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Home My WebLink AboutNC0028941_Compliance Evaluation Inspection_20211109ROY COOPER Governor ELIZABETH S. BISER Secretory S. DANIEL SMITH Director Mr. Shannon V. Becker Aqua North Carolina, Inc. 202 Mackenan Court Cary, NC 28511 Dear Mr. Becker: NORTH CAROLINA Environmental Quality November 9, 2021 SUBJECT: Compliance Evaluation Inspection Pine Valley S/D WWTP NPDES Permit NC0028941 Rowan County, NC On November 4, 2021, Roberto Scheller of this Office conducted a compliance inspection at the subject facility. This inspection was conducted as a Compliance Evaluation Inspection (CEI) to ensure compliance with permit requirements and conditions. At the time of inspection facility appeared to be well operated and was producing a good quality effluent. We wish to thank 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(a�ncdenr.gov. Enclosure: CEI Report Sincerely, 1- DocuSigned by: 44.01414V H P:z �F161FB69A2D84A3... for W. Corey Basinger, Regional Supervisor Water Quality Regional Operations Section Division of Water Resources, NCDEQ CC: Ricky Reynolds, ORC, email: ricky.reynolds(a�aguaamerica.com D_E 1N�.O.�R�TH CARO.I •vp.nmept 0T EnVlrQIno nm,n,0I Q03�k� North Carolina Department of Environmental Quality I Division of Water Resources Mooresville Regional Office 1610 East Center Avenue, Suite 301 I Mooresville, North Carolina 28115 704.663.1699 United States Environmental Protection Agency E PA Washington, D.C. 20460 Water Compliance Inspection Report Form Approved. OMB No. 2040-0057 Approval expires 8-31-98 Section A: National Data System Coding (i.e., PCS) Transaction Code 1 IN I 2 IL 21IIIIII NPDES yr/mo/day I 3 I NC0028941 111 121 21/11/04 117 Inspection Type 1810I IIIIIIIIIII Inspector Fac Type 19I S I 2011 IIIIIIIIIII IIIIIII I IIIIII P6 Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA 671 I 70I3 I 711 1 72 I Reserved N I 73I 1 74 71 I I 1 I I I I I I 180 Section B: Facility Data Name and Location of Facility Inspected (For Industrial Users discharging to POTW, also include POTW name and NPDES Dermit Number) Pine Valley Subdivision WWTP NCSR 1802 Salisbury NC 28144 Entry Time/Date 09:21AM 21/11/04 Permit Effective Date 19/06/01 Exit Time/Date 10:17AM 21/11/04 Permit Expiration Date 24/03/31 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) /// Ricky Dean Reynolds/ORC// Other Facility Data Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Joseph R Pearce,202 Mackenan Crt Cary NC 27511/Director of Operations/919-653-6964/9194601788 No Section C: Areas Evaluated During Inspection (Check only those areas evaluated) Permit Flow Measurement Operations & Maintenar Records/Reports Self -Monitoring Progran Sludge Handling Dispo: Facility Site Review Compliance Schedules Effluent/Receiving Wate Laboratory Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) (See attachment summary) Name(s) and Signa Roberto Scheller ure(s) of Inspector(s) Agency/Office/Phone and Fax Numbers DocuSigned by: (ram Sa LA,t;�oti DWR/MRO WQ/707-235-2204/ Date 11/9/2021 "-91C2A007838943E... Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numb W. Corey Basinger DWR/Division of Water Quality/704-235-219 DocuSigned by: for WCB Date /A"' H P'4.'} 11.9.21 F161FB69A2D84A3... EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. Page# 1 31 NPDES yr/mo/day NC0028941 111 121 21 /11 /04 117 Inspection Type 18 [j (Cont.) 1 Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) The current NPDES permit was issued on June 1, 2019 and expires March 31, 2024. Permit is for the operation of a 0.025 MGD wastewater treatment plant that discharges into Setman Branch which is classified as Class C waters in the Yadkin -Pee Dee River Basin. Review of 12-month compliance history from October 2020 through September 2021 no permit limit violations were reported. At time of inspection effluent at point of discharge was clear with no visible suspended solids. Facility appeared to be well operated. Page# 2 Permit: NC0028941 Inspection Date: 11/04/2021 Owner - Facility: Pine Valley Subdivision WWTP 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 El El ❑ application? Is the facility as described in the permit? • El El El # Are there any special conditions for the permit? • El El El Is access to the plant site restricted to the general public? • ❑ ❑ ❑ Is the inspector granted access to all areas for inspection? • El El El Comment: Current NPDES Permit # NC0028941 became effective June 1, 2021 and expires on March 31, 2024. Record Keeping Are records kept and maintained as required by the permit? Is all required information readily available, complete and current? Are all records maintained for 3 years (lab. reg. required 5 years)? Are analytical results consistent with data reported on DMRs? Is the chain -of -custody complete? 