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Home My WebLink AboutNC0065684_Compliance Evaluation Inspection_20180531N -Z Water Resources Eh ViAQNMEHTAL QVALiTV May 31, 2018 Mr. Shannon V Becker Aqua North Carolina Inc. 202 Mackenan Court Cary, NC 27511 SUBJECT: Compliance Evaluation Inspection Country Wood WWTP NPDES Permit #NC0065684 Cabarrus County, NC Dear Mr. Becker: ROY C OOPE1R Gayff var A ICHNEL S_ REGAN Secrelan. LLVDA CLTLPEPPER MRF1M D&gCfVr On May 22, 2018, Roberto Scheller of this Office conducted an inspection at the subject facility. This inspection was conducted as a Compliance Evaluation Inspection (CEI) to insure compliance with permit requirements and conditions. At the time of inspection subject 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 Roberto Scheller, of the Mooresville Regional Office, at 704-663-1699 or roberto.scheller@ncdenr.gov. Sincerely, DocuSigned by: 14 C681AF 7425... orey asinger, Regional Supervisor Water Quality Regional Operations Section Mooresville Regional Office Enclosure: Inspection Report cc: ORC — kashattuck@aquaamerica.com State of North Carolina I Environmental Quality I Water Resources 610 East Center Avenue, Suite 301, Mooresville, NC 28115 704-663-1699 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 NCO065684 111 12 I 18/05/22 I17 18 I S i 19 LG] i 201 I 211111 1 1 1 1 1 111 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 111 1 1 1 1 1 166 Inspection Work Days Facility Self -Monitoring Evaluation Rating 131 QA ----------------------Reserved------------------- 67 70I�_71 I 72 Lr] 73I i74 751 I I I 1 80 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) 09:55AM 18/05/22 16/10/01 Country Wood WWTP NCSR 1004 Exit Time/Date Permit Expiration Date Monroe NC 28110 01:21 PM 18/05/22 21/04/30 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Shannon V Becker,202 Mackenan Ct Cary NC 27511/President/919-653-5570/ 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 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 Roberto SchellerDoc�y: MRO WQ//252-946-6481/ 5/31/2018 E91 C2A007838943E... 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. DocuSigned by: 6/1/2018 Page# A14CC681AF27425... NPDES yr/mo/day Inspection Type NCO065684 I11 12, 18/05/22 117 18 JCJ Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) Page# Permit: NCO065684 Owner - Facility: Country Wood WWTP Inspection Date: 05/22/2018 Inspection Type: Compliance Evaluation Yes No NA NE Are records kept and maintained as required by the permit? 0 ❑ Permit Yes No NA NE (If the present permit expires in 6 months or less). Has the permittee submitted a new ❑ ❑ 0 ❑ application? 0 ❑ ❑ ❑ 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: The current NPDES permit expires on April 30, 2021. 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? 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? ❑ ❑ ❑ 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: All records requested during inspection was readily available for review. Operations & Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping? 0 ❑ ❑ ❑ Page# 3 Permit: NCO065684 Inspection Date: 05/22/2018 Owner - Facility: Country Wood WWTP Inspection Type: Compliance Evaluation Operations & Maintenance Yes No NA NE Does the facility analyze process control parameters, for ex: MLSS, MCRT, Settleable ❑ ❑ ❑ Solids, pH, DO, Sludge Judge, and other that are applicable? Comment: This Office has received several complaints in regards to odor from the Country Wood WWTP. Site was visited as result of complaint investigation on April 23, 2018. A Compliance Evaluation Inspection was conducted on May 23, 2018. During both site visits no unusally strong or offensive odors were noted. Aeration basins had an earthy smell and EQ basin had light ammonia smell that disipated 20-30 feet away from basin. Laboratory Yes No NA NE Are field parameters performed by certified personnel or laboratory? 