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Home My WebLink AboutNC0068888_Compliance Sampling Inspection_20161014Water Resources ENVIRONMENTAL OVALITY Mr. Bill Trudnak, Public Works Director Town of Dallas 210 North Holland Street Dallas, NC 28034 October 14, 2016 PAT MCCRORY t�ncc>>noi DONALD R. VAN DER VAART Secretary S. JAY ZIMMERMAN Din�dor Subject: Compliance Sampling Inspection OCT 17 2016 Dallas WWTP Water Quality NPDES Permit No. NCO068888 permitting Section Gaston County Dear Mr. Trudnak: Enclosed is a copy of the Compliance Sampling Inspection for the inspection conducted at the subject facility on October 11, 2016, by Ori Tuvia and Roberto Scheller. Brad Anthony'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. following, areas of concern were observed during the inspection: 1) Records must be better organized.. 2) The facility must designate an ORC.within 120 days of previous ORC Ieavi.ng,.September 3, 2016; (see. attached ORC designation Form). Split.samples were taken during the inspection. Results of the split sampling will be forwarded upon completion of analyses. 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@ncderingov. Sincerely, Ori Tuvia, Environmental Engineer Mooresville Regional Office Division of Water Resources, DEQ Cc: -NPDES Unit, MRO Files, Mooresville Regional Office i ,....,FL,... 94A r—f P.M., A— cat, vn4 KA—dil. Mrr, ').Q1 Ir United States Environmental, Protection Agency Form Approved. ,EPA Washington, D.C. 20460 OMB No. 2040-0057 I..Approval Water Compliance Inspection Report expires 8-31-98 - Section A: National Data System'Coding' (i.e., PCS)' Transaction bode NPDES yr/mo/day Inspection Type Inspector Fac Type 1 1 2 15 I 3 I NC6668eae 111 -12 16/10/11 J17 18 I S I 19 I c I 201 2111.1 1 1 1 1 1 1 1.1 1 1 1 1 1 1 1 1 1 1 1 1 I I 1 1 1 1 '1 I I I I I I I j I 1 1 �6 Inspection Work Days Facility Self-Monitoring Evaluation Rating B1 QA Reserved. 67 1.0 70 �, 'I 71 72 L_v 73I 74 751 I I I I I 80 LJ itJ„ Section B: Facility Data Name and Location of Facility Inspected (For Industrial Users discharging to POTW, also include Entry Time/Date Permit Effective Date PO.TW name and NPDES Dermit Numbed 09:55AM 16/10/11 15/02/01 Dallas WWrP . Exit Time/Date Permit Expiration Date 704,E Holly St l Dallas NC 28034 11:55AM 16/10/11 20/01/31 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Numbers) Other Facility Data /// Brad Anthony//704-922-1309 / Michael Wayne Hurt/ORC/704-922-1309/ Name, Address of Responsible Officialfritle/Phone and Fax Number Contacted James M Palenick,210 N Holland St Dallas NC 280342749/interim_ Town Manager/704-922-3176(/049224701 No Section Q Areas Evaluated During Inspection (Check only those areas evaluated) Permit �. Flow Measurement' , E' 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 Roberto Scheller MRO WQ//252-946-6481/ Ori A Tuvia MRO WQ//704-663-1699/ /, U 1 16 Signature' of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date W.. Corey Basinger MRO WQ//704-235-2194% EPA Form 356073 (Rev_ 9-94) Previous editions are obsolete. i`� `� Page# 1 NPDES yr/mo/day Inspection Type 1 31 NCO066e66 I11 12I 16/10/11 117 18101 Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) Permit: NCO068888 Owner -Facility: Dallas.WWrP Yes' -No ,NA NE Are records kept and maintained as required by the permit? A .❑ Inspection Date: 10/11/2016 Inspection Type: Compliance Sampling ❑ Is all.required information readily available,'complete and current? ❑_ .❑ .❑. Are all records maintained for 3 years�(lab. reg. required 5 years)? ❑ ❑ Permit Nes No NA. NE (if the present permit expires in 6 months or less). Has the permittee submitted a new 19 ❑ ❑ ❑ application? 0 ❑ ❑ ❑ Is the facility as„described in the permit? al ❑ ❑ ❑ . # 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 subject permit expired on 1/31/2015. The facility had applied for a new permit. Record Keeping Yes' -No ,NA NE Are records kept and maintained as required by the permit? A .❑ ❑ ❑ Is all.required information 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-ofcustody complete? 