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Home My WebLink AboutNC0085588_Compliance Evaluation Inspection_20200305ROY COOPER Gov43'rror MICHAEL S. REGAN SrcrN-3ry S. DANIEL SMITH vhvc w NORTH CAPOLINA EmN+ronmemaf Qrsoltty March 5, 2020 Mr. Robert Pearson, Public Works Director City of Lincolnton P.O. Box 617 Lincolnton, NC 28093-0617 Subject: Compliance evaluation Inspection City of Lincolnton WTP NPDES Permit No. NCO085588 Lincoln County Dear Mr. Pearson: Enclosed is a copy of the Compliance Evaluation Inspection conducted at the subject facility on February 26, 2020, by Ori Tuvia. Your cooperation during the site visit was much appreciated. Please advise the staff involved with this NPDES Permit by forwarding a copy of the enclosed report. The report should be self-explanatory; however, should you have any questions concerning this report, please do not hesitate to contact Ori Tuvia at (704) 235-2190, or at ori.tuviagncdenr. gov. Sincerely, cc: NPDES, MRO files (Laserfiche) Docuftned by: A H M4,t4 for F161FB69A2D84A3... W. Corey Basinger Regional Supervisor Mooresville Regional Office Division of Water Resources D-�3 State of North Carolina I Environmental Quality I Water Resources I Water Quality Regional Operations Mooresville Regional Office 1 610 East Center Avenue, Suite 3011 Mooresville, North Carolina 28115 704 663 1699 United States Environmental Protection Agency Form Approved. EPA Washington, D.C. 20460 OMB No. 2040-0057 Water Compliance Inspection Report Approval expires 8-31-98 Section A: National Data System Coding (i.e., PCS) Transaction Code NPDES yr/mo/day Inspection Type Inspector Fac Type 1 IN 1 2 15 I 3 I NCO085588 111 12 I 20/02/27 I17 18 I S i 19 i G i 201 I 211111 I I I I I I II I I I I I I I I I I I I I I I I I I I I I I I II I I I I I f6 Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA ---------------------- Reserved ------------------- 67 1.0 70 71 [„ I 72 n 73 L_LJ74 751 u u I I I I I I I80 Section B: Facility Data Name and Location of Facility Inspected (For Industrial Users discharging to POTW, also include Entry Time/Date Permit Effective Date POTW name and NPDES oermit Number) 10:30AM 20/02/27 17/06/01 Lincolnton WTP 1338 Reepsville Rd Exit Time/Date Permit Expiration Date Lincolnton NC 28093 11:20AM 20/02/27 20/07/31 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data Robert Worth Pearson/ORC/704-736-8970/ Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Stephen H Peeler,PO Box 617 Lincolnton NC 280930617//704-736-8980/7047368959 No Section C: Areas Evaluated During Inspection (Check only those areas evaluated) Permit Flow Measurement Operations & Maintenance Records/Reports Self -Monitoring Program Sludge Handling Disposal Facility Site Review Effluent/Receiving Waters Laboratory Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) (See attachment summary) Name(s) and Signature(s) of Inspector(s) Agency/Office/Phone and Fax Numbers Date DocuSigned by: Ori ATuvia DWR/MRO WQ/704-663-1699/ 3/5/2020 Fj �Q. r- g Signature of Management Q A Reviewer Agency/Office/Phone and Fax Nu Pocusigned by: Date 7X-.n H P44-ft 3. 5.2020 Andrew Pitner DWR/MRO WQ/704-663-1699 Ext.2180/ 1`161 FB69AMUAI.. EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. Page# NPDES yr/mo/day Inspection Type NCO085588 I11 121 20/02/27 117 18 I C Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) Page# Permit: NCO085588 Owner - Facility: Lincolnton WTP Inspection Date: 02/27/2020 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 0 ❑ ❑ ❑ application? Is the facility as described in the permit? 