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Home My WebLink AboutNC0031828_Compliance Report_20230914ROY COOPER cmvteor EUUZABEM S. MER •�, ory RICHARD E. ROGER& JR. NORTH CAROUNA Dlr.+Cor FnvlronmernW Quato Certified Mail # 7022 1670 0000 9974 4220 Return Receip#$fues •edt September 14, 2023 Chad Braxton Town of Vanceboro PO Box 306 Vanceboro, NC 28586-0306 SUBJECT: Compliance Inspection Report Vanceboro WWTP NPDES WW Permit No. NC0031828 Craven County Dear Mr. Braxton: The North Carolina Division of Water Resources conducted an inspection of the Vanceboro WW TP on 8/17/2023. This inspection was conducted to verify that the facility is operating in compliance with the conditions and limitations specified in NPDES WW Permit No. NC0031828. The findings and comments noted during this inspection are provided in the enclosed copy of the inspection report entitled "Compliance Inspection Report". There were no significant issues or findings noted during the inspection and therefore, a response to this inspection report is not required. If you should have any questions, please do not hesitate to contact me with the Water Quality Regional Operations Section in the Washington Regional Office at 252-946-6481 or via email at victoda.herdt@deq.nc.gov. ATTACHMENTS Cc: Laserfiche Sincerely, Victoria Herdt, Environmental Specialist II Water Quality Regional Operations Section Washington Regional Office Division of Water Resources, NCDEQ korth C+vau Dep..oa+td 6ai�ncAJ Qa�) I D.+—aW—t— w�,.w.y��e�y�..ioa� i witu.bgaosq.�.u,e I �ral�q�ailb�Yrad.nzleE9 az++ewa United States Environmental Protection Agency Form Approved. EPA Wmhington, 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 IF I 3' I NC0031828 I11 121 23/08/17 I17 181r.1 19I s I 201 I 21III1 I I I I I III I1 I I I I I I I I I I I I I I I I I I I I III I I I I I r6 Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA Raser�a: I 72 I ti I 731 .I 174 7 I I I I I I I I80 67 701 I 71IuL J I I I l� Section B: Facility Data Name and Location of Facility Inspected (For Industrial Users discharging to POTW, also Include Entry Tlme/Date Permit Effective Date POTW name and NPDES permit Number) 09:30AM 23/08/17 18/12/01 Vanceboro VVVVTP Exit Time/Date Permit Expiration Date US Hwy 17 Business Vanceboro NC 28586 10:30AM 23/08/17 23/04130 Name(s) of Onsfte Representffiive(s)/Tities(s)[Phone and Fax Number(s) Other Facility Data /// Vernon McCoy Edwards/ORC/252-244-0919/ Name, Address of Responsible Officlalffltie/Phone and Fax Number Contacted Chad Braxton,PO Box 306 Vanceboro NC 2WI360306//252-244-0919/ No Section C: Areas Evaluated During Inspection (Check only those areas evaluated) Permit N Flow Measurement Operations & Malntenar Records/Reports Self -Monitoring Progran E Sludge Handling DispoE Facility Site Review Effluent/Receiving Wate 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 Victoria Herdt C yyuc oa%a= DWR/WARO VVQ/252-948-3911/ Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date RA"TAO." DWR WQROS WARD 252-498-3921 9/14/2023 EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. Page# NPDES yr/mo/day Inspection Type I NC0031828 I11 1 231=1 7 17 18 I j I Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) A compliance inspection was preformed at the facilites covered under permit # NC0031828 on 08/17/2023 by V.Herd w/ WaRO - DWR - WQROS. Also present during the inspection was Vernon Edwards (ORC). The temp inside the influent sampler was 15 degrees C at time of inspection, informed ORC the fridge needs to be fixed so that temp is at or below 6 degrees C. The facility is considured to be compliant with Permit # NC0031828 Page# Permit NCO031828 Owner - Facility: Vanceboro WWTP Inspection Date: 08/17/2023 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? ❑ ■ ❑ ❑ # 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 April 30, 2023, a renewal application was rubmitted. Need to add a Digester to new permit Record Keeping Are records kept and maintained as required by the permit? Is all required information readily available, complete and current? Are all records maintained for 3 years (lab. reg. required 5 years)? Are analytical results consistent with data reported on DMRs? Is the chain -of -custody complete? 