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Home My WebLink AboutNC0026271_Regional Office Historical File Pre 2018 (33)Watei'Resources. ENV1H6HMLP TA:L 6UAbTY August 10, 2016 Mr. David -Odom, Town Manager Town of Taylorsville 344 Minnigan Lane Taylorsville, NC 28681 PAT MCCRORY H , r Governor l;. DO_NAL' a I ER VAART __ Sevrrwr), S. JAY ZIMMERMAN Dirmor Subject: Compliance Evaluation Inspection Taylorsville WWTP NPDES Permit No. NCO026271 Alexander County Dear Mr. Odom: 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.tuvia@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 a 31-s6 .' Section A National Data,System Coding (Le., PCS) Transaction Code NPDES yr/mo/day Inspection Type Inspector Fac Type 1 [N 2 1__I 3 1 NC0026271 1.11 12 le/De/oa 117 18 ICI 19 j Gj 201 I - 21111111.1111111111.111111111111111111111111.11 j6 Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA Reserved 67 1.0 70 id i 71.1�l I 72 i N i 731 I 174 75 �1 L J 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) 09:15AM 16/08/04 15/07/01 Taylorsville WWTP Minnigan Lri Exit Time/Date Permit Expiration Date Taylorsville NC 28681 11:00AM 16/08/04 20/03/31 Name(s) of Onsite Representative(s)/rities(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 Director/828-632-2218/ 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 Or! 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 35jpie60-3 (Rev 9-94) Previous nations are obsolete.. `, �,�/� -�- A. Page# i Permit: NCO026271 Owner -Facility: TaylorsvilleWWTP Inspection Date: 08/04/2016 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. .11 application? Is the facility as described in the permit? M ❑ : ❑ ❑ # Are there any special conditions for the permit? ❑ 0 ❑ 11 Is access to the plant site restricted to the general public? N ❑ ❑ 11 Is the inspector granted access to all areas for inspection? , ❑ ❑ El Comment: The current permit expires on March 31, 2020. OpeiratiOns & Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping? ❑ ❑ ❑ 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 facility is equipped with a SCADA system and dissolved oxvgeri 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? ❑ ❑ ❑ Is'the wet well free of excessive grease?0 ❑ ❑ ❑ . Are all pumps present? ❑ ❑ ❑ Are -all pumps operable?. ~. ❑. s❑ ❑..M, Are float controls o' erabld? 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 aManual 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. 0 '❑ ❑ ❑ N: ,1. E . ❑ 0 ❑.❑ ❑ M El ❑ El Page# 3 Permit: NCO026271 Owner -Facility: Taylorsville WWTP Inspection Date: 08/04/2016 m Inspection Type: Compliance Evaluation Bar Screens Yes ' No NA NE Comment: Grit Removal Yes No NA NE Type of grit,removal a.Manual ❑ b;Mechanical Is the grit free of excessive organic matter? N ❑ 1111 . . Is the grit free of excessive odor? ❑ ❑ 0 # Is disposal of grit in compliance? ❑ ❑ ❑ Comment: Influent Sampling Yes No' NA NE # Is composite sampling flowproportional? :: ❑ ❑ ❑ " 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 0 ❑ ❑ ❑ Celsius)? Is sampling performed according to the permit? ❑ . ❑ ❑ 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 #esfed 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? ❑ ❑ ❑ Is flow meter calibrated annually? N ❑ ..❑ ❑ Is the flow meter operational? W ❑ . ❑ ..