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HomeMy WebLinkAboutNC0065684_Compliance Evaluation Inspection_20170831Water Resources ENVIRONMENTAL QUALITY August 31, 2017 .h 'N , Thomas J Roberts, President Aqua North Carolina, Inc 202 Mackenan Ct Cary, North Carolina 27511 ROY COOPER Govemor MICHAEL S REGAN Secretary S. JAY ZIMMERMAN Director 1E,CF-WONCDEOID' `lR SEP 0 6 2017 Water Quality Permitting Section SUBJECT Compliance Evaluation Inspection Country Wood WWTP NPDES Permit NCO065684 Union County, NC Dear Mr Roberts On August 17, 2017, 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 facility appeared to be well maintained and operated We wish to thank you and operating staff for your assistance regarding the inspection The enclosed report should be self-explanatory, however, should you have any questions, please do not hesitate to contact myself of Roberto Scheller at (704) 235- 2204 or roberto scheller@ncdenr gov Enclosure Inspection Report cc Keth Shattuck, ORC, email Wastewater Branch File Sincerely, W Corey Basinger, Regional Supervisor Water Quality Regional Operations Section Division of Water Resources, NCDEQ kashattuck@aquaamerica com State of North Carolina I Environmental Quality I Water Resources I Water Quality Regional Operations Mooresville Regional Office) 610 East Center Avenue, Suite 3011 Mooresville, North Carolina 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 1 2 15 I 3 I NCO065684 I11 12 17/08/24 17 18 LCJ 19 I G I 201 211111 1 1 1 1 1 1 II I I I I I I I I I I I I I( I I I I I I I I I II I I I I 1166 Inspection Work Days Facility Self-Monitonng Evaluation Rating B1 QA -- —Reserved ---- 67 70 [, j 71 I 72 N � 73 I I 174 75 80 l -J itJLJ I 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 30AM 17/08/24 16/10/01 Country Wood WWTP NCSR 1004 Exit Time/Date Permit Expiration Date Monroe NC 28110 12 10PM 17/08/24 21/04/30 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data /// Keith Alan Shattuck/ORCJ704-309-1119/ Name, Address of Responsible Officiallritle/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 Scheller MRO WQ//252-946-6481/ fes/ 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 3l A" -2.06-j-' Page# NPDES yr/mo/day 31 NCO065684 I11 12 17/08/24 17 Inspection Type 18 IC Section D Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) 1 Page# 2 Permit. NCO065684 Owner -Facility CountryWood WWTP Inspection Date 08/24/2017 Inspection Type Compliance Evaluation Yes No NA NE Are records kept and maintained as required by the permit? E ❑ Permit Yes No NA NE (If the present permit expires in 6 months or less) Has the permittee submitted anew ❑ ❑ E ❑ application? E ❑ ❑ ❑ 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? N ❑ ❑ ❑ Is the inspector granted access to all areas for inspection? N ❑ ❑ ❑ 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? E ❑ ❑ ❑ Is all required information readily available, complete and current? 0 ❑ ❑ ❑ Are all records maintained for 3 years (lab reg required 5 years)? E ❑ ❑ ❑ 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 COCs Are DMRs complete do they include all permit parameters? 0 ❑ ❑ ❑ Has the facility submitted its annual compliance report to users and DWQ? ❑ ❑ 0 ❑ (If the facility is = or > 5 MGD permitted flow) Do they operate 24/7 with a certified operator ❑ ❑ 0 ❑ 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? N ❑ ❑ ❑ Is a copy of the current NPDES permit available on site? N ❑ ❑ ❑ Facility has copy of previous year's Annual Report on file for review? ❑ ❑ 0 ❑ Comment Compliance review was conducted for the past 12 months of April 2016 throuqh March 2017 One violation was noted for late reporting of DMR on 4-2016 Records reviewed included DMR's, Labatory analysis, Chain -of -Custody, ORC log, operation log, and field equipment calibration for DO, PH, temperature and Cl2 meters Field analysis are peformed under field Lab Certification # 5035 All other analysis are performed by Water Tech Laboratory. Certification #50 Y Page# 3 Permit NCO065684 Inspection Date 08/24/2017 Operations & Maintenance Is the plant generally clean with acceptable housekeeoing? Owner - Facility Country Wood WWTP Inspection Type Compliance Evaluation Does the facility analyze process control parameters, for ex MLSS, MCRT, Settleable Solids, pH, DO, Sludge Judge, and other that are applicable?' Comment At time of Inspection treatment plant appeared to be well operated Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ Equalization Basins Yes No NA NE Is the basin aerated? N ❑ ❑ ❑ Is the basin free of bypass lines or structures to the natural environment? E ❑ ❑ ❑ Is the basin free of excessive grease? E ❑ ❑ ❑ Are all pumps present? 