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HomeMy WebLinkAbout20070861 Ver 1_WRC Comments_20070613 (2)~ North Carolina Wildlife Resources Commission ~ Richard B. Hamilton, Executive Director MEMORANDUM TO: Cyndi Karoly NCDWQ FROM: Steven H. Everhart, PhD ~`~~~~ Southeastern Permit Coordinator Habitat Conservation Program DATE: June 13, 2007 SUBJECT: §401/404 Permit Application for Martin Marietta -Selma Quarry -Johnston County DWQ#07-0861 Biologists with the North Carolina Wildlife Resources Commission (NCWRC) have reviewed the subject application for impacts to wildlife and fishery resources. Our comments are provided in accordance with provisions of the Fish and Wildlife Coordination Act (48 Stat. 401, as amended; 16 U.S.C. 661 et. seq.), Sections 401 and 404 of the Clean Water Act (as amended), and the North Carolina Mining Act of 1971 (as amended, 1982: G.S. 74-76 et seq., 15 NCAC 5). The applicant is requesting authorization mining granite from a 503 acre site located adjacent to the Neuse River, off Bear Farm/Brown Rd. (SR 1914), approximately 1 mile from its intersection with US 70 Alternate, and approximately 3 miles northeast of Selma, in Johnston County. Approximately 2,884 linear ft of stream and 58.57 acres of wetlands exist on the property. Expected mine depth is 400+/- feet as measured from the natural ground level with an average depth of 400 feet. The proposed excavation area is 157.9 acres. Construction of the mine and associated infrastructure will result in excavation and filling impacts to 2.7 acres of wetlands and 1301inear ft of stream. The applicant states that a 50 foot undisturbed buffer will be maintained adjacent to any remaining wetlands and watercourses on-site. Final reclamation will result in a lake left for water storage, recreation, wildlife sanctuary, or other uses. Slopes of 2:1 will be maintained around the pit and these are to be planted with a mixture consisting primarily of grasses. The Coastal Plain/Piedmont Heath Bluff community type occurring in this area has been identified by the Natural Heritage Program (NHP) as a Significant Natural Community Type that Mailing Address: Division of Inland Fisheries 1721 Mail Service Center Raleigh, NC 27699-1721 Telephone: (919) 707-0220 Fax: (919) 707-0028 Martin Marietta -Selma Quarry §401/404 June 13, 2007 is rare or uncommon in North Carolina. Additionally, this habitat type provides valuable resources for wildlife. We have the following concerns regarding the proposed project: • A natural community type important to many species of wildlife may be impacted directly by this project. The NCWRC does not support the filling of wetlands for development and any required permit authorization will receive a recommendation for denial unless the project has significant public benefits and all wetlands or aquatic habitat impacts are fully mitigated. In addition to purchase of credits from NC EEP for steam impacts as well as wetland impacts, we recommend that all remaining wetlands on-site be preserved through conservation easement/deed restriction using language consistent with U. S. Army Corps of Engineers (USAGE) guidelines for the preservation of wetlands. This language prohibits cutting, pruning, mowing, or burning of vegetation; construction of any kind; use of herbicides; any land disturbing activities; dumping or storing of soil, trash, or other waste; and the pasturing, grazing or watering of animals, or any other agricultural or horticultural purpose within wetlands. Water from the pit is to be pumped to a retention/clarification pond where it is to discharge to the Neuse River. The waters of the Neuse River in this area are classified as Water Supply IV -Nutrient Sensitive Waters. We recommend that a sufficient monitoring/contingency plan be developed and implemented to prevent the introduction of nutrients, particularly nitrogen and phosphorous, into these nutrient sensitive waters. • Although, the applicant states that a 50 ft undisturbed buffer will be maintained adjacent to any undisturbed wetlands and watercourses on-site, we recommend a 100 ft native forested buffer be maintained adjacent to the Neuse River. It is not clear from the information provided whether or not excavation will occur within the 100-yr flood zone, but we recommend that excavation not occur in that zone. • The applicant states that other on-site alternatives were not practicable. However, it appears that further minimization of impacts could be practicable. o Impact # 1 should be relocated eastward to the narrowest point in the wetland o Impact #5 should be converted to bridge, eliminating impact Thank you for the opportunity to review and comment on this application. If you have any questions or require additional information regarding these comments, please call me at (910) 796-7217. cc: James Shern, USAGE Scott Pohlman, NCNHP