Loading...
HomeMy WebLinkAboutNC0026271_Compliance Evaluation Inspection_20160810i Water Resources. ENVIRONMENTAL CAUALiTY Mr. David'Odom,'Town Manager Town of Taylorsville 344 Minnigan Lane Taylorsville, NC 28681 Dear Mr. Odom: PAT MCCRORY Gowrizo, DONALD, R. VAN DER VAART sccr.e&03' S. JAY ZIMMERMAN 7..Wrecrnr August 10, 2016 4V�®O�cQE0011 AUG 6 201 Water Q a""yn permittinq Subject: Compliance Evaluation Inspection Taylorsville WWTP NPDES Permit No. NCO026271 Alexander County Enclosed is a copy of the Compliance Evaluation Inspection for the inspection conducted at the subject facility on August 4, 2016, by Ori Tuvia. Brian Eades 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.t6via@ncdenr.gov. The'following areas of concern were observed during the inspection: 1) At the time of the inspection, the influent sampler pulled 40 ml sample, below the minimum required 100 ml aliquot sample. 2) At the time of the inspection, the high-level alarm installed in the influent pump station was not working Cc: NPDES Unit MRO Files Sincerely, 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 4 2 16 1 9 I NC0026271 111 12 16/08/04 17 18 I C I 19 [-!j 201 I 211 I I I I I I I I I 11 I 1 1 I I I I I I_ I I. I I I I I I I I I I I I 11 I I I 126 Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA Reserved 67 1.0 7014 I 71 1ti 1 72 1 ti 1 731 I 174 75 80 LJ I I I Section B: FacilityDataL� 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) 09:15AM 16/08/04 15/07/01 Taylorsville WWTP Exit Time/Date Permit Expiration Date Minnigan Ln Taylorsville NC 28681 11:00AM 16/08/04 20/03/31 Name(s) of Onsite Representative(s)lritles(s)/Phone and Fax Number(s) Other Facility Data Steve Brian Eades/ORC/828-632-5280/ Name, Address of Responsible OfficiaUTitle/Phone and Fax Number Contacted David Matthew Robinette,204 Main Ave Dr Taylorsville NC 28681/Public Works No Director/828-632-2218/ 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 Ori A Tuvia MRO WQ//704-663-1699! 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 erjtions are obsolete. --o-4 Page# 1. NPDES yr/mo/day InspecUon Type 31 NC002627 .111 121 16/08/04 117 181 Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) Page# 2 Permit: NCO026271 Inspection Date: 08/04/2016 Owner -Facility: TaylorsvilleWWTP Inspection Type: Compliance Evaluation Permit (If the present permit expires in 6 months or less). Has the permittee submitted a new application? Is the facility as described in the permit? # Are there any special conditions for the permit? Is access to the plant site restricted to the general public? Is the inspector granted access to all areas for inspection? Comment:. The current permit expires on 31. 2020. Operations & Maintenance Is the plant generally clean with acceptable housekeeping? Does the facility analyze process control parameters, for ex: MLSS, MCRT, Settleable Solids, pH, DO, Sludge Judge, and other that are applicable? Yes No NA NE ❑ ❑ ■ ❑ N ❑ ❑ ❑ ❑ N ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Yes 'No NA NE ■ ❑ ❑ ❑ M ❑ ❑ ❑.. Comment: At the time of the inspection the facility appeared to be properly operated and well maintained. The facility is equipped with a SCADA system and dissolved oxygen and PH PLC' controllers are installed in the aeration basins for process control. Pump Station - Influent Yes No NA NE Is the pump wet well free of bypass lines or structures? 0 ❑ ❑ ❑ Is the wet well free of excessive grease? 0 ❑ ❑ ❑ Are all pumps present? ❑ ❑ ❑ ' Are all pumps operable? i' ❑ ❑ . Are float controls operable? _ ❑ ❑ ❑ Is SCADA telemetry available and operational? ❑ ❑ ❑ Is audible and visual alarm available and operational? ❑ '� ❑ ❑ Comment:, The high-level alarm installed in the influent pump station was not working at the time of. the _inspection. . Bar Screens Type of bar screen a.Manual b.Mechanical Are the bars adequately screening debris? Is the screen free of excessive debris? Is disposal of screening in compliance? Is the unit in good condition? Yes No NA NE. ❑ .