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Home My WebLink AboutNC0006033_Compliance Evaluation Inspection_20171012Water Resources ENVIRONMENTAL QUALITY October 12, 2017 Ms. Stephanie Scheringer, Division Manager Two Rivers Utilities P.O. Box 1748 Gastonia, NC 28053 Dear Ms. Scheringer: rr� ROY COOPER � � c'ord»tnt ti----.—ICHAEL S REGAN "'o -telt) S. JAY ZIMMERMAN Al i for Subject: Compliance Evaluation Inspection Eagle Road WWTP NPDES Permit No. NC0006033 Gaston County Enclosed is a copy of the Compliance Evaluation Inspection for the inspection conducted at the subject facility on October 10, 2017, by Ori Tuvia. David Shellenbarger's, Hubert Harold's, Annette McMurray's, and,Charlie Graham's 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.tuvia@ncdenr.gov. Cc: NPDES Unit MRO Files Sincerely, f Ori Tuvia, Environmental Engineer Mooresville Regional Office Division of Water Resources, DEQ Mooresville Regional Office Location 610 East Center Ave, Suite 301 Mooresville, NC 28115 Phone. (704) 663-16991 Fax, (704) 663-60401 Customer Service 1-877.623-6748 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 IS I 3 I N00006033 I11 12 17/10/10 17 18 ICI 19 I G I 20I 2111 I I 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 11 1 I 1166 I Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA -----Reserved 671,10 70 71 LIrJ I 72 LN] 731 I 174 75 80 LJ I 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) 09 25AM 17/10/10 17/04/01 Eagle Road WWiP Exit Time/Date permit Expiration Date 659 Eagle Rd 11 45A 17/10/10 20/01/31 Cramerton NC 28032 Name(s) of Onsite Representabve(s)fritles(s)/Phone and Fax Number(s) Other Facility Data /// Hubert Harold Hampton/ORC/704-825-7499/ Name, Address of Responsible Official/Tifle/Phone and Fax Number Contacted Hubert Harold Hampton,2226 Old Hickory Grove Rd Mount Holly NC No 281209694//704-825-7499/ Section C Areas Evaluated During Inspection (Check only those areas evaluated) Permit 0 Flow Measurement Operations & Maintenance Records/Reports Self -Monitoring Program N 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 On A Tuvia MRO WQ/1704-663-1699/ 10112- d/lamSignature Signatureof 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 Page# 1 NPDES yr/mo/day 31 NC0006033 111 121 17/10/10 117 Inspection Type 18 ICI Section D Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) ti i °4 A 1 n � �)• v Page# 2 Permit NC0006033 Owner -Facility Eagle RoadWWTP Inspection Date 10/10/2017 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 ❑ ❑ M ❑ application? 0 ❑ ❑ ❑ Is the facility as described In the permit? M ❑ ❑ ❑ # 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 subiect permit expired on 1/31/2020 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 COCs. ORC visitations logs, bench sheets, and calibration logs were reviewed for the 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? ❑ ❑ ❑ 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 currents 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? 0 ❑ ❑ ❑ 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? ❑ ❑ ❑ M Comment The records reviewed during the inspection were organized and well maintained DMRs. COCs. ORC visitations logs, bench sheets, and calibration logs were reviewed for the period November 2016 through June 2017. Laboratory Yes No NA NE Page# 3 Permit NC0006033 Owner - Facility Eagle Road WWTP Yes No NA NE # Is composite sampling flow proportional? 0 ❑ Inspection Date 10/10/2017 Inspection Type Compliance Evaluation ❑ Is sample collected above side streams? M ❑ 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)? 