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Home My WebLink AboutNC0060755_Compliance Evaluation Inspection_20220407ROY COOPER Governor ELIZABETH 5. B1SER. Secretary RICHARD E. ROGERS, JR. Director Mr. Kenny Knopf, Area Manager Carolina Water Services, Inc of NC 8107 S. Arrowridge Blvd Charlotte, NC 28273 Dear Mr. Knopf: NORTH CAROLINA awironmentaf Quality April 7, 2022 Subject: Compliance Evaluation Inspection Saddlewood Subdivision WWTP NPDES Permit No. NC0060755 Gaston County Enclosed is a copy of the Compliance Evaluation Inspection for the inspection conducted at the subject facility on April 5, 2022, by Ori Tuvia. Your cooperation during the site visit were much appreciated. Please advise the staff involved with this NPDES Permit by forwarding a copy of the enclosed report. Although the bar screen was in compliance at the time of inspection, the bar screen appeared undersized. It is recommended that you consider the installation of a larger capacity bar screen. The report should be self-explanatory; however, should you have any questions, please do not hesitate to contact Ori Tuvia at (704) 235-2190, or at ori.tuvia@ncdenr.gov. Cc: Laserfiche Sincerely, DocuSigned by: 44..11414w H P:z>ket. F161FB69A2D84A3... for W. Corey Basinger Regional Supervisor Mooresville Regional Office Division of Water Resources North Carolina Drpartrncnt of Environmental Quallty I Division of Water Resources MooresvilleRtgionakOffice 1610East Center Avenue. Smote 301 I Mooresville. North.Caratlna 28115 7c 4.6b3.16]9 United States Environmental Protection Agency E PA Washington, D.C. 20460 Water Compliance Inspection Report Form Approved. OMB No. 2040-0057 Approval expires 8-31-98 Section A: National Data System Coding (i.e., PCS) Transaction 1 IN I 21IIIIII Code NPDES yr/mo/day Inspection 2 L 3 I NC0060755 111 121 22/04/05 117 Type 1810I IIIIIIIIIII Inspector Fac Type 191S I 2011 IIIIIIIIIIIIIIIIII I IIIIII P6 Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA Reserved 67I1.0 I 70I4 I 71IN I 72 I N I 731 1 74 751 I I 1 I I I I I I 180 l Section B: Facility Data Name and Location of Facility Inspected (For Industrial Users discharging to POTW, also include POTW name and NPDES permit Number) Saddlewood WWTP 335 Fair Meadows Ct Gastonia NC 28052 Entry Time/Date 09:30AM 22/04/05 Permit Effective Date 20/12/01 Exit Time/Date 10:35AM 22/04/05 Permit Expiration Date 25/08/31 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) /// Kenneth Wayne Knopf/ORC/704-525-7990/ Other Facility Data Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Martin Lashua,PO Box 240908 Charlotte NC 282240908/Regional Director/704-319-0517/7045258174 No Section C: Areas Evaluated During Inspection (Check only those areas evaluated) Permit Flow Measurement Operations & Maintenar Records/Reports Self -Monitoring Progran Sludge Handling DispoFacility Site Review Effluent/Receiving Wate Laboratory Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) (See attachment summary) Name(s) and Ori A Tuvia Signature(s) of Inspector(s) Agency/Office/Phone and Fax Numbers Date 4/7/2022 DocuSigned by: DWR/MRO WQ/704-663-1699/ -<� BB057A2DE017498... Signature of M ag&?fATfAeviewer Agency/Office/Phone and Fax Numbers Date Andrew Pit e "4 H P WR/MRO WQ/704-663-1699 Ext.2180/ 4.7.22 F161 FB69A2D84A3... EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. Page# 1 NPDES yr/mo/day 31 NC0060755 111 121 22/04/05 I17 Inspection Type 18 [j 1 Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) Page# 2 Permit: NC0060755 Inspection Date: 04/05/2022 Owner - Facility: Saddlewood WWTP Inspection Type: Compliance Evaluation Permit Yes No NA NE (If the present permit expires in 6 months or less). Has the permittee submitted a new ❑ ❑ ❑ application? Is the facility as described in the permit? • ❑ El El # Are there any special conditions for the permit? El • El El Is access to the plant site restricted to the general public? • ❑ ❑ ❑ Is the inspector granted access to all areas for inspection? • ❑ ❑ ❑ Comment: The subject permit expires on August 31, 2025. Record Keeping Yes No NA NE Are records kept and maintained as required by the permit? • ❑ ❑ ❑ Is all required information readily available, complete and current? • ❑ ❑ ❑ Are all records maintained for 3 years (lab. reg. required 5 years)? ❑ ❑ ❑ • Are analytical results consistent with data reported on DMRs? • ❑ El El Is the chain -of -custody complete? • El El El Dates, times and location of sampling • Name of individual performing the sampling • Results of analysis and calibration ■ Dates of analysis • Name of person performing analyses • Transported COCs ■ Are DMRs complete: do they include all permit parameters? • El El ❑ Has the facility submitted its annual compliance report to users and DWQ? El El • El (If the facility is = or > 5 MGD permitted flow) Do they operate 24/7 with a certified ❑ El • ❑ operator on each shift? Is the ORC visitation log available and current? • El El El Is the ORC certified at grade equal to or higher than the facility classification? • El ❑ ❑ Is the backup operator certified at one grade less or greater than the facility • El El El classification? Is a copy of the current NPDES permit available on site? • ❑ El El Facility has copy of previous year's Annual Report on file for review? El El • El Comment: The records reviewed during the inspection were well organized