HomeMy WebLinkAbout20041178 Ver 2_Monitoring Report_20120605Ler C1earWater Environmental Consultants Inc June 1 2012 www cwenv com Mr Chuck Cranford NC Division of Water Quality 2090 US Highway 70 Swannanoa NC 28778 RE The Ramble Culvert Monitoring ff—OTIHIII DWQ Project No 20041178 Version 3 #2 JUN 5 2012 Buncombe County, North Carolina ID ENR WATER 0UAL TY Dear Mr Cranford aA�r erandi Please reference the 401 Water Quality Certification (Certification) issued by the NC Division of Water Quality (DWQ) on July 30 2009 (Attachment A) The Certification authorizes 274 linear feet of stream impact at the Ramble in Biltmore Forest Buncombe County North Carolina This correspondence complies with Additional Condition 3 (Culvert Installation) in the Certification Culverted crossings at the Ramble have been monitored and the results are discussed below Crossing #1 The DWQ noted that the culverts in this location were perched above the streambed at the discharge point Remedial activities were completed at Crossing #1 to raise the water elevation so that the perch condition was eliminated A cross section and longitudinal profile along with representative photographs are shown below Cross Section 95 94 93 0 0 92 91 > 90 L 89 88 0 5 10 15 20 25 30 Station (ft) �— Ground Surface 224 South Grove Street Suite F Crossing #1 Hendersonville NC 28792 828 698 9800 Tel 828 698 9003 Fax Mr. Chuck Cranford May 30, 2012 Page 2 of 11 Photo 1. Crossing #1. View of double barrel culverts (looking upstream). Photo 2. Crossing 41. Water depth in the left culvert (looking upstream) is approximately 7.9 inches. Mr. Chuck Cranford May 30, 2012 Page 3 of 11 Photo 3. Crossing #1. Water depth in the right culvert (looking upstream) is approximately 6.4 inches. Longitudinal Profile 91 $ 90.5 c 90 ea 89.5 w 89 0 10 20 30 40 50 60 Station (ft) � -Stream Bed —� Water Surface Crossing #1. Mr. Chuck Cranford May 30, 2012 Page 4 of 11 Crossing #2 The DWQ noted that the culverts in this location were perched above the streambed at the discharge point. Remedial activities were completed at Crossing #2 to raise the water elevation so that the perch condition was eliminated. A cross section and longitudinal profile; along with representative photographs, are shown below. Cross Section 90 89 c 88 3 87 ro W 86 .1 0 2 4 6 8 10 12 14 16 18 20 22 Station (ft) Surface] .__- -] Crossing #2. Photo 4. Crossing #2. View of double barrel culverts (looking upstream). Mr. Chuck Cranford May 30, 2012 Page 5 of 11 Photo 5. Crossing #2. Water depth immediately below the culvert is approximately 4.7 inches. Longitudinal Profile 89 88 0 87 86 w 85 0 5 10 15 20 25 Station (ft) E:—�— Stream Bed — � Water Surface Crossing #2. Mr. Chuck Cranford May 30, 2012 Page 6 of 11 Crossing #3 The DWQ noted that culvert in this location was perched above the streambed at the discharge point. Remedial activities were completed at Crossing 43 to raise the water elevation so that the perch condition was eliminated. A cross section and longitudinal profile; along with representative photographs, are shown below. E94 C 93 e� 92 LU 91 Crass Section 0 2 4 6 8 10 12 14 16 18 Station (ft) t Ground Surface Crossing #3. Photo 6. Crossing 43. View of culvert (looking upstream). Mr. Chuck Cranford May 30, 2012 Page 7 of 11 Photo 7. Crossing #3. Water depth in the culvert is approximately 3.8 inches. 92 a 91 m al 90 X Longitudinal Profile 2 4 6 8 10 12 14 16 18 Station {ft} �tStreamBed — w- Water Surface Crossing #3. Mr. Chuck Cranford May 30, 2012 Page 8 of 11 Crossiniz #8 The DWQ noted that culvert in this location was perched above the streambed at the discharge point. The applicant evaluated crossing #8 and as stated in the September 15, 2009 correspondence to DWQ: "The culvert in its current condition is not perched. Photos of the crossing clearly show water backing up in the culvert and streambed material accumulating in the culvert. There is approximately 0.55 feet (6.6 inches) of water backing up into the culvert. No corrective action is proposed for this crossing." Photos have been included in this report for review. Photo 8. Crossing #8. View of culvert (looking upstream). Mr. Chuck Cranford May 30, 2012 Page 9 of 11 Photo 9. Crossing #8. There has been no change in stream condition at this location since 2009. Water depth in the culvert approximately 2.3 inches. Mr. Chuck Cranford May 30, 2012 Page 10 of I 1 Crossing #9 The DWQ did not specifically identify Crossing #9 in the 401 Certification. The applicant evaluated crossing #9 