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Home My WebLink AboutWQ0023213_Compliance Evaluation Inspection_20220902ROY COOPER Governor ELIZABETH S. BISER Secretary RICHARD E. ROGERS, JR. Director NORTH CAROLINA Environmental Quality September 2, 2022 Tom Johnson, Water Resources Superintendent Cit of Lexington 28 West Center Street Lexington, NC 27292 SUBJECT: Compliance Evaluation Inspection Lexington Golf Club WWTP Permit No. WQ0023213 Davidson County On August 18, 2022, Division of Water Resources staff Caitlin Caudle conducted a compliance evaluation inspection. A review of available records, treatment facilities, storage facilities, and lift station was completed. Steve Craver and Jeff Walser of the City of Lexington were present during the entire inspection. This review mostly reflected compliance with the subject permit. The following items of concern was noted: 1. Neither the highwater float nor the alarm at the lift station were working at the time of inspection. Per Permit Condition 11.1 the facility shall be effectively maintained and operated at all times. Please repair the float and highwater alarm as soon as possible. 2. Per Permit Condition 111.8 and Permit Condition IV.3 the turbidimeter and flowmeter shall be calibrated at least once a year. The facility has not produced reclaimed water since August of 2017. Please be mindful that the turbidimeter and the flowmeter must be calibrated before the system is returned to operation. 3. An Operation and Maintenance Plan, Spill Plan, and Residuals Management Plan were not available at the time of inspection. Ms. Caudle requested the materials be provided via email. Materials were provided on August 25, 2022. Moving forward, please have all plans available per Permit Condition 111.2. North Carolina Department of Environmental Quality I Division of Water Resources Winston-Salem Regional Office 1 450 W. Hanes Mill Rd, Suite 300 I Winston-Salem, North Carolina 27105 NoanicaaouNn oep.m.m or em�nmen� Qualm 336.776.9800 Please refer to the enclosed inspection report for additional comments and observations. If you have any questions please contact me or Caitlin Caudle at the letterhead address or phone number, or by email at Ion. snider(D-ncdenr.gov or caitlin.caudle(a)_ncdenr.gov. Sincerely, DocuS�igfned by: 145B49E225CMEA... Lon T. Snider, Regional Supervisor Water Quality Regional Operations Section Division of Water Resources, NCDEQ-WSRO Enc: Inspection Report Cc: Steve Craver, City of Lexington (electronic copy) Jeff Walser, City of Lexington (electronic copy) Davidson County Environmental Health (electronic copy) Laserfiche File WQ0023213 WSRO Electronic Files D North Carolina Department of Environmental Quality I Division of Water Resources ✓ Winston-Salem Regional Office 1 450 W. Hanes Mill Rd, Suite 300 1 Raleigh, North Carolina 27105 NORTH CAROLINA 336.776.9800 naparMeM of EmironmanW 9uallly Compliance Inspection Report Permit: WQ0023213 Effective: 12/01/17 Expiration: 11/30/22 Owner: City of Lexington SOC: Effective: Expiration: Facility: Lexington Golf Club WWTP County: Davidson 200 Country Club Dr Region: Winston-Salem Lexington NC 27292 Contact Person: Joseph Charles Shaffer Title: Phone: 336-357-5090 Directions to Facility: from 1-40 take US-52 South (Exit 193), take NC-8 exit, turn left onto NC-8/01d US-52, continue to follow NC-8, turn slight left on NC-8 south/west 5th st., turn right onto North Main St./NC-8, turn left onto East Center St., turn right on Fairview Dr., System Classifications: S1, WW2, Primary ORC: Certification: Phone: Secondary ORC(s): On -Site Representative(s): Related Permits: NC0055786 City of Lexington - Lexington Regional WWTP Inspection Date: 08/18/2022 Entry Time 09:OOAM Exit Time: 11:OOAM Primary Inspector: Caitlin Caudle Phone: 336-776-9699 Secondary Inspector(s): Reason for Inspection: Routine Inspection Type: Compliance Evaluation Permit Inspection Type: Reclaimed Water Facility Status: Compliant ❑ Not Compliant Question Areas: Treatment Flow Measurement -Effluent Treatment Flow Measurement -Influent Miscellaneous Questions Treatment Flow Measurement -Water Treatment Treatment Filters Use Records Record Keeping Treatment Activated Sludge End Use -Irrigation Treatment Clarifiers Treatment Disinfection Treatment Flow Measurement Storage (See attachment summary) Page 1 of 7 Permit: WQ0023213 Owner - Facility: City of Lexington Inspection Date: 08/18/2022 Inspection Type: Compliance Evaluation Reason for Visit: Routine Inspection Summary: On August 18, 2022, Division of Water Resources staff Caitlin Caudle conducted a compliance evaluation inspection. A review of available records, treatment facilities, storage facilities, and lift station was completed. Steve Craver and Jeff Walser of the City of Lexington were present during the entire inspection. This review mostly reflected compliance with the subject permit. The following items of concern was noted: 1. Neither the highwater float nor the alarm at the lift station was working at the time of inspection. Per Permit Condition 11.1 the facility shall be effectively maintained and operated at all times. Please repair the float and highwater alarm as soon as possible. 2. Per Permit Condition 111.8 and Permit Condition IV.3 the turbidimeter and flowmeter shall be calibrated at least once a year. The facility has not produced reclaimed water since August of 2017. Please be mindful that the turbidimeter and the flowmeter must be calibrated before the system is returned to operation. 3. An Operation and Maintenance Plan, Spill Plan, and Residuals Management Plan were not available at the time of inspection. Ms. Caudle requested the materials be provided via email. Materials were provided on August 25, 2022. Moving forward, please have all plans available per Permit Condition 111.2. Other observations: • A permit renewal application has not been submitted yet. Ms. Caudle provided the permit renewal application on 8/18/2022. • There is no back up power at this facility. • There is currently no need for reclaimed water at the golf course. No reclaimed water has been generated since August 2017. There were issues with the age of potable water in the water tower that serves the golf course and country club. To turn over water faster, potable water was transferred from the tower to the storage tank for irrigation. • All treatment units are still operational or can be returned to operational status easily. All treatment units were in good condition. • Swearing Creek Forcemain ❑ Lift Station ❑ Aeration Basin ❑ Clarifier ❑ Disc Filters ❑ CCC ❑ Storage Tank OR Clarifier ❑ Manhole with return to forcemain • All effluent for this facility is diverted from a forcemain along Swearing Creek. A sluice gate is opened which allows wastewater from the forcemain to gravity flow to the lift station. The lift station is controlled by floats or a timer when the system is in operation. The elevation for the forcemain and the top of the lift station are even. The sluice gate is manually opened or closed. There is an outlet pipe from the lift station to the forcemain that allows wastewater to return to the forcemain if the check valve at the aeration basin fails. • The pipe from the forcemain does pass under a creek. The creek appeared to be in good condition. • The lift station is located at the #4 tee box. 35.7910124,-80.2500274. • There is a flowmeter at the head of the treatment train which measures how much effluent enters the treatment system 35.7938579,-80.2480320. • Currently, the blowers are not able to operate as needed under the pressure head when the aeration basin is completely full. There is still wastewater in the aeration basin and the blowers continue to operate. All aerators appeared to be operating correctly. Mr. Craver stated that new blowers will be installed in October or November as soon as they arrive. • A DO meter is present in the aeration basin, but the probe has been repurposed in the WWTP. A probe can be installed if needed. • Wastewater still gravity flows from the aeration basin