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HomeMy WebLinkAbout20072254 Ver 1_WRC Comments_20080109®North Carolina Wildlife Resources Commission January 9, 2008 Mrs. Debbie Miller U.S. Army Corps of Engineers, Regulatory Branch 151 Patton Avenue, Room 208 Asheville, North Carolina 28801-5006 Mr. Ian McMillan NCDENR, Division of Water Quality, 401 Unit 1628 Mail Service Center Raleigh, North Carolina 27699-1628 SUBJECT: Charles W. Beck 404 Permit Application Shoreline stabilization -Lake Glenville Jackson County DWQ No. 07-2254 Dear Mrs. Miller and Mr. McMillan: Charles W. Beck requested a 404 Permit from the U.S. Army Corps of Engineers. Comments from the North Carolina Wildlife Resources Commission (Commission) are provided under provisions of the Clean Water Act of 1977 (33 U.S.C. 466 et seq.) and the Fish and Wildlife Coordination Act (48 Stat. 401, as amended; 16 U.S.C. 661-667d). The project involves placement of dry stack boulders along 75 feet of Lake Glenville shoreline. The eroded shoreline along the applicant's property largely occurred because trees and woody vegetation were removed in the past. Therefore, the Commission recommends restoring vegetation as described in the Shoreline Management Guidelines. The Commission is concerned about the adverse effects of some shoreline stabilization on aquatic and Lakeshore habitats. Therefore, the Commission recommends conditioning the permit as follows to help conserve fish and wildlife habitat: 1. The project addresses an active and ~preciable shoreline erosion problem• relatively stable shorelines are not altered. 2. The project complies with Duke Energy's Shoreline Management Guidelines and receives approval from Duke Energy Lake Management. 3. If practical, the stabilization work is completed in a dry work area while the lake is drawn-down. 4. Adequate sedimentation and erosion control measures are used to minimize the loss of disturbed soils into the lake. Mailing Address: Division of Inland Fisheries 1721 Mail Service Center Raleigh, NC 27699-1721 Telephone: (919) 707-0220 Fax: (919) 707-0028 Beck, Lake Glenville Page 2 January 9, 2008 Jackson 5. The lakebed is not excavated or otherwise disturbed except where necessary to bed rock in the lakebed. The shoreline and the lakebed outside of the stabilization area is not disturbed for access or staging of materials. 6. Any tar e woody debris in the lakebed and in the path of the stabilization remains or is replaced and secured to the shoreline at the completion of the project Stumps, rocks or woody debris within the lakebed are not removed. 7. Filter fabric is installed behind the rock to minimize wash-out. 8. The rock used is large quarry (class II or larger) or similar angular stone that is free of sediment and other contaminants. 9. If a vertical wall is part of the stabilization, additional rock is placed at the base or toe of the lakeward side of the wall to prevent undercutting and to enhance fish habitat. 10. The spaces between the rocks is not filled with concrete or other types of grout, but left open to allow native plants to grow and to provide cover for fish and wildlife. Uncured concrete is toxic to fish and other aquatic life. 11. If temporary access across the shoreline buffer is granted, the vegetation is cut off at the ground and the stumps and roots left intact to sprout or the area is replanted with native vegetation. Areas along the shoreline without woody vegetation or where it must be removed are planted with native trees (e.g., hemlock, tulip poplar, and sycamore) and shrubs (e.g., silky dogwood, rhododendron, mountain laurel or dog hobble). 12. The height of rock stabilization is no more than a few inches above the normal pool elevation. However, a greater height is acceptable, as determined by a Duke Energy representative, if the erosion extends above the normal pool elevation. In these cases, backfilling should be minimized (e.g. rock placed as close to eroded shoreline as possible) and mimic the natural shoreline slope. If a stacked wall is used, the rock should be set slightly lakeward to minimize disturbance of vegetation on the bank. Voids around trees with exposed roots should be backfilled with soil. Thank you for the opportunity to review and comment on this project. Pending availability of field staff, the Commission may inspect the work site during or after construction. If there are any questions regarding these comments, please contact me at 828/452-2546 extension 24. Sincerely, ~• ~ , Dave McHenry Mountain Region Coordinator Habitat Conservation Program cc: Ms. Lisa Leatherman, Duke Energy Lake Services Representative