❑ ❑ E ❑ ❑ ❑ Page# 3 Permit: NCO026271 Owner -Facility: TaylorsvilleWWfP Inspection Date: 08/04/2016 Inspection Type: Compliance Evaluation Bar Screens Yes ' No NA NE Comment: Grit Removal Type of grit removal a.Manual b.Mechanical Is the grit free of excessive organic matter? Is the grit free of excessive odor? # Is disposal of grit in compliance? Comment: Influent Samplinq # Is composite sampling flow proportional? Is sample collected above side streams? 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 sampling performed according to the permit? Yes No NA NE El M M ❑ ❑ ❑ ■ ❑ 111:1 M ❑ ❑ ❑ Yes No NA NE ■❑❑❑� Yes No NA NE # Is flow meter used for reporting? ❑ M ❑ ❑ ❑ M ❑ ❑ ❑ Is the flow meter operational? 0 ❑ ❑ M ❑ ❑ ❑ ❑ ❑ ❑ ❑ Comment: The ORC and staff must ensure that they conduct and document aliquot verifications (100 -mL per aliquot minimum) on the composite samplers (influent and effluent) on a periodic basis. The influent composite sampler was collecting 40 mL- per aliquot when tested below the required minimum of 100 ml: the thermometer within the refrigerated sampler was below 6 degrees C. Flow Measurement - Influent Yes No NA NE # Is flow meter used for reporting? ❑ 0 ❑ ❑ Is flow meter calibrated annually? M ❑ ❑ ❑ Is the flow meter operational? 0 ❑ ❑ (If units are separated) Does the chart recorder match the flow meter? ❑ ❑ ❑ 0 Comment: The flow meter is calibrated/verified once per year and was last calibrated/verified on 1/21/16 by Clearwater, Inc Aeration Basins Yes No NA NE Mode of operation Ext. Air Type of aeration system Diffused Page# 4 .j ❑ M ❑,❑ ❑ ❑- M. ❑ ❑ ❑ ❑ E ❑ ❑- ❑ M ❑ ❑ ❑ M . ❑ ❑ ❑.E ❑ "It ❑ ❑ • ❑- ■ ❑ ❑ ❑ M 3N VN ON SPA ❑ •. ❑, ❑ M. ❑ ❑ ❑-., belge;deooe Ianel Oa au3 SI El- ❑•❑ ❑ 0 M.. ❑ ❑. ❑ E ❑ ❑ ❑, ■ ❑ ❑°❑.•0• ❑ "It Lleuol;eiado sjexlw pue sio;ejee eoe}jns eiV ❑ ❑ ❑ M ❑ ❑ ❑ ■ ❑ ❑-El. M-- ❑ ❑. ❑ - 0• El-, El ❑; 3N VN ON. SPA (1----:--0006) UagwnN al IIBIP anlann} Md3 ay} sl;eynn uay} 'say(;l 6911 uo usld Iu8w86euew �sla a aJay; sl Uay; 'saA;I 6(5-09-ULL 'ON SVO) aulio140;o sql 009Z uegj ajow aney eoinos tieuoge}S ay; Sao(] Luogeupolgo-ep o; joud lenplsaj ouljolgo ajay; sl &dnpllnq 96pnls jo 'Lpmoi6;o 994 jegweyo;oe}uoo ay4 sl Lalge;deooe lenplsej euliolgo jo leAel eqj sl i Zjue}oa}ulslp }o Alddns a/uasej elenbepe aj.ay; sl Z3y6lluns pejip woo pajoalad siepull4o eiV LAle;enbape painoes siepullAn ajy sed-uol�oa}ulsla :juawwo0 -(y}dap ilemepls ay; }o V, Alejewlxojddy) 691ge}daooe leAel }aNuelq 96pnls eqj sl 600g wd/sp!lds anlssaoxa;o leelo MOLUano 941 sl 6(eoueingjnl Wool) alge;deooe e;ej wnlei ay; Si 61euo.4eJado;iun anup eqj sl 696pnls 6ul}eog anlssaoxa;o eaj; ells eqj sl La;enbape lenowei wnos sl 66ul;lnojlo-}toys10 aouapina;o aay a;ls ay; sl 696eNoolq .Mann;o 994 a}ls eqj sl Llanal mann 91V uagpep jelnojlo;o Ilem jejueo ul spllos;o dnpllnq anlssaoxa;o aai; a;ls eql sl Ua}emelsenn snalopo pue )loelq;o 99.4 jagpelo eqj sl aelpielo jepuooas :;uewwoo ❑ ❑ ❑ 0 (I/6w o'g o} 0' 6)Lel4e;deme lanaI Oa e43 SI ❑ ❑ ❑ E belge;deooe Ianel Oa au3 SI ❑ ❑ ❑ 0 Zeoe}jns s,ulseq ay; ;o %qZ usgj ssal janoo weo; eLg Sao(] ❑ ❑ ❑ M Zssaoojd,;uaw}eaj; ay; jo; joloo jedoid ay; wso; ay; sl ❑ ❑ ❑ -M- Lleuollelado siesn.4lp eqj eiV ❑ ❑ ❑ "It Lleuol;eiado sjexlw pue sio;ejee eoe}jns eiV El El ElLslods peep jo aai; ulseq ay; sl 3N VN ON s9A SUISeB UOIjeJav uogenlen3 aoue!ldwoo :ads 1. uo!;oadsul 960Z/40/90 :a;ea uo!;oadsul d1MM 911!nsJo1Ael :6;!110ed - J8uM0 6LMZOOON :;!w -lad Permit: NCO026271 Owner -Facility: Taylorsville VVWrP Inspection Date:. 08/04/2016 Inspection Type: Compliance Evaluation Disinfection -Gas Yes No NA NE If yes, then when was the RMP last updated? Comment: The chlorination and dechlorination systems are serviced by Piedmont Chlorinator Sales and Service, Inc . De -chlorination* Type of system ? Is the. feed ratio proportional to chlorine amount (1 to 1)? Is storage appropriate for cylinders? # Is de -chlorination substance stored away from chlorine containers? Are the tablets the proper size and type? Comment: Sulfer dioxide is used for disinfection. Are tablet de -chlorinators operational? Number of tubes in use? Comment: Aerobic•DiQester 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? Comment: Residuals are land applied by Southern Soil under permit W00006906. Chemical Feed Is containment adequate? Is storage adequate? Are backup pumps available? Is the site free of excessive leaking? Comment: Standby Power Is automatically activated standby power available? Is the generator tested by interrupting primary power source? Yes No NA NE Gas ❑ ❑ ❑ ■ ❑ ❑ ■ ❑ Yes No NA NE ■ ❑ ❑. ❑ ❑ ■ 0 ❑ ❑ ❑, ❑ 110 •❑ ❑ ❑ ■ ❑ ❑ ;0 ❑ ❑ ❑ Yes, No NA NE ■ ❑ ❑ ❑ ■ 0 ❑ ❑ ❑, ❑ 110 M ❑ ❑ ❑ ,Yes No NA NE .