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Home My WebLink AboutWQ0022017_Staff Report_20230323DocuSign Envelope ID: 3D78EB97-F9A0-4D17-9410-C43F22FA1F6C ROY COOPER Governor ELIZABETH S. BISER Secretary RICHARD E. ROGERS, JR. Director Danny E. and Patricia R. Blackburn 5836 Family Farm Road Morrisville, NC 27560 Mr. Blackburn, NORTH CAROLINA Environmental Quality March 23, 2023 Subject: Compliance Evaluation Inspection Permit # WQ0022017 Facility: 5836 Family Farm Road SFR Orange County On March 22, 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 .00036 (MGD) wastewater treatment and irrigation facility consisting of a 1250 gallon baffled septic tank, a 336 ft2 duel bed subsurface sand filters (168 ft2 each) with a 1.07 GPD/ft2 design loading rate chlorine tablet disinfection, a .003 gallon pump/storage tank with audio/visual high water alarms and a 9.5 gpm dosing pump, rain sensor, a 0.23 acres fenced spray irrigation area with three (3) sprinklers ( 80 ft diameter each), and all associated piping, valves, controls, and appurtenances with no discharge of wastes to surface waters. The permit, which was issued June 16, 2017, expired May 31, 2022. Section I (1) of the 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 February 28, 2024, due March 5, 2023, has been paid. Please ensure that future renewal applications are completed and submitted no later than six months prior to expiration to the division as required. 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 NORTHCAROLINAD_E Q � oeiunmem a �.iromm�nmi ouaN.O.- � /� 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: 3D78EB97-F9A0-4D17-9410-C43F22FA1F6C contravention of groundwater or surface water standards. The treatment system components are to be inspected weekly, monthly, and quarterly by the permittee. At the time of inspection, the permittee was not on -site, and all components of the system were not evaluated and tested. 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 days 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 a tablet chlorination unit for disinfection of wastewater. The chlorination tablet disinfection system provides effective disinfection and reduces harmful bacteria from entering the environment. The chlorine tablet disinfection system should be checked weekly to ensure proper disinfection of the wastewater prior to spray irrigation. At the time of inspection, the chlorination tablet feeder was located, and a sufficient supply of tablets were evident. The moisture sensor, visual high-level alarm was located on the control junction box was located. 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 spray irrigation system was not evaluated and tested. All three spray nozzles and associated piping were in good operational condition. The spray field vegetative cover was in good condition and there was no evidence of surface runoff or ponding. The perimeter wire 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 james.westcott(@ncdenr.gov or 919-791-4247. NORTH eAAo�� Irl oepanmem or Envimomencai aeau� 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 919.707.9000 DocuSign Envelope ID: 3D78EB97-F9A0-4D17-9410-C43F22FA1F6C Sincerely, ocuSigned by: 1�D & -e. �l4 a 2916E6AB32144F... Vanessa E. Manuel, Assistant Regional Supervisor Water Quality Regional Operations Section Raleigh Regional Office Division of Water Resources, NCDEQ Cc: Laserfiche D E Q 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 on»rnmam or En.imn—Wl aum;\