's longitude and latitude in decimal degrees are -79.129 W and 35.892 N, respectively. 1.3 Directions to the Site Tract 1 Gambill Property's i. From Raleigh, go West on I-40 and take the Hwy 54 -West Exit to Chapel Hill ii. From Hwy -54, take the Jones Ferry Rd Exit, turn left to go South and proceed 0.9 miles. iii. Turn Right onto Old Greensboro Highway after passing University Lake. Proceed 1.8 miles. Site entrance is on the left through a driveway right-of-way at address 1426 Old Greensboro Road, Chapel Hill Tract 2 ,McGee Property: i. Follow the above directions but instead of turning into the entrance for Tract 1, proceed another 0.5 miles and turn left onto Bowden Road. ii. Follow Bowden Road for 1.2 miles and turn Left onto Stansbury Road. iii. Property is at the end of the road. Address is 2201 Stansbury Rd, Chapel Hill, NC 2.0 PROJECT SITE DESCRIPTION 2.1 Land Use Attachment A -Figure 2 has a map of the Site. The Site consists of two separate tracts of land which will be mitigated in two phases, Phase I and Phase II: Attachment A -Figure 2 provides a 2013 aerial of the Site while Attachment J contains on the ground photos of the site. These two tracts are further described below: 1. Tract 1(Gambill Property) —Part of a 112 acre farm that includes livestock pasture, woodlots, and hay production. The proposed conservation easement is approximately 4.56 acres and is located on an area dedicated to hay production, which is classified as an agricultural practice. Annual nitrogen application rates for the property are approximately 100 lbs/ac. Portions of the riparian area currently have a narrow buffer of trees (10-15ft) immediately adjacent to the stream. The majority of the proposed reforestation is in the 100 year floodplain for Neville Creek. Runoff from the Site flows directly to Neville Creek. Approximately 4.4 acres of land are proposed for the generation of nutrient offset or buffer mitigation credit on this property (Note: As planned, a 0.20 acre portion of the conservation easement will extend beyond 200 ft. from the stream and not be eligible for nutrient or buffer mitigation). This tract will be constructed as Phase I of the total project site 2. Tract 2 (McGee Property) — Part of a 9 acre single-family residential property with the pervious areas maintained as a fescue grassed lawn, which is not classified as an agriculture practice. The proposed conservation easement is approximately 1.8 acres. Portions of the proposed easement area currently have a narrow forested buffer of 10-15 ft. An area at the lower end of the project site has grown over in blackberry and honeysuckle and is planned to be cleared and reforested to help restore the native tree buffer. Surface water leaves the site directly through drainage to Neville Creek. This tract will be constructed as Phase II of the total project site. Neville Farms BPDP Watershed Investments NC 2.2 Watershed Setting Attachment A -Figure 3 provides a map of the Site in context with its watershed setting. Neville Farms is in Jordan Lake's Upper New Hope subwatershed. In addition, the Site is upstream of University Lake, a designated Water Supply Watershed. University Lake is used by the Orange County Water and Sewer Authority to provide water to municipalities that include Chapel Hill and Carrboro. Table 2.2 provides summary of watershed information on the Site. Table 2.2. Site Watershed Information. Watershed Unit Number HUC 8 03030002 Jordan Subwatershed Upper New Hope WBD 12 -Digit ID 030300020606 WBD Name University Lake NC DWR Watershed Classifications Water Supply II High Quality Water Nutrient Sensitive Water 2.2 Surface Hvdrolog- and Watershed Area The surface water from the Site drains directly to Neville Creek at Assessment Unit (AU) 16-41-2-2-1-(1) which subsequently flows to University Lake and then Jordan Lake. As shown in Table 2.3, this AU was not rated in NC DWR's 2014 Water Quality Assessment (NC DWR 2014). fable 2.3. Neville Creek use classification for thepro-ect stream at the Site Source: NC DWR 2014). Assessment Unit Surface Water Classification 16-41-2-2-1-(1) Not Rated 2.3 Surface Water Determination for the Site Orange County is delegated authority by the NC Environmental Management Commission to conduct determinations on whether drainage features in their jurisdiction are surface waters and subject to the buffer rules of the State found in 15A NCAC 02B .0267 Protection of Existing Riparian Buffers. Orange County Planning and Inspections assessed the Site and on February 91h, 2015 provided their determination that the surface water features on the site are subject to the Rule. Attachment B provides a copy of this determination. 2.4 Floodplain Assessment The majority of the Site is in the floodplain. The project, however, will not affect areas of the stream and no actions associated with the project are expected to be in conflict with the County or State floodplain management requirements. Orange County's floodplain administrator was notified of the project and requested to review the proposed project activities and determine if additional actions are needed for project approval. Attachment C contains the Orange County Floodplain Manager's determination that the project "will not require additional floodplain analysis as the reestablishment of vegetation is not deemed to create/impact Neville Farms BPDP Watershed Investments NC existing floodways." Further County staff issue "approval for the project from both a zoning and flood permitting standpoint" (Orange County, 2015). 2.5 Geology & Soils The Site is located in the Carolina Slate Belt Level 3 Ecoregion. According to Griffin et. al (2002), this region contains mineral rocks along with silty and silty clay soils. Also, low water yielding rock in the ecoregion lead to streams drying up in the summer months. Attachment A -Figure 4 provides a map of the soil at the Site. These soils data are summarized in Table 2.4. The predominant soils on the site are Congaree which are well drained loamy alluvium. These have a seasonally high water table and are prone to flooding. Other soils on the site (Appling, Georgeville, and Goldston) are deep, well drained, and have little organic matter. Ridges in the hay fields of Tract 1 contain sporadic areas of shallow rock along the steeper slope faces. The shallow rock is not expected to preclude the establishment of forest within the mitigation area and therefore will not be removed as part of the mitigation plan. Table 2.4. Site Soil Types and Descriptions. (Source: USDA. 2015) Soil Unit Project Hydric Hydrologic Soil Description Area % Soil Soil Group ApC Soils are found on slopes and ridges. Deep, well Appling sandy drained soils whose parent material consists of loam, 6 to 10 19.0% No B saprolite. These soils have little organic matter, are percent slopes not flooded or ponded, and with no saturation within a depth of 72 inches. Cp Dominant soil for the site. The soil is found in flood Congaree fine plains with a parent material of loamy alluvium. Soils sandy loam, 0 are moderate in organic matter, deep and moderately to 2 percent 62.0% No C well drained. Soil is frequently flooded with a water slopes, table depth of 39 inches during winter months. frequently flooded GeB Upland and interfluve soil. The parent material Georgeville silt consists of weathered argillite. The soils are deep and loam, 2 to 6 9.0% No B well drained. These soils have little organic matter, percent slopes are not flooded or ponded, and have no saturation within a depth of 72 inches. GeB This soil is found on hillslopes and ridges. The Georgeville silt parent material consists of weathered argillite. The loam, 6 to 10 4.5% No B soils are deep and well drained. These soils have little percent slopes organic matter, are not flooded or ponded, and have no saturation within a depth of 72 inches. GIF This soil is found on hillslopes and ridges. The Goldston parent material consists of weathered argillite. The channery silt 5.5% No D soils may have bedrock within 10-20 inches of the loam, 15 to 45 surface but are otherwise well drained. These soils percent slopes have little organic matter, are not flooded or ponded, and have no saturation within a depth of 72 inches. 4 Neville Farms BPDP Watershed Investments NC 2.6 Cultural Constraints Cultural resources include historic and archeological resources located in or near the project parcel. The evaluation of cultural focused primarily on the presence of cultural resources as determined by the North Carolina State Historic Preservation Office (SHPO) and through field observations. The SHPO GIS Web Service database did not reveal any listed or potentially eligible historic or archeological resources in the proposed project area (NC SHPO 2015). No architectural structures or archeological artifacts have been observed or noted during surveys of the site. The State Historic Preservation Office (SHPO) has been notified of the proposed project and confirmed that their database contains no record of important cultural resources in the easement area. A copy of their review and response letter is provided in Attachment D. 2.8 Rare, Threatened and Endangered Species Plants and animals with a federal classification of endangered (E) or threatened J) are protected under provisions of Sections 7 and 9 of the Endangered Species Act of 1973, as amended. The US Fish and Wildlife Service (USFWS) database for Orange County, NC (updated 12/27/2012) lists the following one endangered species classified as Current and 2 as Historic (USFWS 2012): • Dwarf wedgemussel (Alasmidontabetemdon) - Current; • Michaux's sumac (Rhusmicba=*) — Historic; • Smooth coneflower (Ecbinacea lanigata) - Historic; The USFWS database also lists the Bald eagle (Haliaeetus leucocephalus) for the County. This species is protected under the Bald and Golden Eagle Protection