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HomeMy WebLinkAboutWQ0004230_Correction_20060329Cf$ \NA��RQG Michael F. Easley, Governor William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources Q C Alan W. Klimek, P.E. Director Division of Water Quality March 29, 2006 .TAMES I. TAYLOR — PRESIDENT A PLACE AT THE BEACH III HOMEOWNERS ASSOCIATION, INC. POST OFFICE BOX 877 ATLANTIC BEACH, NORTH CAROLINA 28512 Subject: Permit No. WQ0004230 Correction A Place at the Beach III WWTP Wastewater Treatment and High Rate Infiltration Facilities Carteret County Dear Mr. Taylor: In accordance with a written request received on February 21, 2006, we are forwarding herewith the corrected pages 1 and 3 of Permit No. WQ0004230, issued January 12, 2006, for the subject facility. The following corrections have been made to the permit: 1. The permit description has been updated to show the correct infiltration area for each bed as 2,827 square feet (ft). 2. Condition II(3) has been corrected to read 6.5 gallons per day per square foot (gpolft). Please replace Pages 1 and 3 with the corrected Pages I and 3 into Permit No. WQ0004230, issued ,January 12, 2006. If you have any questions regarding this request, please do not hesitate to contact Nathaniel Thornburg at (919) 715-6160. Thank you for your cooperation. -P,lan W. Klimek, P.E. cc: Jim Bushardt --- Wilmington Regional Office, Aquifer Protection Section Charles A. Donnell, PE — McKim and Creed Permit File WQ0004230 NorthCarolina Aquifer Protection Section 1636 Mail Service Center Raleigh, NC 27699-1636 Phone (919) 733-3221 Customer Service Internet: www-ncwaterquality.org 2728 Capital Boulevard Raleigh, NC 27604 Fax (919) 715-0588 1-877-623-6748 Fax (919)715-6048 An Equal Opportunity/Affirmative Action Employer - 50% Recycled110% Post Consumer Paper NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES RALEIGH HIGH RATE INFILTRATION SYSTEM PERMIT In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North Carolina as amended, and other applicable Laws, Rules, and Regulations PERMISSION IS HEREBY GRANTED TO A Place at the Beach Homeowners Association, Inc. Carteret County FOR THE construction and operation of a 60,000 gallon per day (GPD) wastewater treatment facility consisting of a 13,700 gallon settling tank with two baffles and four (4) effluent filters, an 8,000 gallon flow equalization basin connected in series with a 9,000 gallon flow equalization basin, a flow equalization pump station with two (2) 170 gallon per Minute (GPM) pumps and audible/visual high water alarms, dual train ReCip biological reactors with each train consisting of two (2) 22,440 gallon (20 ft x 15 ft x 10 ft) cells containing dual 160 GPM recirculation pumps and aggregate media and one (1) 44,880 gallon (40 ft x 15 ft x 10 ft) cell containing four (4) 160 GPM recirculation pumps and aggregate media, a 9,000 gallon pressure filter / ultraviolet (UV) dosing chamber with dual 83 GPM pumps, tertiary filters consisting of an eight (8) unit bank of 100 micron (µm) pressure filters and an eight (8) unit bank of 20 µm pressure filters, a totalizing flow meter, and a dual train UV disinfection system; abandonment of the existing 55,000 GPD wastewater treatment facilities consisting of a bar screen, flow splitter box, flow measuring device, an 18,500 gallon flow equalization tank with 80 GPM surge pumps, dual 43,500 gallon aeration tanks, dual clarifiers, dual aerated sludge holding tanks, a tertiary filter with dual beds, a chlorine contact tank with tablet chlorinator, a dosing tank with dual pumps; continued operatioin of the 55,000 GPD high rate infiltration facilities consisting of three (3) high rate infiltration beds each with approximately 2,827 square feet (ft'`) of bed area, a stand-by generator, and a 145 GPM influent pump station with dual submersible pumps and high water alarms; and the continued operation of a 500,000 gallon storm water collection and disposal facility consisting of a 354 GPM wet well pump station with duplex pumps, thirteen full circle impact sprinklers, approximately 1,260 linear feet of 6-inch subsurface gravity drain pipe, 1,450 linear feet of 8-inch force main and all related valves, piping and appurtenances to serve A Place at the Beach III, with no discharge of wastes to the surface waters, pursuant to the application received August 4, 2005, and subsequent additional information received by the Division, and in conformity with the project plan, specifications, and other supporting data subsequently filed and approved by the Department of Environment and Natural Resources and considered a part of this permit. This permit shall be effective from the date of issuance until December 31, 2006, shall void Permit No. WQ0014569 issued January 11, 2002, and shall be subject to the following specified conditions and limitations: 10. The following buffers shall be maintained: a. 400 feet between high rate infiltration unit and any habitable residence or place of public assembly under separate ownership or which is to be sold, b. 10 feet between high rate infiltration unit and any on -property residential units that are to be sold (e.g., condominiums, subdivisions), c. 500 feet between high rate infiltration unit and any impounded public surface water supply or public shallow (less than 50 feet deep) ground water supply, d. 100 feet between high rate infiltration unit and any private or public water supply source, e. 200 feet between high rate infiltration unit and any streams classified as WS or B, f. 200 feet from mean high water between high rate infiltration unit and any "SA" or "SB" classified surface waters, g. 200 feet from normal high water between high rate infiltration unit and any other stream, canal, marsh, or coastal waters, h. 200 feet from normal high water between high rate infiltration unit and any Class I or Class II impounded reservoir used as a source of drinking water, i. 200 feet between high rate infiltration unit and any other lake or impoundment, j. 200 feet between high rate infiltration unit and any Drainage systems (ditches, drains, surface water diversions, etc.) and from any groundwater lowering and surface drainage ditches, k. 50 feet between high rate infiltration unit and property lines, 1. 50 feet between treatment units and property lines, and in. 50 feet between high rate infiltration unit and public right of ways. Some of the buffers specified above may not have been included in previous permits for this waste treatment and disposal system. These buffers are not intended to prohibit or prevent modifications, which are required by the Division, to improve performance of the existing treatment facility. These buffers do, however, apply to modifications of the treatment and disposal facilities, which are for the purpose of increasing the flow that is tributary to the facility. These buffers do apply to any expansion or modification of the high rate infiltration areas and apply in instances in which the sale of property would cause any of the buffers now complied with, for the treatment and disposal facilities, to be violated. The applicant is advised that any modifications to the existing facilities will require a permit modification. II. OPERATION AND MAINTENANCE REQUIREMENTS 1. The facilities shall be properly maintained and operated at all times. 2. Upon classification of the facility by the Water Pollution Control System Operator Certification Commission (WPCSOCC), the Permittee shall employ a certified wastewater treatment plant operator to be in responsible charge (ORC) of the wastewater treatment facilities. The operator must hold a certificate of the type and grade at least equivalent to or greater than the classification assigned to the wastewater treatment facilities by the WPCSOCC. The Permittee must also employ a certified back-up operator of the appropriate type and grade to comply with the conditions of 15A NCAC 8G .0202. The ORC of the facility must visit each Class I facility at least weekly and each Class II, III, and IV facility at least daily, excluding weekends and holidays, and must properly manage and document daily operation and maintenance of the facility and must comply with all other conditions of 15A NCAC 8G .0202. The daily visits by the ORC shall be done on Mondays, Wednesdays, Fridays, Saturdays, and Sundays, including holidays during the months of April through October. 3. The application rates for the high rate infiltration system shall not exceed 6.5 gpd/ft'.