0 ❑ ❑ ❑ # Are there any special conditions for the permit? ❑ 0 ❑ ❑ Is access to the plant site restricted to the general public? 0 ❑ ❑ ❑ Is the inspector granted access to all areas for inspection? 0 ❑ ❑ ❑ Comment: The subject permit expires on 7/31/2020. The permittee was in the process of submitting a renewal application. Record Keeping Yes No NA NE Are records kept and maintained as required by the permit? 0 ❑ ❑ ❑ Is all required information readily available, complete and current? 0 ❑ ❑ ❑ Are all records maintained for 3 years (lab. reg. required 5 years)? 0 ❑ ❑ ❑ Are analytical results consistent with data reported on DMRs? 0 ❑ ❑ ❑ Is the chain -of -custody complete? 0 ❑ ❑ ❑ 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? 0 ❑ ❑ ❑ Has the facility submitted its annual compliance report to users and DWQ? ❑ ❑ 0 ❑ (If the facility is = or > 5 MGD permitted flow) Do they operate 24/7 with a certified operator ❑ ❑ 0 ❑ on each shift? Is the ORC visitation log available and current? 0 ❑ ❑ ❑ Is the ORC certified at grade equal to or higher than the facility classification? 0 ❑ ❑ ❑ Is the backup operator certified at one grade less or greater than the facility classification? ❑ ❑ ❑ Is a copy of the current NPDES permit available on site? ❑ ❑ ❑ Facility has copy of previous year's Annual Report on file for review? ❑ ❑ ❑ Comment: The records reviewed durina the inspection were oraanized and well maintained. DMRs COCs, calibration logs and ORC visitation logs were reviewed for the period May 2019 through December 2020. At the time of the inspection it was discovered that the quarterly metal sampling have been accidently reported in uq/I rather than Mg/l, the ORC has revised all EDMr's going back to March 2017. Page# 3 Permit: NCO085588 Owner - Facility: Lincolnton WTP Inspection Date: 02/27/2020 Inspection Type: Compliance Evaluation Laboratory Yes No NA NE Are field parameters performed by certified personnel or laboratory? 0 ❑ ❑ ❑ Are all other parameters(excluding field parameters) performed by a certified lab? 0 ❑ ❑ ❑ # Is the facility using a contract lab? 0 ❑ ❑ ❑ # Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees 0 ❑ ❑ ❑ Celsius)? Incubator (Fecal Coliform) set to 44.5 degrees Celsius+/- 0.2 degrees? ❑ ❑ 0 ❑ Incubator (BOD) set to 20.0 degrees Celsius +/- 1.0 degrees? ❑ ❑ 0 ❑ Comment: On -site field analvses (DH and total residual chlorine) are Derformed under the facilitv's field laboratory certification #5060. The City's WWTP lab performs the total suspended solids (TSS) analyses, and Meritech, Inc. (metals, turbidity, hardness and toxicity) have also been contracted to provide analytical support. The laboratory instrumentation used for field analyses appeared to be properly calibrated/verified and documented Effluent Sampling Yes No NA NE Is composite sampling flow proportional? ❑ ❑ 0 ❑ Is sample collected below all treatment units? 0 ❑ ❑ ❑ Is proper volume collected? 