Act (BGPA) and prohibits take of bald and golden eagles. No protected species or potential habitat for protected species was observed during preliminary Site evaluations. In addition to the USFWS database, the NC Natural Heritage Program (NHP) was contacted to determine whether previously cataloged occurrences of protected species were mapped within one mile of the project site. A copy of the correspondence with the NHP is included in Attachment E. Results from NHP indicate the following two species have were observed in the year 1940 within a mile of the project area. • Pursh's Wild -petunia (Ruellia pursbiana) — A plant species with a status of Special Concern -Vulnerable (SC -V) observed in 1940. Its habitat is woodlands, mostly over mafic or calcareous rocks (NHP 2014). • Coppery Emerald (Somatocblorageorgiana) — A dragonfly Somatocblorageorgiana lacked specific location information so it's observation has low accuracy but it has been observed in Orange County. This species prefers "small, sand, forest streams" as habitat (Paulson 2011). Pursh's Wild -petunia's habitat is predominantly woodland's and on rocks. Existing woodlands and rocks will not be areas subject to planting activities with this project. The dragonfly species Somatocblorageorgiana habitat is forested streams. Most of the Site's riparian areas have a narrow mature tree buffer. Planting activities will remain outside of that buffer with tree planting activities associated with this mitigation project expanding on the tree cover favored as habitat for this species. Based on initial site investigation and species habitat preferences, no impacts to state protected species are anticipated as a result of the proposed project. Neville Forms BPDP Watershed Investments NC I 9 Existing/ Historic Vegetation The majority of Tract 1 is currently planted in fescue and rye grass for hay production. Tract 2 is a mostly managed fescue lawn with a mix of other native and planted grasses. Most areas on both sides of Neville Creek have a narrow (10-15 ft) tree buffer adjacent to the stream that provides some buffer functions. This thin buffer area has a mix of native trees (Gum, Red Cedar, Ironwood, Tulip Poplar) along with some invasive shrubs (Chinese Privet, Autumn Olive). Historical imagery from 1993 confirms that this land use occurred prior to the existence of buffer protection rules for the area (See Attachment A-Figure5). Table 2.5 provides a summary of the dominant woody vegetation found in the streamside buffer area. Based on feedback from the Division of Water Resources staff, those areas with existing tree cover will be considered as Buffer Preservation for mitigation purposes. Table 2.5. Observed Native Tree and Shrub Sbecies Common Name Scientific Name Common Name Scientific Name Tulip Poplar Iiriodendmn tuli i era Ironwood Carpinuscamliniana Sweet Gum li uidambar s raci ua Loblollv Pine Pinustaeda Red Cedar junoerus ziroiniana S icebush Iindera ben in Box Elder Acer Ne Coralberrry Symphoricarpos arbiculatas Invasive plants are present in the existing woodland buffer but are not predominant at the site. Table 2.6 lists invasive species observed at the site. Discussion on the control of existing invasive can be found in the Project Planting Plan in Section 3. Table 2.6. Observed Invasive Species Common Name Scientific Name Chinese Privet Li ustmm sinense Autumn Olive Elaea nus umbellate Japanese Honeysuckle Lonicera ' onica 3.0 PROJECT PLANTING PLAN 3.1 Riparian Restoration Activities The riparian restoration will be conducted according to the temporary rule 15A NCAC 02B .0295. The restoration of plant communities within the Site will provide stabilization and improve water quality within the parcel. The protected buffer easements will be planted up to 200 feet back from the top of the stream bank, with appropriate native species observed in the surrounding forest and species known to occur in similar environmental settings. Fencing will not be installed as neither tract is used for pasture and livestock will not have access to the area adjacent to the established easement. The buffered channels will provide water quality and habitat functions within the Nutrient Sensitive Waters of Jordan Lake. Some areas of the easement may require maintenance to prevent the establishment of invasive and/or exotic species. Pre -planting treatment will be used to help remove these species limit the need for these maintenance activities. Neville Farms BPDP Watershed Investments NC 3.2 Planting Plan Revegetation of the Site will include planting bare root trees and controlling invasive species growth. Site preparation and planting of bare root stems are planned to begin April, 2016 for Phase I and February 2017 for Phase II. Phase I consists of Tract 1 and Phase II consists of Tract 2. To achieve a minimum stem density of 260 stems/acre after 5 years, planting density will be at least 436 stems/acre on 10 foot x 10 foot spacing. Volunteer species at the Site may be considered by the Division to count toward meeting these performance standards. Recruitment of volunteer species in the floodplain is anticipated due to forests that exist upstream and on the stream bank. . The Site consists predominantly of bottomlands which will be planted as Piedmont Alluvial Forest. When planting, at least four (4) species from Table 3.1 will be selected for the site with no one species comprising more than 50% of the total planted stems. Planted stock will be high quality bare root plants approximately 24 inches in height. Seedlings will be hand -planted using KBC planting bars and will be pretreated with an endo/ ectomycorrhizal spore root treatment. Table 3.1. Planned Tree Species for Phase I and Phase 11 Riparian Planting. (Note: Species availability may result in the substitution of regionally appropriate native species.) Common Name Scientific Name Yellow Po lar liriodendron tuli i era Eastern Redbud Ceras Canadensis River Birch Betula nigra Green Ash Fraxinus pennglyanica 3.3 Riparian Preservation Activities Common Name Scientific Name Swamp Chestnut Oak Qurercus michauxii Che bark Oak Quercus pagoda Sycamore Platanus occidentalis A narrow buffer of mature trees exists on the site along portions within Zones 1 and 2 of Tracts 1 and 2. Zones 1 and 2 are defined in 15A NCAC 02B .0267 and extend a maximum distance of 50 feet from the top of stream bank. The preservation area was reviewed by the Division of Water Resources and determined eligible for Buffer Preservation (see Attachment F). Preservation areas will be included in the conservation easement and invasive species populations that threaten the integrity of the native hardwood community will be controlled. There will be no planting in these areas. 3.4 Site Preparation and Invasive Species Control Soil conditions in floodplain areas, which are predominant at the site, are not compacted and not in need of disking to rip and loosen the soil. A focus of site preparation will be to treat and manage invasive species listed in Table 2.6 in buffer preservation and restoration areas. Invasive species management of existing woody invasive plants within the woodland buffer will take place during the first year post planting. Larger shrubs may be treated as a cut stump treatment while smaller vegetation is sprayed. Any applications will completed by a NC licensed pesticide applicator. In addition, within the planting areas of Tract 1 and Tract 2 herbaceous competition management will be conducted as necessary during the first full growing season. Herbaceous competition management will consist of mowing as well as targeted herbicide spraying of such species as blackberry, honeysuckle, and Johnson grass. 3.5 Easement Boundaries Two separate easements, one on Tract 1 and one on Tract 2, will be secured along with any access easements that may be necessary to provide permanent access to the conservation easement areas. Easement Neville Farms BPDP Watershed Investments NC boundaries will be identified in the field to ensure clear distinction between the Site and adjacent properties. Boundaries may be identified by marker, bollard, post, tree- blazing, or other means as allowed by site conditions and/ or conservation easement. Boundary markers disturbed, damaged, or destroyed will be repaired and/ or replaced on an as needed basis. The easement boundaries will be checked annually as part of monitoring activities with the status of the boundaries reported in annual monitoring reports. 4.0 PROJECT MONITORING AND PERFORMANCE STANDARDS Pursuant to criteria found in the Temporary Consolidated Buffer Mitigation Rule 15A NCAC 02B .0295 and Neville Farms Mitigation Banking Instrument (MBI), the measures of vegetative success for the Site will be the survival of at least 260 planted trees per acre at the end of Year 5 based on monitoring data compiled for the site and site visits by the DWR. Natural recruits will not count towards annual achievement of performance standards; however they may be taken into account during review by the NC DWR. Invasive and noxious species will be monitored and controlled so that none become dominant or alter the desired community structure of the site. 4.1 Project Monitoring Plan Riparian vegetation monitoring for Phase I and Phase II will be based on the CVS-EEP Protocol for Recording Vegetation Level 2 Plot Sampling Only Version 4.2. Annual vegetation monitoring will occur each year during the fall season with the first year for each Phase occurring at least 5 months after initial planting. The Sponsor shall submit to NCDWR an annual monitoring report for each Phase, no later than December 31 of each year for five consecutive years. Vegetation monitoring plots will be a minimum of 0.02 acres in size and cover between 2% and 2.5% of the planted area. Accordingly, four (4) plots will be used to monitor Phase 1 and 2 plots will be placed at Phase II for a total of Six (6) plots at the Site. A reference photo will be taken from the southwestern corners of each plot. All planted stems in the plots will be marked with flagging tape and recorded. Data collected will include: species, height, planting type (planted stem or volunteer), and grid location. 