The URL can be used to link to this page

Home My WebLink AboutWQ0001863_Compliance Evaluation Inspection_20190509ROY COOPER 66crrlc+r K41CHAEL S. REGAN Secretary LINDA GULPEPPER arwtor David E Johnson via Email City of Mount Holly PO Box 406 Mt Holly, NC 28120 NORTH CAROUNA Environmental Qual" May 9, 2019 SUBJECT: Compliance Inspection Report City of Mount Holly RLAP Non -discharge Permit No. WQOOO1863 Gaston County Dear Mr. Johnson: The North Carolina Division of Water Resources conducted an inspection of the City of Mount Holly RLAP on 4/30/2019. This inspection was conducted to verify that the facility is operating in compliance with the conditions and limitations specified in Non -discharge Permit No. WQ0001863. The findings and comments noted during this inspection are provided in the enclosed copy of the inspection report entitled "Compliance Inspection Report". Residuals records and processing appeared in order at the time of inspection; however, there are a couple of items noted to maintain overall compliance: • One of two residuals holding tanks was full to capacity with an estimate of 18 inches from the top of the tank. It is recommended a maximum level mark be placed/painted on both residuals storage tanks at 24 inches below the lowest point to meet non -discharge storage requirements for a minimum 2 feet of freeboard. • This permit is due to expire on November 3Oth, 2019. A renewal application is due 6 months prior to expiration, by May 31st, 2019. NortNCaro I,naDepartn!ertofEnvrorrr.erts Qua!1Y I D:rsiaaofWater Resources Woo resr1SeRegora Off -De 1 fi10 EaEt erterAvenue,Se;te3011 Mooresv-1ie,North {aroims2S115 If you should have any questions, please do not hesitate to contact Maria Schutte with the Water Quality Regional Operations Section in the Mooresville Regional Office at 704-663-1699 or via email at maria.schutte@ncdenr.gov. Sincerely, DocuSigned by: A:" mD90=43T W. Corey Basinger, Regional Supervisor Water Quality Regional Operations Section Mooresville Regional Office Division of Water Resources, NCDEQ Attachment(s): WQ0001863 Inspection Report Cc: Douglas Shoudt LA-ORC, Mt. Holly (email) No rth Carolina Depart ment of E nvuon iaenta Quairty I Dj%isiao of Water Resources Mooresville Reg bftaIOffice1610fastCenter Avenue, SuiteW1I Mooreswlle,North C9roima25115 �L f •°� 7U4�C3-169� Compliance Inspection Report Permit: WQ0001863 Effective: 04/02/18 Expiration: 11/30/19 owner: City of Mount Holly SOC: Effective: Expiration: Facility: City of Mount Holly RLAP County: Gaston 201 Broome St Region: Mooresville Mount Holly NC 28120 Contact Person: David E Johnson Title: Utilities Director Phone: 704-951-0074 Ext.102 Directions to Facility: System Classifications: LA, Primary ORC: Certification: Phone: Secondary ORC(s): On -Site Representative(s): Related Permits: NC0021156 City of Mount Holly - Mount Holly WWTP Inspection Date: 04/30/2019 Entry Time: 10:25AM Primary Inspector: Maria Schutte Secondary Inspector(s): Ori A Tuvia Reason for Inspection: Routine Permit Inspection Type: Land Application of Residual Solids (503) Facility Status: Compliant Not Compliant Question Areas: Miscellaneous Questions Record Keeping Pathogen and Vector Attraction Storage (See attachment summary) Exit Time: 01:30PM Phone: 704-663-1699 Inspection Type: Compliance Evaluation Treatment Page 1 of 4 Permit: WQ0001863 Owner - Facility: City of Mount Holly Inspection Date: 04/30/2019 Inspection Type : Compliance Evaluation Reason for Visit: Routine Inspection Summary: Mooresville Regional Office staff conducted joint NPDES and RLAP permit inspections on April 30th, 2019. A separate NPDES inspection report was sent by Ori Tuvia, on May 2nd, 2019. Per conversation