■ ❑ ❑ ❑ Page# 6 I 1 Permit: NCO026271 Owner - Facility: Taylorsville VWVrP times per year. The generator is serviced annually and was last serviced by Carolina CAT. Inspection Date: 08/04/2016 Inspection Type: Compliance Evaluation Flow Measurement - Effluent-, Yes No NA NE Standby Power Yes No NA NE Is the generator tested under load? E ❑ ❑ ❑ Was generator tested & operational during the inspection? ❑ -❑ ❑ 0 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? Ell. ❑ ❑ ❑ Is the.generator fuel level monitored? 0 ❑ ❑ ❑ Comment: The generator powers only the essentials unit for the operation of the UWVfP should power be interrupted. The generator is auto cycled once per week and placed under load a few times per year. The generator is serviced annually and was last serviced by Carolina CAT. Flow Measurement - Effluent-, Yes No NA NE # Is flow meter used for reporting? - 0 ' ❑ ❑ ❑ Is flow meter calibrated annually? Is right of way to the outfall properly maintained? ❑ ❑ ❑ Is the flow meter operational? Are the receiving water free of foam other- than trace amounts and other debris? ❑ ❑ ❑ (If units are separated) Does the chart recorder match the flow meter? ❑ ❑ , Ell. M Comment: The flow meter is calibrated/verified once per year and was last'calibrated/verified on 1/21/16 by Clearwater. Inc - Effluent Sampling Yes No NA NE Is composite sampling flow proportional? ❑ ❑ ❑ Is sample collected below all treatment units? ❑ ❑ Is proper volume collected? N ❑ ❑ ❑ 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: The ORC and staff must ensure that they conduct -and document aliquot verifications' '(1 00 -mL per aliquot minimum) on the composite samplers (influent and effluent) on a periodic basis. The efluent composite sampler was collecting 160 mL per aliquot when tested: the thermometer within the refrigerated'sarripler'was below 6 degrees 'C. Effldent'Pipe '-Yes No NA NE Is right of way to the outfall properly maintained? ❑ ❑ ❑ Are the receiving water free of foam other- than trace amounts and other debris? ❑ ❑ ❑ E If effluent -(diffuser pipes are required) are they operating properly? ❑ ❑ M ❑ Comment: Page# 7 Permit: NCO026271 Owner -Facility: TaylorsvilleWWTP Inspection Date: 08/04/2016 Inspection Type: Compliance Evaluation J r 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? ❑ ❑ ❑ Incubator (BOD) set to 20.0 degrees Celsius +/-1.0 degrees? . ;❑. ❑ M ❑ Comment: On-site analyses (oH and TRC) are performed under field laboratory certification #5062 (Town of Tavlorsville). Water Tech Labs, Inc. (Certification #50) performs all remaining permit -required effluent analyses. The field instrumentation used on site appeared to be properly calibrated and documented-, daily calibration/verification data is entered in the ORC log book. The field instrumentation is calibrated annually by Water Tech labs, Inc. All instrumentation was calibrated in January 2016. 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? ❑ ❑ ❑ ❑ Are all records maintained for 3 years (lab. reg. required 5 years)? ❑ ❑ ❑ ❑ Are an results consistent with data -reported on DMRs? 0 ❑ '❑ ❑ Is the chain -of -custody complete? M ❑ ❑ ❑ Dates, times'and'location of sampling Nameof 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? ❑ ❑ 0 Is the ORC certified at grade equal to or higher than the facility classification? M ❑ ❑ ❑ 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? M ❑ ❑ ❑ Facility has copy of previous year's Annual Report on file for review? ❑ ❑ ❑ Page# 8 Permit: NCO026271 Inspection Date: 08/04/2016 Record Keeping Owner -Facility: Taylorsville WNlrP Inspection Type: Compliance Evaluation Yes No NA NE Comment: The permittee's records were organized and well maintained and records reauested dudna the inspection were readily available. DMRs. COCs, calibration logs. ORC visitation logs and process control data were reviewed for the period December 2015 through April 2016. Page#