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Home My WebLink AboutNC0020338_Compliance Evaluation Inspection_20150630 AVA NCDENR North Carolina Department of Environment and Natural Resources Pat McCrory Donald R. van der Vaart Governor Secretary June 30, 2015 Town of Yadkinville Attn: Perry L. Williams, Town Manager 213 Van Buren Street Yadkinville, NC 27055-0816 Subject: Compliance Evaluation Inspection NC0020338, Yadkinville Wastewater Treatment Plant RECEIVEDIDENRIDWR Town of Yadkinville Yadkin County JUL 0 6 ?_015 Water Quality Dear Mr. Williams: Permitting Section 1. Ron Boone of the Winston-Salem Regional Office of the NC Division of Water Resources (DWR or the Division) conducted a compliance evaluation inspection (CEI) at the subject facility on June 23, 2015. The assistance and cooperation of Grant Trivette, ORC, was greatly appreciated. An inspection report is attached for your records and the inspection findings are summarized below, General 2. The facility is located at 1620 Fred Hinshaw Road, in Yadkinville, Yadkin County, North Carolina. The facility is authorized to discharge treated wastewater from the treatment works through outfall 001 to North Deep Creek, which is currently classified as Class WS-IV waters and is located in the Yadkin Pee-Dee River basin. The wastewater treatment system consists of a mechanical bar screen, dual grit removal facilities, an influent pump station, an equalization basin, a flow splitter box, aeration basins, an oxidation ditch, secondary clarification, chlorine contact chamber utilizing gas chlorination, gas dechlorination, aerobic sludge digestion, sludge drying beds, and standby power. Documentation & Monitoring Review 3. All required records were readily available, complete, and current. DMRs for 2014 and 2015 were reviewed and no discrepancies were noted. Lab results, chains of custody, plant operation and maintenance logs, operator visitation logs, were also reviewed and no problems were noted. Site Review 4. The plant was very clean and well maintained, Mr Trivette and his operations staff appear to be doing an outstanding job of operating and maintaining the facility. 450 West Hanes Mill Road,Suite#300,Winston-Salem,North Carolina 27105 Phone:336-776-98001 Internet:www.ncdenr.gov An Equal Opportunity\Affirmative Action Employer—Made in part by recycled paper 5. Please encourage your operators to continue their efforts in complying with all permit conditions. Should you have any questions, please feel free to contact Mr. Boone or me at (336) 776-9800. Sincerely, 114/1-itinAge:d44/4-,er--, W. Corey Basinger Regional Supervisor Water Quality Regional Operations Division of Water Resources Attachments: 1. BIMS Inspection Reports cc: SWP —WSRO Central Files NPDES Unit Town of Yadkinville Attn: Grant Trivette 213 Van Buren Street Yadkinville, NC 27055-0816 r United States Environmental Protection Agency Fort 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 I 2 L 3 I NC0020338 111 12 1 15/06/23 117 18 l r.l 19 Li I 20I I 211111111111IIIIIIII [ II111111111111111111111 l66 Inspection Work Days Facility Self-Monitoring Evaluation Rating B1 QA Reserved-- 671 1 701 LJ I 71 I I 72 I N I 731 I 174 75J 1 1 1 1 1 1 180 Section B:Facility Data t_t 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) 10:00AM 15/06/23 14/08/01 Yadkinville WWTP Exit Time/Date Permit Expiration Date 1620 Fred Hinshaw Rd 11:30AM 15/06/23 18/11/30 Yadkinville NC 27055 Name(s)of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data /// Grant Franklin Trivette/ORC/336-679-2184/ Name,Address of Responsible Official/Title/Phone and Fax Number Contacted Grant F Trivette,1620 Fred Hinshaw Rd Yadkinville NC 27055/ORC/336-679-2184/ No Section C:Areas Evaluated During Inspection(Check only those areas evaluated) II Permit • Flow Measurement • Operations&Maintenance • Records/Reports • Self-Monitoring Program II Sludge Handling Disposal U Facility Site Review • Effluent/Receiving Waters a Laboratory Section D:Summary of Finding/Comments(Attach additional sheets of narrative and checklists as necessary) (See attachment summary) Name(s)and Signature(s • spector(s) Agency/Office/Phone