and as stated in the September 15, 2009 correspondence to DWQ: "The culvert in its current condition is not perched. Photos of the crossing clearly show water backing up in the culvert and streambed material accumulating in the culvert. There is approximately 4.8 inches of water backing up into the culvert. No corrective action is proposed for this crossing." Photos have been included in this report for review. Photo 10. Crossing #9. View of culvert (looking upstream). There has been no change in stream condition at this location since 2009. Water depth in the culvert approximately 7 inches. Mr. Chuck Cranford May 30, 2012 Page 11 of 11 Crossing #10 The DWQ did not specifically identify Crossing #10 in the 401 Certification. The applicant evaluated crossing #10 and as stated in the September 15, 2009 correspondence to DWQ: "The culvert in its current condition is not perched. Photos of the crossing clearly show water backing up in the culvert and streambed material accumulating in the culvert. There is approximately 4.8 inches of water backing up into the culvert. No corrective action is proposed for this crossing." Photos have been included in this report for review. Photo 11. Crossing #10. View of culvert (looking upstream). There has been no change in stream condition at this location since 2009. Water depth in the culvert approximately 7.7 inches. The applicant believes the information in this letter satisfies Additional Condition 3 in the 401 Water Quality Certification. Please do not hesitate to contact me at (828) 698 -9800 if you have any questions or comments regarding the information submitting with this letter. Srel y, R. Clement Riddle Principal cc: US Army Corps of Engineers - Liz Hair NC Division of Water Quality, Raleigh - Ian McMillan Attachment A DWQ 401 Water Quality Certification A'NJ DR; vig, A North Carolina Department p t of Environment and Natural Resources Beverly Eaves Perdue Division of Water Quality Governor Coleen H Sullins Director Dee Freeman Secretary July 30 2009 Tom Williamson Ramble Biltmore Forest LLC One Town Square Suite 330 Asheville North C'irohna 28803 Subject 401 Water Quality Certification Approval The Ramble DWQ Project # 20041178 Version 3 42 Buncombe County French Broad / Dingle Creek / C 16-71 Dear Mr Williamson The DWQ has completed the review of your 401 Water Quality Certification modification subject project listed above and shall replace the Certification issued M-iy 29 2009 application associated with the This modified Approval is being granted to place fill within or otherwise impact 274 hnear feet of streams for the purpose of residential subdivision development at the subject property This approval i egnn es yon to follow the condhe pu listed in the attached Cerhficahon and any additional condlT i s listed below Project impacts are covered by General Water Quahty Certification Number 3705 This Certification allows you to use Regional General permit 29 when issued by the US Army Corps of Engineers (USAGE) Authorization to proceed with your proposed impacts or to conduct impacts to waters as depicted in your application and as authonzed by this Certification shall expire upon expiration of the corresponding USAGE General Permit Verification In ad tion ou should obtain or otherwise comply with any other required federal state or local permits before you pro di ceed with y project including (but not hunted to) Erosion and Sediment Control and stormwater regulations y our This approval is for the purpose and design that you described in your application If you change your project you must notify us and may be required to submit a new application Impacts Approved The following impacts are hereby approved as long as 111 of the other specific and general conditions of this Certification are met No other impacts are approved including incidental impacts Location 2090 U 5 Highway 70 5wannanoa North Carolina 28778 Phone 828 296 -45001 FAX 818 299 7043 1 Customer Service 1. 