to the clarifier, but nothing is leaving the clarifier. The wastewater level in the clarifier is below the weirs. Currently the waste valve is open to return wastewater to the aeration basin. The waste return is powered by the blowers. • When in operation, solids from the clarifier are wasted directly to the manhole with return to the forcemain. • There is a valve between the clarifier and the tertiary disc filters that allows operators to divert wastewater to the manholE with return to the forcemain when storage is full. • The tertiary filter treatment unit was in good condition. Replacement panels are available if needed. There are nozzles that backwash the filter panels. • The chlorine contact chamber was empty. The CCC is appropriately sized for the treatment system. Another flowmeter is present at the end of the chlorine contact chamber. The sensor over the weir has been removed bui Page 2 of 7 Permit: WQ0023213 Owner - Facility: City of Lexington Inspection Date: 08/18/2022 Inspection Type: Compliance Evaluation Reason for Visit: Routine can be replaced if needed. There is also a turbidimeter at the end of the CCC that will direct flow as needed if turbidity exceeds 8 NTU. • The storage tank is open to the atmosphere. The storage tank is approximately 21ft tall. Reclaimed water enters the storage tank from the bottom via a float -controlled pump. An overflow pipe is present in the storage tank. The top of the pipe is approximately 2ft from the top of the storage tank. The overflow leads to the manhole with return to the forcemain. When the system is in operation, if more reclaimed water is produced than what can be used effluent will enter the overflow and be transferred back to the manhole. Potable water can also be transferred to the storage tank. • There are three irrigation pumps present. The golf course maintenance team manages irrigation. Currently they are usinc potable water that is transferred from a water tower to the storage tank to irrigates the golf course. There is a computer system to operate the irrigation zones manually. The maintenance team only irrigates potable water at night or early in the morning when there is no one on the course. Karl Trost and Lance Emert are the supervisor and assistant supervisor, respectively. • Someone from the City will check the treatment facility at least once every three months, but golf course personnel are on site 7 days a week to monitor the treatment units. Follow up items: • Are there any non -potable water outlets anywhere on the course? Are the waterlines for non -potable clearly noted? • Any educational materials? • Review zones if reclaimed water is being irrigated • Where was chlorine introduced into effluent feed? Page 3 of 7 Permit: WQ0023213 Owner - Facility: City of Lexington Inspection Date: 08/18/2022 Inspection Type: Compliance Evaluation Reason for Visit: Routine Type Yes No NA NE Reuse (Quality) ❑ Infiltration System ❑ Single Family Spray, LR ❑ Lagoon Spray, LR ❑ Activated Sludge Spray, HR ❑ Activated Sludge Drip, LR ❑ Recycle/Reuse ❑ Single Family Drip ❑ Activated Sludge Spray, LR Treatment Yes No NA NE Are Treatment facilities consistent with those outlined in the current permit? 0 ❑ ❑ ❑ Do all treatment units appear to be operational? (if no, note below.) 0 ❑ ❑ ❑ Comment: Treatment Flow Measurement -Influent Yes No NA NE Is flowmeter calibrated annually? ❑ ❑ 0 ❑ Is flowmeter operating properly? ❑ ❑ ❑ Does flowmeter monitor continuously? ❑ ❑ ❑ Does flowmeter record flow? ❑ ❑ ❑ Does flowmeter appear to monitor accurately? ❑ ❑ ❑ Comment: Treatment Flow Measurement -Water Use Records Yes No NA NE Is water use metered? ❑ ❑ ❑ Are the daily average values properly calculated? ❑ ❑ 0 ❑ Comment: Treatment Flow Measurement -Effluent Yes No NA NE Is flowmeter calibrated annually? ❑ ❑ ❑ Is flowmeter operating properly? ❑ ❑ ❑ Does flowmeter monitor continuously? ❑ ❑ ❑ Does flowmeter record flow? ❑ ❑ ❑ Does flowmeter appear to monitor accurately? ❑ ❑ ❑ Comment: Treatment Activated Sludge Yes No NA NE Is the aeration mechanism operable? 