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HomeMy WebLinkAboutNCG550360_Compliance Evaluation Inspection_20220428 April 28, 2022 Barry Parker 1091 Meronies Church Rd. Bear Creek, NC 27207 Subject: Compliance Evaluation Inspection Single Family Wastewater Treatment System General NPDES Permit NCG550000 Certificate of Coverage NCG550360 Facility: 1091 Meronies Church Rd Chatham County Barry Parker, On April 27, 2022, Chris Smith from the Raleigh Regional Office visited your single-family residence (SFR) wastewater treatment system to evaluate compliance with the subject General NPDES Permit. Your assistance during the inspection was greatly appreciated. Our records indicate the treatment system consists of a septic tank, sub-surface sand filter, tablet chlorinator with chlorine contact chamber, and cascade aerator for post aeration. General NPDES Permit NCG550000 and Certificate of Coverage (COC) NCG550360 authorize the discharge of domestic wastewater from your treatment system to receiving waters designated as an unnamed tributary to Harts Creek (classified C) in subbasin 03-06-12 of the Cape Fear River Basin. The authorized discharge is in accordance with the effluent limits and monitoring requirements established within the General Permit. The checked boxes below show what conditions were noted at your facility: Treatment system operation: The wastewater treatment system shall be maintained at all times to prevent seepage of sewage to the surface of the ground. At the time of the inspection all system components appeared to be well maintained and functioning properly. Pumping the septic tank: You are required to inspect the septic tank at least yearly 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. During the inspection, you provided documentation showing Nunnery & Sons pumped DocuSign Envelope ID: B25647F0-475C-41CE-AD19-48E39F839735 Barry Parker NCG550360 April 28, 2022 Page 2 of 3 out the septic tank on August 1, 2020. The General NPDES Permit requires the permittee to retain records associated with sewage disposal activities for a period of at least 5 years. Chlorine tablets in the chlorinator: You are reminded that it is required that chlorine tablets be maintained in the chlorinator to ensure proper disinfection of the discharged wastewater. Chlorine tablets provide effective disinfection and prevent/limit harmful bacteria from discharging to the environment. The product label for these tablets must indicate the tablets are approved for wastewater use and not for swimming pools. Part 1, Section D (1) of General NPDES Permit NCG550000 requires the permittee to inspect the tablet chlorinator weekly to ensure there is an adequate supply of tablets for continuous and proper operation. Section D (4) requires the permittee to maintain all system components, including disinfection units, at all times and in good operating order. The inspector observed chlorine tablets in the chlorinator. Please continue to ensure the correct type of tablets are used and maintained in the chlorinator as required by the General NPDES Permit. Analyzing the effluent: Part 1. C., Effluent Limitations and Monitoring Requirements, within General Permit NCG550000 requires a permittee to sample and analyze the effluent leaving his/her treatment system prior to discharge annually. Parameters to be sampled and analyzed include Flow, BOD (Biochemical Oxygen Demand), Total Suspended Solids, Fecal Coliform and Total Residual Chlorine. During the inspection, you informed the inspector that the effluent has not been monitored within the last 12 months due to the fact that the system is designed for a 4 bedroom home, is currently occupied by only 1 person, and rarely discharges. Please continue to monitor your effluent outfall and collect a representative sample of the effluent if the system develops sufficient flow, have it analyzed by a certified commercial laboratory and submit the results to this office upon receipt. Failure to monitor the effluent discharge as required is a violation of NPDES General Permit NCG550000. Discharge outlet location. The permittee is required to conduct a visual review of the outfall location at least twice each year (one at the time of sampling) to ensure that no visible solids or other obvious evidence of system malfunctioning is observed. Any visible signs of a malfunctioning system shall be documented, and steps taken to correct the problem. The discharge pipe was visible and accessible the day of the inspection. Please continue to ensure the outlet is always visible/maintained and cleared of vegetation, soil, and leaves Part II Section B.14 of General Permit NCG550000 requires the permittee to “pay the annual administering and compliance monitoring fee within thirty days after being billed by the Division.” Division records indicate the required annual fee ($60 per year) for the period ending September 30, 2022 and due October 2, 2021, has been paid. There are no overdue fees for the subject COC. DocuSign Envelope ID: B25647F0-475C-41CE-AD19-48E39F839735 Barry Parker NCG550360 April 28, 2022 Page 3 of 3 Please continue to periodically inspect the wastewater treatment system to ensure the treatment components are always maintained and in good operating order. You are also reminded to maintain all monitoring data and associated maintenance records onsite for a minimum of three years and available for inspection. If you have questions or comments about this inspection or the requirements to take corrective action (if applicable), then please contact Chris Smith at 919-791-4257. Sincerely, Vanessa E. Manuel, Assistant Regional Supervisor Water Quality Regional Operations Section Raleigh Regional Office Division of Water Resources, NCDEQ Attachment(s): EPA Water Compliance Inspection Report Cc: RRO/SWP Files Laserfiche DocuSign Envelope ID: B25647F0-475C-41CE-AD19-48E39F839735