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Home My WebLink AboutNC0082694_Compliance Evaluation Inspection_20171030Water iiesource6 ENVIRONMENT AL OUALI iY October 30, 2017 Mr. Bill Trudnak, Public Works Director Town of Dallas 210 North Holland Street Dallas, NC 28034 ROY COOPER Governor MICHAEL S. REGAN Secretary S. JAY ZIMMERMAN Director RECEIVEDINMEWWP NOV 07 2017 Water Quality Subject: Compliance Eva IuationTR9Wf?8n'ectlon Dallas WTP NPDES Permit No. NCO082694 Gaston County Dear Mr. Trudnak: Enclosed is a copy of the Compliance Evaluation Inspection for the inspection conducted at the subject facility on October 25, 2017, by Ori Tuvia and Maria Schutte. Zachary Foreman's cooperation during the site visit was much appreciated. Please advise the staff involved with this NPDES Permit by forwarding a copy cf 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, ri Tuvia, Environmental Engineer Mooresville Regional Office Division of Water Resources, DEQ Mooresville Regional Office I nraftnn Rin Feet C ontor Gua Qmtr+ Int Nfinmmamnlla W 9R11r 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 15 1 3 I NCo082694 111 12 17/0/25 J17 18 ICI 19 I c I 201 I 21111111 1111 II 1111111111111111111 11111111 111 166 I Inspection Work Days Facility Self-Monitonng Evaluation Rating B1 QA Reserved 67 10 7014 1 71 1ti 1 72 1 N 1 731 1 174 75 80 LJ 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 oermrt Number) 01 45PM 17/10/25 15/10/01 Dallas WTP 1342 Dallas -Stanley Hwy Exit Time/Date Permit Expiration Date Dallas NC 28034 02 45PM 17/10/25 20/07/31 Name(s) of Onsite Representative(s)/Tities(s)/Phone and Fax Number(s) Other Facility Data /// Michael Wayne HurUORC/704-922-1309/ Zachary Foreman//704-922-1309 / Name, Address of Responsible OfficiaUTitle/Phone and Fax Number Contacted James M Palenick,210 N Holland St Dallas NC 280342749/Intenm Town Manager/704-922-3176!7049224701 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 Mane Schutte Division of Water Quality//704-663-1699i On 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) Zrevious editions are obsolete V�'r Page# 1 NPDES yr/mo/day Inspection Type 31 N00082694 I11 12 17/10/25 j 17 18 ICI Section D Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) ^ •• N s j. � • r F . 1 Page# 2 M N Permit NCO082694 Owner -Facility Dallas WTP Inspection Date 10/25/2017 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 ❑ ❑ M ❑ application? 0 ❑ ❑ ❑ Is the facility as described in the permit? M ❑ ❑ ❑ # Are there any special conditions for the permit? ❑ M ❑ ❑ 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 subject permit expires on 7/31/2020 Record Keeping Yes No NA NE Are records kept and maintained as required by the permit? M ❑ ❑ ❑ 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? M ❑ ❑ ❑ 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? E ❑ ❑ ❑ 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? Is the ORC visitation log available and current? ❑ ❑ ❑ 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? ❑ ❑ ❑ 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 The records reviewed during the inspection were organized and well maintained Discharge Monitoring Reports (DMRs). Chain of Custodies (CDCs). ORC logs and Calibration logs, were reviewed for the period October 2016 through June 2017 Laboratory Yds No NA NE Page# 3 V Permit NCO082694 Owner - Facility Dallas WTP Inspection Date 10/25/2017 Inspection Type Compliance Evaluation Yes No NA NE Is composite sampling flow proportional? ❑ ❑ 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 ❑ 1111 ❑ # 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 ❑ ❑ ❑ ❑ Celsius)? 