0 ❑ ❑ ❑ Incubator (Fecal Coliform) set to 44 5 degrees Celsius+/- 0 2 degrees? ❑ ❑ M ❑ Incubator (BOD) set to 20 0 degrees Celsius +/-1 0 degrees? ❑ ❑ M ❑ Comment* Influent and effluent analvses lincludina field) are performed under the Citv's Crowders Creek Laboratory Certification #210 Shealy Environmental (Hardness and pollutant scan) and Mentech. Inc (toxicitx) have also been contracted to provide analytical support The laboratory instrumentation used for field analyses appeared to be properly calibrated/verified and documented Influent Sampling Yes No NA NE # Is composite sampling flow proportional? 0 ❑ ❑ ❑ Is sample collected above side streams? M ❑ ❑ ❑ Is proper volume collected? 0 ❑ ❑ ❑ Is the tubing clean? M ❑ ❑ ❑ # 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. The subiect permit requires composite influent BOD and TSS samples Aliquot taken during the inspection of the influent sampler was 145 ml Facility staff must ensure that the composite run time is 24 hours, no longer or shorter time Effluent Sampling 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 representative)? Yes No NA NE ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ M ❑ ❑ ❑ ■ ❑ ❑ ❑ M ❑ ❑ ❑ ■ ❑ ❑ ❑ Comment The subject permit requires both composite and grab effluent samples Aliquot taken during the inspection of the effluent sampler was 200 ml Facility staff must ensure that the composite run time is 24 hours, no longer or shorter time Page# 4 Permit NC0006033 Owner -Facility Eagle RoadWWTP Inspection Date 10/10/2017 Inspection Type Compliance Evaluation Upstream / Downstream Samplinq Yes No NA NE Is the facility sampling performed as required by the permit (frequency, sampling type, and E ❑ ❑ ❑ sampling location)? Comment, Operations & Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping? N ❑ ❑ ❑ Does the facility analyze process control parameters, for ex MLSS, MCRT, Settleable E ❑ ❑ ❑ Solids, pH, DO, Sludge Judge, and other that are applicable? Comment. At the time of the inspection the facility appeared to be properly operated and well maintained The operations staff incorporate a comprehensive process control program with all measurements being properly documented and maintained on-site The facility is equipped with a SCADA system to assist the staff with the operations of the treatment units/processes Bar Screens Yes No NA NE Type of bar screen ❑ N ❑ ❑ a Manual ❑ ❑ ❑ ❑ b Mechanical N ❑ ❑ ❑ Are the bars adequately screening debns? 0 ❑ ❑ ❑ Is the screen free of excessive debris? 0 ❑ ❑ ❑ Is disposal of screening in compliance? 0 ❑ ❑ ❑ Is the unit in good condition? 0 ❑ ❑ ❑ Comment Flow Measurement - Influent Yes No NA NE # Is flow meter used for reporting? ❑ N ❑ ❑ Is flow meter calibrated annually? 0 ❑ ❑ ❑ Is the flow meter operational? N ❑ ❑ ❑ (If units are separated) Does the chart recorder match the flow meter? ❑ ❑ 0 ❑ Comment The flow meter was last calibrated/verified by CHI Expert Services on 9/21/2017 Aeration Basins Yes No NA NE Mode of operation Ext. Air Type of aeration system Surface Is the basin free of dead spots? N ❑ ❑ ❑ Are surface aerators and mixers operational? 0 ❑ ❑ ❑ Page# 5 Permit NC0006033 Inspection Date 10/10/2017 Owner -Facility Eagle Road WWTP Inspection Type Compliance Evaluation # Is total nitrogen removal required? 0 ❑ Aeration Basins Yes No NA NE Are the diffusers operational? ❑ ❑ M ❑ Is the foam the proper color for the treatment process? 0 ❑ ❑ ❑ Does the foam cover less than 25% of the basin's surface? N ❑ ❑ ❑ Is the DO level acceptable? N ❑ ❑ ❑ Is the DO level acceptable?(1 0 to 3 0 mg/1) ❑ ❑ 0 ❑ Comment, The aeration basin is equipped with four floating aerators (all operational) and a curtain baffle Sodium hydroxide is added on an as -needed basis to maintain appropriate Secondary Clarifier Yes No NA NE Is the clarifier free of black and odorous wastewater? PH/alkalinity levels ❑ ❑ ❑ Is the site free of excessive buildup of solids in center well of circular clarifier? Nutrient Removal Yes No NA NE # Is total nitrogen removal required? 