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Home My WebLink AboutWQ0018489_Compliance Evaluation Inspection_20221027DocuSign Envelope ID: BCA9C882-A79D-4D6E-8326-E07FA3E08041 ROY COOPER Governor ELIZABETH S. BISER Secretary RICHARD E. ROGERS, JR. NORTH CAROLINA Director Environmental Quality October 27, 2022 Mr. Jamie Revels, Utilities Director Town of Cary PO Box 8005 Cary, NC 27512 Subject: Compliance Evaluation Inspection South Cary WRF Non -Discharge Permit No. WQ0018489 Wake County Dear Mr. Revels: On September 28, 2022, Cassidy Kurtz from the Raleigh Regional Office conducted a compliance evaluation inspection of the reclaimed water generation system located at the South Cary WRF. The purpose of this inspection was to ensure compliance with the conditions and limitations specified in Non -discharge Permit No. WQ0018489. During the inspection, the cooperation and assistance of Josh Cummings, Jarrod Buchanan, Rick Jordan, and Jenny Exum was greatly appreciated. This compliance evaluation inspection consisted of the following: Review of the permit, - Review of ORC logbooks, calibration documentation, non -discharge monitoring reports (NDMRs), and On -site inspection of the treatment components. Reclaimed water is generated by the South Cary WRF (permit NC0065102). Reclaimed water is distributed through the Town of Cary's local program (covered in permit WQ0017923), which is approved for conjunctive utilization activities such as residential irrigation, non-residential irrigation, industrial uses, and bulk distribution. The current permit was issued September 10, 2019 and expires November 30, 2025. The renewal application shall be submitted to the Division by June 3, 2025. Components of the reclaimed water system appeared to be very well -maintained. Permit requirements for labeling and color -coding of the various components of the reclaimed system were being met. The monitoring equipment appeared to be well maintained and functioning properly. The chlorination equipment appeared to be in good condition, and plenty of hypochlorite solution is maintained on site. The reclaimed water system flow meter is calibrated annually and was last calibrated February 2, 2022. System turbidimeters are calibrated on a monthly basis and were last calibrated on September 26, 2022. The backup generator for the Monk CaolinaDepartsieaiofEnvirocrotnialQteiigrL Division ofWeivRsourcn Ra1dg1Regoa9 Waco 1 3600 RanonDrive I Raleigh. Now Ca mina 27009 919 7914200 DocuSign Envelope ID: BCA9C882-A79D-4D6E-8326-E07FA3E08041 facility is tested weekly, run annually under 100% load, and is on a 6-month preventative maintenance schedule. A review of records was conducted during the inspection. Operation and maintenance logs are organized and thorough. NDMR records are submitted in a timely manner. Lab results were compared to NDMR forms for January and June 2022, and no discrepancies were noted. The 2021 reclaimed water annual report was submitted to the Division on January 21, 2022. Educational materials for employees and reclaimed water users were reviewed and found to be meeting permit requirements. The Reclaimed Water Generation System appears to be compliant with permit requirements. If you have any questions about this inspection or this letter, please contact Cassidy Kurtz at Cassidy.Kurtz(a?,ncdenr.gov or (919) 791-4237. Sincerely, EDoea9Iansd by: htfA r iia t. M,aA.uti 13291eEeA1332141F... Vanessa Manuel Assistant Regional Supervisor Water Quality Regional Operations Raleigh Regional Office Attachments: EPA Water Compliance Inspection Report CC: Laserfiche Nardi Carolina Dgat:cmofBurisaosmtilc iia I DivisionafWeItcRexouas 1k r� Regional Office I 3400 Bann Drive i Raiei i. Nar hCarolina 2?909 919 791_4200 Compliance Inspection Report Permit: WO0018489 Effective: 09/10/19 Expiration: 11/30/25 Owner : Town of