0 ❑ ❑ ❑ Dates; times and location of sampling al Name of individual performing the sampling Results'of analysis and calibration Dates of analysis Name of person performing analyses Transported CQCs •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? ❑ ❑ 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? ❑. `❑ . ❑ Is a copy of the current NPDES permit available on site?' ❑ ❑ ❑ Facility has copy of.previous,year's Anhual Report.on file for review? ❑ : ❑ . ❑ Comment: DMRs. COCs. ORC visitation logs and calibration lops :were (reviewed•for tfie period July 2015 through August 2016. Records were not Well organized but were avilable for review during the inspection. FacilitYstaff must ensure that files are better orgnaized. Laboratory Yes No NA NE Page# 3 Permit: NCODS8888 Owner -Facility: DallaswWrP Yes No NA NE # Is composite sampling flow proportional? 0, ❑ Inspection Date: .10/11/2016 Inspection Type: Compliance Sampling ❑ ` Is sample collected above side streams? :�, ❑ 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 ❑ ❑ 0 Celsius)? E ❑ .E ❑ Incubator (Fecal Coliform) set to 44.5 degrees Celsius+/- 0.2 degrees? ❑ ❑ ❑ Incubator (BOD) set to 20.0 degrees Celsius +/-1.0 degrees? ❑ ❑ M 0 Comment: Influent effluent (including field parameters), and upstream/downstream analyses are performed under the City of Gastonia Crowders. Creek Laboratory Certification #210. Influent Sampling Yes No NA NE # Is composite sampling flow proportional? 0, ❑ ❑ ❑ ` Is sample collected above side streams? :�, ❑ El ❑ Is proper volume collected? M El El ❑ Is the tubing dean?` 0 ❑ ❑ ❑ # 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? E ❑ .E ❑ Comment: Effluent Sampling Yes No NA NE Is composite sampling flow proportional? ' 0, ❑ ❑ ❑ Issample,collected below all treatment units? :�, 0 ❑ ❑ Is proper volume collected? ❑ ❑ Is the tubing clean? 0 ❑ ❑ ❑ # 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)? Comment: The facility staff must ensure that the aliquot verifications performed on both samplers -Onflt ent and effluent) are documented and maintained on -site -Split samples we"re taken by MRO inspector at the time of the inspection. Upstream / Downstream SamWinQ Yes No NA NE Is the facility sampling performed as required by the permit (frequency, sampling type, and ❑ 13 ❑ sampling location)? Page# 4 Permit: NCO068888 Owner -Facility: DallasWWTP Inspection Date: 1011112016 Inspection Type: Compliance Sampling Ulistream / Downstream Sampling Yes No NA`NE 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: 'The,facility must designate an ORC within in 120 days of previous ORC leaving. The - , previous ORC, Jon Page, stopped workinq on September 3, 2016. . 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 incompliance? Is the unit in good condition? Comment: Aeration Basins Mode of,operation Type of aeration system Is the basin free of dead spots? Are surface aerators and. mixers operational? Are the diffusers operational?_ Is the foam the proper color for the treatment process? Does the foam cover less than 250/6 of the basin's surface? Is the DO level acceptable? Is the DO level acceptable?(1.0,to 3.0 mg/1) Comment: Secondary Clarifier Is the clarifier free of black and odorous1wastewater?` Is the site free of excessive buildup of solids in center well of circular clarifier? R Yes No NA NE Yes No NA NE 0 ❑ ❑ ❑ 0 ❑ ❑ ❑ Page# El ❑ ❑ ❑ M _❑ ❑ ❑ ❑ ET ❑ ❑ ❑ ❑ Yes No NA NE 'Ext. Air Diffused .,M ❑ ❑.❑. W ❑ ❑ ❑ M ❑ ❑ .❑ M +❑ ❑ ❑ M 0.0 El Yes No NA NE 0 ❑ ❑ ❑ 0 ❑ ❑ ❑ Page# Permit: NCO068888 Owner- Facility: Dallas WWTP Yes No NA NE Are -cylinders secured adequately? Gas ❑ Inspection Date: 10/11/2016 Inspection Type: Compliance Sampling ❑ Are cylinders protected from direct sunlight? ❑ ❑ Secondary Clarifier -Yes No NA NE Are weirs level? �- ❑ ❑ ❑ Is the site free of weir blockage? M .. ❑ ❑ ❑ Is the site free of evidence of short-circuiting? 