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HomeMy WebLinkAboutNC0026271_Regional Office Historical File Pre 2018 (52)Michael F. Easlcv, vcrnor ,/ William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources Alan W. Klimek, P. E. Director Division of Water Quality September 28, 2005 Mr. David M. Robinette, Public Works Director Town of Taylorsville 67 Main Avenue Drive Taylorsvill'e, North Carolina 28681 Subject: Compliance -Evaluation Inspection Town of Taylorsville WWTP NPDES Permit No. NCO026271 Alexander County, NC Dear Mr. Robinette: Enclosed please find a copy of the Compliance Evaluation Inspection Report for the inspection. conducted at the subject facility on September 23, 2005, by Mr. Wes Bell of this Office. Please inform.the facility's -Operator -in -Responsible Charge of our findings by forwarding a.copy of the enclosed report. The report should be self-explanatory;'however, should you have any questions concerning the report, .please do not hesitate to contact Mr. Bell or me at (704) 663-1699. Sincerely, D. Rex Gleason, P.E. -Surface Water Protection Regional. Supervisor Enclosure cc: Alexander County Health Department Nonr hCauolina N. C. Division of Water Quality, Mooresville Regional Office, 610 E. Center Ave. Suite 301, Mooresville NC 28115 (704) 663-1699 Customer Service 1-877-623-6748 United States Environmental Protection Agency Form Approved. EPA Washington, D.C. 20460 OMB No. 2040.0057 Water Qmpliance Inspectoon Report Approval expires 6-31-98 Section A: National Data System Coding (i.e., PCS Transaction Code NPDES yr/mo/day Inspection Type Inspector Fac Type 1 INI 2 U 31 N00026271 111 121 05/09/23 117 18ICI 191gI 20 L rJ l�J u Remarks 211 I I I I I .I I I I I I "I .I I .1 l l l l l l l l l l l l l l l l l l l l I I I I I I I I 11166 Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA Reserved 67 I 1.5 169 70 U 71 U 72 U 73 W 74 751 I I I I I I 180 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 permit Number) 09:32 AM 05/09/23' 05/07/01 Taylorsville WWTP Exit Time/Date Permit Expiration Date Minnigan Ln Taylorsville NC 28681 12:26 PM 05/09/23 10/03/31 Name(s) of Onsite Representative(s)(rities(s)/Phone and Fax Number(s) Other Facility Data Steve Brian Eades/ORC/82B-632-5280/ Name, Address of Responsible Official/Title/Phone and Fax, Number Contacted David Matthew Robinette,67 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 N Flow Measurement N Operations & Maintenance _N Records/Reports Self -Monitoring Program Sludge Handling Disposal FacilitySite Review E.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 Signatu,iree(s) of Inspector(s) Agency/Office/Phone and Fax Numbers Date Wesley N Bell ��- (�� //� MRO WQ//704-663-1699 Ext.231/ Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers. Date Richard M Bridgeman 704-663-1699 Ext.264/ EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. SUMMARY RECORD KEEPING cont'd: DNIRs were reviewed from August 04 through July 05.. No .limit violations were reported. No ORC.and/or Backup ORC visitation was documented on the DMR for 11/29/04. The inspection verified that the above -noted discrepancy was .a transcription error. The facility's removal efficiencies (BOD.and TSR) should be incorporated onto future DNIRs. In :addition, the ORC -and .staff must ensure that _all "'less -than" values .are appropriately calculated =.(arithmetic :and/or geometric mean) when determining the monthly.. average values. Thereview•of the self -monitoring -data for the,on-site field analyses=(June;05 -and.July 05) sevel iscrepies. The.