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Home My WebLink AboutNC0023116_Inspection_20231101ROY COOPER Go,ernor ELIZABETH S. BISER Secretnry RICHARD E. ROGERS, JR. Director Chris B Cordon Town of Lewiston -Woodville PO Box 340 Lewiston Woodville, NC 27849 � 1.a SfATF q, NORTH CAROLINA Environmental Quality November 01, 2023 SUBJECT: Compliance Inspection Report Lewiston -Woodville WWTP NPDES WW Permit No. NCO023116 Bertie County Dear Permittee: The North Carolina Division of Water Resources conducted an inspection of the Lewiston -Woodville WWTP on 10/25/2023. This inspection was conducted to verify that the facility is operating in compliance with the conditions and limitations specified in NPDES WW Permit No. NC0023116. The findings and comments noted during this inspection are provided in the enclosed copy of the inspection report entitled "Compliance Inspection Report". If you should have any questions, please do not hesitate to contact Robbie Bullock with the Water Quality Regional Operations Section in the Washington Regional Office at 252-946-6481 or via email at robert.e.bullock@deq.nc.gov. Cc: Laserfiche Sincerely, Zn6vx T"" Robert Tankard, Assistant Regional Supervisor Water Quality Regional Operations Section Washington Regional Office Division of Water Resources, NCDEQ North Carocna DepartmentofErrvlrammental Q�allty I DWAondWater Resources Washington Vt9loml OM=1943 Washinglon 3q— Mall l Washington, North Cardhu 27M wwsnxr.nor.wn� /"� 252.946.6481 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 u 3 I NCO023116 111 121 23/10/25 I17 18 I C I 19 Ls_] 20I 1 I 21111I I I I I I I II I 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 -Monitoring Evaluation Rating B1 QA ---------------------- Reserved ------------------- 67 I 72 I n,J I I I 71 I 74 79 I I I I I I I80 701� I 711 L LJ L 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:OOAM 23/10/25 17/11/01 Lewiston -Woodville WWTP NC Hwy 11 N Exit Time/Date Permit Expiration Date Lewiston Woodville NC 27849 11:30AM 23/10/25 22/10/31 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data Timothy N Mizelle/ORC/252-348-4291/ Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Chris B Cordon,PO Box 340 Lewiston Woodville NC 27849/Mayor/252-348-2824/ No Section C: Areas Evaluated During Inspection (Check only those areas evaluated) Permit 0 Flow Measurement Operations & Maintenar 0 Records/Reports Self -Monitoring Progran 0 Facility Site Review 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 Robert E Bullock DWR/WARO WQ/252-948-3843/ 11 /1 /2023 // Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date PlowT'14. DWR WQRos 252-*485-3921 11/1/2023 EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. Page# NPDES yr/mo/day Inspection Type NCO023116 I11 12I 23/10/25 117 18 i c i (Cont.) Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) The review period for this inspection was November 2018 through August 2023. The facility was issued two Notice of Deficiencies (NOD) over the review period. 1-2020 a NOD was issued for Total Suspended Solids Monthly average violation 7-2020 a NOD was issued for late submittal of DMR The Effluent flow meter had not been calibrated within the last year. Flow measurement devices shall be accurately calibrated at a minimum of once per year. The ORC stated that he will get the flow meter calibrated as soon as possible. Page# Permit: NCO023116 Inspection Date: 10/25/2023 Owner -Facility: Lewiston -Woodville WWTP Inspection Type: Compliance Evaluation 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: 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: Total Phosphorus and Total Nitrogen samples are sent to Waypoint for analysis. All other samples are sent to Perdue Farms for analysis. Permit Yes No NA NE (If the present permit expires in 6 months or less). Has the permittee submitted a new ❑ ❑ ■ ❑ 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? M ❑ ❑ ❑ Comment: The current permit expires August 31, 2028 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)? M ❑ ❑ ❑ Are analytical results consistent with data reported on DMRs? 0 ❑ ❑ ❑ Is the chain -of -custody complete? ■ ❑ ❑ ❑ Dates, times and location of sampling ❑ Name of individual performing the sampling ❑ Results of analysis and calibration ❑ Page# 3 Permit: NCO023116 Owner -Facility: Lewiston -Woodville WWTP Inspection Date: 10/25/2023 Inspection Type: Compliance Evaluation Record Keeping Yes No NA NE 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: Tim Mizelle is the ORC with Robert Harrell as the backup ORC. July 2023 DMR was spot checked for accuracy with no discrepancies found. Influent Sampling Yes No NA NE # Is composite sampling flow proportional? ❑ ■ ❑ ❑ Is sample collected above side streams? ■ ❑ ❑ ❑ 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 sampling performed according to the permit? ■ ❑ ❑ ❑ Comment: A single grab sample is taken for the influent sample Bar Screens Yes No NA NE 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? ■ ❑ ❑ ❑ Page# 4 Permit: NCO023116 Owner -Facility: Lewiston -Woodville WWTP Inspection Date: 10/25/2023 Inspection Type: Compliance Evaluation Bar Screens Yes No NA NE Comment: Grit Removal Yes No NA NE Type of grit removal a.Manual b.Mechanical ❑ Is the grit free of excessive organic matter? ■ ❑ ❑ ❑ Is the grit free of excessive odor? 0 ❑ ❑ ❑ # Is disposal of grit in compliance? 0 ❑ ❑ ❑ Comment: Aeration Basins Yes No NA NE Mode of operation Type of aeration system Diffused Is the basin free of dead spots? ■ ❑ ❑ ❑ Are surface aerators and mixers operational? ❑ ❑ ■ ❑ 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: 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? ❑ ❑ ■ ❑ Comment: Air lift pumps are used for RAS and WAS 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? ■ ❑ ❑ ❑ Are weirs level? 0 ❑ ❑ ❑ Page# 5 Permit: NC0023116 Inspection Date: 10/25/2023 Secondary Clarifier 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? Owner -Facility: Lewiston -Woodville WWTP Inspection Type: Compliance Evaluation Is the return rate acceptable (low turbulence)? Is the overflow clear of excessive solids/pin floc? Is the sludge blanket level acceptable? (Approximately'/4 of the sidewall depth) Comment: Disinfection -Tablet Are tablet chlorinators operational? Are the tablets the proper size and type? 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: 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: Calcium Thiosulfate is used for dechlorination Are tablet de -chlorinators operational? Number of tubes in use? Comment: Flow Measurement - Effluent # Is flow meter used for reporting? Is flow meter calibrated annually? Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ ❑ ❑ ■ Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ K, • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Yes No NA NE Liquid ■ ❑ ❑ ❑ ❑ ❑ ■ ❑ ■ ❑ ❑ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ Yes No NA NE ■ ❑ ❑ ❑ ❑ ■ ❑ ❑ Page# 6 Permit: NCO023116 Owner -Facility: Lewiston -Woodville WWTP Inspection Date: 10/25/2023 Inspection Type: Compliance Evaluation Flow Measurement - Effluent Yes No NA NE Is the flow meter operational? 0 ❑ ❑ ❑ (If units are separated) Does the chart recorder match the flow meter? ❑ ❑ 0 ❑ Comment: The Effluent flow meter was not calibrated within the last year. Flow measurement devices shall be accurately calibrated at a minimum of once per year. 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)? Yes No NA NE ❑ ■ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ■ ❑ ❑ ❑ Comment: Sampler is on constant time and constant volume with a sample taken every hour. 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: The generator is operated weekly Yes No NA NE ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ■ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ■ ❑ ❑ ❑ Page# 7