4.2 Adaptive Management Plan In the event that the Site, or a specific component of the Site, fails to achieve the defined performance standards, WINC will develop necessary adaptive management plans and/or implement appropriate remedial actions for the Site in coordination with the NC DWR. Remedial actions will be designed to achieve the performance standards specified previously, and will include identification of the causes of failure, remedial design approach, work schedule, and monitoring criteria that will take into account physical and climatic conditions. 4.3 Long Term Management Plan WINC, acting as the Bank Sponsor, will establish a Conservation Easement for Tract 1 and Tract 2 separately. The Bank Sponsor will monitor and maintain Tract 1 and Tract 2 for a minimum of five years post planting, or until NC DWR approval has been given. Prior to the submission of the 4thyear monitoring reports for each Tract, Tract 1 and Tract 2 will both be transferred to a responsible third party. The third parry shall be responsible for periodic inspections of Tract 1 and Tract 2 to ensure that restrictions required in the Conservation Easements are upheld. Endowment funds required to uphold easement conditions shall be negotiated prior to site transfer to the responsible parties. 8 Neville Farms BPDP Watershed Investments NC The Bank Sponsor will ensure that the Conservation Easements will allow for the implementation of the construction and monitoring period, which will be developed during the design phases and conducted by the Bank Sponsor. The Conservation Easements will allow for yearly monitoring and, if necessary, maintenance of the Site. These activities will be conducted in accordance with the terms and conditions of the Neville Farms MBI. 5.0. FINANCIAL AssuRANCE The Sponsor shall provide two financial assurances, one for Phase I and one for Phase II, in the form of Performance Bonds sufficient to assure completion of all mitigation work, required reporting and monitoring, and any remedial work required. The amounts of the assurances are driven in part by the Site meeting requirements outlined by the Division in a memo released on 4-2-14 (See Attachment G). In the memo, the Division outlines criteria that allow for a site to seek performance bond amounts commensurate with project costs. To qualify, sites must meet all of the following criteria: • Project is for riparian restoration by approved private mitigation bank; • Proposed mitigation area is 10 acres or less in size; • Project does not require fencing; and • Project does not include stream and/or wetland mitigation. The Neville Farms Bank Parcel meets all of the above criteria for both phases. As a result, performance bond amounts will be based, in part, on project specific costs. Table 5.1 summarizes the construction, monitoring, and financial assurances amounts required for the Site. Detailed information on monitoring and construction costs for Phase 1 and Phase 2 can be found in tables 5.2 through 5.5. Table 5.6 provides a list of the consultants and contractors who are planned to work on the Bank. To comply with the MBI, a performance bond will be acquired to cover 100% of construction cost or $50,000, whichever is greater. For monitoring, the bond must cover the monitoring costs or, at a minimum, be in the amount of $25,000. Alternatively, in lieu of posting the Construction Bond, the Sponsor (WINC) may elect to construct the project prior to the first credit release. Financial assurances shall be payable at the direction of the NC DWR to his designee or to a standby trust. Table 5.1. Project Cost Summary and Associated Bond Requirement 'See Table 5.2 2See Table 5.3 3See Table 5.4 4See Table 5.5 eville Farms BPDP Watershed Investments NC Construction Cost Construction Bond Amount Monitoring Costs Monitoring Bond Amount Phase 1 $29,2001 $50,000 $32,0003 $32,000 Phase 2 $16,0502 $50,000 $12,5004 $25,000 'See Table 5.2 2See Table 5.3 3See Table 5.4 4See Table 5.5 eville Farms BPDP Watershed Investments NC Table 5.2. Phase 1 Planned Construction Costs Activity Quantity Cost per Unit Application/ Handling Fees Attorney Fees Other Changes Total Cost Mitigation Banking Document 1 $1,750 $50 $0 $1,800 Bank Parcel Development Package Document 1 $5,250 50 $0 $5,300 As -Built Report 1 $3,000 $20,000 $3,000 Establishment of Vegetation Plots 4 $350 $6,000 Herbivory Control $1,400 GIS / Mapping 1 $2450 1 $2,000 $2,450 Survey 1 $2,500 $2,500 Filing of Conservation Easement/Deed 1 $550 $2,000 Total $2,000 $550 Site Preparation 1 $4,800 $4,800 Herbicide 1 $500 $500 Plants/Planting 1800 $3 $5,400 Fertilizer 0 0 Planting Contractor 1 $1,500 $1,500 Equipment Costs $0 $0 Total Planned Construction Costs $29,200 Table 5.3. Phase 1 Monitoring & Maintenance Costs Monitoring Tasks Quantity Cost (per Unit) Consultant Fees Total Cost Vegetation Plot Data Collection 4 plots $1,500 $5,000 $11,000 Data Analysis 5 years $600 $3,000 Report Documentation 5 reports 1 $1,800 1 1 $6,000 Total $20,000 Maintenance & Adaptive Mana ement Tasks if needed Herbicide / Vegetation Control 4 $1,500 $6,000 Herbivory Control 2 $1,000 $2,000 Re lantin 1 $2,000 $2,000 Total $10,000 Stewardship Inspections 10 $200 $2,000 Total $2,000 Monitoring and Maintenance Costs Total $32,000 10 Neville Farms BPDP Watershed Investments NC Table 5.4. Phase 2 Planned Construction Costs Activity Quantity Cost per Unit Application/ Handling Fees Attorney Fees Other Changes Total Cost Mitigation Banking Document 1 $1000 $50 $0 $1,050 Bank Parcel Development Package Document 1 $2,250 50 $0 $2,300 As -Built Report 1 $1,400 4 $500 $2000 $1,400 Establishment of Vegetation Plots 2 $400 1 $1,000 $1000 $800 GIS / Mapping 1 $1,100 $1,100 Survey 1 $2,000 Total $1,000 Monitoring and Maintenance Costs Total $12,500 $2,000 Filing of Conservation Easement/Deed 1 $550 $550 Site Preparation 1 $3,500 $3,500 Herbicide 1 $250 $250 Plants/Planting 700 $3 $2,100 Fertilizer 0 0 Planting Contractor 1 $1,000 $1,000 Equipment Costs $0 $0 Total Planned Construction Costs :7$16,050 Table 5.5. Phase 2 Monitoring & Maintenance Costs Monitoring Tasks Cost (per Quantity Unit) Consultant Fees Total Cost Vegetation Plot Data Collection 2 plots $1,500 $2,000 $5,000 Data Analysis 5 years $200 $1,000 Report Documentation 5 reports $500000 $2,500 Total $8,500 Maintenance & Adaptive Mana ement Tasks if needed Herbicide / Vegetation Control 4 $500 $2000 Herbivory Control $0 $0 Replanting 1 $1,000 $1000 Total $3,000 Stewardship Inspections 10 $100 $1000 Total $1,000 Monitoring and Maintenance Costs Total $12,500 11 lreville Farms BPDP Watershed Investments NC Table 5.6.Contractors/Consultants for Site Prep and Planting Contractor Bruton Natural Systems PO Box 1197 Fremont NC 27830 naturalsystems@embarqmail.com 919-242-6555 Conservation Easement Preparation Harriss& Marion, PLLC 3326 Durham -Chapel Hill Blvd P.O Box 51009 Durham, NC 27717 joe@hmattorneys.net 919-493-8421 Monitoring Services Axiom Environmental 218 Snow Avenue Raleigh, NC 27603 919-215-1693 glewis@axiomenvironmental.org 12 Neville Farms BPDP and construction of the Site. Surveying K2 Design Group 5688 US Hwy 70 East Goldsboro, NC 27534 k2design@suddenlink.net 919-751-0075 Banking Documents and Reports Preparation Watershed Investments NC 1630 Weatherford Circle Raleigh NC 27604 mherrrnann@watershedinvestmentsnc.net 919-559-6264 Watershed investments NC 6.0 MITIGATION POTENTIAL As noted in the Neville Farms MBI, buffer credit determination is subject to the Temporary Buffer Rule 15A NCAC 02B .0295(h) and (i). Figures 6-A and 6-B identify the riparian areas and credit types sought for Phases 1 and Phase 2, respectively. Buffer credit will be generated from both Preservation and Restoration activities. Details of the planting and restoration activities planned for the Site are outlined in Section 3.0 In accordance with Rule 15A NCAC 02B .0295, the width of the buffer/nutrient credit generation area will begin at the most landward limit of the top of bank or the rooted herbaceous vegetation and extend landward to a maximum distance of 200 feet. Nutrient offsets will not be generated within the areas described as Preservation. Preservation areas meet the requirements described in .0295 (m)(2)(D) — Preservation of Buffers on Subject Streams. Restoration areas meet the requirements of .0295(i) — Riparian Restoration or Enhancement. Nutrient Offset credits sought are consistent with rules 15A NCAC 02B.0240 and .0273. The Site will be constructed consistent with the Neville Farms MBI, but will be completed in two phases. Following approval of the BPDP, conservation easement surveys for Tract I and Tract 2 will be submitted to the Division for approval prior to being recorded with the Orange County Register of Deeds office. Final surveys of the mitigation areas on Tracts 1 and 2will also be conducted after construction has been completed and will be submitted to the Division for approval with their as -built reports. Tables 6.1 through 6.4 provide a summary of the Jordan Lake riparian buffer credits and nutrient offset credit calculations for phases 1 and 2 of the Site. As planned, the following credits are requested with the approval of the Neville Farms BPDP: Phase 1 (Tract 1) • Riparian Buffer Preservation: 0.62 acres for a credit of 2,700.7 square feet (ft2) • Nutrient Offset: 3.70 acres (7,143.38 lbs -N delivered and 420.341bs-P delivered) Phase 2 (Tract 2) • Riparian Buffer Restoration: 1.20 acres for a credit of 51,400.8 square feet (ft2) • Riparian Buffer