1:1 ❑ ❑ ❑ Is scum reinoval adequate? ❑ ❑ ❑ Is the site free of excessive floating sludge? ❑ ❑ ❑ ❑ Is the drive unit operational? ❑ ❑ ❑ ❑ Is the return rate acceptable (low turbulence)? M ❑ ❑ ❑ Is the overflow clear of excessive solids/pin floc? ❑ ❑ ❑ Is the sludge blanket level acceptable? (Approximately '/a of the sidewall depth) 0 ❑ ❑ ❑ Comment: Disinfection -Gas Yes No NA NE Are -cylinders secured adequately? Gas ❑ ❑ ❑ Are cylinders protected from direct sunlight? ❑ ❑ ❑ :❑ Is there adequate reserve supply of disinfectant? ❑ 0 ❑. Is the level of chlorine residual acceptable? M .. , ❑ ❑ 0 Is the contact chamber free of growth, or sludge buildup? 1:1 ❑ ❑ ❑ Is there chlorine residual prior to de -chlorination? ❑ ❑ ❑ Does ,the. Stationary Source have more than 2500 lbs of Chlorine (CAS No. 7782-50-5)? ❑ ❑. ❑ If yes, then is there a Risk Management Plan on site? ❑ . ❑ M ❑ If yes, then what is the EPA twelve digit ID Number? (1000- _) If yes, then when was the RMP last updated? Comment: The chlorination and dechlorination systems are serviced annually by a contracted company. De -chlorination Yes No NA NE Type of system ? ' Gas Is the feed ratio proportional to chlorine amount (1 to 1)? ❑ ❑ ❑ s Is storage appropriate for cylinders? 0 ❑ ❑ # Is de -chlorination substance stored away from chlorine containers? _ ❑ ❑ ❑ Are the tablets the proper size and type?. 1:1 ❑ ❑ Comment: The chlorination and dechlorination systems are stored and operated in the same building Are tablet de -chlorinators operational? ❑ ❑ M ❑ Page# 6 Permit: NCO068888 Owner -Facility: DaIIaSWWTP Inspection Date: 10/11/2016 Inspection Type: Compliance Sampling De -chlorination Yes No NA NE Number of tubes in use? Comment:. Flow Measurement - Effluent # Is flow meter used for reporting? Is flow meter calibrated annually? Is.the flow meter operational? (If units are separated) Does the chart recorder match the flow meter? Yes No NA NE M ❑ ❑ ❑ M ❑ ❑ ❑ M ❑ ❑ ❑ ❑ '❑ '■ ❑ Comment: The flow meters at each treatment train are connected to a totalizing system (with chart recording). Both flow meters and totalizing system are calibrated annually and were last calibrated on 7/28/2016 by Ken Nash Co. Effluent Pipe Yes No NA NE Is right of way to the`outfall properly maintained? ❑ ❑ ❑ Are the receiving water free of foam 'othe'r than trace amounts and other debris? E `❑ ❑ ❑ If effluent (diffuser pipes, are required) are they -operating properly? ❑ ❑ ❑ Comment: The effluent appeared clear with no floatable solids or foam. Aerobic Digester Yes No NA NE Is the capacity adequate? M ❑ ❑ ❑ Is the,mixing adequate? M ❑ ❑ ❑ Is the site free of excessive foaming in the tank? ❑ ❑ ❑ # Is the odor acceptable? ❑ ❑ ❑ # Is tankage available for properly waste sludge? 0 ❑ ❑ ❑ Comment: Each treatment train is. equipped with anaerobic digester. The bio -solids in the aerobic digesters are land applied by a contracted company. Drying Beds Is there adequate drying bed space? Is the sludge distribution on drying beds appropriate? Are the drying beds free of vegetation? # Is the site free of dry sludge remaining in beds? Is the site free of stockpiled sludge? Is the filtrate from sludge.drying beds returned to the front of the plant? # Is the sludge disposed of through county landfill? Yes No NA NE ■ ❑ ❑ ❑ ❑ ❑ ■ ❑ ❑ ❑ M ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑. E ❑ Page# 7 Permit: NC0068888 Owner - Facility: Dallas WWTP Inspection Date: 10/11/2016 Inspection Type: Compliance Sampling Drying Beds Yes No NA NE # Is the sludge land applied? ❑ ❑ M ❑ (Vacuum filters) Is polymer mixing adequate? ❑ ❑ M ❑ Comment: Drying beds are used only in emergencies and were not in operation at the time of the inspection. Standby Power" Yes No NA NE Is automatically activated standby power available? M . ❑ ❑ ❑ Is the generator tested by interrupting primary power source? .. , ❑ ❑ ❑ Is the generator tested under load? M ❑ ❑ ❑ Was generator tested &operational during the inspection? _; ❑ ❑ ❑ Do the generator(s) have, adequate capacity to operate the entire wastewater'site? M' ❑ ❑ ❑ Is there an emergency agreement with a fuel vendor for extended run on back-up power? ❑ . ❑ ❑ Is the generator fuel level monitored? 0 ❑ _0 ❑ Comment: . The generator is tested weekly and the Town also. participates in the peak shaving program. 0 Page# 8