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HomeMy WebLinkAboutNC0028941_Compliance Evaluation Inspection_20170628Water Resources Environmental Quality June 28, 2017 Shannon V. Becker, President Aqua North Carolina, Inc. 202 MacKenan Court Cary, North Carolina 27511 SUBJECT: Compliance Evaluation Inspection Pine Valley Subdivision WWTP NPDES Permit NCO028941 Rowan County, NC Dear Mr. Becker: ROY COOPER Governor MICHAEL S. REGAN Secretary S. JAY ZIlVIMERMAN Director RECEIVEDINCDENWR JUL 0 6 2017 Water Quality Permitting Section On June 22, 2017, Roberto Scheller of this Office conducted compliance inspections at the subject facility. This inspection was conducted as a Compliance Evaluation Inspections (CEI) to insure compliance with permit requirements and conditions. At the time of inspection facility appeared to be well maintained and operated. We wish to thank you and the operating staff for assistance regarding this inspection. The enclosed report should be self-explanatory; however, should you have any questions, please do not hesitate to contact myself or Roberto Scheller at (704) 235-2204 or roberto.scheller@ncdenr.gov. Sincerely, W. Corey Basinger, Regional Supervisor Water Quality Regional Operations Section Division of Water Resources, NCDEQ Enclosed cc: John Martin (ORC) email: JAMarkn@aquamerica.com Wastewater Branch File rls -' `P "Nothing Compares'= ---- State of North Carolina I Environmental Quality 1611 Mail Service Center I Raleigh, North Carolina 27699-1611 919-707-9000 I - 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 17 181,,1 19 l G l 201 I 1 IN 1 2 15 1 3 I NCO028941 111 12 17/06/22 j LJ 211111111111111111111111111111111111111����� �6 Inspection Work Days Facility Self -Monitoring Evaluation Rating 61 QA -Reserved 67 70 1, 1 71 L_] 72 1 N 1 73 1 74 75 80 L_I L_I L1J 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) 12 OOPM 17/06/22 14/04/01 Pine Valley Subdivision WWTP Exit Time/Date Penult Expiration Date NCSR 1802 01 52P 17/06/22 19/03/01 Salisbury NC 28144 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data /// John Allen Martin/ORCf704-489-9404/ Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Christopher Collins,6902 Sandridge Or Fayetteville NC 28314/Coastal Regional No Supervisor/910-779-0794/ Section C Areas Evaluated During Inspection (Check only those areas evaluated) Permit E Flow Measurement Operations & Maintenance Records/Reports Self -Monitoring Program E 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 Inspectors) Agency/Office/Phone and Fax Numbers Date Obert Scheller MRO WQ//252-946-6481/ 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) Previous editions are obsolete =j!) 03-e- 7o"('t- Page# NPDES yr/mo/day Inspection Type 31 NCO028941 I11 12 17/06/22 17 18 I' l Section D Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) Page# Permit NCO028941 Owner - Facility Pine Valley Subdivision WWTP Inspection Date 06/22/2017 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? Is the facility as described In the permit? M ❑ ❑ ❑ # Are there any special conditions for the permit? 0 ❑ ❑ ❑ Is access to the plant site restricted to the general public? M ❑ ❑ ❑ Is the Inspector granted access to all areas for Inspection? M ❑ ❑ ❑ Comment The subject permit was Issued on April 1 2014 and expires on March 3 2019 The permit is for the operation of an existing 0 025 MGD wastewater treatment facility consisting of influent bar screen aeration basin clarifer, chlorine contact chamber with tabler chlorinator,_ tablet dechlorination sludge holding tank post aeration and continuous effluent flow meter Record Keeping Yes No NA NE Are records kept and maintained as required by the permit? 0 ❑ ❑ ❑ 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? M ❑ ❑ ❑ Is the chain -of -custody complete? M ❑ ❑ ❑ Dates, times and location of sampling was noted on September 2016 NOV-2016-MV-0008 Name of individual performing the sampling Results of analysis and calibration Dates of analysis Name of person performing analyses Transported COCs Are MRS complete do they Include all permit parameters? 0 ❑ ❑ ❑ 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 2417 with a certified operator ❑ ❑ ❑ on each shift? Is the ORC visitation log available and current? 