Preservation: .6 acres for a credit of 2787.8 square feet (ft2) 13 Neville Farms BPDP Watershed Investments NC Table 6.1. Phase 1 Neville Farms Buffer Credit Generation Summary Buffer Zone Mitigation Type Ratio Phase 1 Area ac Credit Per Acre Total Buffer Credit Zone A Buffer 1 area Offset Credit Yield Credit (0-50 ft) Presen ation 10:1 0.62 4,356 2,700.7 Total Riparian Preservation for Buffer credit 0.62 n/a 2,700.7 Table 6.2. Phase 1 Neville Farms Nutrient Offset Credit Generation Summary Buffer Mitigation Type Phase Generated Nutrient Generated Offset Delivery Factor Delivered Offset Zone 1 area Offset Credit Yield Credit for Offsets Credit (lb/3r/ac) (ac) N lbs/ac P ibs/ac N lbs P lbs %N %P N lbs P lbs Zone ft Buffer 0-50 ft Restoration 0.68 1,475.10 97.79 1,312.84 77.25 Zone B Riparian 51-100 ft Restoration 1.29 2,169.26 143.81 2798.35 185.51 89 79 2490.53 146.55 Zone C Riparian 101-200 Restoration 1.73 3,752.82 248.79 3,340.01 196.54 Total Riparian Restoration for Nutrient Offset Credit 3.70 8,026.27 532.09 7,143.38 420.34 14 Table 6.3. Phase 2 Neville Farms Buffer Credit Generation Summary Buffer Mitigation Type Ratio Phase 2 Credit Per Total Buffer Zone 2 area Offset Credit Yield b/3 r/ac Area ac Acre Credit Zone Buffer Restoration 1:1 0.68 43,560 29,620.8 A (0-50 ft) Buffer 10:1 0.55 4,356 2395.8 Preservation Riparian 0.68 Zone B Restoration 1:1 0.48 43,560 20,908.8 (51-100 ft) Riparian Preservation 10:1 0.09 4,356 392.0 Riparian o l:1 & 50 /0 0.04 21,780 871.2 Zone C Restoration 436.44 97.20 89 79 (101-200) 76.79 Zone C Total Riparian Restoration for Buffer credit 1.20 n/a 51,400.8 Total Riparian Preservation for Buffer credit 0.60 n/a 2787.8 Table 6.4. Phase 2Neville Famrs Nutrient Offset Credit Genetation Summary Buffer Mitigation Type Phase Generated Nutrient *GeneratedOffset Delivet7Factor *Delivered Offset Zone 2 area Offset Credit Yield b/3 r/ac Credit for Offsets Credit ac N P N Ibs P Ibs 01-N %P N lbs P Ibs ZoneA Buffer 0.68 618.29 137.70 550.28 108.78 0-50 Restoration Zone B Ripanan Restoration 51-100 t 0.48 909.25 202.50 436.44 97.20 89 79 388.43 76.79 Zone C Riparian Restoration 0.04 36.37 8.10 32.37 6.40 101-200 Total Riparian Restoration I1.20 for Nutrient Offset Credit 1091.10 243.0 971.08 191.97 *� ore: In the BPDP. [Y C is requesting buffer mitigation from Phase 2 and is providing this information far supporting documentation in case a request is made to transfer creditfivm buffer to nutrient offset. Any transfer of mdit from buffer to nutrient must be reviewed and approved by the Division prior to transfer. 15 Vv ..c;� st^r "U To comply with the requirements of 15A NCAC 02B .0273(2)(d)(i), nutrient credit sales (nitrogen (I) and phosphorous (P)) will need to "account for differences in instream nutrient losses between the location of the reduction need and excess loading reduction in reaching the affected arm of Jordan Reservoir". To accomplish this, delivery factors are applied to nutrient offsets generated at Neville Farms to calculate the nutrient pounds delivered to Jordan Lake. Nutrient offset credits, therefore, take into account nutrient deliveries to the lake. Attachment I provides the Division's determination of delivery factors that apply to this Site. Neville Farms falls into Zone 9 for N and Zone 8 for P resulting in delivery factors of 89% and 79%, respectively. As indicated in the Site's MBI, credits generated from riparian buffer restoration activities can be converted and transferred from buffer credits to nutrient offset credits with Division approval and from nutrient offset credits to buffer credits. However, when converting from nutrient offsets to buffer, all applicable ratios and percentages of full credit will apply according to 15A NCAC 02B .0295. As indicated in the Neville Farms MBI, Tract 2, which will be constructed in Phase 2, requires differing methods to develop available nutrient credits than Tract 1. At the Division's direction, WINC used the Jordan -Falls Stormwater Accounting Tool QFSAT) to calculate nutrient offsets for Tract 2. Based on the application of the JFSAT, the generated nutrient offset credits available for land conversion of 1.20 acres from residential managed turf to riparian forest and reduction of the runoff from approximately 30 acres of land draining to Tract 2 are 1,091.10 lbs N and 243.00lbs P. With application of the delivery factor 89% for nitrogen and 79% for phosphorous, the delivered nutrient offset credits available for 1.20 acres riparian restoration on Tract 2 are 971.08 N lbs and 191.97 P lbs. Attachment H provides a summary of the Division's approval of Tract 2's credit calculation along with a summary of the methods used in the calculation. Neville Farms' Nutrient Offset and Riparian Buffer credits will not be debited within the same area (not stacked). The Neville Farms Bank will service impacts within the Upper New Hope Subwatershed of Jordan Lake. 16 Neville Farms BPDP Watershed Investments NC ?.O REFERENCES: Griffith, G.E., Omernik, J.M., Comstock, J.A., Schafale, M.P., McNab, W.H.,Lenat, D.R., and MacPherson, T.F., 2002, Ecoregions of North Carolina, U.S. Environmental Protection Agency, Corvallis, OR. NC Natural Heritage Program. 2014. NC Natural Heritage Program List of Rare Plant Species of North Carolina. Online at htt2://12ortal.ncdenr.org/c/document hbrar,y/get file?uuid=4eaaf9f2-e30b- 4c19-809b-fcb12e0daffl&groupld=61587. Accessed 4/24/15. NC State Historic Preservation Office. 2015. HPOWEB GIS Service. Online at http://gis.ncdcr.gov/hl2oweb/ (Accessed 4/7/15) NC Division of Water Resources. 2014. 2014 NC Water Quality Assessment for 305(b). Online at: hitp://12ortal.ncdenr.org/web/"­wq/­12s/mtu/assessment. NC Division of Water Resources. 2015. Site Viability Response Letter. 4/6/15. Orange County, NC. 2015. Orange County Flood Determination Response Letter. 4/9/2015. Paulson, D. 2011. Dragonflies and Damselflies of the East. Princeton University Press. 544pg. Shafale, M. P., and Weakley, A.S. 1990. Classification of the natural communities of North Carolina, third approximation. NC Department of Environment and Natural Resources, Natural Heritage Program. Raleigh, NC. U.S. Department of Agriculture. 2015. Web Soil Survey Report. Accessed online 3/15/15 hrt:%/websoilsurveh.sc.egov.usda.gov/App/HomePage.htm U.S. Fish and Wildlife Service. 2012. Endangered and Threatened Species and Species of Concern by County for North Carolina. Online at htW://www.fws.Vov/raleioh/species/cntylist/orange.html (Accessed 4/8/15). 17 Neville Farms BPDP Watershed investments N[; ATTACHMENTS Neville Farms &PDP Watershed Investments NC ATTACHMENT A. Supporting Figures Figure 1. USGS 1:24,000 Topo Map & Site Location . .7V77-77, 77' i - 4 .� � •erg rE "S+ "�T1r� .-. .� .ti...- �. � r t _ — 1 M1 7' _ T. a ` �l . . v t i L ') rEff -I- t Project Site L t, I - I `T s9 r . \\ .. r dwr . , Stem Ossipee if Legend �Eicn HawU �1 Creedmacr River f Butner,: - - Nevile farms 56E Graham Hillsboro ughp)�,�" f._,M1 Alamance '� Praje t Properties Chapeii Hill Ii RLrham k , , Streams :;from Th -pc ma c �arrbaro Rale) lh I-iberfy y� f g: `.� = rids Ix". h�lorrisvalle -Staley fra Siter :..:_.. F.� Cary I�•�,^„ountg8cundsYy City Pittsborc px U'SATopo. Mans Garrde [I - tl ^- CI Holly ,_ �t S rin s .^.+angeFarcEiE��r�a-i« = P g .Sanford w _ ----, Figure 2. Project Site Map. (See Attachment I for photos associated with photo points.) A-2 Figure 3. Neville Farm Watershed Setting/Service Area. A-3 Figure 4. Neville Farm SSURGO Soils Map (Source: USDA 2015) A-4 t I Planned Easement A, 10, A-6 Figure 6-B. Neville Farms Tract 2 Buffer Mitigation and Riparian Zones. A-7 �r c' c.. z" l a t A',. a f' i ♦ �' r�' n s �r of .. hk Legend Nevike Creek ® Pre—tion(Bu6er) Tract 2 Buffer Mitigation Credit = BuHe: Miugatiaa Type Zoete Ceedn T Rano Tract2 Aesa - Caedit Per Aero 7ota1Hulfer Credir Q Easement Boundary (Planned) Zone 3 Boffn Resmrn¢on Buffer i0-50 1:1 0:68 43,560 29,620.8 N h? rasn.a�aa 10.1 0.55 4,356 2,3955 Buffer Zone Zonr B ReeRpro ewu 1.1 0.48 43,560 201908 8 � A (0 - 50t) N (31-100ft) p� 10.1 009 +356 3920 { Of0 6b1-10 Zoaee Rerzomoaa I & 509a 0.04 21,-80 8-12 it C (101 - 200R) (101 _'00.3 Rrpvmn PZeS41� 10.7 h5U<b 0.6 � ,l %8 � D "' R1par as Rexoradon far Butfer eredit 1.20 n/a 31,400.8 — Rwds 0 t o0 200 Total Ripariaaprestt. donfor Buf[ esedie 0.60 1 a/a 2787,8 Fe2i A-7 Attachment B. Orange County Stream Determination Documentation From: Wesley Poole <wpoole@orangecountync.gov> Sent: Monday, February 9, 2015 4:55 PM To: 'mherrmann' Cc: 'katie.merritt@ncdenr.gov'; Howard W. Fleming Subject: RE: Orange County - Jordan Lake Stream Call for potential Nutrient Offset/Buffer Credit - Neville Farm Attachments: Site Assessment Map (PIN 9767295479) 2 SMS 02-09-15.pdf Mike / Katie, I had our Current Planning Division here at Orange County put together the attached "Site Assessment" showing current environmental conditions on the southernmost property bordering the stream in question. This is a standard document given to citizen's inquiring about parcels of land. Our system is organized by PINS instead of physical addresses or latitudes / longitudes, but you should be able to easily cross reference the supplied data. The stream in question is shown on both the USGS and Soil Survey, hence portrayal on our GIS System. It also has associated floodway / floodplain with approximate required Orange County stream buffers as shown. With regards to the question of it being a jurisdictional stream subject to buffer rules—Orange County is delegated by DWR to conduct Surface Water Determinations and our protocol is as follows: a stream is considered as jurisdictional if it shows up on the Orange County GIS System (a collection of both USGS and Soil Survey Streams) and can only be removed by staff certified in Surface Water Identification after a jurisdictional call of removal is