❑, (If units are separated) Does the chart recorder match the flow meter? ❑ ❑ ❑ 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 o N vi 0y D D p QO .+ .. (D 8 N M . 7 7 N N N (QD CD CD 0. rOi. 0... N S� .N (ND 7 S r CD :3' 6 ((D (D C (D 2. w 3• N v Cl)o CD (D v1D) 9 Cl N .. (D O C (D CL N . m N a .'� N N N n1 O 0 •p Q w CD (� (D < (o (D .d. O n n (D CDEl CL O .. CL3 (0CL c ((DD N to o o a g ( co C 7 N rz 0. •J�- n1 ((DD N. O J'Cr 3 M rL o o n • O S .I O 7 � (D L D Z O V V W IV C" O •J U ❑. W. ❑ El '❑' El El ❑ O N 0 El El El El El El El Z n w N. to to (n rn in to > N m 0 o N N ❑ to D D' N > O — — CD .. � rt . <R N .« .. N (D � N (D O _ . .-o O � lD (D N CD (D CDN (SD C : (D 0 (D. (D N (D = . (D N 3 N O - ..a CD N �'. m N �. m n 7 3 p (D Q',.. CD p N .O c <. N. N N N N N CL O �'. O N Q N N N N . (D Cr,ca * ID 3 CD <: (D (D (D M ((DD 3 . (D (� N � O O O� N O 'J Oy, �%.. o N ^' o N 7... CD n N X O. < ,0� X CD �_ CNi � cNi N -0 -a . N O m �.., c d v CD -o CD- vo, ZD* (u m c m m Nj o o o`� d 3 v�. m _ CD m .J. s 0 cc C. 0 CD O . N 7' (D •J O. CLO O N0N J :3 O O \ N(O .0 c 0 co mcn n� CL 0 7 ; 3 CL n1 '� O' 7 N ''a (O N .N•. N .� -J .. O X O •J - 7 N CO). . -0. - O •J ^ 0 Zp �. N N n7 rt N y ., .. �, O •J n N CL 0 ' CL=h .(D (D . ❑ El El ❑ ❑ ❑ ❑ ❑ ❑ ElZ / ❑ ❑ 0 0 El ❑ ❑ ❑ 0 ❑ ❑�. m .... ❑ ❑ ❑;❑ ❑ ❑ :❑ .O ❑ .❑ ❑ ❑ ❑. ❑' ❑ Z D Z m 0 N m 3 z 0 a o A CD rn CD N v a CD N .n. ID T i m � 0 13 .o c CDC, m ID c: Permit: NCO026271 Owner -Facility: TaylorsvilleWWTP Inspection Date: 08/04/2016 Inspection Type: Compliance Evaluation DISInfeCtlon-Gas Yes No. NA NE If yes, then when was the RMP last updated? Comment: ;The chlorination and dechlorination systems are serviced by PiedmontChlorinator Sales `. and Service: Inc De -chlorination Yes No NA NE Type of system, ? Gas Is the. feed ratio proportional to chlorine amount (1 to 1)? ❑ ❑ ❑ Is storage appropriate for cylinders? M ❑. ❑ ❑ # Is de -chlorination substance stored away from chlorine containers? ❑ ❑ ❑ Are the tablets the proper size and type? 0 ❑ Comment: : Sulfer dioxide is used for disinfection. Are tablet de -chlorinators operational? ❑ ❑ 0 Numberoftubes in use? Comment: Aerobic Digester Yes No NA NE. Is the capacity adequate? �. ❑ -❑ . Is the mixing adequate? ❑ :.❑ Is the site free of excessive foaming in the tank? . ❑ ❑ ❑ ; . # Is the odor acceptable? ❑ . ❑ Q, .. # Is tankage available for properly waste sludge? ;❑ ❑ ❑ Comment: Residuals are land applied by Southern Soil under permit WQ0006906. Chemical Feed Yes ,No NA NE Is containment adequate? ❑ 0 . ❑ is storage adequate? ,❑ ❑ IT. Are backup pumps available? ❑ ❑ ❑ Is the site free of excessive leaking? ❑ ❑ ❑ Comment: Standby Power Yes No NA NE Is automatically activated standby power available? M . ❑ ❑ ❑ Is the generator tested by interruptingprimary power source? N ❑ ❑ ❑ Page# 6 Permit: NCO026271 Owner - Facility: Taylorsvi Ile WWTP Inspection Date: 08/04/2016 Inspection Type: Compliance Evaluation Standby Power . Yes .No NA NE Is the generator tested under load? M ❑ ❑ ❑ - Was -generator tested& operational during the inspection? -❑ -❑ ❑ A.... Do the generator(s) have, adequate capacity to operate the entire wastewater site? ❑ ❑ ❑ Is there an emergency agreement with a fuel vendor for extended run on back-up power? ._ ❑ , ❑ ❑ Is the,generator fuel level monitored? E ❑ ❑ ❑ Comment: The generator powers only the essentials unit for the operation of the WIMP should power be interrupted. The generator is auto cycled orice 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? V ❑ ❑ ❑ Is flow meter calibrated annually? �. ❑ ❑ ❑ Is the flow meter operational? ❑ ❑ ❑ (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 1/21MIS by Clearwater, Inc Effluent. Sampling Yes No NA NE Is composite sampling flow proportional? 