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HomeMy WebLinkAboutWQ0003824_Annual Report_20230822 ROY COOPER Governor North Carolina Department of Environmental Quality | Division of Water Resources Winston-Salem Regional Office | 450 W. Hanes Mill Rd, Suite 300 | Winston-Salem, North Carolina 27105 336.776.9800 ELIZABETH S. BISER Secretary RICHARD E. ROGERS, J R. Director NORTH CAROLINA Environmental Quality August 22, 2023 Delivered via email to: tmann@cityofgraham.com Ms. Tonya Mann, Utilities Director City of Graham P.O. Box 357 Graham, NC 27253 SUBJECT: 2022 Residuals Annual Report Review City of Graham, Residuals Land Application Program Permit No. WQ0003824 Alamance County Dear Ms. Mann: Division of Water Resources staff Kristen Potwora completed a review of the 2022 Residuals Annual Report. This review reflects compliance with the subject permit. Please refer to the enclosed inspection report for additional comments and observations. If you have any questions, please contact Kristen Potwora by phone at (336) 776-9697 or by email at kristen.potwora@deq.nc.gov. Sincerely, Lon Snider, Regional Supervisor Water Quality Regional Operations Section Division of Water Resources, NCDEQ – WSRO enc: Compliance Inspection Report cc: Mr. Cris Routh, Plant Superintendent-City of Graham (Electronic Copy) Mr. Nate Roth-Synagro, (Electronic Copy) Alamance County Environmental Health (Electronic Copy) Compliance Inspection Report Permit:WQ0003824 Effective:12/01/19 Expiration:10/31/25 Owner :City of Graham SOC: Contact Person: Region: County: Directions to Facility: Alamance Winston-Salem David W Lawson Effective:Expiration:Facility:City of Graham RLAP 1204 E Gilbreath St Graham NC 272530357 Title:Phone:336-570-6721 Secondary ORC(s): 336-578-3264Phone:1001476Certification:Tonya Ane' MannPrimary ORC: LA,System Classifications: On-Site Representative(s): Related Permits: NC0021211 City of Graham - Graham WWTP NC0045292 City of Graham - Graham / Mebane WTP Secondary Inspector(s): Primary Inspector: Inspection Date:Exit Time:Entry Time: Phone: 08/18/2023 08:00AM 11:00AM Kristen Potwora 336-776-9800 Facility Status: Permit Inspection Type: Reason for Inspection:Inspection Type: Not CompliantCompliant Routine Land Application of Residual Solids (503) Annual Report Review Question Areas: Miscellaneous Questions Record Keeping Treatment Sampling Pathogen and Vector Attraction (See attachment summary) Page 1 of 4 Inspection Date: Permit: Inspection Type : Owner - Facility: Reason for Visit: WQ0003824 08/18/2023 Annual Report Review City of Graham Routine Inspection Summary: On August 18, 2023, Division of Water Resources staff Kristen Potwora completed a review of the 2022 Annual Report for WQ0003824. This review reflects compliance with the subject permit. Other Observations – •Effective 1/1/21, sludge from the City of Graham Water Treatment Plant is applied on land provided by Synagro Southeast Inc and those results are no longer included in this report. •The Alamance County Soil Survey (ACSS) was updated several years ago, resulting in many of the soil map units in the Attachment B being removed or renamed in the NC State Realistic Yield Expectations (RYE) database. TaB, DbB, GaB2, Cg and Congaree-Chewacla soil complex are no longer represented in Alamance County. Page 2 of 4 Inspection Date: Permit: Inspection Type : Owner - Facility: Reason for Visit: WQ0003824 08/18/2023 Annual Report Review City of Graham 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? Comment: Pathogen and Vector Attraction Yes No NA NE a. Fecal coliform SM 9221 E (Class A or B) 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 d. Salmonella (Class A, all test must be < 3MPN/4 gram day) Page 3 of 4 Inspection Date: Permit: Inspection Type : Owner - Facility: Reason for Visit: WQ0003824 08/18/2023 Annual Report Review City of Graham Routine e. Time/Temp on: Digester (MCRT) Compost Class A lime stabilization f. Volatile Solids Calculations g. Bench-top Aerobic/Anaerobic digestion results Comment: 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: Sampling Yes No NA NE Describe sampling: Is sampling adequate? Is sampling representative? Comment: Page 4 of 4