made at the required cost for assessment ($200 for 1-2 Determinations/Site ). Our aerial imagery clearly shows the section of Neville Creek in question as a "water flowing" feature, so I saw no reason for a site visit at the expense of the client. This imagery can be viewed at the following link: http://server2.co.orange.nc.us/OrangeNCGIS/defauIt.aspx Please advise if further verification is needed. Thanks, Wesley Poole Erosion Control & Stormwater Officer II Orange County Planning & Inspections Dept. (919)245-2587 From: mherrmann [ma i Ito: m herrma n n(awatershed i nvestmentsnc. net] Sent: Monday, February 09, 2015 8:05 AM To: Wesley Poole Subject: FW: Orange County - Jordan Lake Stream Call for potential Nutrient Offset/Buffer Credit - Neville Farm Hi Wesley — Would you be able to provide the documentation that Katie mentions? I think the assessment you referenced would be good supporting evidence but I'll also need documentation from you or someone else at the county who can make stream determinations that the stream section on II: Neville Creek is subject to the buffer rules. The lat/long for the site that I've been using is 35.891902 N, - 79.128051 W. -Mike From: Merritt, Katie[mailto:katie.merritt(d)ncdenr.govl Sent: Friday, February 6, 2015 3:09 PM To: mherrmann Ce: wpooleCcboran ecountync.4ov Subject: RE: Orange County - Jordan Lake Stream Call for potential Nutrient Offset/Buffer Credit - Neville Farm Hi Mike, An email from Orange County will suffice. Ask for the exact location (physical) and long/lat of the feature they are making the jurisdictional call on. Thank you, katie From: mherrmann [-nalito:mherrmannC�watershed investmentsnc.netl Sent: Friday, February 06, 2015 12:39 PM To: Merritt, Katie Ce: _vpoole@orangecountync.gov Subject: FW: Orange County - Jordan Lake Stream Call for potential Nutrient Offset/Buffer Credit - Neville Farm Hi Kati- - I contacted Wesley Poole from Orange Countv Soil and Water about the Neville Farm site I reference Ir the email I'm forwarding. Due to the size of the stream he observed on aerial photography and ics presence on the 1:24,000 topographic map, Mr. Poole determined that the stream section in ouestior would be jurisdictional and subject to the buffer rule and that a field determination was not necessary: What information would you like me to have to document his determination? -Mike p.s. I left you a voicemail this morning regarding this. Please feel free to respond via email or phone. Mike Herrmann 1630 Weatherford Circle Raleigh, NC 27604 (p) 919-559-6264 mherrmann &watershedinvestmen tsnc.net wu»v.matenrhedinve.rtmentrnc. net This electronic mail communication may contain privileged, confidential, and/or proprietary information which is the property of Watershed Investments NC, LLC or one of its affiliates. If you are not the intended recipient or an authorized agent of the intended recipient please delete this communication and notify the sender that you have received it in error. Site Assessment for PIN:9767-29-5479 Environmental Features -Stream buffer and/or Floodplain located on lot. 200' grass stream Site Data buffer. Some wooded areas on northern property may qualify for Zoning: RB 100' woods buffer. Acreage:8.79 acres within Orange County -Base Flood Elevation (BFE) is: 422 Overlay Districts: University Lake Protected -Finished Floor Elevation (FFE) is : 424 Plat/Legal Description: DB 4978 / PG 491 Plat Book 497 I PG 591 Recorded Declarations/Covenants: Impervious Surface Limits: 6% max. (22,973.5 sq ft. max based on 8.79 acres). Zoning Requirements Min. Lot Size: 87,120 sq. ft. Land Disturbance Thresholds Min. lot width: 130' 1) Environmental Control Permit required if disturbing more than Maximum height: 25' 10,000 sq.ft.; and Building Setbacks: 2) Stormwater Management Permit required if disturbing more -Front (and Corner lots) = 40' from public rights-of-way than 43,560 sq. ft. for residential structures. Side Setbacks = 20' from side lot lines -Rear Yard Setback = 20' from rear lot lines Date Site Assessment Completed:219/2015 by SMS Note: Lot size, building setbacks and stream buffers may i' 6�"D� s increase based on Private Road Justification (UDO 7.8.5). it r �� rR� tPo :vsa A r._ ✓, Jt,� JJ` _ r U 3niversity L e e Protec Watemn 71 ea,+oma®r J L ` OAOO�rJ, C,D^ J g 9- �.$g , co �.. • /// rir o , U^ to w PIN#:9767295479 ryry "ut! JOHN THOMAS MCGEE " f M Data shown on this map is obtained from Orange County JANINE M MCGEE N GIS and is for reference only. Exact locations and boundaries should be verified. 2201 STANSBURY RD SQ, M Map prepared by Orange County Planning & Inspections CHAPEL HILL, NC 27516 497' 02/09/2015-smschultz ,rr ,.. Streams (Deleted) 2' Contours (NCDOT) 100 YR Floodplain N USGS Stream Parcels (Effective 02/02/07) Soils Survey Stream Zoning Floodway <j" Floodplain Buffer 65ft (Effective 02/02/07) P Watershed 500 Year Floodplains�_3 1 inch 200 feet Stream Buffer 65ft Soils (Effective 02/02/07) Feet Attachment C. Orange County Floodplain and Project Review. ORANGE COUNTY PLANNING & INSPECTIONS DEPARTMENT Craig N. Benedict, AICP, Director Current Planning (919) 245-2575 (919) 644-3002 (FAX) www.co.orange.nc.us 131 West Margaret Lane P O Box 8181 Hillsborough, North Carolina, 27278 April 9, 2015 Mike Herrmann 1630 Weatherford Circle Raleigh, NC 27604 RE: ORANGE COUNTY FLOOD PERMIT DETERMINATION — proposed establishment of conservation area and replanting of vegetation within identified Special Flood Hazard Area (SFHA) Overlay District for 2 parcels of property (PINS 9768-11-1753 and 9767-29-5479) To Whom It May Concern: Orange County is in receipt of a Floodplain Development Permit proposing the reforesting of property within an identified floodplain. Specifically, the project will involve the planting of native trees along Neville Creek to on the following parcels: An approximately 112 acre parcel of property owned by Nettie Gambill, no assigned physical address, identified utilizing Orange County Parcel Identification Number (PIN) 9768-11-1753, and 2. An approximately 8.7 acre parcel of property owned by John and Janine McGee with a physical street address of 2201 Stansbury Road further identified utilizing Orange County Parcel Identification Number (PIN) 9767-29-5479. The parcels identified herein are both zoned: • Rural Buffer (RB), • University Lake Protected Watershed Protection Overlay District, and • Special Flood Hazard Area Overlay District (SFHA) The SFHA district, as you are already aware, indicates there is identified floodplain on the 2 properties, as denoted on Federal Insurance Rate Maps (FIRM) number 3701983100J panel(s) 9768 and 9767 J respectively with an effective date of February 2, 2007 (hereafter `the property'). C-1 The project is intended to reestablish protective vegetative cover along the aforementioned waterway. According to the information supplied to staff the project will not involve the excavation existing land, or the depositing of fill material, within the floodplain. The submitted map does not indicate the presence of wetlands within the project area (hereafter `the project'). As a result of the properties being located within the SFHA district, development projects are required to demonstrate compliance with established flood regulations as embodied within the Orange County Unified Development Ordinance (UDO). The County also has regulations requiring the protection of the natural areas around water features (i.e. stream buffers) regulations as detailed within Article 6 of the UDO. Staff has been asked to review the proposal and determine compliance with applicable County regulations. This project involves the review of several agencies, most notably the NC Department of Environment and Natural Resources (DENR), in determining the viability of the project. This letter only focuses on any local (i.e. Orange County) permit standards and does not presume to identify requirements associated with any other permitting process. Upon review of the proposal, staff would like to offer the following comments: 1. The request has been submitted in accordance with the provisions of Section 2.6.2 Floodplain Development Permit and Certificate Requirements — Plans and Application Requirements of the UDO. 2. Per Section 6.13.6 Stream Buffers — Uses Allowable Within Stream Buffers of the UDO `restoration of stream buffers' is allowed as a `matter of right' within identified stream buffers. 3. In reviewing the submitted plan the project does not call for the depositing of fill material within the identified floodplain or the floodway. Grading activities will be limited to those portions of the project requiring the actual disturbance of land area for the purpose of re-establishing native vegetation. 4. In reviewing the submitted site plan there does not appear to be any alteration of existing grade or the `mass grading' of property to accommodate the project. 