and maintained. DMR's, COC's, ORC logs and calibration logs were reviewed for the period of October 2021 through December 2021. Page# 3 Permit: NC0060755 Inspection Date: 04/05/2022 Owner - Facility: Saddlewood WWTP Inspection Type: Compliance Evaluation Effluent Sampling Yes No NA NE Is composite sampling flow proportional? ❑ ❑ • ❑ Is sample collected below all treatment units? • ❑ ❑ ❑ Is proper volume collected? ■ ❑ ❑ ❑ Is the tubing clean? ❑ ❑ • ❑ # Is proper temperature set for sample storage (kept at less than or equal to 6.0 ❑ ❑ • ❑ degrees Celsius)? Is the facility sampling performed as required by the permit (frequency, sampling type • El El El representative)? Comment: The subject permit requires grab effluent sampling. Upstream / Downstream Sampling Yes No NA NE Is the facility sampling performed as required by the permit (frequency, sampling type, MODE and sampling location)? Comment: Laboratory Are field parameters performed by certified personnel or laboratory? Are all other parameters(excluding field parameters) performed by a certified lab? # Is the facility using a contract lab? # Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees Celsius)? Incubator (Fecal Coliform) set to 44.5 degrees Celsius+/- 0.2 degrees? Incubator (BOD) set to 20.0 degrees Celsius +/- 1.0 degrees? Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ • ❑ ❑ ❑ • ❑ Comment: Field analyses are performed under the facility laboratory (certification 5228). K&W Labs (NH3, TSS, Fecal, and BOD) also been contracted to provide analytical support. Operations & Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping? • ❑ ❑ ❑ Does the facility analyze process control parameters, for ex: MLSS, MCRT, Settleable • ❑ ❑ ❑ Solids, pH, DO, Sludge Judge, and other that are applicable? Comment: The wastewater treatment plant appeared to be properly operated and well maintained. Bar Screens Yes No NA NE Type of bar screen a.Manual • b.Mechanical El Page# 4 Permit: NC0060755 Inspection Date: 04/05/2022 Owner - Facility: Saddlewood WWTP Inspection Type: Compliance Evaluation Bar Screens Are the bars adequately screening debris? Is the screen free of excessive debris? Is disposal of screening in compliance? Is the unit in good condition? Comment: The bar screen appeared to be undersized. Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ Aeration Basins Yes No NA NE Mode of operation Ext. Air Type of aeration system Diffused Is the basin free of dead spots? ■ ❑ ❑ ❑ Are surface aerators and mixers operational? El El • ❑ Are the diffusers operational? • El El El Is the foam the proper color for the treatment process? • El ❑ ❑ Does the foam cover less than 25% of the basin's surface? • El El El Is the DO level acceptable? • El ❑ ❑ Is the DO level acceptable?(1.0 to 3.0 mg/I) El El El • Comment: Secondary Clarifier Is the clarifier free of black and odorous wastewater? Is the site free of excessive buildup of solids in center well of circular clarifier? Are weirs level? Is the site free of weir blockage? Is the site free of evidence of short-circuiting? Is scum removal adequate? Is the site free of excessive floating sludge? Is the drive unit operational? Is the return rate acceptable (low turbulence)? Is the overflow clear of excessive solids/pin floc? Is the sludge blanket level acceptable? (Approximately'/4 of the sidewall depth) Comment: Yes No NA NE • ❑ ❑ ❑ ❑ ❑ • ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Page# 5 Permit: NC0060755 Inspection Date: 04/05/2022 Owner - Facility: Saddlewood WWTP Inspection Type: Compliance Evaluation Disinfection -Liquid Is there adequate reserve supply of disinfectant? (Sodium Hypochlorite) Is pump feed system operational? Is bulk storage tank containment area adequate? (free of leaks/open drains) Is the level of chlorine residual acceptable? Is the contact chamber free of growth, or sludge buildup? Is there chlorine residual prior to de -chlorination? Comment: Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ De -chlorination Yes No NA NE Type of system ? Liquid Is the feed ratio proportional to chlorine amount (1 to 1)? ❑ ❑ ❑ • Is storage appropriate for cylinders? • ❑ ❑ ❑ # Is de -chlorination substance stored away from chlorine containers? ❑ ❑ • ❑ Comment: Are the tablets the proper size and type? ❑ ❑ ■ ❑ Are tablet de -chlorinators operational? ❑ ❑ • ❑ Number of tubes in use? Comment: Flow Measurement - Effluent # Is flow meter used for reporting? Is flow meter calibrated annually? Is the flow meter operational? (If units are separated) Does the chart recorder match the flow meter? Comment: Flow meter was last aclibrated on 12/14/2021 by B.W. Allen Company. Effluent Pipe Is right of way to the outfall properly maintained? Are the receiving water free of foam other than trace amounts and other debris? If effluent (diffuser pipes are required) are they operating properly? Comment: The effluent appeared clear with no floatable foam. Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Yes No NA NE Page# 6 Permit: NC0060755 Inspection Date: 04/05/2022 Owner - Facility: Saddlewood WWTP Inspection Type: Compliance Evaluation Aerobic Digester Is the capacity adequate? Is the mixing adequate? Is the site free of excessive foaming in the tank? # Is the odor acceptable? # Is tankage available for properly waste sludge? Comment: Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Page# 7