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Home My WebLink AboutNC0069841_Compliance Evaluation Inspection_20190415Roy COOPER Governor MICHAEL S. REGAN Secretary LINDA CULPEPPER Director Mr. Andrew Neff, P.E. Water and Wastewater Division Director 4600 Gold Mine Road Monroe, NC 28110 Dear Mr. Neff: NORTH CAROLINA Environmental Quality April 15, 2019 SUBJECT: Compliance Sampling Inspection Crooked Creek WWTP NPDES Permit NC00069841 Union County, NC On April 3, 2019, 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. We wish to thank 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.schellerCcDncdenr.gov. Sincerely, EA DocuSigned by: #'.� f/ Nuft for F161 F969AMUAI.. W. Corey Basinger, Regional Supervisor Water Quality Regional Operations Section Division of Water Resources, NCDEQ Enclosure: CEI Report cc: Danny Smith, ORC, email: danny.smith@unioncountync.gov NORTH CAROHNA � D E Q North Carolina Department of Environmental Quality I Division of Water Resources Mooresville Regional Office 1 610 East Center Avenue, Suite 301 1 Mooresville, North Carolina 28115 o.namremor e,w.c�giuuei� /`� 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 IF I 3 I NCO069841 111 12 I 19/04/03 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 ------------------- 671 70II 71 I I 72 I r I 73I I 74 75I I I I I I I I80 I —I I� I I 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) 09:48AM 19/04/03 18/08/01 Crooked Creek WWTP #2 4015 Sardis Church Rd Exit Time/Date Permit Expiration Date Monroe NC 28110 11:30AM 19/04/03 22/10/31 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 Bart Farmer,4600 Goldmine Rd Monroe NC 2811 OH704-296-4227/7042897395 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 MRO WQ//252-946-6481/ 4/11/2019 91C2A007838943E... Signature of Management Q A Reviewer Agency/Office/Phone and F 6,00ned by: Date C4�n.cx, Ei P:uft for CB 4.15.19 W. Corey Basinger Division of Water Quality//704-2; 1`161 FB69AMUA3... EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. Page# NPDES yr/mo/day Inspection Type NCO069841 I11 121 19/04/03 117 18 ICI Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) At the time of this inspection the subject facility appeared to be well maintained and operated. Review of compliance history recorded 3 NOV's for the review period February 2018 through January 2019. NOV's issued on 6/2018 - NOV-2018-LV-0667, 10/2018 - NOV-2018-MV-0171, 01/2019 - NOV-2019-LV-0185. Flows for the review period were reviewed and found October 2018, November 2018, and January 2019 the high flow months. Page# Permit: NCO069841 Owner - Facility: Crooked Creek WWTP #2 Inspection Date: 04/03/2019 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 current permit was issued on August 1, 2018 and expires on October 31, 2022. It was noted that Summer/Winter NH3 as N Monthly Average Limits go from (Summer) 2.9 mg/I (Winter) 4.0 mg/I on current permit to NH3 as N Monthly Average Limit (Summer) 1.0 mg/I (Winter) 1.9 mg/I effective January 31, 2022. 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? ❑ ❑ ❑ Page# 3 Permit: NC0069841 Owner - Facility: Crooked Creek WWTP #2 Inspection Date: 04/03/2019 Inspection Type: Compliance Evaluation Record Keeping Yes No NA NE 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? 0 ❑ ❑ ❑ Facility has copy of previous year's Annual Report on file for review? 0 ❑ ❑ ❑ Comment: All records were available for review. Equalization Basins Yes No NA NE Is the basin aerated? 0 ❑ ❑ ❑ Is the basin free of bypass lines or structures to the natural environment? 0 ❑ ❑ ❑ Is the basin free of excessive grease? ❑ ❑ ❑ Are all pumps present? 0 ❑ ❑ ❑ Are all pumps operable? 0 ❑ ❑ ❑ Are float controls operable? 0 ❑ ❑ ❑ Are audible and visual alarms operable? 