5. Per Section 6.6.1 (14) of the UDO disturbance projects within identified floodplains shall: `minimize flood damage consistent with these and other applicable County regulations'. Based on the submitted documentation it would appear the project will comply with applicable development guidelines associated with the SFHA Overlay District and is consistent with FEMA regulations governing land disturbance activities within identified floodplain areas. Based on the submitted documentation, and in accordance with Section 2.6.2 of the UDO, staff can issue approval for the project, from both a zoning and flood permitting standpoint. The project will not require additional floodplain analysis as the reestablishment of C-2 Attachment D. State Historic Preservation Office Review North Carolina Department of Cultural Resources State Historic Preservation Office Ramona M. Banos, Administrator Governor Pat McCrory Secretary Susan Kluttz March 10, 2015 Mike Herrmann Watershed Investments 1630 Weatherford Circle Raleigh, NC 27604 Office of Archives and History Deputy Secretary Kevin Cherry Re: Neville Farm Nutrient and Buffer Mitigation Bank Site, Orange County, ER 15-0389 Dear Mr. Herrmann: Thank you for your letter of February 21, 2015, concerning the above project. We have conducted a review of the project and are aware of no historic resources which would be affected by the project. Therefore, we have no comment on the project as proposed. The above comments are made pursuant to Section 106 of the National Historic Preservation Act and the Advisory Council on Historic Preservation's Regulations for Compliance with Section 106 codified at 36 CFR Part 800. Thank you for your cooperation and consideration. If you have questions concerning the above comment, contact Renee Gledhill -Earley, environmental review coordinator, at 919-807-6579 or environmental.review&ncdcr.gov. In all future communication concerning this project, please cite the above referenced tracking number. Sincerely, Ramona M. Bartos a Location: 109 Fast Jones Street, Raleigh NC 27601 Mailing Address: 4617 Mail Service Center, Raleigh NC 27699-4617 Telephone/Fax: (919) 807-6570/807-6599 D-1 vegetation is not deemed to create/impact existing floodways. The project, in fact, will help to bring the property back into compliance with applicable stream buffer regulations and further stabilize the banks of Neville Creek. Please note land disturbing activities shall be permitted to commence once all other required permitting processes have been adhered to, including any applicable Erosion Control permits issued by Orange County and any required State/Federal permits, with copies of said authorizations being provided to the County for our records. The Orange County Planning department looks forward to continue working with you on this project. Please contact staff at (919) 245-2575 for additional assistance. CC: Craig Benedict, Planning Director Howard Fleming Jr, Erosion Control Wesley Poole, Erosion Control James Bryan, Staff Attorney File Sincerely, M Michael- Harve , CFO, CZO Current Planning Supervisor Orange County C-3 Attachment E. Natural Heritage Program Project Review �� NCDENR North Carolina Department of Environment and Natural Resources Office of Land and Water Stewardship Pat McCrory Bryan Gossage Donald R. van der Vaart Governor Director Secretary February 27, 2015 Mr. Mike Herrmann Watershed Investments NC 1630 Weatherford Circle Raleigh, North Carolina 27604 mherrmann@watershedinvestmentsnc.net RE: Neville Farms Nutrient and Buffer Mitigation Bank Site, Orange County, North Carolina Dear Mr. Herrmann: Thank you for the opportunity to provide information from the North Carolina Natural Heritage Program (NCNHP) database for the proposed project referenced above. The NCNHP database shows a record for a rare species— Pursh's Wild -petunia —that may occur within or nearby the proposed project area, and also a property owned by Orange County and considered to be Orange County open space immediately east and adjacent to the project area along Neville's Creek. Within one mile of the project area, the NCNHP database shows element occurrence records for the following rare species: For status and accuracy definitions, please see the Rare Species Status Definitions and Element Occurrences documents at https://ncnhde.natureserve.org/content/help. The occurrence record for Pursh's Wild -petunia is from a dry road bank in the vicinity of Neville's Creek near University Lake, and is mapped in the NCNHP database as potentially occurring within your project area. Although the record for Pursh's Wild -petunia is considered to be historical, the last observation was made in 1940 by Al Radford and according to the NCNHP database the area has not been surveyed since the original observation. The occurrence record for Coppery Emerald has very low accuracy due to the lack of site-specific locational information associated with the record, but this species has been documented in Orange County. In addition, the NCNHP database shows several conservation/managed areas within one mile of the project area, including the property owned by Orange County adjacent to the eastern portion of the project area as noted above, as well as other Orange County open space properties upstream and downstream from the project, a conservation easement managed by the Triangle Land Conservancy ca. 0.45 miles east of the project, and properties under conservation easement managed by Earthmark North Carolina, LLC, located ca. 0.9 miles northwest of the project area. 1601 Mail Service Center. Raleigh, North Carolina 27699-1601 Phone: 919-707-86001 Internet: www.ncdenr.gov An Equal Opportunity 1 Affirmative Action Employer - Made in part by recycled paper E-1 ELEMENT OCCURRENCE STATE FEDERAL SCIENTIFIC NAME COMMON NAME STATUS ACCURACY STATUS STATUS Ruellia purshiona Pursh's Wild -petunia Historical Low SC -V -- Somatochlora georgiona Coppery Emerald I Historical I Very Low SR For status and accuracy definitions, please see the Rare Species Status Definitions and Element Occurrences documents at https://ncnhde.natureserve.org/content/help. The occurrence record for Pursh's Wild -petunia is from a dry road bank in the vicinity of Neville's Creek near University Lake, and is mapped in the NCNHP database as potentially occurring within your project area. Although the record for Pursh's Wild -petunia is considered to be historical, the last observation was made in 1940 by Al Radford and according to the NCNHP database the area has not been surveyed since the original observation. The occurrence record for Coppery Emerald has very low accuracy due to the lack of site-specific locational information associated with the record, but this species has been documented in Orange County. In addition, the NCNHP database shows several conservation/managed areas within one mile of the project area, including the property owned by Orange County adjacent to the eastern portion of the project area as noted above, as well as other Orange County open space properties upstream and downstream from the project, a conservation easement managed by the Triangle Land Conservancy ca. 0.45 miles east of the project, and properties under conservation easement managed by Earthmark North Carolina, LLC, located ca. 0.9 miles northwest of the project area. 1601 Mail Service Center. Raleigh, North Carolina 27699-1601 Phone: 919-707-86001 Internet: www.ncdenr.gov An Equal Opportunity 1 Affirmative Action Employer - Made in part by recycled paper E-1 Neville Farms Nutrient and Buffer Mitigation Bank Site, Orange County, North Carolina February 27, 2015 Page 2 The locations of natural areas and conservation/managed areas near the project area may be viewed by accessing the Natural Heritage Data Explorer online map viewer, or by downloading and using Geographic Information System (GIS) data; both options are available from the NCNHP Data Services webpage (www.ncnhp.org). Please note that occurrences of rare species documented within one mile of the proposed project area increase the likelihood that these species may be present within the project area if suitable habitat exists. The use of Natural Heritage Program data should not be substituted for actual field surveys if needed, particularly if the project area contains suitable habitat for rare species. If rare species are found during field surveys, the NCNHP would appreciate receiving this information so that we may update our database. Thank you for your inquiry, and please feel free to contact me at Allison.Weaklev@ncdenr.gov or 919- 707-8629 if you have questions or need additional information. Sincerely, Allison Schwarz Weakley, Conservation Planner NC Natural Heritage Program E-2 Attachment F. Division of Water Resources Project Viability Letter FWA RCDENR North Carolina Department of Environment and Natural Resources Pat McCrory Governor April 6, 2015 Mike Hermann Watershed Investments NC, LLC 1630 Weatherford Circle Raleigh, NC 27604 (via electronic mail) Re: Site Viability for Buffer Mitigation & Nutrient Offset — Neville Creek Near 1501 Old Greensboro Rd, Chapel Hill, NC Orange County Dear Mike, Donald R. van der Vaart Secretary On February 13, 2015, Katie Merritt, with the Division of Water Resources (DWR), received a request from Watershed Investments NC, LLC (WI) for a site visit near the above -referenced site to determine the potential for nutrient offset and Jordan riparian buffer mitigation. On March 24, 2015, Ms. Merritt performed a site assessment of two properties near the subject site, which are more accurately described in the attached aerial map. If approved, mitigating these properties could provide riparian buffer credits and/or nutrient offset credits within the Upper New Hope Watershed of the Cape Fear River Basin. Ms. Merritt's evaluation of the two properties' for buffer and nutrient offset mitigation is shown below: Gambill Propertv • Stream onsite is Neville Creek and was determined to be at least Intermittent by the Town of Chapel Hill (email from Wesley Poole with Orange County on February 9, 2015). • The narrow forest fringe along Neville Creek was described to be mature with a closed canopy the entire length of Zone 1 of the proposed mitigation area. Therefore, Zone 1 is viable for buffer preservation only and suitable for buffer mitigation credit only. • The existing land use condition within Zone 2 of the Jordan buffer (21-50') was determined to be active hay crop cultivation. Therefore, Zone 2 is viable for buffer restoration and suitable for either buffer mitigation credit or nutrient offset credit. • The existing land use of the riparian area located outside of the Jordan buffer (51-200') was determined to be active hay crop cultivation. Therefore, this area is viable for riparian restoration and suitable