and Fax Numbers Date Ron Boone• WSRO WQ//336-776-9690/ sSign4, f all IS- Signature ature of Management�r Agency/Office/Phone and Fax Numbers Date ',14^'x" f �,�,1'.A- ��'I 1'- �') 3tij 044 EPA Form 3560-3(Rev 9-94)Previous editions are obsolete. Page# 1 NPDES yr/mo/day Inspection Type 1 3I NC0020338 I11 121 15/08/23 117 18 Section D:Summary of Finding/Comments(Attach additional sheets of narrative and checklists as necessary) Please refer to the attached inspection summary letter. • • Page# 2 V Permit NC0020338 Owner-Facility: YadkinvilleWWTP Inspection Date: 08/23/2015 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 0 • 0 application? Is the facility as described in the permit? • 0 0 0 #Are there any special conditions for the permit? 0 • 0 0 Is access to the plant site restricted to the general public? • 0 0 0 Is the inspector granted access to all areas for inspection? • 0 0 0 Comment: None Record Keeping Yes No NA NE Are records kept and maintained as required by the permit? • 0 0 0 Is all required information readily available,complete and current? • 0 0 0 Are all records maintained for 3 years(lab. reg.required 5 years)? • 0 0 0 Are analytical results consistent with data reported on DMRs? • 0 0 0 Is the chain-of-custody complete? • 0 0 0 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? • 0 0 0 Has the facility submitted its annual compliance report to users and DWQ? • 0 0 0 (If the facility is=or>5 MGD permitted flow)Do they operate 24/7 with a certified operator 0 • 0 0 on each shift? Is the ORC visitation log available and current? U 0 0 0 Is the ORC certified at grade equal to or higher than the facility classification? • 0 0 0 Is the backup operator certified at one grade less or greater than the facility classification? • 0 0 0 Is a copy of the current NPDES permit available on site? U 0 0 0 Facility has copy of previous year's Annual Report on file for review? • 0 0 0 Comment: None Laboratory Yes No NA NE Are field parameters performed by certified personnel or laboratory? • 0 0 0 Are all other parameters(excluding field parameters)performed by a certified lab? • 0 0 0 Page# 3 Permit NC0020338 Owner-Facility: Yadkinville WWTP Inspection Date: 06/23/2015 Inspection Type: Compliance Evaluation Laboratory Yes No NA NE #Is the facility using a contract lab? • 0 0 0 #Is proper temperature set for sample storage(kept at less than or equal to 6.0 degrees • 0 0 0 Celsius)? Incubator(Fecal Coliform)set to 44.5 degrees Celsius+/-0.2 degrees? • 0 0 0 Incubator(BOD)set to 20.0 degrees Celsius+/-1.0 degrees? • 0 0 0 Comment: None Influent Sampling Yes No NA NE #Is composite sampling flow proportional? 0 0 0 • Is sample collected above side streams? • 0 0 0 Is proper volume collected? • 0 0 0 Is the tubing clean? • 0 0 0 #Is proper temperature set for sample storage(kept at less than or equal to 6.0 degrees • 0 0 0 Celsius)? Is sampling performed according to the permit? • 0 0 0 Comment: None Effluent Sampling Yes No NA NE Is composite sampling flow proportional? 0 0 ❑ Is sample collected below all treatment units? • 0 0 0 Is proper volume collected? • 0 0 0 Is the tubing clean? • 0 0 0 #Is proper temperature set for sample storage(kept at less than or equal to 6.0 degrees • 0 0 0 Celsius)? Is the facility sampling performed as required by the permit(frequency, sampling type • 0 0 0 representative)? Comment: None Bar Screens Yes No NA NE Type of bar screen a.Manual 0 b.Mechanical • Are the bars adequately screening debris? • 0 0 0 Is the screen free of excessive debris? • 0 0 0 Page* 4 ti r Permit: NC0020338 Owner-Facility: Yadkinville WWTP Inspection Date: 06/23/2015 Inspection Type: Compliance Evaluation Bar Screens Yes No NA NE Is disposal of screening in compliance? • 0 0 0 Is the unit in good condition? • ❑ 0 0 Comment: None Grit Removal Yes No NA NE Type of grit removal a.Manual 0 b.Mechanical • Is the grit free of excessive organic matter? • 0 0 0 Is the grit free of excessive odor'? • 0 0 0 #Is disposal of grit in compliance? • 0 0 0 Comment: None Puma Station -Influent Yes No NA NE Is the pump wet well free of bypass lines or structures? • 0 0 0 Is the wet well free of excessive grease? • 0 0 0 Are all pumps present? • 0 0 0 Are all pumps operable? • 0 0 0 Are float controls operable? • 0 0 0 Is SCADA telemetry available and operational? 