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 24f7 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? Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ ■ ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ 11 El El El El ■ ❑ ❑ ❑ ❑ ❑ M ❑ ❑ ❑ E ❑ • ❑ ❑ ❑ ■ ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ ❑ ❑ Comment: DMRs for March 2022 and July 2022 were spot checked and compared to lab data. Data on DMRs were consistent with that presented on lab reports Operations & Maintenance Yes No NA NE Page# 3 Permit NCO031828 Owner - Facility: VancebM WWTP inspection Date: 08/17/2023 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 E ❑ ❑ ❑ Solids, pH, DO, Sludge Judge, and other that are applicable? Comment: 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? M ❑ ❑ ❑ Is the unit in good condition? 0 ❑ ❑ ❑ Comment: Oxidation Ditches Yes No NA NE Are the aerators operational? 0 ❑ ❑ ❑ Are the aerators free of excessive solids build up? 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 Are settleometer results acceptable (> 30 minutes)? ❑ ❑ ❑ E Is the DO level acceptable?(1.0 to 3.0 mg/1) ❑ ❑ ❑ ■ Are settelometer results acceptable?(400 to 800 mUl in 30 minutes) ❑ ❑ ❑ Comment: Disinfection -Gas Yes No NA NE Are cylinders secured adequately? 0 ❑ ❑ ❑ 1 Are cylinders protected from direct sunlight? N ❑ ❑ ❑ Is there adequate reserve supply of disinfectant? 0 ❑ ❑ ❑ Is the level of chlorine residual acceptable? 0 ❑ ❑ ❑ Is the contact chamber free of growth, or sludge buildup? 0 ❑ ❑ ❑ Is there chlorine residual prior to de-Ghlorination? N ❑ ❑ ❑ Page# 4 Permit NG0031828 Owner - Facility: Vanceboro VVKrP Inspection Date: 08/17/2023 Inspection Type: Compllance Evaluation Disinfection -Gas Yes No NA NE Does the Stationary Source have more than 2500 Ibs of Chlorine (CAS No. ❑ ❑ ■ ❑ 7782-50-5)? If yes, then is there a Risk Management Plan on site? ❑ ❑ 0 ❑ If yes, then what is the EPA twelve digit ID Number? (1000- -_) If yes, then when was the RMP last updated? Comment: De -chlorination Yes No NA NE Type of system ? Gas Is the feed ratio proportional to chlorine amount (1 to 1)? 0 ❑ ❑ ❑ Is storage appropriate for cylinders? N ❑ ❑ ❑ # Is de -chlorination substance stored away from chlorine containers? 0 ❑ ❑ ❑ Are the tablets the proper size and type? ❑ ❑ 0 ❑ Comment: Sulfur Dioxide is being used. Are tablet de -chlorinators operational? ❑ ❑ 0 ❑ Number of tubes in use? Comment: Secondary Clarifler 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? N ❑ ❑ ❑ Are weirs level? N ❑ ❑ ❑ Is the site free of weir blockage? ■ ❑ ❑ ❑ Is the site free of evidence of short-circuiting? N ❑ ❑ ❑ Is scum removal adequate? E ❑ ❑ ❑ Is the site free of excessive floating sludge? 0 ❑ ❑ ❑ Is the drive unit operational? ■ ❑ ❑ ❑ Is the return rate acceptable (low turbulence)? 0 ❑ ❑ ❑ Is the overflow clear of excessive solids/pin floc? N ❑ ❑ ❑ Is the sludge blanket level acceptable? (Approximately Y4 of the sidewall depth) N ❑ ❑ ❑ Comment: Aerobic Dialester Yes No NA NE Page# 5 Permit NCO031828 Inspection Date: 0&1712023 Owner - Faculty: Venceboro VVVVfP Inapectlon Type: Compllance Evaluation Aerobic Dluester Yes No NA NE Is the capacity adequate? ■ ❑ ❑ ❑ Is the mixing adequate? 0 ❑ ❑ ❑ Is the site free of excessive foaming in the tank? N ❑ ❑ ❑ # Is the odor acceptable? N ❑ ❑ ❑ # Is tankage available for properly waste sludge? ■ ❑ ❑ ❑ Comment: Digester is not currently listed in the permit Standby Power Yes No NA NE Is automatically activated standby power available? ■ ❑ ❑ ❑ Is the generator tested by Interrupting primary power source? 0 ❑ ❑ ❑ Is the generator tested under load? ❑ ❑ ❑ Was generator tested & operational during the inspection? ❑ ❑ ❑ 0 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? M ❑ ❑ ❑ Comment: Pumps-RAS-WAS Yee No NA NE Are pumps in place? 0 ❑ ❑ ❑ Are pumps operational? ■ ