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HomeMy WebLinkAbout20121081 Ver 3_WRC Comments_202401119 North Carolina Wildlife Resources Commission 9 Cameron Ingram, Executive Director January 11, 2024 Ms. Amanda Fuemmeler U.S. Army Corps of Engineers, Regulatory Branch 151 Patton Avenue, Room 208 Asheville, North Carolina 28801-5006 SUBJECT: Middle Fork Greenway Section 5 — Boone Gorge Park Middle Fork South Fork New River and Unnamed Tributary (UT), Watauga County Dear Ms. Fuemmeler: Biologists with the North Carolina Wildlife Resources Commission (NCWRC) reviewed an application to temporarily impact 60 ft and permanently impact 295 ft of the Middle Fork South Fork New River and an unnamed tributary (UT) in Watauga County. Our comments on this application are offered for your consideration under provisions of the Clean Water Act of 1977 (33 U.S.C. 466 et. seq.) and Fish and Wildlife Coordination Act (48 Stat. 401, as amended; 16 U.S.C. 661-667d). There are Brown Trout in the vicinity of the project, and in -stream activities should be avoided between October 15 and April 15 in order to minimize impacts to trout reproduction. The site is within the South Fork New and New River Aquatic Habitat, a natural area designated by the NC Natural Heritage Program and rated Exceptional due to the rich aquatic community it supports, which includes the following rare species in the vicinity of the project: Kanawha Minnow [Phenacobius teretulus, NC Special Concern (SC)]. Tonguetied Minnow [Exoglossum laurae, NC Significantly Rare (SR)], Kanawha Darter (Etheostoma kanawhae, NC SR), and Appalachia Darter (Percina gymnocephala, NC SR). It is likely that Eastern Hellbender (Cryptobranchus alleganiensis, US Federal Species of Concern, NC SC) is within the project area, as well. The application proposes to install two bridges and stabilize a reach of the Middle Fork South Fork New River. Bridge construction will involve 60 ft of temporary impacts; for a bridge, equipment will be set on a low floodplain bench, and a temporary culvert will be installed in the UT. Permanent impacts will involve riprap stabilization near bridge footers and under a fishing pier. In addition, 250 ft of the Middle Fork South Fork River will be stabilized with bank grading, toewood, removal of a mid -channel bar, and one log vane. Mailing Address: Habitat Conservation • 1721 Mail Service Center • Raleigh, NC 27699-1721 Telephone: (919) 707-0220 • Fax: (919) 707-0028 Middle Fork Greenway Page 2 January 11, 2024 Middle Fork S Fork New & UT, Watauga Co We offer the following recommendations to minimize impacts to the aquatic community: 1. In -channel work should be accomplished as quickly as possible and vigilance used in sediment and erosion control during site preparation, construction, and clean up. Disturbed areas should be seeded, mulched and/or matted as soon as possible, preferably at the end of each work day. 2. Any erosion control matting used should be free of nylon or plastic mesh, as this type of mesh netting frequently entangles wildlife and is slow to degrade, resulting in a hazard that may last for years. 3. In -stream activities should be done outside the October 15 to April 15 trout moratorium to minimize impacts to Brown Trout reproduction. 4. Work should be performed during low flows. For instream work, we recommend diverting flows around the work area especially at bank tie-in locations to reduce the risk of fine sediment liberation and loss. 5. A preliminary planting plan includes River Birch, which we recommend removing unless already naturally occurring on -site. Sweet Birch is a good substitute. Thank you for the opportunity to review and comment on this project. Please contact me at (828) 400-4223 if you have any questions about these comments. Sincerely, Andrea Leslie Mountain Region Coordinator, Habitat Conservation Program ec: Carrie Caviness, Interface Environmental Consulting Seren Homer, NC Division of Water Resources