-ORC nd.staapetoberoperlycalbratingtherevealed an laboratory:field.equipment,;-Iiowever, they must ensure all calibrations :and -sample .collection/analysis.times:are appropriately:documented. -Overall; the�ORC:and.staffincorporate.a commendable record keeping system. EFFLUENT-SAMPIING cont'd: -Only-two -effluent conductivity values'were reported for the week of 11/29/04 - 12/3/04. In -addition, no flow was reported on 7/30/05 and 7/3.1/05. The inspection verified that all of the above-noted=discrepancies-were transcription errors. AmendedDMRs-should.be resubmitted. The :10-dayintervalbetween the collection of the.2/m (effluent) -chloride, .cyanide,..copper, .and.zinc values was not. adhered toxin February 05. SEE :ATTACHED CHECKLIST Permit: NC0026271 Owner- Facliity: Taylorsville WWTP :Inspection Date: 09/23/2005 Inspection -Type: Compliance Evaluation Permit (If the present permit expires in 6 months or less). Has the permittee submitted a new application? Yes No ❑ ❑ NA ■ NF ❑ Is the facility as described in the permit? 0 ❑ ❑ ❑ Are there any special conditions for the permit? ❑ ❑ N ❑ Is access to the plant site restricted to the general public? 0 ❑ ❑ ❑ Is the inspector granted access to all areas for inspection? a ❑ ❑ ❑ Comment: Yes 'No NA N operations R 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? Comment: The ORC and staff were current y upgrading the diffusers in both aeration basins. The facility appeared to be adequately treating the wastewater at the time of the inspection. Screens Yes No NA M Type of bar screen a.Manual ❑ b.Mechanical Are the bars adequately screening debris? ■ ❑ ❑ ❑ Is the screen free of excessive debris? E 13,13 ❑ Is disposal of screening in compliance? M ❑ 1313 Is the unit in good condition? E ❑ ❑ ❑ Comment: - _ .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? M ❑ ❑ ❑ Comment: Yes 'No 'NA N Seconda[y Clarifier Is the clarifier free of black and odorous wastewater? A ❑ ❑ ❑ Is the site free of excessive buildup of solids in center well of circular clarifier? E ❑ 'O ❑ -Are weirs level? E ❑ ❑ ❑ Is the site free of weir blockage? ❑ ❑ ❑ Is the site free of evidence of short-circuiting? E ❑ .❑ ❑ Is scum removal adequate? N ❑ ❑ ❑ Is the site free of excessive floating sludge? N '❑ ❑ ❑ Is the drive unit operational? E ❑ ❑ ❑ Is the return rate acceptable (low turbulence)? ■ ❑ ❑ ❑ Is the overflow clear of excessive solids/pin floc? N ❑ ❑ ❑ Is the sludge blanket level acceptable? (Approximately''/ of the sidewall depth) ■ ❑ ❑ ❑ Comment: The facility utilizes two clarifiers. One of the clarifiers was down due to routine maintenance. Aeration Basins Y No NA N Mode of operation .c Ext. Air Type of aeration system Diffused Permit: NCO026271 Owner -Facility: TaylorsvilleWWTP Inspection Date: 09/23/2005 Inspection Type: Compliance Evaluation ation Basins Is the basin free of dead spots? Yes No NA 0 ❑ ❑ NI . ❑ Are surface aerators and mixers operational? ❑ ❑ M ❑ Are the diffusers operational? M ❑ ❑ ❑ Is the foam the proper color for the treatment process? N ❑ ❑ ❑ Does the foam cover less than 25% of the basin's surface? ❑ ❑ ❑ Is the DO level acceptable? ❑ ❑ ❑ Is the DO level acceptable?(1.0 to 3.0 mg/1) ❑ ❑ .❑ Comment: The facility • utilizes two aeration basins (circular). One of the aeration basins was off-line due to the replacement of the diffusers. The diffusers in the on-line aeration'basin have been previously replaced. Yes 'No °NA NI nfection-Gas' Are cylinders secured adequately? N ❑ ,❑ '0 Are cylinders,protected from direct sunlight? M _❑ _0 :❑ Is there adequate reserve supply of disinfectant? M❑ .❑ ,❑ Is the level of chlorine residual acceptable? ❑ ❑ ❑ Is the contact chamber free of growth, or sludge buildup? n ❑ ❑ _❑ Is there chlorine residual prior to de -chlorination? .