for either buffer mitigation credit or nutrient offset credit. McGee Property • Stream onsite is Neville Creek and was determined to be at least Intermittent by the Town of Chapel Hill (email from Wesley Poole with Orange County on February 9, 2015). Division of Water Resources - 401 and Buffer Permitting Unit 1617 Mail Service Center, Raleigh, North Carolina 27699-1617 Location: 512 N. Salisbury St. Raleigh, North Carolina 27604 Phone: 919-807-63001 FAX: 919-807-6494 Internet: www.ncwaterquality.org An Equal Opportunity k Affirmabve Action Employer - Made in part by recycled paper F-1 The existing land use condition within Zone 1 and Zone 2 of the Jordan buffer (0-50') was determined to be a mixture of mature hardwood trees with a disturbed understory dominated by invasives. The area within the Jordan buffer was determined to be viable for buffer restoration and suitable for buffer mitigation credit only. Site preparation will be needed to manually remove the invasives. Additionally, all of the erosional gullies and holes must be filled and stabilized to promote diffuse flow of stormwater runoff within the buffer. All trees must be surveyed out of the total square footage of the proposed mitigation area. The existing land use condition outside of the Jordan buffer (51-200') was determined to be a maintained lawn and not in agriculture. This area is viable for riparian restoration and suitable for only buffer mitigation. A map showing the project site is provided and signed by Ms. Merritt on April 6, 2015. For any areas depicted as not being viable for nutrient offset credit above, WI 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 according to 15A NCAC 02B.0240. Please contact Katie Merritt at (919)-807-6371 if you have any questions regarding this correspondence. KAHJkm Attachments: Site Aerial Map cc:File Copy (Katie Merritt) Sincerely, r° 1 Karen Higgins, Supervisor 401 and Buffer Permitting Unit F-2 Attachment G. Division of Water Resources Finacial Assurance Guidance Memorandum -7,4-#A- NCMF R North Carolina Department of Environment and Natural Resources Pat McCrory Governor April 2, 2014 MEMORANDUM TO: Approved Nutrient Offset & Riparian Buffer Mitigation Banks in NC FROM: Katie Merritt O ' `- Nutrient Offset & Buffer Banking Coordinator -- Division of Water Resources THROUGH: Karen Higgins 401 and Buffer Permitting Unit - Division of Water Resources Supervisor ,John E. Skvarla, III Secretary SUBJECT: Notification of potential changes to performance bond requirements for construction and monitoring costs of nutrient offset and riparian buffer mitigation banks in NC On February 19, 2014, Assistant Secretary of the North Carolina (NC) Department of Environment & Natural Resources, Mitch Gillespie, responded to a concerned citizen's letter requesting staff within the Division of Water Resources (DWR) re-evaluate the minimum requirements of performance bonds for nutrient offset and riparian buffer mitigation banks in NC. Currently, the requirements are a minimum of $150,000 and $100,000 for construction and monitoring costs respectively. Staff within the 401 & Buffer Permitting Unit of the DWR, conducted a thorough review of information received from mitigation providers and consultants and determined that performance bonds less than the current minimum bond requirements may be accepted on a case by case basis. Restrictions to the changes in bonding amounts are as follows: • Applicable for riparian restoration projects conducted by approved private mitigation banks only; • Applicable for projects 10 acres or less in size as shown on a survey; • Applicable for projects that do not include fencing as part of the approval for mitigation; • Not applicable for projects that include stream and/or wetland mitigation; and • No bond shall be less than $50,000 and $25,000 for construction and monitoring costs respectively. In accordance with the statement provided in Mr. Gillespie's response letter, the following applies: • "Operational procedures that are not in direct compliance with existing Umbrella Mitigation Banking Instruments (LIMBI) will need to be approved prior to implementation ". Therefore, mitigation bank sponsors who would like to modify the performance bond requirements on buffer/nutrient offset riparian restoration projects may submit a modification of their existing UMBI for review and approval by the Director of the Division of Water Resources (DWR), prior to implementation. Please contact Katie Merritt at 919-807-6371 or katie.inerritl@.ncdenr.gov for UMBI modification requests or questions regarding this correspondence. Division of Water Resources - 401 & Buffer Permitting Unit 1650 Mail Service Center, Raleigh, North Carolina 27699-1650 Location: 512 N. Salisbury St. Raleigh, North Carolina 27604 Phone: 919-807-63001 FAX: 919-807-6494 Internet: www.ncwaterquality.org An Equal Opportunity 1 Affumalive Action Employer - Made in par[ by recycled paper G-1 F-3 m pp HL ;17 40 d rx �7 77777-,-,wW 4 1:000 I u An Ll LL F-3 m Attachment H. NC DWR Approval Notice and Support Materials for Tract 2's Nutrient Credit Calculation. From: Davis, Amin <amin.davis@ncdenr.gov> Sent: Thursday, July 23, 2015 1:22 PM To: mike —herrmann@hotmail.com; mherrmann Cc: Gannon, Rich; Merritt, Katie Subject: RE: Neville Farms Tract 2 Nutrient Credit Calculation MIKE — I have reviewed your information and it appears to adequately document the site and associated offset credit calculations. Rich informed me that you and he spoke yesterday and the processing of your site information through DWR will take a couple of months. I'm sure we'll be in touch as things move forward. Amin From: Davis, Amin Sent: Tuesday, July 21, 2015 2:44 PM To: 'mike—herrmann@hotmail.com'; 'mherrmann' Cc: Gannon, Rich Subject: RE: Neville Farms Tract 2 Nutrient Credit Calculation MIKE — Thank you for sending this updated information. I will be in touch with you later this week regarding confirmation and next steps. Amin Amin Davis Watershed Restoration Specialist NCDENR Division of Water Resources Nonpoint Source Planning Branch 1617 Mail Service Center, Raleigh NC 27699-1617 919-807-6439 amin.davis@ncdenr.gov http://Portal.ncdenr.org/web/`wq/ps/`nps From: mike herrmann(a)hotmail.com [mailto:mike herrmannCnI)hotmail.com) Sent: Friday, July 17, 2015 4:20 PM To: Davis, Amin Subject: Fwd: Neville Farms Tract 2 Nutrient Credit Calculation Hi Amin, Attached are the nutrient calculation materials for Tract 2. The edits you suggested have been made to Attachment A. The remaining materials remain the same. If you are satisfied that these materials adequately document the site and offset credit calculation, I'll need a communication from your Branch stating that. Thank you, H-1 ku 01 Q Investments July 16, 2015 Amin Davis Nonpoint Source Planning Branch 1617 Mail Service Center Raleigh, NC 27699-1617 Subject: Nutrient Offset Credit Claculation Materials for Neville Farms —Tract 2 Mr. Davis Attached for your review is the nutrient offset credit calculation and supporting materials for the Tract 2 (McGee Site) of the Neville Farms Riparian Buffer and Nutrient Offset Mitigation Bank. The following attachments are included in this submission: A. Summary of Project and Nutrient Offset Calculation B. Copy of Jordan Falls Stormwater Tool Data Sheets C. Map of Tract 2 Portion the Neville Farms Nutrient Offset and Buffer Mitigation Bank D. 401 & Buffer Unit Determination Letter ktmmvd in dir Att citment as it k a pricated ars .Atdachrn n Would you please review these materials and respond as to whether you agree with the attached offset credit calculation? The awarding of that credit will also be determined by whether the project is developed in accordance with its Bank Parcel Development Package (BPDP) and if it meets the regulatory requirements established in the project's mitigation banking instrument. These are currently being developed in consult with the Division of Water Resource's 401 & Buffer Permitting Unit. Also, pursuant to 15A NCAC 02B .0273(2)(d)(i), the project will need to "account for differences in instream nutrient losses between the location of the reduction need and excess loading reduction in reaching the affected arm of Jordan Reservoir". In past communications, you've indicated that the Division is currently preparing to release delivery factors that will be applicable to this project. When those become available, will you please forward them so that they can be included in both the project's mitigation banking instrument and BPDP? Thank you for your help in the review for offset crediting of this site. I understand that it presented a departure from the traditional crediting sought for sites and, consequently, required additional review and consideration. I appreciate the timely manner with witch you have conducted your review. Sincerely, Mike Herrmann 1630 Weatherford Circle, Raleigh NC 27604 1 Tel :919-533-9195 1 avvw.a atershedinveS=entsnc.net H-2 ATTACHMENT H. Attachments ATTACHMENT A. Tract 2 of Neville Farms Nutrient Offset Calculation Summary Project Overview Tract 2 is part of a larger restoration project identified as Neville Farms in the Bank Parcel Development Plan that is currently being developed. Located adjacent to Neville Creek, a perennial stream in Orange County, Tract 2 is on an 8.8 acre property owned by John McGee. The watershed draining through the project site encompasses 31.6 acres. The proposed Tract 2 conservation easement is approximately 1.7 acres with 1.20 acres anticipated for reforestation. The remaining 0.5 acres, a narrow, mature buffer ranging between 10 and 20 feet exists in portions of the easement area, will be considered as buffer preservation with no proposed nutrient reduction benefit. Attachment C provides a map of the Site including the land draining to it. For areas of the conservation easement