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Home My WebLink AboutNCG590010_Compliance Evaluation Inspection_20200130I,QY COOPER Gorerrror MICHAEL S. REGAN S. bANIEL SMITH Vomw MORTH CAROLINA FmroronmrntalQua iry January 30, 2020 Mr. Joseph Pearce, Director of Operations Aqua North Carolina, Inc. 202 Mackenan Court Cary, NC 27511 Subject: Compliance Evaluation Inspection Maplecrest WTP NPDES Permit No. NCG590006 Fox Run WTP NPDES Permit No. NCG590008 Keltic Meadows WTP NPDES Permit No. NCG590009 Oakley Park WTP NPDES Permit No. NCG590010 Gaston County Dear Mr. Pearce: Enclosed are copies of the Compliance Evaluation Inspection Reports for the inspections conducted at the subject facilities on January 15, 2020, by Ori Tuvia and Michael Meilinger. Rufus Masters' cooperation during the site visits was much appreciated. Please advise the staff involved with these NPDES Permits by forwarding a copy of the enclosed reports. 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.tuviagncdenr. gov. Sincerely, Docu Signed by: s 91 C2A007838943E... f o r W. Corey Basinger Regional Supervisor Mooresville Regional Office Division of Water Resources Cc: NPDES, MRO Files (Laserfiche) Matt Costner (E-copy) North Carolina Departmew of Em9rowenta4 Quallly I DMshon of Water Reaourars WoresvtlleReglonal0ftire 1610East Gwrer Avenue, Sadte 301 1 MooresvMr, NorthCara®na28115 704.663,16PA 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 IN I 2 15 I 3 I NCG590010 111 12 I 20/01/14 I17 18 I S i 19 i G i 201 I 211111 1 1 I I I I II I I I I I I I I I I I I 1 I I I I I I I I I I II I I I I I f6 Inspection Work Days Facility Self -Monitoring Evaluation Rating 131 QA ---------------------- Reserved ------------------- 67 1.0 70 71 [„ I 72 n 73 L_LJ74 751 u u I I I I I I I80 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 oermit Number) 09:50AM 20/01/14 19/09/01 Oakley Park WTP Sequoia Dr Exit Time/Date Permit Expiration Date Gastonia NC 28052 10:15AM 20/01/14 24/07/31 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data Rufus Mason Masters/ORC/704-507-8533/ 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 0 Flow Measurement Operations & Maintenance Records/Reports Self -Monitoring Program 0 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 DocuSigned by: Ori A Tuvia DWR/MRO WQ/704-663-1699/ 1/30/2020 Michael J Meilinger �- DWR/MRO WQ/910-796-7336/ EBB057A2DE017498... Signature of Management Q A Reviewer Agency/Office/Phone and Fax Nu ocuSigned by: for Date SILIV11- 1/30/2020 W. Corey Basinger DWR/Division of Water Quality/7 4/t EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. Page# NPDES yr/mo/day Inspection Type NCG590010 I11 121 20/01/14 117 18 JCJ Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) Page# Permit: NCG590010 Owner - Facility: Oakley Park WTP Inspection Date: 01/14/2020 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 ❑ application? Is the facility as described in the permit? 0 ❑ ❑ ❑ # Are there any special conditions for the permit? ❑ 0 ❑ ❑ Is access to the plant site restricted to the general public? 0 ❑ ❑ ❑ Is the inspector granted access to all areas for inspection? 0 ❑ ❑ ❑ Comment: Permit expires on 7/31/2024 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)? ❑ ❑ ❑ Are analytical results consistent with data reported on DMRs? 0 ❑ ❑ ❑ Is the chain -of -custody complete? 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 CM 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? ❑ ❑ 0 ❑ 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? ❑ ❑ 0 ❑ Comment: Records reviewed during the inspection were organized and well maintained. DMRs, COCs, ORC visitation logs, and calibration lops, were reviewed for the period June 2019 through November 2019. Laboratory Yes No NA NE Page# 3 Permit: NCG590010 Owner - Facility: Oakley Park WTP Inspection Date: 01/14/2020 Inspection Type: Compliance Evaluation 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? 0 ❑ ❑ ❑ # Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees 0 ❑ ❑ ❑ Celsius)? Incubator (Fecal Coliform) set to 44.5 degrees Celsius+/- 0.2 degrees? ❑ ❑ 0 ❑ Incubator (BOD) set to 20.0 degrees Celsius +/- 1.0 degrees? ❑ ❑ 0 ❑ Comment: On -site field analyses (pH and total residual chlorine) are performed under Aqua North Carolina's field laboratory certification #5035. Water Tech Labs (TSS, turbidity, iron, manganese) has also been contracted to provide analytical support. Effluent Sampling Yes No NA NE Is composite sampling flow proportional? ❑ ❑ 0 ❑ Is sample collected below all treatment units? 0 ❑ ❑ ❑ Is proper volume collected? 0 ❑ ❑ ❑ Is the tubing clean? ❑ ❑ 0 ❑ # Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees ❑ ❑ 0 ❑ Celsius)? Is the facility sampling performed as required by the permit (frequency, sampling type 0 ❑ ❑ ❑ representative)? Comment: The subject permit requires effluent grab samples. 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 ❑ ❑ ❑ Solids, pH, DO, Sludge Judge, and other that are applicable? Comment: The facility appeared to be properly operated and well maintained. De -chlorination Yes No NA NE Type of system ? Tablet Is the feed ratio proportional to chlorine amount (1 to 1)? ❑ ❑ 0 ❑ Is storage appropriate for cylinders? 0 ❑ ❑ ❑ # Is de -chlorination substance stored away from chlorine containers? 0 ❑ ❑ ❑ Comment: Are the tablets the proper size and type? 0 ❑ ❑ ❑ Page# 4 Permit: NCG590010 Inspection Date: 01/14/2020 De -chlorination Are tablet de -chlorinators operational? Number of tubes in use? Owner - Facility: Oakley Park WTP Inspection Type: Compliance Evaluation Comment: Sodium bisulfite tablets are used for de-chlornation. 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: Instantaneous flows are based on the calculated backwash volume and duration. 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? Comment: No discharges were observed at both outfalls during the inspection. Yes No NA NE ■ ❑ ❑ ❑ Q Yes No NA NE ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ Yes No NA NE ■ ❑ ❑ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ Page# 5