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 On-site field analyses (PH and total residual chlorine) are performed under field laboratory certification #5606, K&W Labs (total suspended solids, metals, turbidity, fluoride) and Meritech Labs (toxicity) have also been contracted to provide analytical support Effluent Samplina Yes No NA NE Is composite sampling flow proportional? ❑ ❑ M ❑ Is sample collected below all treatment units? 0 ❑ ❑ ❑ Is proper volume collected? M ❑ ❑ ❑ 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 the facility sampling performed as required by the permit (frequency, sampling type M ❑ ❑ ❑ representative)? Comment The subject permit requires effluent grab samples Operations & Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping? M ❑ ❑ ❑ Does the facility analyze process control parameters, for ex MLSS, MCRT, Settleable M ❑ ❑ ❑ Solids, pH, DO, Sludge Judge, and other that are applicable? Comment. The facility appeared to be properly operated and maintained. The process control measurements (pH and total residual chlorine levels prior to drying beds) were being Properly documented and maintained on-site Laaoons Yes No NA NE Type of lagoons? # Number of lagoons in operation at time of visit? 2 Are lagoons operated in? # Is a re -circulation line present? ❑ ❑ 0 ❑ Is lagoon free of excessive floating materials? M ❑ ❑ ❑ Page# 4 Permit NCO082694 Owner - Facility Dallas WTP Inspection Date 10/25/2017 Inspection Type Compliance Evaluation ❑ ❑ M ❑ Lagoons Yes No NA NE # Are baffles between ponds or effluent baffles adjustable? ❑ ❑ N ❑ Are dike slopes clear of woody vegetation? 0 ❑ ❑ ❑ Are weeds controlled around the edge of the lagoon? 0 ❑ ❑ ❑ Are dikes free of seepage? 0 ❑ ❑ ❑ Are dikes free of erosion? 0 ❑ ❑ ❑ Are dikes free of burrowing animals? 0 ❑ ❑ ❑ # Has the sludge blanket in the lagoon (s) been measured periodically in multiple ❑ ❑ 0 ❑ locations? ❑ ❑ M ❑ # If excessive algae is present, has barley straw been used to help control the growth? ❑ ❑ M ❑ Is the lagoon surface free of weeds? ❑ 0 ❑ ❑ Is the lagoon free of short circuiting? 0 ❑ ❑ ❑ Comment. The facilllty Is equipped with two settling ponds (1 -primary and 1 -overflow) Overflow pond ❑ # Is the site free of dry sludge remaining in beds? 0 was covered with weeds ❑ ❑ Is the site free of stockpiled sludge? M The facility is equipped with dual pumps at the primary pond to pump the wastewater onto ❑ Is the filtrate from sludge drying beds returned to the front of the plant? the drying beds ❑ M ❑ # Is the sludge disposed of through county landfill? Drying Beds Yes No NA NE Is there adequate drying bed space? M ❑ ❑ ❑ Is the sludge distribution on drying beds appropriate? ❑ ❑ M ❑ Are the drying beds free of vegetation? N ❑ ❑ ❑ # Is the site free of dry sludge remaining in beds? 0 ❑ ❑ ❑ Is the site free of stockpiled sludge? M ❑ ❑ ❑ Is the filtrate from sludge drying beds returned to the front of the plant? ❑ ❑ M ❑ # Is the sludge disposed of through county landfill? M ❑ ❑ ❑ # Is the sludge land applied? ❑ ❑ 0 ❑ (Vacuum filters) Is polymer mixing adequate? ❑ ❑ M ❑ Comment The facility is equipped with two drying beds (alternated) Flow Measurement - Effluent Yes No NA NE # Is flow meter used for reporting? ❑ ❑ M ❑ Is flow meter calibrated annually? ❑ ❑ 0 ❑ Is the flow meter operational? ❑ ❑ 0 ❑ (If units are separated) Does the chart recorder match the flow meter? ❑ ❑ M ❑ Comment Instantaneous flows are based on calculations that include number of pumps, flow rate, and pump run time Page# 5 Permit NC0082694 Owner -Facility Dallas WTP Inspection Date 10/25/2017 Inspection Type Compliance Evaluation Effluent Pipe Yes No NA NE Is right of way to the outfall properly maintained? ❑ ❑ ❑ M Are the receiving water free of foam other than trace amounts and other debris? ❑ ❑ ❑ 0 If effluent (diffuser pipes are required) are they operating properly? ❑ ❑ ❑ N Comment Page# 6