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Home My WebLink AboutWQ0014100_Compliance Evaluation Inspection_20230411DocuSign Envelope in 097BD92C 1C5A-410E-909E-CDA94ADDA4D7 ROY COOPER Governor ELIZABETH S. BISER Secretary RICHARD E. ROGERS, JR. Director Scott T. and Sheri D. Allen 2740 Weaver Hill Drive Apex, NC 27502 Mr. and Mrs. Allen, NORTH CAROLINA Environmental Quality April 11, 2023 Subject: Compliance Evaluation Inspection Permit # WQ0014100 Facility: 2740 Weaver Hill Drive SFR Wake County On April 11, 2023, Jim Westcott from the Raleigh Regional Office visited your Single-family residence wastewater treatment and spray irrigation system to evaluate compliance with the subject permit. The facility is permitted for the operation .00048 (MGD) wastewater treatment and irrigation facility consisting of a .001 gallon baffled septic tank, three recirculating surface sand filter modules each 53 ft2, an ultraviolet (UV) disinfection unit; a .003-gallon recirculating/dosing and pump tank with two 15 gallon per minute (GPM) pumps and audible/visual high water alarms; a central hydraulic unit with disk filters; a .37-acre drip irrigation area with approximately 4800 linear feet (U) of drip line; and all associated piping, valves, controls, and appurtenances with no discharge of wastes to surface waters. The permit, which was issued June 22, 2017, expired October 31, 2022. Section I (1) of the subject permit requires the permittee to request renewal of the permit no later than six months prior to the expiration of the permit on official division forms. Division records indicate the required annual fee for the period ending July 31, 2023, due August 1, 2022, has been paid. Findings during the inspection were as follows: 1. Treatment system Operation: The wastewater treatment system shall be effectively maintained and always operated so there is no discharge to surface waters, nor any contravention of groundwater or surface water standards. The treatment system components are inspected weekly, monthly, and quarterly by NORTH CAROLINA � � uep.m.morF .n. wo�.i� North Carolina Department of Environmental Quality I Division of Water Resources Raleigh Regional Office 1 3800 Barrett Drive I Raleigh, North Carolina 27609 919.791.4200 DocuSign Envelope ID: 097BD92C-1C5A-410E-909E-CDA94ADDA4D7 the permittee. At the time of inspection, the permittee was on -site and gave a comprehensive tour of the treatment system and its components. 2. Pumping the septic tank: You are required to inspect the septic tank annually to determine if solids must be removed or if other maintenance is necessary. Septic tanks should be pumped out every five years or when the solids level is found to be more than 1/3 of the liquid depth in the septic tank compartment, whichever is greater. A pumping company can check the status periodically and determine when pumping is required. The non -discharge permit requires the permittee to retain records associated with residuals disposal for a period of 5 years. Within thirty dam of this letter, please send a copy of a recent receipt showing the residuals removed and/or a maintenance contract receipt. 3. Disinfection: Your system uses an ultraviolet disinfection unit for disinfection of wastewater. The ultraviolet disinfection system provides effective disinfection and reduces harmful bacteria from entering the environment. The ultraviolet system should be checked weekly to ensure proper disinfection of the wastewater prior to spray irrigation. 4. Proper Operation and Maintenance: The system shall be inspected monthly to make certain of the proper operation of the spray and irrigation system and that the sol is assimilating the disposed treated wastewater with no surface runoff, and that no objectionable odors are being generated. Any visible signs of a malfunctioning system shall be documented, and steps taken to correct the problem. At the time of inspection, the drip irrigation system was not in operation. The drip field vegetative cover was in good condition, there was no evidence of surface runoff or ponding. The perimeter fencing was secured with proper signage. Please continue to periodically inspect and evaluate the wastewater spray irrigation system components are properly maintained and operating as designed. Maintain all associated operational records onsite for a period of five years as required by the subject permit. If you have questions or comments about this inspection or the requirements to take corrective action (if applicable), then please contact Jim Westcott at 919-791-4247 or james.westcottOncdenr.gov. Sincerely, ocuSigned by: E�D a -E. hat�,ta 2916E6AB321441:, Vanessa E. Manuel, Assistant Regional Supervisor Water Quality Regional Operations Section Raleigh Regional Office Division of Water Resources, NCDEQ Cc: Laserfiche �� North Carolina Department of Environmental Quality I Division of Water Resources 512 North Salisbury Street 1 1611 Mail Service Center I Raleigh, North Carolina 27699-1611 NORTH CAROLINA 919.707.9000 0_p Mo Emimnmen quay DocuSign Envelope ID: 097BD92C-1C5A-410E-909E-CDA94ADDA4D7 REQ5 North Carolina Department ofEnvironmental Quality I Division ofWater Resources 512 North Salisbury Street 1 1611 Mail Service Center I Raleigh, North Carolina 27699-1611 NORTH CAROLINA 919.707.9000 onparhnem of EmironmanW 9uallly