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Home My WebLink AboutNC0060461_Compliance Evaluation Inspection_20150518 AVA NCDENR North Carolina Department of Environment and Natural Resources Pat McCrory Donald R. van der Vaart Governor Secretary May 18, 2015 Carolina Water Service Inc. of NC Attn: Martin J. Lashua, NC Regional Manager P.O. Box 240908 RECEIVEDIDENRIDWR Charlotte, NC 28224-0908 Subject: Compliance Evaluation Inspection MA' 2 1 2015 Permittee: Carolina Water Service Inc. of NC Water Quality Facility: Abington Wastewater Treatment Plant permitting Section NPDES Permit#: NC0060461 Forsyth County Dear Mr. Lashua: 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) of the Abington Wastewater Treatment Plant (WWTP) on May 7, 2015. The assistance and cooperation of Andrew Phillips, Operator in Responsible Charge (ORC), was greatly appreciated. An inspection checklist is attached for your records and inspection findings are summarized below. General Information The WWTP is located at the end of Bainburgh Court, inside Abington subdivision in Kernersville, Forsyth County, NC, at approximately coordinates 36.168802°N, -80.098259°W. The permit authorizes Carolina Water Service Inc. of NC to operate this 0.2 MGD WWTP, which consists of an equalization basin with dual pumps, a bar screen, a flow splitter box, dual aeration basins, dual clarifiers, a Sodium Hypochlorite disinfection system, a Sodium Bisulfate dechlorination system, a chlorine contact tank, post aeration, aerobic sludge digestion, a float analog graph flow meter, and a standby emergency generator, and discharge the treated effluent via outfall 001 into Belews Creek, which is currently classified as Class C waters in the Roanoke River basin. Site Review As was the case for the previous inspection in 2013, the operators have done an excellent job operating and maintaining the plant. The plant is in very good condition and is being operated very well, Mr. Boone noted no discrepancies. Documentation Review All documentation was reviewed and no discrepancies were found. Again, the operators have done an excellent job of documenting the operation and maintenance of the plant as required by the permit. This 450 West Hanes Mill Road,Suite#300,Winston-Salem,North Carolina 27105 Phone:336-776-98001 Internet:www.ncdenr.gov An Equal Opportunity 1 Affirmative Action Employer—Made in part by recycled paper includes operations and visitation logs, discharge monitoring reports and laboratory and field laboratory records, chains of custody,etc. Mr. Boone noted no concerns during his inspection. If you have any questions regarding the inspection or this letter, please call him or me at (336) 776-9800. Thank you for your cooperation in this matter. Sincerely, • W. Corey Basinger Regional Supervisor Water Quality Regional Operations Division of Water Resources Attachments: 1. BIMS Inspection Report CC: WSRO-SWP Central Files NPDES Unit 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 El 2 15 I 3 I NC0060461 111 12 I 15/05/07 117 18[ 19 1.11 201 I 21IIIIII IIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIII Inspection Work Days Facility Self-Monitoring Evaluation Rating B1 GA --- Reserved------ 671 I___J 1 70 71 u 72 LJ 731 I V' 751 1 1 1 1 1 1 180 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) 10:00AM 15/05/07 12/05/01 Abington WWTP Exit Time/Date Permit Expiration Date 6890 Bainburg Ct 11:00AM 15/05/07 17/02/28 Kemersville NC 27284 Name(s)of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data /// Andrew Richard Phillips/ORC/336-240-5866/ Name,Address of Responsible OfficialTitle/Phone and Fax Number Contacted Martin J.Lashua,PO Box 240908 Charlotte NC 282240908Nice President/704-319-0517/7045258174 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 di 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 Ron Boone fr. WSRO WQ//336-776-9690/ l jt5J / 1 r. I Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date EPA Form 3560-3(Rev 9-94)Previous editions are obsolete. Page# 1 NPDES yr/mo/day Inspection Type 1 31 NC0060461 111 12p 15/05/07 17 18 LEI I Section D:Summary of Finding/Comments(Mach additional sheets of narrative and checklists as necessary) Please refer to the attached inspection summary letter. • t Page* 2 Permit NC0060461 Owner-Facility: Abington MNTP Inspection Date: 05/07/2015 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 II 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 U 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 MI 0 (If the facility is=or>5 MGD permitted flow)Do they operate 24/7 with a certified operator 0 • 0 ❑ on each shift? Is the ORC visitation log available and current'? • 