0 ❑ ❑ ❑ Is sample collected below all treatment units? 10, ❑ ❑ ❑ . Is proper volume collected? E ❑ ❑ ❑ Is the tubing clean?M ❑ ❑ ❑ # Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees R ❑ ❑, 0 Celsius)? Is the facility sampling performed as required by the permit (frequency, sampling type .❑ ❑ ❑ representative)? Comment: The ORC and staff must ensure that they conduct and document aliauotverifications (100-mL per aliquot minimum) on the composite samplers (influent and effluent) on.a periodic basis. The efluent composite sampler was collecting 166 mL per aliquot when tested, the thermometer within the refrigerated sampler was below 6 degrees C. Effluent 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? ❑ ❑ ❑ If effluent (diffuser pipes are required) -are they operating properly? ❑ ❑ 0 ❑ Comment: Page# 7 Permit: NCO026271 Owner -Facility: TaylorsvilleWWTP .. Inspection Date: 08/04/2016 Inspection Type: Compliance Evaluation Laboratory Yes No NA NE Are field parameters performed by certified personnel or laboratory? ❑ ❑ ❑ Are all other parameters(excluding field parameters) performed by a certified lab? 0` ❑ ❑ .❑ # Is the facility Using a contract lab? ❑ ❑ ❑ # Is proper temperature set for sample storage °(kept at less than or equal to 6b'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?. ❑. ❑ ❑ Comment: On -site analyses (PH and TRC) are performed under field laboratory certification #5062 (Town of Taylorville). Water Tech Labs. Inc. (Certification #50) performs all remaining hermit -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 instrumentation was calibrated in January 2016. Record Keeping Are records kept and maintained as required by the permit? Is all required information readily available, complete and current? Are all records maintained for 3 years (lab. reg. required 6 years)? Are analytical results consistent with data. reported on DMRs? Is the chain -of -custody complete? Dates, times`and location of sampling Name of individual performing the sampling Results of analysis and calibration Dates of analysis Yes No NA NE '❑ ❑ ❑ 0-❑ ❑ ❑ o o ❑: ❑ ❑ ❑, . Name of person performing analyses Transported COCs, Are DMRs complete: do they include all permit parameters?. ❑ ❑ ❑ Has the facility submitted its` annualcompliance report to users and DWQ? ,❑ ❑ ❑ (If the facility is = or > 5'MGD permitted flow) Do they operate 2417.with a certified operator U ❑ ❑ 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? _ ❑ 11. ❑ Is a copy. of the current NPDES permit available on site? ❑ ., ❑ . ❑ Facility has copy of previous year's Annual Report on file for review? ❑ ❑ ❑ . Page# 8 Permit: N00026271 Owner - Facility: TaylorsvilleWWTP Inspection Date: 08104/2016 Inspection Type: Compliance Evaluation Record Keeping Yes No NA NE Comment: The permittee's records were organized and well maintained and records requested during_ -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.