0 ❑ ❑ ❑ Are all pumps operable? ❑ ❑ ❑ N Are float controls operable? ❑ ❑ ❑ E Are audible and visual alarms operable? E ❑ ❑ ❑ # Is basin size/volume adequate? ❑ ❑ ❑ E Comment It was noted at time of Inspection construction was on going to convert 2 treatment units Into equalization basins Construction was being done under Authorization to Construct # 06584A03 (Corrected) effective October 1 2016 A to C Includes mechanical barscreen, grit removal lift station with dual 230 GPM pumps and associated piping and controls Bar Screens Type of bar screen Yes No NA NE a Manual 0 b Mechanical ❑ Are the bars adequately screening debris? ❑ ❑ ❑ 0 Is the screen free of excessive debris? ❑ ❑ ❑ N Is disposal of screening in compliance? ❑ ❑ ❑ 0 Is the unit in good condition? ❑ ❑ ❑ E Comment Construction was ongoing around influent bar screen and was not evaluated during inspection Aeration Basins Yes No NA NE Mode of operation Ext Air Type of aeration system Diffused Is the basin free of dead spots? N ❑ ❑ ❑ Are surface aerators and mixers operatio-ial? ❑ ❑ 0 ❑ Page# 4 Permit NCO065684 Owner - Facility Country Wood WWTP Is the clarifier free of black and odorous wastewater? 0 ❑ Inspection Date 08/24/2017 Inspection Type Compliance Evaluation Is the site free of excessive buildup of solids in center well of circular clarifier? M ❑ Aeration Basins Yes No NA NE 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? ❑ ❑ ❑ N Is the DO level acceptable?(1 0 to 3 0 mg/1) 0 ❑ ❑ ❑ Comment 25% Sodium Hydroxide (NaOH) is being add to the Influent of treatment units for PH adjustment Secondary Clarifier Yes No NA NE Is the clarifier free of black and odorous wastewater? 0 ❑ ❑ ❑ Is the site free of excessive buildup of solids in center well of circular clarifier? M ❑ ❑ ❑ Are weirs level? 0 ❑ ❑ ❑ Is the site free of weir blockage? 0 ❑ ❑ ❑ Is the site free of evidence of short-circuiting? 0 ❑ ❑ ❑ Is scum removal adequate? 0 ❑ ❑ ❑ Is the site free of excessive floating sludge? 0 ❑ ❑ ❑ Is the drive unit operational? N ❑ ❑ ❑ Is the return rate acceptable (low turbulence)? 0 ❑ ❑ ❑ Is the overflow clear of excessive solids/pin floc? M ❑ ❑ ❑ Is the sludge blanket level acceptable? (Approximately % of the sidewall depth) ❑ ❑ ❑ 0 Comment At time of Inspection effluent from secondary clarifiers was clear with few visible suspended solids Yes No NA NE Is the capacity adequate? N ❑ Pumps -IFAS -WAS Yes No NA NE Are pumps in place? 0 ❑ ❑ ❑ Are pumps operational? N ❑ ❑ ❑ Are there adequate spare parts and supplies on site? N ❑ ❑ ❑ Comment RAS and WAS sludge is moved with air lift pumps Aerobic Digester Yes No NA NE Is the capacity adequate? N ❑ ❑ ❑ Is the mixing adequate? 0 ❑ ❑ ❑ Is the site free of excessive foaming in the tank? N ❑ ❑ ❑ # Is the odor acceptable? M ❑ ❑ ❑ Page# 5 Permit NCO065684 Inspection Date 08/24/2017 Aerobic Digester # Is tankage available for properly waste sludge? Owner - Facility CountryWood WWTP Inspection Type Compliance Evaluation Yes No NA NE ■ ❑ ❑ ❑ Comment WAS Is wasted to aerobic digesters and thickened before being removed for disposal by L&L Environmental Services, LLC 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 ;redia? Yes No NA NE N ❑ ❑ ❑ ■ ❑ ❑ ❑ N ❑ ❑ ❑ M ❑ ❑ ❑ ❑ ❑ ❑ ■ ■ ❑ ❑ ❑ Comment Air scour Is operated manually Durinq Inspection effluent from filters was clear with no visible suspended solids Disinfection - UV Yes No NA NE Are extra UV bulbs available on site? N ❑ ❑ ❑ Are UV bulbs clean? N ❑ ❑ ❑ Is UV intensity adequate? 0 ❑ ❑ ❑ Is transmittance at or above designed level? ❑ ❑ ❑ 0 Is there a backup system on site? N ❑ ❑ ❑ Is effluent clear and free of solids? M ❑ ❑ ❑ Comment Effluent at UV was clear with no visible suspended solids Flow Measurement - Influent Yes No NA NE # Is flow meter used for reporting? M ❑ ❑ ❑ Is flow meter calibrated annually? M ❑ ❑ ❑ Is the flow meter operational? M ❑ ❑ ❑ (If units are separated) Does the chart recorder match the flow meter? N ❑ ❑ ❑ Comment Flow Is being measures with an ISCO 4210 flow meter and chart recorder Effluent Sampling Yes No NA NE Is composite sampling flow proportional? 0 ❑ ❑ ❑ Is sample collected below all treatment units? M ❑ ❑ ❑ Page# 6 i Y Permit NCO065684 Owner -Facility. Country Wood WWTP Inspection Date. 08/24/2017 Inspection Type Compliance Evaluation Effluent Sampling Yes No NA NE Is proper volume collected? ❑ ❑ ❑ N 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 N ❑ ❑ ❑ representative)? Comment At the time of Inspection sampler temp was recorded at 3 5 degrees Celsius Effluent at receiving stream was clear with no visible suspended solids Foam was noted at point of discharge but dislpated within several feet of discharge point Page# 7