0 ❑ ❑ ❑ # Is total phosphorous removal required? N ❑ ❑ ❑ Type Chemical # Is chemical feed required to sustain process? M ❑ ❑ ❑ Is nutrient removal process operating properly? 0 ❑ ❑ ❑ Comment. The subject permit requires an annual total nitrogen effluent limit (103.282 lbs /year) and a total phosphorus monthly average effluent limit (1 0 mg/L) Aluminum chlorohydrate is used to chemically reduce total phosphorus levels Secondary Clarifier Yes No NA NE 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? M ❑ ❑ ❑ Is the site free of weir blockage? 0 ❑ ❑ ❑ Is the site free of evidence of short-circuiting? M ❑ ❑ ❑ Is scum removal adequate? 0 ❑ ❑ ❑ Is the site free of excessive floating sludge? 0 ❑ ❑ ❑ Is the drive unit operational? M ❑ ❑ ❑ Is the return rate acceptable (low turbulence)? N ❑ ❑ ❑ Is the overflow clear of excessive solids/pin floc? M ❑ ❑ ❑ Is the sludge blanket level acceptable? (Approximately % of the sidewall depth) M ❑ ❑ ❑ Comment Both secondary clarifiers are operational; however, only one was in operation due to low influent flows Pumps -RAS -WAS Yes No NA NE Page# 6 Permit NC0006033 Owner -Facility Eagle RoadWWTP Is containment adequate? 0 ❑ Inspection Date 10/10/2017 Inspection Type Compliance Evaluation Is storage adequate? 0 ❑ Pumps -RAS -WAS Yes No NA NE Are pumps In place? M ❑ ❑ ❑ Are pumps operational? 0 ❑ ❑ ❑ Are there adequate spare parts and supplies on site? ❑ ❑ ❑ 0 Comment Chemical Feed Yes No NA NE Is containment adequate? 0 ❑ ❑ ❑ Is storage adequate? 0 ❑ ❑ ❑ Are backup pumps available? M ❑ ❑ ❑ Is the site free of excessive leaking? 0 ❑ ❑ ❑ Comment* Disinfection -Liquid Yes No NA NE Is there adequate reserve supply of disinfectant? 0 ❑ ❑ ❑ (Sodium Hypochlorite) Is pump feed system operational? M ❑ ❑ ❑ Is bulk storage tank containment area adequate? (free of leaks/open drains) M ❑ ❑ ❑ Is the level of chlorine residual acceptable? M ❑ ❑ ❑ Is the contact chamber free of growth, or sludge buildup? M ❑ ❑ ❑ Is there chlorine residual prior to de -chlorination? M ❑ ❑ ❑ Comment 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? M ❑ ❑ ❑ # Is de-chlonnation substance stored away from chlorine containers? M ❑ ❑ ❑ Are the tablets the proper size and type? ❑ ❑ M ❑ Comment. Aqueous sodium bisulfite is used for dechlonnation Are tablet de -chlorinators operational? ❑ ❑ 0 ❑ Number of tubes in use? Comment Flow Measurement - Effluent Yes No NA NE Page# 7 Permit NC0006033 Inspection Date 10/10/2017 Owner -Facility Eagle Road WWrP Inspection Type Compliance Evaluation 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 The flow meter was last calibrated/verified by CHI Expert Services on 9/21/2017 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? N ❑ ❑ ❑ If effluent (diffuser pipes are required) are they operating properly? ❑ ❑ M ❑ Comment The effluent appeared clear with no floatable solids or foam Aerobic Digester Yes No NA NE Is the capacity adequate? 0 ❑ ❑ ❑ Is the mixing adequate? M ❑ ❑ ❑ Is the site free of excessive foaming in the tank? M ❑ ❑ ❑ # Is the odor acceptable? 0 ❑ ❑ ❑ # Is tankage available for properly waste sludge? 0 ❑ ❑ ❑ Comment Digested bio -solids are land applied under the authority of Permit No W00001793 ❑ ❑ ❑ Standby Power Yes No NA NE Is automatically activated standby power available? 0 ❑ ❑ ❑ Is the generator tested by Interrupting primary power source? M ❑ ❑ ❑ Is the generator tested under load? M ❑ ❑ ❑ Was generator tested & operational during the inspection? ❑ ❑ ❑ M Do the generator(s) have adequate capacity to operate the entire wastewater site? 0 ❑ ❑ ❑ Is there an emergency agreement with a fuel vendor for extended run on back-up power? M ❑ ❑ ❑ Is the generator fuel level monitored? N ❑ ❑ ❑ Comment The facility Is equipped with two standby generators that are automatically tested once per week Page# 8