0 ❑ ❑ ❑ Page 4 of 7 Permit: WQ0023213 Owner - Facility: City of Lexington Inspection Date: 08/18/2022 Inspection Type: Compliance Evaluation Reason for Visit: Routine Is the aeration basin thoroughly mixed? 0 ❑ ❑ ❑ Is the aeration equipment easily accessed? 0 ❑ ❑ ❑ Is Dissolved Oxygen adequate? ❑ ❑ 0 ❑ Are Settleometer results acceptable? ❑ ❑ 0 ❑ Is activated sludge an acceptable color? ❑ ❑ ❑ Comment: Treatment Clarifiers Yes No NA NE Are the weirs level? ❑ ❑ ❑ Are the weirs free of solids and algae? ❑ ❑ ❑ Is the scum removal system operational? ❑ ❑ ❑ Is the scum removal system accessible? ❑ ❑ ❑ Is the sludge blanket at an acceptable level? ❑ ❑ ❑ Is the effluent from the clarifier free of excessive solids? ❑ ❑ ❑ Comment: Treatment Filters Yes No NA NE Is the filter media present? ❑ ❑ ❑ Is the filter media the correct size and type? ❑ ❑ ❑ Is the air scour operational? ❑ ❑ ❑ Is the scouring acceptable? ❑ ❑ ❑ Is the clear well free of excessive solids? ❑ ❑ ❑ Is the mud well free of excessive solids and filter media? ❑ ❑ ❑ Does backwashing frequency appear adequate? ❑ ❑ ❑ Comment: Treatment Disinfection Yes No NA NE Is the system working? ❑ ❑ 0 ❑ Do the fecal coliform results indicate proper disinfection? ❑ ❑ ❑ Is there adequate detention time (-30 minutes)? ❑ ❑ ❑ Is the system properly maintained? ❑ ❑ ❑ If gas, does the cylinder storage appear safe? ❑ ❑ ❑ Is the fan in the chlorine feed room and storage area operable? ❑ ❑ ❑ Is the chlorinator accessible? ❑ ❑ ❑ If tablets, are tablets present? ❑ ❑ ❑ Are the tablets the proper size and type? ❑ ❑ ❑ Is contact chamber free of sludge, solids, and growth? ❑ ❑ ❑ If UV, are extra UV bulbs available? ❑ ❑ 0 ❑ Page 5 of 7 Permit: WQ0023213 Owner - Facility: City of Lexington Inspection Date: 08/18/2022 Inspection Type: Compliance Evaluation Reason for Visit: Routine If UV, is the UV intensity adequate? ❑ ❑ 0 ❑ # Is it a dual feed system? ❑ ❑ 0 ❑ Does the Stationary Source have more than 2500 Ibs of Chlorine (CAS No. 7782-50-5)? ❑ ❑ 0 ❑ If yes, then is there a Risk Management Plan on site? ❑ ❑ 0 ❑ If yes, then what is the EPA twelve digit ID Number? (1000- - ) If yes, then when was the RMP last updated? Comment: Record Keeping Yes No NA NE Is a copy of current permit available? ❑ ❑ ❑ Are monitoring reports present: NDMR? ❑ ❑ ❑ NDAR? ❑ ❑ ❑ Are flow rates less than of permitted flow? ❑ ❑ ❑ Are flow rates less than of permitted flow? ❑ ❑ ❑ Are application rates adhered to? ❑ ❑ ❑ Is GW monitoring being conducted, if required (GW-59s submitted)? ❑ ❑ ❑ Are all samples analyzed for all required parameters? ❑ ❑ ❑ Are there any 2L GW quality violations? ❑ ❑ ❑ Is GW-59A certification form completed for facility? ❑ ❑ ❑ Is effluent sampled for same parameters as GW? ❑ ❑ ❑ Do effluent concentrations exceed GW standards? ❑ ❑ ❑ Are annual soil reports available? ❑ ❑ ❑ # 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 -Irrigation Yes No NA NE Are buffers adequate? 0 ❑ ❑ ❑ Page 6 of 7 Permit: WQ0023213 Owner - Facility: City of Lexington Inspection Date: 08/18/2022 Inspection Type: Compliance Evaluation Reason for Visit: Routine Is the cover crop type specified in permit? Is the crop cover acceptable? Is the site condition adequate? Is the site free of runoff / ponding? Is the acreage specified in the permit being utilized? Is the application equipment present? Is the application equipment operational? Is the disposal field free of limiting slopes? Is access restricted and/or signs posted during active site use? Are any supply wells within the CB? Are any supply wells within 250' of the CB? How close is the closest water supply well? Is municipal water available in the area? # Info only: Does the permit call for monitoring wells? Are GW monitoring wells located properly w/ respect to RB and CB? Are GW monitoring wells properly constructed, including screened interval? Are monitoring wells damaged? Comment: ■❑❑❑ ❑❑❑■ ❑❑❑■ ❑❑❑■ ❑❑❑■ • ❑ ❑ ❑ • ❑ ❑ ❑ ❑❑❑■ ■❑❑❑ ❑❑❑■ ❑❑❑■ ❑ ❑ ❑ ❑ ❑❑❑■ ❑❑■❑ ❑❑■❑ ❑❑■❑ ❑❑■❑ Page 7 of 7