0 0 0 • Is audible and visual alarm available and operational? 0 0 0 • Comment: None Oxidation Ditches Yes No NA NE Are the aerators operational? • 0 0 0 Are the aerators free of excessive solids build up? • 0 0 0 #Is the foam the proper color for the treatment process? U 0 0 0 Does the foam cover less than 25%of the basin's surface? • 0 0 0 Is the DO level acceptable? 0 0 0 • Are settleometer results acceptable(>30 minutes)? 0 0 0 • Is the DO level acceptable?(1.0 to 3.0 mg/I) 0 0 0 • Are settelometer results acceptable?(400 to 800 ml/I in 30 minutes) 0 0 0 • Comment: None Page# 5 Y Permit: NC0020338 Owner-Facility: YadkinvilleWWfP Inspection Date: 06/23/2015 Inspection Type: Compliance Evaluation Secondary Clarifier Yes No NA NE Is the clarifier free of black and odorous wastewater? • 0 ❑ 0 Is the site free of excessive buildup of solids in center well of circular clarifier? • 0 0 0 Are weirs level? • 0 0 0 Is the site free of weir blockage? U 0 0 0 Is the site free of evidence of short-circuiting? • 0 0 0 Is scum removal adequate? • 0 0 0 Is the site free of excessive floating sludge? • 0 0 0 Is the drive unit operational? • 0 0 0 Is the return rate acceptable(low turbulence)? • 0 0 0 Is the overflow clear of excessive solids/pin floc? • 0 0 0 Is the sludge blanket level acceptable?(Approximately%of the sidewall depth) 0 0 0 III Comment: None Flow Measurement-Effluent Yes No NA NE #Is flow meter used for reporting? • 0 0 0 Is flow meter calibrated annually? • 0 0 0 Is the flow meter operational? • 0 0 0 (If units are separated)Does the chart recorder match the flow meter? 0 0 0 • Comment: None Disinfection-Gas Yes No NA NE Are cylinders secured adequately? • 0 0 0 Are cylinders protected from direct sunlight? U ❑ 0 0 Is there adequate reserve supply of disinfectant? • 0 0 0 Is the level of chlorine residual acceptable? 0 0 0 II Is the contact chamber free of growth, or sludge buildup? • 0 0 0 Is there chlorine residual prior to de-chlorination? 0 0 0 • Does the Stationary Source have more than 2500 lbs of Chlorine(CAS No. 7782-50-5)? 0 0 0 III If yes,then is there a Risk Management Plan on site? 0 0 0 • If yes,then what is the EPA twelve digit ID Number?(1000- - ) If yes,then when was the RMP last updated? Comment: None Page# 6 r . d Permit: NC0020338 Owner-Facility: Yadkinville WWTP Inspection Date: 06/23/2015 Inspection Type: Compliance Evaluation De-chlorination Yes No NA NE Type of system? Gas Is the feed ratio proportional to chlorine amount(1 to 1)? • 0 0 0 Is storage appropriate for cylinders? • 0 0 0 #Is de-chlorination substance stored away from chlorine containers? • 0 0 0 Are the tablets the proper size and type? 0 0 • 0 Comment: None Are tablet de-chlorinators operational? 0 0 • 0 Number of tubes in use? Comment: None Puma Station -Effluent Yes No NA NE Is the pump wet well free of bypass lines or structures? • 0 0 0 Are all pumps present? • 0 0 0 Are all pumps operable? • 0 0 0 Are float controls operable? • 0 0 0 Is SCADA telemetry available and operational? • 0 0 0 Is audible and visual alarm available and operational? 0 0 0 MI Comment: None Effluent Pipe Yes No NA NE Is right of way to the outfall properly maintained? • 0 0 0 Are the receiving water free of foam other than trace amounts and other debris? • 0 ❑ 0 If effluent (diffuser pipes are required) are they operating properly? 0 0 • ❑ Comment: None Aerobic Digester Yes No NA NE Is the capacity adequate? • 0 0 0 Is the mixing adequate? • 0 0 0 Is the site free of excessive foaming in the tank? • 0 0 0 #Is the odor acceptable? • 0 0 ❑ #Is tankage available for properly waste sludge? • 0 ❑ ❑ Comment: None Page# 7 • Permit NC0020338 Owner-Facility: Yadkinvilie WWTP Inspection tate: 08/23/2015 inspection Type: Compliance Evaluation Operations&Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping? • 0 0 0 Does the facility analyze process control parameters,for ex: MLSS, MCRT,Settleable • 0 0 0 Solids,pH,DO, Sludge Judge,and other that are applicable? Comment: None Page* 8