877 - 623 -6748 Internet www ncwaterqua6ty Ora , one _ 01 Ramble Piltmore Forest, LLC July 30 2009 Page 2 of 3 Stream Stream Stream Stream Stream Stream Stream Stream Stream Stream Additional Conditions Amount Approved (Units) Plan Location or Refeience I00 (feet) 1 20 (feet) 2 10 (feet) 3 40 (feet) g 20 (feet) 9 20 (feet) 10 4 (feet) 18 20 (feet) Utility Crossm A g ipem ) 20 (feet) 20 (feet) Utility Crossing B (Teen ) Utility Crossma G (Temn) I Compensatory Mitigation Using the Ecosystem Enhancement Program (Ea) We understand that you wish to make a payment to the NCDENR Wetlands Trust Fund adimnistered by the NC Ecosystem Enhancement Program (EEP) to meet this mitigation requirement This has been determined by the DWQ to be a suitable method to meet the mitigation requirement Until the EEP receives and clears your check (made payable to DENR — Ecosystem Enhancement .Program Office) no Impacts Certificate shall occur The EEP should be contacted at (919) 716 1921 if you have any questions concerning co on payment into the fund. You have 60 days from the date of this approval to make this Purposes, tins Anthonzation Certificate authorizes payment into the NCDENR Wetlands Trust I+�i d to g meet the following compensatory mitigation requirement Compensatory Mitigation River and Sub -basin Number uA--.a Stream 15 (linear feet) French Broad B2 2 No Direct Discharge of Stormwater The Water Quality Certification Additional Conditions (issued August 5 2004) for this project required that no direct discharge of concentrated stormwater shall be allowed from this project All collected stormwater must be treated and discharged via diffuse flow through vegetated buffers An oolseta Inspection from the Regional Office revealed that the roadside swales at crossing #18 had stonnw ater drains to the surface waters below Within 30 calendar days of the issuance of this Certification you must provide a plan and time line for implementation which will bring this crossing into compliance with the above condition Culvert Installation The Water Quality Certification Additional Conditions (issued August 5 2004) for thi culverts required for this project shall be installed in such a manner that theon s project required that ginal stream profile are not s altered Existing stream dimensions including the cross section dimensions pattern and longitudinal profile must be maintained above and below locations of each culvert alverts shall be designed and installed to allow for aquatic life movement as well as to prevent head cutting of the streams 7f any of the existing pip e re established or if the pipe es are or become perched the appropriate sti -eam grade shall be Installed in a perched manner the pipes shall be removed and re installed correctly Culverts shall not be installed in such a manner that will cause aggradation or eiosion of the stream up or downstream of the culverts Existing stream dimensions Ramble Eiltmore Forest LLC July 30 2009 Page 3 of 3 including the cross section dimensions pattern and longitudinal profile shall be maintained above and below locations of each culvert Anon site inspection from the Regional Office revealed the following • Crossing #1 (dual barrel culverts) is perched above the streambed at its discharge point Crossing #2 (dual barrel culverts) is peached above the streambbd at its discharge point • Crossing #3 is perched Crossing #8 is perched at its discharge point fill crossings within the development must be re evaluated documented (photographs with scale both above and below) and a plan developed to bring all crossings into compliance with the above cited Certification condition This plan along with a time lane for implementation shall be submitted within 30 calendar days of issuance with this approval All mitigation vid installation modifications shall be completed prior to September 30 2009 Violations of any condition herein set forth may result in revocation of this Certification and may result in criminal and/or civil penalties If you do not accept any of the conditions of this Certification (associated with the approved wetland or stream impacts) You may ask for an adjudicatory hearing You must act withm 60 days of the date that you receiv To hearing send a written petition which conforms to Chapter 150B of the Nort h Carolina General Statutes e this letter ask for a Administrative Hearings 6714 Mail Service Center Raleigh N C 27699 -6714 to the Office of This cert,ficatton and its conditions are final and bmdmg unless you ask for a hearing This letter completes the review of your application by the Division of Water Quality under Section 401 of the Clean Water Act If you have any questions please contact Kevin Barnett in the Asheville Regional Office at 828 296 -4657 Sincerely Coleen H Sullins Director CHS /khb cc USACE Asheville Regulatory Feld Office — Electronic Copy 401 Permitting Unit — Central Office. — Electronic Copy David McHenry —NC Wildlife Resources Commission — Dectionic Copy File Copy G 1 WPDATAOF- MWQIBoncombe1401s1041179ver3 Ramble#2 approval doc