❑ ❑ ❑ Comment: Type of system ? Gas Is the feed:ratio proportional to chlorine amount (1 to 1)? ❑ ❑ ❑ Is storage appropriate for cylinders? 1M ❑ ❑ ❑ Is de -chlorination substance stored away from chlorine containers? 'M ❑ ❑ ❑ Comment: Are the tablets. the proper size and type? ❑ .❑ M ❑ Are tablet de -chlorinators operational? ❑ ❑ M ❑ Number of tubes in use? Is the feed ratio proportionai.to chlorine appropriate? (Approximately ratio 1:1) 0 ❑ ❑ ❑ Comment: Yes No NA NE Standby Power Is automatically activated standby power available? :M ❑ ❑ ❑ Is the generator tested by interrupting primary powersource? M ❑ -❑ .❑ Is the generator tested under load? A ❑ ❑ ❑ Was generator tested & operational during the inspection? ❑ ❑ ❑ :M 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? ❑ ❑ ❑ Comment: Yes No NA NE Laboratory Are field parameters performed by certfed personnel or laboratory? MO ❑ ❑ Are all other parameters(excluding field parameters) performed by a certified lab? M ❑ ❑ ❑ Is the facility using a contract lab? M ❑ ❑ ❑ Is proper temperature set for sample storage (kept at 1.0 to 4.4 degrees Celsius)? ❑ ❑ M ❑ Incubator (Fecal Coliform) set to 44.5 degrees Celsius+/- 0.2 degrees? ❑ ❑ M ❑ Incubator (BOD) set to 20.0 degrees Celsius +1- 1.0 degrees? 13,13 ❑ Comment: On -site field analyses are performed under laboratory certification #5062. inn Permit: NC0026271 Owner -Facility: Taylorsville WWTP 'Inspection Date: 09/23/2005 Inspection Type: Compliance Evaluation Flow Measurement - Effluent Is flow meter used for reporting? Yes_ No 0 •❑ NA ❑ NF ❑ Is flow meter calibrated annually? ❑ ❑ ❑ Is the flow meter operational? -❑ ❑ ❑ (if units are separated) Does the chart recorder match the flow meter? ❑ ❑ "❑ -Comment: The flow meter was last calibrated by Johnston, Inc. on 7/25/05. The flow meter is calibrated on an annual .basis. Y No NA N ,Record Keeping Are records kept and maintained as required by the permit? -s 0 •❑ ❑ ❑ Is all required informatiori.readily available, complete:and current? ❑ ❑ "❑ Are all records maintained for 3.years'(lab. reg. required"5 years)? ❑ .❑ -0 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 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? M ❑ ❑ ❑ ' (If the facility. is = or>. 5 MGD permitted flow) Do they operate.24/7 with a certified operator on each shift? ❑ ❑ A ❑ 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? A ❑ =❑ ❑ Facility has copy of previous year's Annual Report on file for review? .■ ❑ ❑ ❑ Comment: "See "Summary" Section for additional comments. Influent Sampling. ina Yes No NA NF Is composite sampling flow proportional? A ❑ ❑ ❑ Is sample collected above side streams?" M ❑ ❑ ❑ Is -proper volume collected? ❑ ❑ Is the.tubing clean? ❑ :❑ ❑ Is proper temperature set for sample storage (kept at 1.0 to 4.4 degrees Celsius)? ❑ ❑ ❑ Is sampling performed according to the permit? ❑ ❑ ❑ Comment: Yes No NA NF Effluent Sampling ina Is composite sampling flow proportional? N ❑ -❑ ❑ Is sample collected below all treatment units? M ❑ ❑ ❑ Is proper volume collected? ❑ ❑ ❑ Is the tubing clean? ❑ ❑ ❑ Is proper temperature set for sample storage (kept at 1.0 to 4.4. degrees Celsius)? M ❑ ❑ ❑ Is the facility sampling performed as required by the permit (frequency, sampling type representative)? ■ ❑ ❑ ❑ Comment: See "Summary" Section for additional comments. Is the capacity adequate? 0 13 0 M Permit: `NC0026271 Inspection -Date: 09/23/2005 Owner- Facility: Taylorsville WWTP Inspection Type: Compliance Evaluation Aerobic Din .ester 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: ffl u .nt Pines, 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? Comment: The effluent:appeared slightly turbid.with.trace suspended solids and foam. Yes No NA NE O O U .■ :0 ' O -O ❑ ❑ M ❑