0 ❑ ❑ ❑ 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? M ❑ ❑ ❑ Is a copy of the current NPDES permit available on site? M ❑ ❑ ❑ Facility has copy of previous year's Annual Report on file for review? ❑ ❑ 0 ❑ Comment Compliance history was reviewed for January 2016 through December 2016 One violation was noted on September 2016 NOV-2016-MV-0008 Page# 3 n V Permit. NCO028941 Owner - Facility Pine Valley Subdivision WWTP Inspection Date 06/22/2017 Inspection Type Compliance Evaluation Yes No NA NE Is the equipment operational? ❑ 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? E ❑ ❑ ❑ # Is proper temperature set for sample storage (kept at less than or equal to 6 0 degrees E ❑ ❑ ❑ Celsius)? Is the site free of excessive moisture in belt filter press sludge cake? ❑ ❑ E Incubator (Fecal Coliform) set to 44 5 degrees Celsius+/- 0 2 degrees? ❑ ❑ E ❑ Incubator (BOD) set to 20 0 degrees Celsius +/-1 0 degrees? ❑ ❑ M ❑ Comment This facility Deforms field analvses for DH. Total Residual Chlorine, DO, and Temperature under Labatory Field Certification 45035 Water Tech Laboratory (Lab Certification #50) is used as contract labatory Operations & Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping? 0 ❑ ❑ ❑ Does the facility analyze process control parameters, for ex MLSS, MCRT, Settleable 0 ❑ ❑ ❑ Solids, pH, DO, Sludge Judge, and other that are applicable? Comment It was noted that no washdown water was avaliable for plant washdown and maintenance Solids Handling Equipment Yes No NA NE Is the equipment operational? ❑ ❑ 0 ❑ Is the chemical feed equipment operational? ❑ ❑ E ❑ Is storage adequate? E ❑ ❑ ❑ Is the site free of high level of solids in filtrate from filter presses or vacuum filters? ❑ ❑ E ❑ Is the site free of sludge buildup on belts and/or rollers of filter press? ❑ ❑ E ❑ Is the site free of excessive moisture in belt filter press sludge cake? ❑ ❑ E ❑ The facility has an approved sludge management plan? ❑ ❑ N ❑ Comment Sludge is stored in aerobic dygester for thickening Sludge is removed for disposal by Bumqardner Septic Bar Screens Yes No NA NE Type of bar screen a Manual b Mechanical ❑ Are the bars adequately screening debris? 0 ❑ ❑ ❑ Is the screen free of excessive debris? 0 ❑ ❑ ❑ Is disposal of screening In compliance? E ❑ ❑ ❑ Page# 4 El A Permit NCO028941 Inspection Date 06/22/2017 Bar Screens Is the unit In good condition? Comment Rags disposed of at sanatary landfill 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 25% of the basin's surface? Is the DO level acceptable? Is the DO level acceptable?(1 0 to 3 0 mg/1) Owner - Facility Pine Valley Subdivision VVVVTP Inspection Type Compliance Evaluation Yes No NA NE N ❑ ❑ ❑ Yes No NA NE Ext Air ❑ ❑ Diffused ❑ ❑ ■ ❑ ❑ ❑ ❑ ❑ ■ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ E ❑ ❑ ❑ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ Comment At time of inspection mixed liquors had good color and appeared to have sufficent DO 15 minutes of 30 minute settablllty test Showed solids settled out well with a defined sludge blanket and clear water above Secondary Clarifier Is the clarifier free of black and odorous wastewater? Is the site free of excessive buildup of solids In center well of circular clarifier? Are weirs level? Is the site free of weir blockage? Is the site free of evidence of short-circuiting? Is scum removal adequate? Is the site free of excessive floating sludge? Is the drive unit operational? Is the return rate acceptable (low turbulence)? Is the overflow clear of excessive solids/pin floc? Is the sludge blanket level acceptable? (Approximately % of the sldewall depth) Comment Floating sludge balls noted on surface of secondary clarifier Disinfection -Tablet Are tablet chlorinators operational? Are the tablets the proper size and type? Yes No NA NE ■ ❑ ❑ ❑ ❑ ❑ E ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ * ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ E Yes No NA NE ■ ❑ ❑ ❑ N ❑ ❑ ❑ Page# 5 Permit NCO028941 Inspection Date 06/22/2017 Disinfection -Tablet Number of tubes In use? Is the level of chlorine residual acceptable? Is the contact chamber free of growth, or sludge buildup? Is there chlorine residual prior to de -chlorination? Comment Owner - Facility Pine Valley Subdivision WWTP Inspection Type Compliance Evaluation De -chlorination Type of system ? Is the feed ratio proportional to chlorine amount (1 to 1)? Is storage appropriate for cylinders? # Is de -chlorination substance stored away from chlorine containers? Are the tablets the proper size and type? Comment De -chlorination feed at a 2 1 ratio Are tablet de -chlorinators operational? Number of tubes In use? Comment Effluent Sampling Is composite sampling flow proportional? Is sample collected below all treatment units? Is proper volume collected? Is the tubing clean? # 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 All samples are collected as grab samples via permit monitoring requirements Effluent Pipe 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? 0 I Yes No NA NE 2 ❑ ❑ ❑ ❑❑❑e M ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ Yes No NA NE Tablet ❑ ❑ ❑ ❑ M ❑ ❑ ❑ M ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ M ❑ ❑ ❑ 4 Yes No NA NE ❑ ❑ ■ ❑ M ❑ ❑ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ M ❑ ❑ ❑ M ❑ ❑ ❑ Yes No NA NE ■ ❑ ❑ ❑ M ❑ ❑ ❑ ❑ ❑ M ❑ Comment At time of Inspection effluent was clear with no visible suspended solids or foam at point of discharge Page# 6