The URL can be used to link to this page

Home My WebLink AboutNC0069841_Compliance Evaluation Inspection_20180508N -Z Water Resources Eh ViAQNMEHTAL QVALiTV May 8, 2018 Mr. Edward Goscicki, PE Union County Department of Public Works 500 North Main Street, Suite 400 Monroe, NC 28112 SUBJECT: Compliance Evaluation Inspection Crooked Creek WWTP NPDES Permit #NC0069841 Union County, NC Dear Mr. Goscicki: ROY C OOPE1R Gayff var A ICHALEL S_ REGAN Secrelan. LLVDA CLTLPEPPER MRF1M D&gCADr On April 4, 2018, Roberto Scheller of this Office conducted an inspection at the subject facility. This inspection was conducted as a Compliance Evaluation Inspection (CEI) to insure compliance with permit requirements and conditions. At the time of inspection subject facility appeared to be well maintained and operated. We wish to thank you and the operating staff for assistance regarding this inspection. The enclosed report should be self-explanatory; however, should you have any questions, please do not hesitate to contact Roberto Scheller, of the Mooresville Regional Office, at 704-663-1699 or roberto.scheller@ncdenr.gov. Enclosure: Inspection Report cc: ORC - dannysmith@unionconc.gov Sincerely, DocuSigned by: A14'gW. Coreyasinger, Regional Supervisor Water Quality Regional Operations Section Mooresville Regional Office State of North Carolina I Environmental Quality I Water Resources 610 East Center Avenue, Suite 301, Mooresville, NC 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 I 2 15 I 3 I NCO069841 111 12 I 18/04/04 I17 18 I S i 19 LG] i 201 I 211111 1 1 1 1 1 111 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 111 1 1 1 1 1 166 Inspection Work Days Facility Self -Monitoring Evaluation Rating 131 QA ----------------------Reserved------------------- 67 70I�_71 I 72 Lr] 73I i74 751 1 1 1 1 80 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) 09:40AM 18/04/04 09/10/01 Crooked Creek WWTP #2 4015 Sardis Church Rd Exit Time/Date Permit Expiration Date Monroe NC 28110 12:12PM 18/04/04 14/01/31 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data Danny L Smith/ORC// Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Edward Goscicki,500 N Main St -Ste 500 Monroe NC 281124730/Public Works Director/704-296-4212/7042964232 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: Roberto Scheller C� MRO WQ//252-946-6481/ 5/8/2018 E91C2A007838943E.- Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date W. Corey Basinger MRO WQ//704-235-2194/ EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. DocuSigned by: 5/9/2018 Page# EA14CC681AF27425... / NPDES yr/mo/day Inspection Type NCO069841 111 121 18/04/04 1 17 18 JCJ Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) Page# Permit: NCO069841 Owner - Facility: Crooked Creek WWTP #2 Inspection Date: 04/04/2018 Inspection Type: Compliance Evaluation Yes No NA NE Are records kept and maintained as required by the permit? 0 ❑ Permit Yes No NA NE (If the present permit expires in 6 months or less). Has the permittee submitted a new 0 ❑ ❑ ❑ application? 0 ❑ ❑ ❑ 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: Permit is under renewal. Facilitv has chanced with construction of EQ basin and influent pumps. 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: 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? ❑ ❑ ❑ Has the facility submitted its annual compliance report to users and DWQ? ❑ ❑ ❑ (If the facility is = or > 5 MGD permitted flow) Do they operate 24/7 with a certified operator ❑ ❑ ❑ on each shift? Is the ORC visitation log available and current? ❑ ❑ ❑ Is the ORC certified at grade equal to or higher than the facility classification? ❑ ❑ ❑ 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? ❑ ❑ ❑ Page# 3 Permit: NCO069841 Inspection Date: 04/04/2018 Record Keeping Facility has copy of previous year's Annual Report on file for review? Comment: Records are well maintained and in good order. Owner - Facility: Crooked Creek WWTP #2 Inspection Type: Compliance Evaluation 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 ■ ❑ ❑ ❑ Yes No NA NE ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ Comment: Field analyses is performed under field certification #5658. Laboratory analyses are performed by Charlotte Water Laboratory Services (Certification # 192). Toxicity is performed by ETT Laboratory in Greer, South Carolina. Pump Station - Influent Is the pump wet well free of bypass lines or structures? Is the wet well free of excessive grease? Are all pumps present? Are all pumps operable? Are float controls operable? Is SCADA telemetry available and operational? Is audible and visual alarm available and operational? Comment: New influent pump station newly constructed and not in use at time of inspection Eaualization Basins Is the basin aerated? Is the basin free of bypass lines or structures to the natural environment? Is the basin free of excessive grease? Are all pumps present? Are all pumps operable? Are float controls operable? Are audible and visual alarms operable? # Is basin size/volume adequate? 