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Home My WebLink AboutNC0069841_Compliance Evaluation Inspection_20170313`J Water Resources Environmental Quality March 13, 2017 Mr. Edward Goscicki, PE Union County Department of Public Works 500 North Main Street, Suite 600 Monroe, NC 28112 SUBJECT: Compliance Evaluation Inspection Crooked Creek WWTP NPDES Permit NCO069841 Union County, NC Dear Mr. Goscicki: ROY COOPER Governor MICHAEL S. REGAN Secretary S. JAY ZIMMERMAN Director RECEiVEDINMENWR rvli R 21 2017 yValtet Quality Pefmi,do'igSection On March 8, 2017, Roberto Scheller of this Office conducted a compliance 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 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 myself or Roberto Scheller at (704) 235-2204 or roberto.scheller@ncdenr.gov. Sincerely, W. Corey Basinger, Regional Supervisor Water Quality Regional. Operations Section Division of Water Resources, NCDEQ Enclosed cc: , Danny L. Smith, ORC, Crooked Creek WWTP #2, 4015 Sardis Church Road, Monroe, NC 28110 Wastewater Branch File Compares'---- State ompares- -- State of North Carolina I Environmental Quality 1611 Mail Service Center I Raleigh, North Carolina 27699-1611 919-707-9000 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 NCO069841 I11 12 17/03/08 17 18 I S I 19 I G I 201 21111111 11111111111 111 1111 1 111111 1-111111 II I 1166 Inspection Work Days Facility Self -Monitoring Evaluation Rating 81 QA -----Reserved-- I I 72 � r, i 731 I 174 751 I I I I I I 180 671 70 71 J LJ L-1 I I Section B: FacilityData Name and Location of Facility Inspected (For Industrial Users discharging to POTW, also include Entry Time/Date Permit Effective Date POTW name and NPDES permit Number) 01:05PM 17/03/08 09/10/01 Crooked Creek WWTP #2 Exit Time/Date Permit Expiration Date 4015 Sardis Church Rd 03:32PM 17/03/08 14/01/31 Monroe NC 28110 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 No Director/704-296-4212/7042964232 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 Roberto Scheller MRO WQ//252-946-6481/ w�•-'✓_'. C` �.�' _ �i � �J cel>�� 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. Ie isili NL 0—Q Page# NPDES ' yr/mo/day Inspection Type 31 NCO069841 I11 12 17/03/08 17 18 ICI Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) Page# Permit: N00069841 Owner -Facility: Crooked Creek WWrP #2 Inspection Date: 03/08/2017 Inspection Type: Compliance Evaluation Yes No NA NE -Kee Are records kept and maintained as required by the permit? M ❑ Permit Yes No NA NE (If the present permit expires in 6 months or less). Has the permittee submitted a new M ❑ ❑ ❑ application? M ❑ ❑ ❑ Is the facility as described in the permit? M ❑ E-10 ❑ # Are there any special conditions for the permit? 0 ❑ ❑ ❑ Is access to the plant site restricted to the general public? M ❑ ❑ ❑ Is the inspector granted access to all areas for inspection? 0 ❑ ❑ ❑ Comment: Facility operating under conditions of expired permit. Record pinq Yes No NA NE -Kee Are records kept and maintained as required by the permit? M ❑ ❑ ❑ Is all required information readily available, complete and current? M ❑ ❑ ❑ Are all records maintained for 3 years (lab. reg. required 5 years)? M ❑ ❑ ❑ Are analytical results consistent with data reported on DMRs? 0 ❑ ❑ ❑ Is the chain -of -custody complete? M ❑ ❑ ❑ 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 CDCs Are DMRs complete: do they include all permit parameters? 0 ❑ ❑ ❑ Has the facility submitted its annual compliance report to users and DWQ? M ❑ ❑ ❑ (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? M ❑ ❑ ❑ 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? M ❑ ❑ ❑ Is a copy of the current NPDES permit available on site? 0 ❑ ❑ ❑ Facility has copy of previous year's Annual Report on file for review? 