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? 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? Is the ORC certified at grade equal to or higher than the facility classification? 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 Annual Report on file for review? Comment: Records reviewed were current and up to date. Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • • ❑ ❑ ❑ ❑ ❑ ❑ ❑ ▪ El El El • ❑ ❑ ❑ Laboratory Yes No NA NE Page# 3 Permit: NC0028941 Inspection Date: 11/04/2021 Owner - Facility: Pine Valley Subdivision WWTP Inspection Type: Compliance Evaluation Laboratory Are field parameters performed by certified personnel or laboratory? Are all other parameters(excluding field parameters) performed by a certified lab? # Is the facility using a contract lab? # 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? Incubator (BOD) set to 20.0 degrees Celsius +/- 1.0 degrees? Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ Comment: Contract Laboratory Water Tech performs analyses under certification #50. Field analyses are performed under Field Certification #5035. Field equipment calibration sheets were reviewed and found up to date. Operations & Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping? • ❑ ❑ ❑ Does the facility analyze process control parameters, for ex: MLSS, MCRT, Settleable ❑ ❑ ❑ Solids, pH, DO, Sludge Judge, and other that are applicable? Comment: 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 in compliance? Is the unit in good condition? Comment: Screenings are placed in dumpster for final disposal in sanitary landfill. Yes No NA NE • • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Aeration Basins Yes No NA NE Mode of operation Ext. Air Type of aeration system Diffused 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? • ❑ ❑ ❑ Page# 4 Permit: NC0028941 Inspection Date: 11/04/2021 Owner - Facility: Pine Valley Subdivision WWTP Inspection Type: Compliance Evaluation Aeration Basins Is the DO level acceptable? Is the DO level acceptable?(1.0 to 3.0 mg/I) I=1 El El IN Yes No NA NE Comment: At time of inspection 30 minute settability test was on going. MLSS had good color and appeared to flocking together well. Secondary Clarifier Yes No NA NE Is the clarifier free of black and odorous wastewater? • ❑ El El Is the site free of excessive buildup of solids in center well of circular clarifier? El El • El Are weirs level? • El ❑ ❑ Is the site free of weir blockage? ■ El El El Is the site free of evidence of short-circuiting? ■ ❑ El El Is scum removal adequate? • El El El Is the site free of excessive floating sludge? • El ❑ ❑ Is the drive unit operational? El El • El Is the return rate acceptable (low turbulence)? ■ ❑ El El Is the overflow clear of excessive solids/pin floc? • El El El Is the sludge blanket level acceptable? (Approximately'/4 of the sidewall depth) ❑ El ❑ • Comment: At time of inspection effluent from secondary calrifier was clear with few visible soids. 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? Comment: Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Disinfection -Tablet Yes No NA NE Are tablet chlorinators operational? • El El El Are the tablets the proper size and type? • ❑ El El Number of tubes in use? 2 Is the level of chlorine residual acceptable? El El El • Is the contact chamber free of growth, or sludge buildup? • El El El Is there chlorine residual prior to de -chlorination? • ❑ El El Page# 5 Permit: NC0028941 Inspection Date: 11/04/2021 Owner - Facility: Pine Valley Subdivision WWTP Inspection Type: Compliance Evaluation Disinfection -Tablet Yes No NA NE Comment: De -chlorination Yes No NA NE Type of system ? Tablet Is the feed ratio proportional to chlorine amount (1 to 1)? ❑ ❑ • ❑ Is storage appropriate for cylinders? ❑ El • El # Is de -chlorination substance stored away from chlorine containers? ❑ El • El Comment: Are the tablets the proper size and type? • El ❑ ❑ Are tablet de -chlorinators operational? ■ ❑ ❑ ❑ Number of tubes in use? 4 Comment: At point of discharge into Setman Branch there was no foam of floating solids. Effluent was clear with no visible suspended solids. Compliance Schedules Is there a compliance schedule for this facility? Is the facility compliant with the permit and conditions for the review period? Comment: Yes No NA NE ❑ ❑ • ❑ ❑ ❑ • ❑ Page# 6