Cary SOC: Effective: Expiration: Facility: South Cary WRF County: Wake Region: Raleigh Contact Person: Rick Jordan Title: Phone: 919-460-4939 Directions to Facility: US 1 South to Ten Ten Rd. Turn right at top of ramp. After -5 miles, turn right on to West Lake Rd. West Lake Rd dead ends into the treatment plant. System Classifications: WWNC Primary ORC: Certification: Phone: Secondary ORC(s): On -Site Representative(s): Related Permits: NC0065102 Town of Cary - South Cary WRF Inspection Date: 09/28/2022 Entry Time 09 OOAM Exit Time: 10:30AM Primary Inspector: Cassidy Kurtz Phone: 919-807-6388 Secondary Inspector(s): Reason for Inspection: Routine Inspection Type: Compliance Evaluation Permit Inspection Type: Reclaimed Water Facility Status: In Compliant ❑ Not Comp! ant Question Areas: In Miscellaneous Questions Treatment • Record Keeping IIII Storage End Use -Reuse • Standby Power (See attachment summary) Page 1 of 5 Permit: W00018489 Owner - Facility: Town of Cary Inspection Date: 09/28/2022 Inspection Type :Compliance Evaluation Reason for Visit: Routine Inspection Summary: On September 28, 2022, Cassidy Kurtz from the Raleigh Regional Office conducted a compliance evaluation inspection of the reclaimed water generation system located at the South Cary WRF. The purpose of this inspection was to ensure compliance with the conditions and limitations specified in Non -discharge Permit No. WQ0018489. During the inspection, the cooperation and assistance of Josh Cummings, Jarrod Buchanan, Rick Jordan, and Jenny Exum was greatly appreciated. This compliance evaluation inspection consisted of the following: - Review of the permit, - Review of ORC logbooks, calibration documentation, non -discharge monitoring reports(NDMRs), and - On -site inspection of the treatment components. Reclaimed water is generated by the South Cary WRF (permit NC0065102). Reclaimed water is distributed through the Town of Cary's local program (covered in permit WQ0017923), which is approved for conjunctive utilization activities such as residential irrigation, non-residential irrigation, industrial uses, and bulk distribution. The current permit was issued September 10, 2019 and expires November 30, 2025. The renewal application shall be submitted to the Division by June 3, 2025. Components of the reclaimed water system appeared to be very well -maintained. Permit requirements for labeling and color -coding of the various components of the reclaimed system were being met. The monitoring equipment appeared to be well maintained and functioning properly. The chlorination equipment appeared to be in good condition, and plenty of hypochlorite solution is maintained on site. The reclaimed water system flow meter is calibrated annually and was last calibrated February 2, 2022. System turbidimeters are calibrated on a monthly basis and were last calibrated on September 26, 2022. The backup generator for the facility is tested weekly, run annually under 100% load, and is on a 6-month preventative maintenance schedule. A review of records was conducted during the inspection. Operation and maintenance logs are organized and thorough. NDMR records are submitted in a timely manner. Lab results were compared to NDMR forms for January and June 2022, and no discrepancies were noted. The 2021 reclaimed water annual report was submitted to the Division on January 21, 2022. Educational materials for employees and reclaimed water users were reviewed and found to be meeting permit requirements. The Reclaimed Water Generation System appears to be compliant with permit requirements. Page 2 of 5 Permit: WQ0018489 Owner - Facility: Town of Cary Inspection Date: 09/28/2022 Inspection Type : Compliance Evaluation Reason for Visit: Routine Type Yes No NA NE Reuse (Quality) ❑ Infiltration System ❑ Lagoon Spray, LR 0 Single Family Spray, LR ❑ Activated