0 ❑ ❑ ❑ Comment: Records are orderly and well maintained. Operations & Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping? M ❑ ❑ ❑ Page# 3 Permit: NCO069841 Inspection Date: 03/08/2017 Owner - Facility: Crooked Creek WWTP #2 Inspection Type: Compliance Evaluation Y Operations & Maintenance Yes No NA NE Does the facility analyze process control parameters, for ex: MLSS, MCRT, Settleable 0 ❑ ❑ ❑ Solids, pH, DO, Sludge Judge, and other that are applicable? Comment: 30 Settleable Solids test was conducted MLSS settled slowly with clear supernatant. Microscopic exam of MLSS indicates sludge in an older range. 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? - M ❑ ❑ ❑ # Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees 0 ❑ ❑ ❑ Celsius)? M ❑ ❑ ❑ Incubator (Fecal Coliform) set to 44.5 degrees Celsius+/- 0.2 degrees? ❑ ❑ 0 ❑ Incubator (BOD) set to 20.0 degrees Celsius +/-1.0 degrees? ❑ ❑ N ❑ Comment: Laboratory analyses are performed bV Charlotte Water's Laboratory Services Certification #192 Field analyses performed under field certification #5658. ETT Laboratory conducts toxicity. Influent Sampling Yes No NA NE # Is composite sampling flow proportional? N ❑ ❑ ❑ Is sample collected above side streams? 0 ❑ ❑ ❑ Is proper volume collected? M ❑ ❑ ❑ Is the tubing clean? N ❑ ❑ ❑ # Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees M ❑ ❑ ❑ Celsius)? M ❑ ❑ ❑ Is sampling performed according to the permit? N ❑ ❑ ❑ Comment: At time of inspection influent sampler was 0 degrees Celsius. Bar Screens Yes No NA NE Type of bar screen a.Manual ❑ b.Mechanical Are the bars adequately screening debris? N ❑ ❑ ❑ Is the screen free of excessive debris? M ❑ ❑ ❑ Is disposal of screening in compliance? M ❑ ❑ ❑ Is the unit in good condition? 0 ❑ ❑ ❑ Page# 4 J Permit: NCO069841 Owner -Facility: Crooked CreekWWrP #2 Inspection Date: 03/08/2017 Inspection Type: Compliance Evaluation Bar Screens Yes No NA NE Comment: Facility has manual bar screen to bypass mechanical bar screen. Oxidation Ditches Yes No NA NE Are the aerators operational? M ❑ ❑ ❑ Are the aerators free of excessive solids build up? M ❑ ❑ ❑ # Is the foam the proper color for the treatment process? M ❑ ❑ ❑ Does the foam cover less than 25% of the basin's surface? 0 ❑ ❑ ❑ J Is the DO level acceptable? ❑ ❑ M ❑ 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: Facilitv is holding sludge in aeration basin due to warm winter and high sludge production 30 minute settelometer settled out to about 900ml/I. ❑ ❑ ❑ ■ ❑ Pumps -RAS -WAS Yes No NA NE Are pumps in place? M ❑ ❑ ❑ Are pumps operational? ® ❑ ❑ ❑ Are there adequate spare parts and supplies on site? ❑ ❑ ❑ M 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 % of the sidewall depth) Yes No NA NE ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ❑ ■ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ■ ❑ ❑ ❑ M ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ Page# 5 Permit: NCO069841 Inspection Date: 03/08/2017 Owner -Facility; Crooked Creek WWTP #2 Inspection Type: Compliance Evaluation j r Secondary Clarifier Yes No NA NE Comment: Effluent from clarifiers was clear with few suspended solids. It was noted during inspection that weirs on secondary clarifiers did not appear level and shoud be adjusted next maintenance period. Filtration (High Rate Tertiary) Yes No NA NE Type of operation: Down flow ❑ ❑ Is the filter media present? M ❑ ❑ ❑ Is the filter surface free of clogging? M ❑ ❑ ❑ Is the filter free of growth? W ❑ ❑ ❑ Is the air scour operational? ❑ ❑ ❑ Is the scouring acceptable? ❑ ❑ ❑ M Is the clear well free of excessive solids and filter media? 0 ❑ ❑ ❑ Comment: At time of inspection filters appeared to be operating properly. Disinfection - UV Yes No NA NE Are extra UV bulbs available on site? ❑ ❑ ❑ N 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? M ❑ ❑ ❑ Is effluent clear and free of solids? 0 ❑ ❑ ❑ Comment: Effluent was clear with no visible suspended solids. Effluent Sampling Yes No NA NE Is composite sampling flow proportional? ❑ ❑ ❑ Is sample collected below all treatment units? N ❑ ❑ ❑ Is proper volume collected? M ❑ ❑ ❑ Is the tubing clean? 0 ❑ ❑ ❑ # 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 0 ❑ ❑ ❑ representative)? Comment: At time of inspection effluent sampler was noted at 2 degrees Celsius. Page# 6