0 ❑ ❑ ❑ # Is basin size/volume adequate? ❑ ❑ ❑ Comment: 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 fed for supplemental alkalinity. Bar Screens Yes No NA NE Type of bar screen a.Manual ❑ b.Mechanical 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 bar screen is placed in dumpster and disposed of at county landfill. Mechanical bar screen is equiped with manual back-up. Page# 4 Permit: NCO069841 Inspection Date: 04/03/2019 Owner - Facility: Crooked Creek WWTP #2 Inspection Type: Compliance Evaluation Grit Removal Yes No NA NE Type of grit removal a.Manual ❑ b.Mechanical Is the grit free of excessive organic matter? ❑ ❑ ❑ Is the grit free of excessive odor? 0 ❑ ❑ ❑ # Is disposal of grit in compliance? 0 ❑ ❑ ❑ Comment: Debris from bar screen is placed in same dumpster as grit for disposal. Influent Sampling Yes No NA NE # Is composite sampling flow proportional? 0 ❑ ❑ ❑ Is sample collected above side streams? ❑ ❑ ❑ 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 sampling performed according to the permit? 0 ❑ ❑ ❑ Comment: 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? ❑ ❑ ❑ Are settleometer results acceptable (> 30 minutes)? ❑ ❑ ❑ 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) ❑ ❑ ❑ Comment: Pumps-RAS-WAS Yes No NA NE Are pumps in place? 0 ❑ ❑ ❑ Are pumps operational? 0 ❑ ❑ ❑ Are there adequate spare parts and supplies on site? 0 ❑ ❑ ❑ Page# 5 Permit: NC0069841 Owner - Facility: Crooked Creek WWTP #2 Inspection Date: 04/03/2019 Inspection Type: Compliance Evaluation Pumps-RAS-WAS Yes No NA NE Comment: Facility had violation due to stuck check valve on WAS pump. Secondary Clarifier Yes No NA NE Is the clarifier free of black and odorous wastewater? 0 ❑ ❑ ❑ Is the site free of excessive buildup of solids in center well of circular clarifier? 0 ❑ ❑ ❑ Are weirs level? 0 ❑ ❑ ❑ Is the site free of weir blockage? 0 ❑ ❑ ❑ Is the site free of evidence of short-circuiting? 0 ❑ ❑ ❑ Is scum removal adequate? ❑ ❑ ❑ Is the site free of excessive floating sludge? 0 ❑ ❑ ❑ Is the drive unit operational? 0 ❑ ❑ ❑ Is the return rate acceptable (low turbulence)? 0 ❑ ❑ ❑ Is the overflow clear of excessive solids/pin floc? 0 ❑ ❑ ❑ Is the sludge blanket level acceptable? (Approximately'/ of the sidewall depth) ❑ ❑ ❑ Comment: At time of inspection effluent from secondary clarifiers was clear with few visible suspended solids. Filtration (High Rate Tertiary) Yes No NA NE 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? ❑ ❑ ❑ Comment: Disinfection - UV Yes No NA NE Are extra UV bulbs available on site? 0 ❑ ❑ ❑ Are UV bulbs clean? ❑ ❑ ❑ Is UV intensity adequate? ❑ ❑ ❑ Is transmittance at or above designed level? ❑ ❑ ❑ Is there a backup system on site? 0 ❑ ❑ ❑ Is effluent clear and free of solids? 0 ❑ ❑ ❑ Page# 6 Permit: NCO069841 Owner - Facility: Crooked Creek WWTP #2 Inspection Date: 04/03/2019 Inspection Type: Compliance Evaluation Disinfection - UV Yes No NA NE Comment: Flow Measurement - Effluent Yes No NA NE # Is flow meter used for reporting? 0 ❑ ❑ ❑ Is flow meter calibrated annually? 0 ❑ ❑ ❑ Is the flow meter operational? 0 ❑ ❑ ❑ (If units are separated) Does the chart recorder match the flow meter? 0 ❑ ❑ ❑ Comment: Flow meter was last calibrated on 2/27/2019 by CITI, LLC. 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? ❑ ❑ ❑ # 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 temperature was recorded at 0 degrees Celsius. Pump Station - Effluent Is the pump wet well free of bypass lines or structures? 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: At time of inspection effluent was clear with no visible suspended solids. Yes No NA NE ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ■ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ Page# 7