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Home My WebLink About19970722 Ver 1_Emails_20010821PTRWA/Randleman mitigation plans Subject: PTRWA/Randleman mitigation plans Date: Tue, 21 Aug 2001 15.56:20 -0400 From: Jennifer Frye <jennifer.frye @ncmail net> Organization: NC DENR Water Quality To: Steve Kroeger <Steve.Kroeger @ncmail.net> Hey Steve, Hope you are doing well. I looked over (somewhat quickly) the three Randleman mitigation plans (Bob, Edgar and Sophia Branches) and dust have a few comments. I guess I am dust assuming that you are the one coordinating a response to the Water Authority and Ecoscience. 1. I am wondering if the PTRWA self - imposed 200 foot buffer around the Lake will affect the mitigation. It is my understanding that this buffer was proposed by the Water Authority and their 404 was approved with that buffer. "Development" is restricted in this buffer and I am not sure if their proposed "embankment" structures (le dams) would be allowable. Perhaps the Water Authority's ordinance has allowances for this. They need to check on this. 2. Speaking of the embankments - this methodology for restoring /creating wetlands is new to me - do you know of any that are in place and are successful? 3. Are they planning to have conservation easements" 4. Will the weir structures allow for aquatic life passage? If so, how? I know that this is going to be a big issue with the wildlife commission. Their general schematic of the structure did not appear to allow for passage. 5. Under their Management Program (8.0) - they need to clarify "periodically" - in (2) where they state, "The Officer will periodically visit the Site......" Monthly',' Quarterly's 6. What type of training will the Management Officer receive' This design relies heavily on human control - which means it is subject to human error. If I think of anything else, I let you know. Jen Jennifer Serafin Frye Division of Water Quality NC Department of Environment Winston -Salem Regional Office Winston - Salem, NC 27107 Voice: 336 - 771 -4608 ext. 275 and Natural Resources Fax: 336 - 771 -4630 jjb� L*161"+ J e I of 1 8/21/2001 3 58 PM PIEDMONT TRIAD July 9, 2001 Jennifer Frye NC DWQ Winston Salem Regional Office 585 Waughtown Street Winston- Salem, NC 27107 REGIONAL WATER AUTH0R. TY AIL L 1 2 2001 Re- Randleman Lake Wetland Mitigation Plans (Bob Branch, Edgar Branch, and Sophia Branch) Dear Jennifer. I have enclosed for your review, one (1) copy of each of the following Randleman Lake Wetland Mitigation Plans Bob Branch, Edgar Branch, and Sophia Branch. I have also sent copies of these plans to Steve Kroeger and Pete Colwell. The following table outlines the estimated wetland creation/restoration acreage at both these new sites and the three previously approved wetland mitigation sites. Site Location Wetland Restoration/Creation Acreage Hickory Creek 22.5 Reddicks Creek 21.0 Richland Creek 45 8 Bob Branch 14 7 Edgar Branch 36.1 Sophia Branch 21.7 TOTAL 161.8 Please call if you have any questions (336 -547 -8437) Sincerely, Andrea M. Spangler Environmental and Special Projects Manager Wilmington Building, Suite 204 • 2216 West Meadowview Road • Greensboro, North Carolina 27407 -3480 Telephone (336) 547 -8437 • Fax (336) 851 -0720 O�O� WA �R�G co 7 � Y October 18, 2001 Dr. Gerald McCrain EcoScience 1101 Haynes St.; Suite 101 Raleigh, NC 27604 Ms. Andrea Spangler Piedmont Triad Regional Water Authority Wilmington Building 2216 W. Meadowview Rd; Suite 204 Greensboro, NC 27404 Dear Dr. McCrain and Ms. Spangler: Michael F Easley Governor William G Ross, Jr, Secretary Department of Environment and Natural Resources Dr Gregory Thorpe, Acting Director Division of Water Quality We have completed our review of the compensatory wetland mitigation plans for the construction of Randleman Reservoir. These plans addressed efforts to promote wetland ecosystems at the Edgar Branch, Sophia Branch and Bob Branch sites (all in Randolph Co.) Your patience during our review process is appreciated greatly as these plans were reviewed by other staff within the NC Division of Water Quality in addition to myself. All of the Division of Water Quality's concerns are conveyed in this letter. Overall there has been considerable discussion on these plans. The foremost item that has received attention is the amount of maintenance that will be required. Some reviewers have expressed whether the concepts presented represent wetland restoration or wetland creation. In addition, all who have seen the sites have expressed concern on potentially flooding mature forested communities resulting in tree mortality and replacing those communities with immature trees. = Clearly the plans represent an innovative approach to compensatory wetland - mitigation, and one in which the outcome is dependent on the skill and experience in ` managing water levels. , We are optimistic that water quality benefits will result from the type of mitigation proposed.-' b_ r `North Carolina Division of Water Quality Wetlands /401 Unit N ENR - 1650 Mail service Center, Raleigh, NC 27699 -1650 2321 Crabtree Blvd, Raleigh, NC 27604 -2260 Telephone (919) 733.1786, Fax (919) 733 -6893 http://h2o enr state nc.us/ncwetiands For all plans, including those that have already been submitted, specific items that will need to be addressed include: 1) Details on how aquatic life will be allowed to pass through the weir structures, 2) The development of a detailed operation and maintenance plan for managing water levels, and training /education for those responsible for operating the weirs, 3) Details on conservation easements, 4) A discussion on how mitigation activities may conflict with restrictions within the 200 foot buffer for the reservoir, 5) The success criterion for hydrology should be modeled from a reference wetland. A better description of the success criterion for wetland hydrology is needed, 6) Compare and contrast the costs and benefits of also conducting stream restoration at these sites and the ideas presented your proposal, and 7) A synopsis of efforts elsewhere in the US that resemble your proposal. Again, thank you for your patience. If you have any questions please contact me. Cordially, qV'-, r("ev Steven Kroeger cc: Peter Colwell, MRO Jennifer Frye, WSRO _ Jeff Jurek, Wetland Restoration Program.