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Home My WebLink AboutNC0020648_Inspection_20230203ROY COOPER Ca errtor ELIZABETH S. BISER Secretary RICHARD E. ROGERS, JR. Director Jonathan Russell City of Washington PO Box 1988 Washington, NC 27889-1988 � 1.a SfATF q, � awM ✓�` NORTH CAROLINA Environmental Quality February 03, 2023 SUBJECT: Compliance Inspection Report Washington WWTP NPDES WW Permit No. NCO020648 Beaufort County Dear Permittel The North Carolina Division of Water Resources conducted an inspection of the Washington WWTP on 1/31/2023. This inspection was conducted to verify that the facility is operating in compliance with the conditions and limitations specified in NPDES WW Permit No. NC0020648. 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@ncdenr.gov. ATTACHMENTS Cc: Laserfiche Sincerely, Robert Tankard, Assistant Regional Supervisor Water Quality Regional Operations Section Washington Regional Office Division of Water Resources, NCDEQ mlora„D �� North Carocna Department afErrvlrammental Qaallty I DWAon ofwaterP sources Washington VNg ml0M= 1943Washinglon3gvarc Mall I Washington, North Carolina 27M 252.9464481 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 NCO020648 111 121 23/01/31 I17 18 I C I 19 Ls_] 20I � 211111 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 I r6 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) 09:OOAM 23/01/31 21/07/01 Washington WWTP 1399 W Second St Exit Time/Date Permit Expiration Date Washington NC 27889 10:30AM 23/01/31 25/11/30 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data Lonnie Isaiah Woo lard/ORC/252-927-9374/ Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Jonathan Russell,PO Box 1988 Washington NC 278891988/City Manager/252-975-9319/ No Section C: Areas Evaluated During Inspection (Check only those areas evaluated) Permit 0 Flow Measurement Operations & Maintenar Records/Reports Self -Monitoring Progran 0 Sludge Handling Dispo: 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 �g66c� �ugC1� DWR/WARO WQ/252-948-3843/ 2/3/2023 Aflred J Discepolo DWR/WARO WQ/252-948-3911/ Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date Plow Tom. NCDWR WQROs/ 252-948-3921 2/3/2023 EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. Page# NPDES yr/mo/day Inspection Type NCO020648 I11 12I 23/01 /31 117 18 i c i Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) The review period for this inspection was December 2020 through November 2022. Two Notice of Deficiencies were issued for Flow violations over the review period. The facility appeared to be well maintained and operated and was judged to be Compliant with NPDES permit NC0020648. Page# Permit: NCO020648 Inspection Date: 01/31/2023 Owner -Facility: Washington 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: 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? ■ ❑ ❑ ❑ Is access to the plant site restricted to the general public? 0 ❑ ❑ ❑ Is the inspector granted access to all areas for inspection? ❑ ❑ ❑ Comment: The current permit is effective until November 30, 2025. 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 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? Page# 3 Permit: NCO020648 Owner -Facility: Inspection Date: 01/31/2023 Inspection Type: Washington WWTP Compliance Evaluation Record Keeping Yes No NA NE Is a copy of the current NPDES permit available on site? 0 ❑ ❑ ❑ Facility has copy of previous year's Annual Report on file for review? 0 ❑ ❑ ❑ Comment: Lonnie Woolard is the ORC with Hope Woolard and Wayne Black as the Backup ORC's. The April 2022 DMR was spot checked for accuracy with no discrepancies found. 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 Celsius)? Incubator (Fecal Coliform) set to 44.5 degrees Celsius+/- 0.2 degrees? ❑ ❑ ❑ ■ Incubator (BOD) set to 20.0 degrees Celsius +/- 1.0 degrees? ❑ ❑ ❑ ■ Comment: Metal samples are sent to Environment 1 for analysis. All other samples are analyzed in house at the onsite certified lab. 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? 0 ❑ ❑ ❑ Is disposal of screening in compliance? 0 ❑ ❑ ❑ Is the unit in good condition? 0 ❑ ❑ ❑ Comment: Screenings are disposed of in the landfill. Grit Removal Yes No NA NE Type of grit removal a.Manual ❑ b.Mechanical Is the grit free of excessive organic matter? 0 ❑ ❑ ❑ Is the grit free of excessive odor? 0 ❑ ❑ ❑ # Is disposal of grit in compliance? ■ ❑ ❑ ❑ Page# 4 Permit: NCO020648 Inspection Date: 01/31/2023 Grit Removal Comment: Grit is disposed of in the landfill. Influent Sampling # Is composite sampling flow proportional? Is sample collected above side streams? Owner -Facility: Washington WWTP Inspection Type: Compliance Evaluation 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? Yes No NA NE Yes No NA NE ❑ ■ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Comment: Influent sampler is on constant time and constant volume with a sample taken every 15 minutes. Sampler temperature was 3 degrees on the day of inspection. Oxidation Ditches Are the aerators operational? Are the aerators free of excessive solids build up? # Is the foam the proper color for the treatment process? Does the foam cover less than 25% of the basin's surface? Is the DO level acceptable? Are settleometer results acceptable (> 30 minutes)? Is the DO level acceptable?