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? • 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 NC0060461 Owner-Facility: Abington WJVTP Inspection Date: 05/07/2015 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: Facility not sampling at the time of the inspection. Effluent Sampling Yes No NA NE Is composite sampling flow proportional? Y • 0 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: Facility not sampling at time of inspection. Upstream/Downstream Sampling Yes No NA NE Is the facility sampling performed as required by the permit(frequency, sampling type, and • 0 0 0 sampling location)? Comment: None Pump 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 Is audible and visual alarm available and operational? • 0 0 0 Comment: None Bar Screens Yes No NA NE Page# 4 Permit: NC0060461 Owner-Facility: Abington WWTP Inspection Date: 05/07/2015 Inspection Type: Compliance Evaluation Bar Screens Yes No NA NE Type of bar screen a.Manual • b.Mechanical 0 Are the bars adequately screening debris? • 0 0 0 Is the screen free of excessive debris? • 0 0 0 Is disposal of screening in compliance? • 0 0 0 Is the unit in good condition? • 0 0 0 Comment: None Equalization Basins Yes No NA NE Is the basin aerated? • 0 0 0 Is the basin free of bypass lines or structures to the natural environment? • 0 0 0 Is the basin 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 Are audible and visual alarms operable? • 0 0 0 #Is basin size/volume adequate? • 0 0 0 Comment: None Aeration Basins Yes No NA NE Mode of operation Ext.Air Type of aeration system Diffused Is the basin free of dead spots? • 0 0 0 Are surface aerators and mixers operational? 0 0 • 0 Are the diffusers operational? • 0 0 0 Is the foam the proper color for the treatment process? • 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 • Is the DO level acceptable?(1.0 to 3.0 mg/I) 0 0 0 0 Comment: None Secondary Clarifier Yes No NA NE Page# 5 Permit: NC0060461 Owner-Facility: Abington WWT P Inspection Date: 05/07/2015 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? • 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 Is the return rate acceptable(low turbulence)? • 0 0 ❑ Is the overflow clear of excessive solids/pin floc? U 0 0 0 Is the sludge blanket level acceptable?(Approximately'/.of the sidewall depth) 0 0 0 • Comment: None Pumps-RAS-WAS Yes No NA NE Are pumps in place? • 0 El 0 Are pumps operational? • 0 0 ❑ Are there adequate spare parts and supplies on site? • 0 ❑ 0 Comment: None Flow Measurement-Effluent Yes No NA NE #Is flow meter used for reporting? • 0 ❑ El 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 III Comment: None Disinfection-Liquid Yes No NA NE Is there adequate reserve supply of disinfectant? • 0 0 0 (Sodium Hypochlorite)Is pump feed system operational? • 0 0 0 Is bulk storage tank containment area adequate?(free of leaks/open drains) • 0 ❑ 0 Is the level of chlorine residual acceptable? 0 0 0 • Is the contact chamber free of growth, or sludge buildup? • 0 ❑ 0 Is there chlorine residual prior to de-chlorination? 0 0 ❑ • Page# 6 • • Permit: NC0060461 Owner-Facility: Abington WWTP Inspection Date: 05/07/2015 inspection Type: Compliance Evaluation Disinfection-Liquid Yes No NA NE Comment: None De-chlorination Yes No NA NE Type of system? Liquid 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: Faciltilv has stopeed using chlorinating tablets and has been using liquid. 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 0 If effluent (diffuser pipes are required) are they operating properly? 0 0 U 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 0 #Is tankage available for properly waste sludge? • 0 0 0 Comment: none Chemical Feed Yes No NA NE Is containment adequate? • 0 0 0 Is storage adequate? • 0 0 0 Are backup pumps available? • 0 0 0 Is the site free of excessive leaking? • 0 0 0 Comment: None Page# 7 Permit NC0060461 Owner-Facility: Abington VNNTP Inspection Date: 05/07/2015 Inspection Type: Compliance Evaluation Chemical Feed Yes No NA NE 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 ❑ Solids, pH, DO, Sludge Judge, and other that are applicable? Comment: None • Standby Power Yes No NA NE Is automatically activated standby power available? • 0 0 0 Is the generator tested by interrupting primary power source? • 0 0 0 Is the generator tested under load? • 0 0 0 Was generator tested&operational during the inspection? • 0 0 0 Do the generator(s)have adequate capacity to operate the entire wastewater site? • 0 0 0 Is there an emergency agreement with a fuel vendor for extended run on back-up power? 0 0 0 • Is the generator fuel level monitored? • 0 0 0 Comment: More Page# 8