with Mr. Shoudt, the WWTP solids were elevated due to seasonal transition with increased wasting anticipated over the coming weeks. Residuals records and processing appeared in order at the time of inspection; however, there are a couple of items noted to maintain overall compliance: One of two residuals holding tanks was full to capacity with an estimate of 18 inches from the top of the tank. It is recommended a maximum level mark be placed/painted on both residuals storage tanks at 24 inches below the lowest point to meet non -discharge storage requirements for a minimum 2 feet of freeboard. This permit is due to expire on November 30th, 2019. A renewal application is due 6 months prior to expiration, by May 31st, 2019. Please contact Maria.Schutte@NCDENR.Gov with any questions related to this report or your permit renewal. Sincerely, Maria Schutte Page 2 of 4 Permit: WQ0001863 Owner - Facility: City of Mount Holly Inspection Date: 04/30/2019 Inspection Type : Compliance Evaluation Reason for Visit: Routine Type Yes No NA NE Distribution and Marketing ❑ Land Application Record Keeping Yes No NA NE Is GW monitoring being conducted, if required? ❑ ❑ ❑ Are GW samples from all MWs sampled for all required parameters? ❑ ❑ ❑ Are there any GW quality violations? ❑ ❑ ❑ Is GW-59A certification form completed for facility? ❑ ❑ ❑ Is a copy of current permit on -site? ❑ ❑ ❑ Are current metals and nutrient analysis available? ❑ ❑ ❑ Are nutrient and metal loading calculating most limiting parameters? ❑ ❑ ❑ a. TCLP analysis? ❑ ❑ ❑ b. SSFA (Standard Soil Fertility Analysis)? ❑ ❑ ❑ Are PAN balances being maintained? ❑ ❑ ❑ Are PAN balances within permit limits? ❑ ❑ ❑ Has land application equipment been calibrated? ❑ ❑ ❑ Are there pH records for alkaline stabilization? ❑ ❑ ❑ Are there pH records for the land application site? ❑ ❑ ❑ Are nutrient/crop removal practices in place? ❑ ❑ ❑ Do lab sheets support data reported on Residual Analysis Summary? ❑ ❑ ❑ Are hauling records available? ❑ ❑ ❑ Are hauling records maintained and up-to-date? ❑ ❑ ❑ # Has permittee been free of public complaints in last 12 months? ❑ ❑ ❑ Has application occurred during Seasonal Restriction window? ❑ 0 ❑ ❑ Comment: The Mt. Holly WWTP residuals processing, storage & records were viewed, There was no active land application at the time of inspection. Pathogen and Vector Attraction Yes No NA NE a. Fecal coliform SM 9221 E (Class A or B) ❑ 0 ❑ ❑ Class A, all test must be <1000 MPN/dry gram ❑ Geometric mean of 7 samples per monitoring period for class B<2.0*10E6 CFU/dry gram ❑ Fecal coliform SM 9222 D (Class B only) ❑ ❑ ❑ Geometric mean of 7 samples per monitoring period for class B<2.0*10E6 CFU/dry gram b. pH records for alkaline stabilization (Class A) ❑ ❑ ❑ c. pH records for alkaline stabilization (Class B) ❑ ❑ ❑ Temperature corrected ❑ Page 3 of 4 Permit: WQ0001863 Owner - Facility: City of Mount Holly Inspection Date: 04/30/2019 Inspection Type : Compliance Evaluation Reason for Visit: Routine d. Salmonella (Class A, all test must be < 3MPN/4 gram day) ❑ ❑ 0 ❑ e. Time/Temp on: ❑ ❑ 0 ❑ Digester (MCRT) ❑ Compost ❑ Class A lime stabilization ❑ f. Volatile Solids Calculations ❑ ❑ 0 ❑ g. Bench -top Aerobic/Anaerobic digestion results 0 ❑ ❑ ❑ Comment: PVAR demonstrated by fecal and 30day bench analyses. Treatment Yes No NA NE Check all that apply Aerobic Digestion Anaerobic Digestion ❑ Alkaline Pasteurization (Class A) ❑ Alkaline Stabilization (Class B) ❑ Compost ❑ Drying Beds ❑ Other ❑ Comment: The Mt. Holly WWTP produces a liquid biosolids for application. There are long-term plans to convert this facility to a pump station, which will then be connected to Charlotte Water for processing. Page 4 of 4