Sludge Spray, LR ❑ Activated Sludge Drip, LR ❑ Activated Sludge Spray, HR ❑ Recycle/Reuse ❑ Single Family Drip 0 Treatment Are Treatment facilities consistent with those outlined in the current permit? Do all treatment units appear to be operational? (if no, note below.) Comment: Yes No NA NE ■ ❑❑❑ ■ ❑❑❑ Standby Power Yes No NA NE Is automat cally activated standby power available? •❑ ❑ ❑ Is generator tested weekly by interrupting primary power source? •❑ ❑ ❑ Is generator operable? •❑ ❑ ❑ Does generator have adequate fuel? •❑ ❑ ❑ Comment: Generator tested weekly. run under 100% Toad annually, preventative maintenance performed every 6 months Record Keeping Yes No NA NE Is a copy of current permit available? 1E000 Are monitoring reports present: NDMR? •❑ ❑ ❑ NDAR? ❑ ❑ • ❑ Are flow rates less than of permitted flow? 0 0 • 0 Are flow rates less than of permitted flow? 0 0 • ❑ Are application rates adhered to? 00.0 Is GW monitoring being conducted, if required (GW-59s submitted)? ❑ ❑•❑ Are all samples analyzed for all required parameters? •❑ ❑ 0 Are there any 2L GW quality violations? ❑ 0 • ❑ Is GW-59A certification form completed for facility? ❑ ❑•❑ Is effluent sampled for same parameters as GW? ❑ ❑•❑ Do effluent concentrations exceed GW standards? 0 0 • 0 Are annual soil reports available? 001.0 Page 3 of 5 Permit: WQ0018489 Owner - Facility:Town of Cary Inspection Date: 09/28/2022 Inspection Type : Comp! ance Evaluation Reason for Visit: Routine # Are PAN records required? # Did last soil report indicate a need for lime? If so, has it been applied? Are operational logs present? Are lab sheets available for review? Do lab sheets support data reported on NDMR? Do lab sheets support data reported on GW-59s? Are Operational and Maintenance records present? Were Operational and Maintenance records complete? Has permittee been free of public complaints in last 12 months? Is a copy of the SOC readily available? No treatment units bypassed since last inspection? Comment: End Use -Reuse Is the acreage in the permit being utilized? Does the acreage specified in the permit correspond to the measured acreage at the site? Are all essential units provided in duplicate? Is an automatically activated standby power source available? Is the equalization capacity adequate? Is aerated flow equalization present? Has the turbidity meter been calibrated in the last 12 months? Does the turbidity meter have recording capabilities? Is all flow diverted at the appropriate times? Is all upset wastewater diverted from reuse storage unit? Is all upset wastewater treated, retreated, or disposed of acceptably? Is upset wastewater treated prior to discharge to irrigation storage? Is public access restricted from irrigation area during active site use? If golf course, is a sign posted in plain sight on the club house? Is the cover crop acceptable? Are buffers adequate? Is the site free of ponding/runoff? Is the acreage in the permit being utilized? Is the application equipment acceptable? Is the application area free of limiting slopes? How close is the closest water supply well? Are any supply wells within the CB? ❑ ❑•❑ ❑ ❑11❑ DODO 11000 ■ ❑❑❑ • ❑ ❑ ❑ O 0110 ■ ❑❑❑ ■ ❑❑❑ ❑ ❑❑■ 120.0 ❑ ❑ ❑• Yes No NA NE ❑ ❑ • ❑ ❑ ❑R❑ ❑ ❑ ❑ ❑ ■ ❑❑❑ ■ ❑❑❑ DODO • ❑❑❑ • ❑❑❑ ■ ❑❑❑ • ❑❑❑ • ❑❑❑ • ❑❑❑ ■ ❑❑❑ ❑ ❑■❑ ❑ ❑ � ❑ ■ ❑❑❑ ❑ ❑•❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑•❑ ❑ ❑•❑ ❑ ❑■❑ Page 4 of 5 Permit: WQ0018489 Owner • Facility:Town of Cary Inspection Date: 09/28f2022 Inspection Type : Compliance Evaluation Reason for Visit: Routine Are any supply wells within 250' of the CB? Is municipal water available in the area? Are GW monitoring wells required? Are GW monitoring wells located properly w' respect to RB and CB? Are GW monitoring wells properly constructed, including screened interval? Comment: ❑ ❑ ❑ ■ ❑❑❑ ❑ ❑ • ❑ O 0110 ❑ ❑ ❑ Page 5 of 5