(1.0 to 3.0 mg/1) Are settelometer results acceptable?(400 to 800 ml/I in 30 minutes) Comment: Aerobic Digester Is the capacity adequate? Is the mixing adequate? Is the site free of excessive foaming in the tank? # Is the odor acceptable? # Is tankage available for properly waste sludge? Comment: On the day of inspection the air was off to allow the solids to settle Yes No NA NE ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ❑ ❑ ❑ ■ ❑ ❑ ❑ ❑ ❑ ❑ ■ Yes No NA NE ■ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ Page# 5 Permit: NC0020648 Owner -Facility: Washington WWTP Inspection Date: 01/31/2023 Inspection Type: Compliance Evaluation Lagoons Yes No NA NE Type of lagoons? # Number of lagoons in operation at time of visit? Are lagoons operated in? # Is a re -circulation line present? ❑ ❑ 0 ❑ Is lagoon free of excessive floating materials? 0 ❑ ❑ ❑ # Are baffles between ponds or effluent baffles adjustable? ❑ ❑ 0 ❑ Are dike slopes clear of woody vegetation? ■ ❑ ❑ ❑ Are weeds controlled around the edge of the lagoon? 0 ❑ ❑ ❑ Are dikes free of seepage? 0 ❑ ❑ ❑ Are dikes free of erosion? 0 ❑ ❑ ❑ Are dikes free of burrowing animals? 0 ❑ ❑ ❑ # Has the sludge blanket in the lagoon (s) been measured periodically in multiple ❑ ❑ 0 ❑ locations? # If excessive algae is present, has barley straw been used to help control the growth? ❑ ❑ 0 ❑ Is the lagoon surface free of weeds? 0 ❑ ❑ ❑ Is the lagoon free of short circuiting? 0 ❑ ❑ ❑ Comment: The lagoons are used to hold sludge prior to land application Secondary Clarifier Yes No NA NE 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? 0 ❑ ❑ ❑ Is the site free of weir blockage? 0 ❑ ❑ ❑ Is the site free of evidence of short-circuiting? 0 ❑ ❑ ❑ Is scum removal adequate? ■ ❑ ❑ ❑ Is the site free of excessive floating sludge? 0 ❑ ❑ ❑ Is the drive unit operational? 0 ❑ ❑ ❑ 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: Pumps-RAS-WAS Yes No NA NE Page# 6 Permit: NCO020648 Inspection Date: 01/31/2023 Owner -Facility: Washington WWTP Inspection Type: Compliance Evaluation 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: Filtration (High Rate Tertiary) Yes No NA NE Type of operation: Down flow Is the filter media present? 0 ❑ ❑ ❑ Is the filter surface free of clogging? 0 ❑ ❑ ❑ Is the filter free of growth? M ❑ ❑ ❑ Is the air scour operational? ❑ ❑ ❑ Is the scouring acceptable? ❑ ❑ ❑ Is the clear well free of excessive solids and filter media? ❑ ❑ ❑ Comment: Flow Measurement - Effluent Yes No NA NE # Is flow meter used for reporting? 0 ❑ ❑ ❑ Is flow meter calibrated annually? 0 ❑ ❑ ❑ Is the flow meter operational? 0 ❑ ❑ ❑ (If units are separated) Does the chart recorder match the flow meter? ❑ ❑ ❑ Comment: BBP calibrated the effluent flow meter on July 19, 2022. Disinfection -Liquid Yes No NA NE Is there adequate reserve supply of disinfectant? 0 ❑ ❑ ❑ (Sodium Hypochlorite) Is pump feed system operational? M ❑ ❑ ❑ Is bulk storage tank containment area adequate? (free of leaks/open drains) ❑ ❑ ❑ Is the level of chlorine residual acceptable? 0 ❑ ❑ ❑ Is the contact chamber free of growth, or sludge buildup? ■ ❑ ❑ ❑ Is there chlorine residual prior to de -chlorination? 0 ❑ ❑ ❑ Comment: De -chlorination Yes No NA NE Type of system ? Liquid Page# 7 Permit: NCO020648 Owner -Facility: Inspection Date: 01/31/2023 Inspection Type: Washington WWTP Compliance Evaluation De -chlorination Yes No NA NE 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 ❑ ❑ Are the tablets the proper size and type? ❑ ❑ 0 ❑ Comment: Sodium Bisulfite is used for dechlor Are tablet de -chlorinators operational? ❑ ❑ ■ ❑ Number of tubes in use? Comment: Effluent Sampling Yes No NA NE Is composite sampling flow proportional? ■ ❑ ❑ ❑ Is sample collected below all treatment units? 0 ❑ ❑ ❑ Is proper volume collected? 0 ❑ ❑ ❑ 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 0 ❑ ❑ ❑ representative)? Comment: The sampler temperature was 3 degrees on the day of inspection. Pump Station - Effluent Yes No NA NE Is the pump wet well free of bypass lines or structures? 0 ❑ ❑ ❑ Are all pumps present? 0 ❑ ❑ ❑ Are all pumps operable? 0 ❑ ❑ ❑ Are float controls operable? ■ ❑ ❑ ❑ Is SCADA telemetry available and operational? ❑ ❑ 0 ❑ Is audible and visual alarm available and operational? ❑ ❑ ❑ Comment: Standby Power Yes No NA NE Is automatically activated standby power available? 0 ❑ ❑ ❑ Is the generator tested by interrupting primary power source? 0 ❑ ❑ ❑ Is the generator tested under load? ■ ❑ ❑ ❑ Page# 8 Permit: NC0020648 Inspection Date: 01/31/2023 Owner -Facility: Washington WWTP Inspection Type: Compliance Evaluation Standby Power 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: There are 2 generators onsite that power the WWTP. Yes No NA NE ❑ ■ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ Page# 9