lacking a forested buffer or with forests less than 50 feet, residential lawn will be replaced with native trees to create a buffer with widths varying between 50 and 150 feet. In accordance with current DWR policy, success criteria on the project will be based on a minimum planted stem density survival of 260 stems/acre after 5 years. Currently, the majority of Tract 2 consists of residential lawn. While it is eligible for buffer credit, staff from the 401 and Buffer Unit directed me to work with the Planning Section to develop the nutrient offset crediting because the site falls outside of the typical practice for generating nutrient offset credit (i.e., riparian reforestation of agricultural land). Attachment D contains a copy of the letter summarizing their determination. Nutrient Reduction Calculation Summary The calculated nutrient credit available for the site is 1091.10 N lbs and 243.00 P lbs. This is based on an annual nutrient offset crediting for the site of 36.37 N pound (lbs)/year and 8.10 lbs/year multiplied by 30 years. The method used to quantify nutrient offset credits has been developed through coordination and communication with the NC DWR Planning Unit staff. The agreed on approach involves the use of site-specific factors and the Jordan -Falls Stormwater Accounting Tool (JFSAT) Version 3.0. Supporting printouts from the tool are included in Attachment B. A summary of the nutrient offset calculation is included below. Table A-1 provides a summary of the estimated reduction from the JFSAT. The JFSAT accounts for both land conversion for nutrient removal from upland sources. The upland area is 29.93 acres. This area includes The Orchard, a development under construction that contains a mix of residential and forest land use with 2 ac residential lots being the predominant parcel type. Parameters used to run the tool along with its output are contained in Attachment B. Table A-1. Land Conversion and Upland Source Reduction. Nutrient Pre -project load Post -project load (lbs/yr) (lbs/yr) Nutrient reduction (lbs/yr) Nutrient Credit (lbs/30 yrs) Nitrogen 80.52 44.15 36.37 1091.10 Phosphorus 16.08 7.98 8.10 243.00 H-3 ATTACHMENT H. Attachments Attachment B. Jordan Falls Stormwater Accounting Tool Data Sheets. Vq WarTA(m 3.0 I Date: July 9, 2015 I i Project Name: Neville Farms - Tract 2 I Development Area (ft2): 1,377,644 I i Physiographic Region: y ^ Piedmont Gear All EntriesI I Project Latitude Coordinates: i N i I Project Longitude Coordinates: w I Precipitation Location: Raleigh I - --- - Import An I Project Designer: Watershed Investments NC 1 Existing Project Contact Phone Number/Email: Individual BMP Project Description: j Nutrient Offset Calculation Summary for Neville Farms-Tract 2 HBIp$_ umentation H-4 Watershed Characteristics COMMERCIAL Parking lot Roof Open/Land-ped :INDUSTRIAL Parking lo[-- - -- Roof Open/Landscaped TRANSPORTATION High De sRy (mte state, main) L Den ty(econd,I ,feeder) Rural Sidewalk PERVIOUS Managed pervious Unmanaged (pasture) rest RESIDENTIAL - COMPOSITE LAND USES xac lots %ac lots %-" lots 1-1:10 c lots 2 It Mit family T h mes Cut Lot Size RESIDENTIAL - INDIVIDUAL LAND USES Roadway D vewfi. Parking_lo_t Roof Sid-alk/Patio L managed pe pus IURISMUIONAL IANDS Natural wetlaM Riparian b Re Zone 1(Fo en¢dj R p rian buffer Zine 2 Open Water LAND TAKEN UP BY BMIN I troduWo� Prof BMP Olari I IMotmat(pn actvistics TN TP Pre- POA - EMC EMC Development Development Img/LI lmg/L1 (ft') (ft'1 1.44 1."_.__.__-�_____ 0.16 2.22 DA 0441303,592 1,303,592 1.08_ 0.41 0.42 C Pj =1 2.24 -..� -0.44 1.08 1.4 2.65 2.65 -. 1.44 I.OR 2.24 0.39 0.15 0.44 1 - 3.67 1.4 0.43 �! (152 f-- 1.14 0.47 -���- 14 2.65 3.61 116_ 0.735 1.56 C.- 0.46 1.47 2.02 2.07 2.11 2.15 _.. 025 I�-..... 0.43-7-- 0.43 043__1.!-_ 2.22 DA 0441303,592 1,303,592 192 1.94 0.41 0.42 C Pj =1 14 T. 1.66 052 039..__. L..�. 0.39 �--- 1.08 1.4 2.65 2.65 0.15 i 116 -- 0 735 52,272 0.735 1.47 0115 _1 -- -"-" 1.47 1.47 2.65 0.25 O.Zs I-'11] -+ 21,78071 0 335 1.08 0.15 i 52,272 LAND USE AREA CHECK Total Development Area Entered lft').. 1377644 •• Total Pre-Oevekpment rAkulated Area (ft'): 1,377,644 Tata) Pmt-Deveh p-Ukulated Area (ft'): 1.377,W4 �4Overall^,q In suOMP mmary Summary Summary Clear All Entries Prim watershed l7mt-uttulstla Supporting Calculations SIMPLE METHOD Run ff Co Eden[ Rv Rv= 0.05+(0-009.1) where l= percent impervious (%) P Development Watershed: 1= 796 M • 0.11 Dost-Oevelopmmt Watershed: 1= 11% Rv= 015 St -a ater RunuffGeneroted, V V= Rv -A-(P/121 where A=area of catchment (ft') P= average annual rainfall depth Pre-Devekpmem Watershed A 31.63 P = 45.41 V. 580321 ft' Port -Development Watershed: A = 31.63 P = 45.41 in V = 758346 ft' Average Annual Pollutant Loading Leoving a Calc L = ((P' Pi' Rv)' (12 ))' (C' A - wherePj= fraction ofrainfall events that C= event mean concentration of Pre -Develop -Wad -bed: Pj= 1 C a 2.22 mg/L C.- 0.46 mga Lo,= 80.52 Ib/yr I.— 16.08 Ib/yt Port -Development Watershed: Pj =1 Co, - 1.93 mg/L Cn= 0.37 mg/L Lo,: 9155 Ib/yr Ln'= 17.38 Ib/yr H-5 BMP Characteristics Clear All Entries Print BMP Characteristics Type of BMP: Select predominant hydrologic soil group (HSG) for the location of the BMP. Description of Custom BMPs Under- or Over -sized Percentage: Hydrologic Values (Value must be entered by user for Water Harvesting or Custom BMPs) Hydrologic Values j Nutrient Effluent EMC Values (Value must be entered by user for custom BMPs) Catchment 1: Drainage Area Land Use COMMERCIAL Parking lot Roof Open/Landscaped INDUSTRIAL Parking lot Roof Open/Landscaped TRANSPORTATION High Density (interstate, main) Low Density (secondary, feeder) Rural Sidewalk Introduction Watershed Overall Individual BMP Pro lI Information Characteristics Summary F Summary J _-___._---------_---- CATCHMENT 1 __---_-_-_---------------- BMP #1 BMP #2 BMP #3 Other Custom BMP B LSFS HYDRO: Buffer EMCs Overflow%: %Treated Overflow%: %Treated Overflow%: %Treated 5% 55% TN EMC (mg/L): TP EMC (mg/L): TN EMC (mg/L): TP EMC (mg/L): TN EMC (mg/L): TP EMC (mg/L): 1.47 0.25 Does BMP accept the outflow from another Catchment? If so, indicate which one(s). (Land use areas entered below are in addition to the watershed areas treated by contributing catchment(s).) Area Treated Area treated by BMP by BMP 92 that is not treated by (Rz) BMP #1 ( I -I-6 Area treated by BMP #3 that is not treated by BMPs #1 or #2 Total Land Use Area Treated By All BMPs (ft') 0 0 0 0 0 0 0 0 0 0 Allowable Total Land Use Area to be Treated Based on jjj Post -Dv. Ar - 0 0 0 0 0 0 0 MISC. PERVIOUS Managed pervious Unmanaged (pasture) Forest ------�-- R_ ESIDENTIAL __ 2-aclots 1 -ac lots %-ac loss_ -ac lots 14 -ac lots Townhomes _ Multi -family Custom Lot Size Driveway ----- Parkinglot _ Roof Sidewalk Lawn Managed pervious _. Forest JURISDICTIONAL LAND USES Natural wetland Riparian buffer - Zone 1 Riparian buffer -Zone 2 LAND TAKEN UP BY BMP TOTAL AREA TREATED BY BMP (ftz): TOTAL AREA TREATED BY SERIES (ft'): 1,355,864 H-7 0 0 0 0 0 0 1,303,592 1,303,592 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 02J,0780 0 021.780 0 52,72 52,272 Development Name: Total Development Area (ft): Designer: Date: Neville Farms - Tract 2 1,377,644 Watershed Investments NC July 9, 2015 Development Summary Percent Impervious (%) Annual Runoff Volume (c.f.) Total Nitrogen EMC (mg/L) Total Nitrogen Loading (Ib/yr) Total Phosphorus EMC (mg/L) Total Phosphorus Loading (Ib/yr) Pre -Development Conditions 6.8% 580,321 2.22 80.52 0.44 16.08 Post -Development Post -Development Conditions w/ BMPs 10.6% 10.6% 758,346 462,590 1.93 1.53 91.55 44.15 2.89_ 0.37 0.28 17.38 7.98 Overall BMP/Catchment Summary I Area Volume C TN TP Treated Reduction out TN f Outflow TP Outflow TN !, Outflow TPI Reduction Reduction (ftz) (%)° ° (/°) (mg/L) (mg/L) �; (lbs/ac/yr) '� (lbs/ac/yr) (/°) a Catchment 1 1,355,864 40.0% 1.53 0.28 1.41 0.25_ 58.69% 71.20% BMP 1 1,355,864 40.0% 1.53 0.28 1 1.41 0.25 58.69% 71.20% ;.. �_ NA NA NA 3 .�NA..._.� 'r... r.._ BMP 2 0 NA NA NA NA ' NA NA NA BMP 3 ) 0 NA NA NA Catchment 2 0 NA NA NA NA NA NA NA BMP1 0 NA NA NA NA NA j NA NA BMP2 0 NANA NA NA NA NA NA BMP3 0 NA NA NA NA NA NA _ NA Catchment 3 0 NA NA NA NA NA NA NA BMP1 0 NA NA NA NA NA NA NA BMP 2 0 NA NA NA NA NA ^NA NA BMP3 0 NA NA NA NA NA NA NA Catchment 4 0 NA NA NA NA NA NA NA BMP1 0 NA NA NA NA NA NA NA y BMP2 0 NA NA NA NA NA NA NA BMP3 0 NA NA NA NA NA NA NA Catchment 5 0 NA NA NA I NA NA NA NA BMP1 0 NA =~ NA NA NA NA NA NA BMP2 0 NA NA NA NA NA NA NA BMP3 0 NA NA NA NA NA NA NA Catchment 6 0 NA'__ A_ NA NA NA NA NA NA H-8 ATTACHMENT H. Attachments ATTACHMENT C. Tract 2 Restoration Area and Watershed Map H-9 r k 4 ri. Legend Reforestation/Easement Area Project Watershed Parcel Boundaries County Boundary v,�►� *via .a� ' ► 2ft Contour 2011 Contour$ " i � r Chapel Hill '-�--•� v `Carrboro 0 p N 15 0 225 450 Few H-9 Attachment I. Site Delivery Factor Determination From: Davis, Amin <amin.davis@ncdenr.gov> Sent: Monday, October 5, 2015 4:51 PM To: mherrmann Cc: Gannon, Rich Subject: RE: Jordan Lake - Updated Jordan Delivered Factors MIKE — Below are the delivery factors you can use for the Neville -McGee nutrient offset site per our correspondence with you. We plan on sending out a memo to interested parties by Wednesday concerning these updated delivery factors/zones. We appreciate your patience. TN: 89% (Zone 9) TP: 79% (Zone 8) Thank You, Amin Amin Davis, PWD Watershed Restoration Specialist NCDEQ - Division of Water Resources Nonpoint Source Planning Branch 1617 Mail Service Center, Raleigh NC 27699-1617 919-807-6439 amin.davis@ncdenr.gov http://Portal.ncdenr.org/web/wq/ps/nps I-1 Attachment J. Neville Farms Site Photographs Photo B. Tract 1 Downstream end looking upstream at floodplain area. �•, PPP b y }: � � +�. �i 1°JR4 atik4 r ILI 1 Y•@��a°. ?� 1 `.4i 'IP.�" r it� p y '�''� �f•���K",► } ,3�t'' � Vii!