0 ❑ 1:11:1 Are all other parameters(excluding field parameters) performed by a certified lab? 0 ❑ 1:11:1 # 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: Field analysis are performed under Field Certification #5035 for DO, pH, Temperature, and Cl2. Field equipment calibration logs were reviewd. All other analysis are performed by Water Tech Labs under Certification #50. Equalization Basins Is the basin aerated? Is the basin free of bypass lines or structures to the natural environment? Is the basin free of excessive grease? Are all pumps present? Are all pumps operable? Are float controls operable? Are audible and visual alarms operable? # Is basin size/volume adequate? • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ Comment: It was noted during inspection that construction on EQ basins was compleat and 2 treatment plants have been converted to equalization basins equiped with dual pumps, high water alarms and related controls. Bar Screens Type of bar screen a.Manual b.Mechanical Yes No NA NE Page# 4 Permit: NCO065684 Inspection Date: 05/22/2018 Owner - Facility: Country Wood WWTP Inspection Type: Compliance Evaluation Mode of operation Ext. Air ■ Bar Screens Yes No NA NE Are the bars adequately screening debris? 0 ❑ ❑ ❑ Is the screen free of excessive debris? 0 ❑ ❑ ❑ Is disposal of screening in compliance? 0 ❑ ❑ ❑ Is the unit in good condition? 0 ❑ ❑ ❑ Comment: Aeration Basins Yes No NA NE Mode of operation Ext. Air ■ ❑ Type of aeration system ❑ • ❑ ❑ Is the basin free of dead spots? 0 ❑ ❑ ❑ Are surface aerators and mixers operational? ❑ ❑ 0 ❑ Are the diffusers operational? 0 ❑ ❑ ❑ Is the foam the proper color for the treatment process? 0 ❑ ❑ ❑ Does the foam cover less than 25% of the basin's surface? 0 ❑ ❑ ❑ Is the DO level acceptable? 0 ❑ ❑ ❑ Is the DO level acceptable?(1.0 to 3.0 mg/1) ❑ ❑ 0 ❑ Comment: EQ basins pump to 3 treatment trains. Each treatment unit has EQ basin, areobic digester, aeration basin, secondary clarifier and sand filter. Treatment units discharge into common effluent pipe and passes through UV disinfection, flow meter and outfall pipe. 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 sidewall depth) Yes No NA NE ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ❑ ■ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ❑ ❑ ❑ ■ Comment: It was noted that on 2 of 3 treatment units sludge balls were popping up in secondary clarifiers. Page# 5 Permit: NC0065684 Inspection Date: 05/22/2018 Owner - Facility: Country Wood WWTP Inspection Type: Compliance Evaluation Is the capacity adequate? 0 ❑ Pumps -RAS -WAS Yes No NA NE Are pumps in place? 0 ❑ ❑ ❑ Are pumps operational? 0 ❑ ❑ ❑ Are there adequate spare parts and supplies on site? ❑ ❑ ❑ 0 Comment: RAS and WAS in moved with air lift purr Aerobic Digester Yes No NA NE Is the capacity adequate? 0 ❑ ❑ ❑ Is the mixing adequate? 0 ❑ ❑ ❑ Is the site free of excessive foaming in the tank? 0 ❑ ❑ ❑ # Is the odor acceptable? 0 ❑ ❑ ❑ # Is tankage available for properly waste sludge? 0 ❑ ❑ ❑ Comment: WAS is wasted to aerobic digesters and thickened before being removed for disposal by L&L Environmental Services, LLC. L&L was hauling sludge from facility at time of inspection. Filtration (High Rate Tertiary) Type of operation: Is the filter media present? Is the filter surface free of clogging? Is the filter free of growth? Is the air scour operational? Is the scouring acceptable? Is the clear well free of excessive solids and filter media? Comment: Air scour is operated manually. At time of in no visible suspended solids. Disinfection - UV Are extra UV bulbs available on site? Are UV bulbs clean? Is UV intensity adequate? Is transmittance at or above designed level? Is there a backup system on site? Is effluent clear and free of solids? Comment: Intensity meter not operational. \[-T-S►rem ►/_M►1=111111 Down flow ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ M ❑ ❑ ❑ effluent from sand filters was clear with ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ Page# 6 Permit: NCO065684 Owner - Facility: Country Wood WWTP Inspection Date: 05/22/2018 Inspection Type: Compliance Evaluation 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: At the time of insDection effluent samDler was recorded at 5 dearees Celsius. Influent sampler was recorded at 4 degrees Celsius. New flow meter has been installed with calibration done at time of installation by Johnson Inc. At time of inspection effluent at outfall #001 was clear with no visible suspended solids. Foam was noted at point of discharge but disipated within 2 feet of discharge point. Standby Power Is automatically activated standby power available? Is the generator tested by interrupting primary power source? Is the generator tested under load? Was generator tested & operational during the inspection? Do the generator(s) have adequate capacity to operate the entire wastewater site? Is there an emergency agreement with a fuel vendor for extended run on back-up power? Is the generator fuel level monitored? Comment: Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ ❑ ❑ ■ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ Page# 7