0 ❑ ❑ ❑ Is the tubing clean? ❑ ❑ 0 ❑ # Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees ❑ ❑ 0 ❑ Celsius)? Is the facility sampling performed as required by the permit (frequency, sampling type 0 ❑ ❑ ❑ representative)? Comment: The subject permit requires effluent grab samples. Upstream / Downstream Sampling Yes No NA NE Is the facility sampling performed as required by the permit (frequency, sampling type, and 0 ❑ ❑ ❑ sampling location)? Comment: Operations & Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping? 0 ❑ ❑ ❑ Does the facility analyze process control parameters, for ex: MLSS, MCRT, Settleable ❑ ❑ ❑ Solids, pH, DO, Sludge Judge, and other that are applicable? Comment: The facility appeared to be properly operated and well maintained. Lagoons Yes No NA NE Type of lagoons? Page# 4 Permit: NC0085588 Owner - Facility: Lincolnton WTP Inspection Date: 02/27/2020 Inspection Type: Compliance Evaluation Lagoons Yes No NA NE # Number of lagoons in operation at time of visit? 1 Are lagoons operated in? # Is a re -circulation line present? ❑ ❑ ❑ Is lagoon free of excessive floating materials? 0 ❑ ❑ ❑ # Are baffles between ponds or effluent baffles adjustable? ❑ ❑ 0 ❑ Are dike slopes clear of woody vegetation? ❑ ❑ 0 ❑ Are weeds controlled around the edge of the lagoon? 0 ❑ ❑ ❑ Are dikes free of seepage? 0 ❑ ❑ ❑ Are dikes free of erosion? 0 ❑ ❑ ❑ Are dikes free of burrowing animals? 0 ❑ ❑ ❑ # Has the sludge blanket in the lagoon (s) been measured periodically in multiple ❑ ❑ 0 ❑ locations? # If excessive algae is present, has barley straw been used to help control the growth? ❑ ❑ 0 ❑ Is the lagoon surface free of weeds? 0 ❑ ❑ ❑ Is the lagoon free of short circuiting? 0 ❑ ❑ ❑ Comment: The facility is equipped with a concrete -lined sludge holding lagoon. The high water alarm system is connected to the on -site SCADA system De -chlorination Yes No NA NE Type of system ? Liquid Is the feed ratio proportional to chlorine amount (1 to 1)? ❑ ❑ 0 ❑ Is storage appropriate for cylinders? ❑ ❑ 0 ❑ # Is de -chlorination substance stored away from chlorine containers? 0 ❑ ❑ ❑ Comment: Are the tablets the proper size and type? ❑ ❑ 0 ❑ Are tablet de -chlorinators operational? ❑ ❑ 0 ❑ Number of tubes in use? Comment: Pump Station - Effluent Yes No NA NE Is the pump wet well free of bypass lines or structures? ❑ ❑ ❑ Are all pumps present? ❑ ❑ ❑ Are all pumps operable? ❑ ❑ ❑ Page# 5 Permit: NCO085588 Inspection Date: 02/27/2020 Owner - Facility: Lincolnton WTP Inspection Type: Compliance Evaluation Pump Station - Effluent Yes No NA NE Are float controls operable? ❑ ❑ ❑ Is SCADA telemetry available and operational? ❑ ❑ ❑ Is audible and visual alarm available and operational? ❑ ❑ ❑ Comment: Did not inspect. Effluent Pipe Yes No NA NE Is right of way to the outfall properly maintained? 0 ❑ ❑ ❑ Are the receiving water free of foam other than trace amounts and other debris? 0 ❑ ❑ ❑ If effluent (diffuser pipes are required) are they operating properly? ❑ ❑ ❑ Comment: The effluent appeared clear with no floatable solids or foam. Solids Handling Equipment Yes No NA NE Is the equipment operational? 0 ❑ ❑ ❑ Is the chemical feed equipment operational? 0 ❑ ❑ ❑ Is storage adequate? 0 ❑ ❑ ❑ Is the site free of high level of solids in filtrate from filter presses or vacuum filters? ❑ ❑ 0 ❑ Is the site free of sludge buildup on belts and/or rollers of filter press? ❑ ❑ 0 ❑ Is the site free of excessive moisture in belt filter press sludge cake? 0 ❑ ❑ ❑ The facility has an approved sludge management plan? 0 ❑ ❑ ❑ Comment: Sludae is dewatered by a centrifuae. Dewatered sludae is transported (bv City Dersonnel) to the Lincoln County Landfill for final disposal. The centrate from the centrifuge is returned back to the sludge holding lagoon. The City is also permitted to land apply the facility's sludge under the authority of Permit WQ0002712. Synagro has been contracted to land apply the sludge. Page# 6