1[TM►rem ►/_M►1=M ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ■ ❑ ❑ ❑ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ Yes No NA NE ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ❑ ❑ ■ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ ❑ ❑ ■ ■ ❑ ❑ ❑ Page# 4 Permit: NCO069841 Owner - Facility: Crooked Creek WWTP #2 Inspection Date: 04/04/2018 Inspection Type: Compliance Evaluation Equalization Basins Yes No NA NE Comment: At time of inspection EQ basin was being tested and was full of water. Bar Screens Yes No NA NE Type of bar screen 0 ❑ ❑ ❑ a.Manual ❑ ❑ ❑ ❑ b.Mechanical 0 ❑ ❑ ❑ Are the bars adequately screening debris? 0 ❑ ❑ ❑ Is the screen free of excessive debris? 0 ❑ ❑ ❑ Is disposal of screening in compliance? 0 ❑ ❑ ❑ Is the unit in good condition? 0 ❑ ❑ ❑ Comment: Debris from barscreen is placed in dumpster and disposed of at county landfill. Chemical Feed Yes No NA NE Is containment adequate? 0 ❑ ❑ ❑ Is storage adequate? 0 ❑ ❑ ❑ Are backup pumps available? 0 ❑ ❑ ❑ Is the site free of excessive leaking? 0 ❑ ❑ ❑ Comment: Liquid lime is being feed for suppplemental alkalinity. Oxidation Ditches Yes No NA NE Are the aerators operational? 0 ❑ ❑ ❑ Are the aerators free of excessive solids build up? 0 ❑ ❑ ❑ # Is the foam the proper color for the treatment process? 0 ❑ ❑ ❑ Does the foam cover less than 25% of the basin's surface? 0 ❑ ❑ ❑ Is the DO level acceptable? ❑ ❑ ❑ 0 Are settleometer results acceptable (> 30 minutes)? ❑ ❑ ❑ 0 Is the DO level acceptable?(1.0 to 3.0 mg/1) ❑ ❑ ❑ 0 Are settelometer results acceptable?(400 to 800 ml/I in 30 minutes) ❑ ❑ ❑ 0 Comment: Pumps -RAS -WAS Yes No NA NE Are pumps in place? 0 ❑ ❑ ❑ Are pumps operational? 0 ❑ ❑ ❑ Page# 5 Permit: NC0069841 Inspection Date: 04/04/2018 Pumps -RAS -WAS Are there adequate spare parts and supplies on site? Comment: WAS is pumped to one of five aerobic digesters. 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? Owner - Facility: Crooked Creek WWTP #2 Inspection Type: Compliance Evaluation Yes No NA NE ❑ ❑ ❑ ■ Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ Comment: Facility has 5 aerobic sludge digesters. Facility also has drying beds that are not in use. 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'/ of the sidewall depth) Yes No NA NE ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ❑ ❑ ❑ ■ Comment: At time of inspection effluent from secondary clarifiers was clear with few suspended solids. Filtration (High Rate Tertiary) Type of operation: Is the filter media present? Is the filter surface free of clogging? Is the filter free of growth? Is the air scour operational? Is the scouring acceptable? Is the clear well free of excessive solids and filter media? Yes No NA NE Down flow ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ Page# 6 Permit: NCO069841 Owner - Facility: Crooked Creek WWTP #2 Inspection Date: 04/04/2018 Inspection Type: Compliance Evaluation Filtration (High Rate Tertiary) Yes No NA NE Comment: Sand filters are down for maintenance. Disinfection - UV Yes No NA NE Are extra UV bulbs available on site? 0 ❑ ❑ ❑ Are UV bulbs clean? 0 ❑ ❑ ❑ Is UV intensity adequate? ❑ ❑ ❑ 0 Is transmittance at or above designed level? ❑ ❑ ❑ 0 Is there a backup system on site? 0 ❑ ❑ ❑ Is effluent clear and free of solids? 0 ❑ ❑ ❑ Comment: 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)? ❑ ❑ ❑ 0 Is the facility sampling performed as required by the permit (frequency, sampling type 0 ❑ ❑ ❑ representative)? Comment: At time of inspection effluent sampler was recorded at <1 degrees Celsius. 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? 0 ❑ ❑ ❑ Are float controls operable? 0 ❑ ❑ ❑ Is SCADA telemetry available and operational? ❑ ❑ ❑ 0 Is audible and visual alarm available and operational? ❑ ❑ ❑ 0 Comment: One of three effluent pumps removed for maintenance. At the point of discharge into North Fork Crooked Creek effluent was clear with no visible susDended solids or foam. Page# 7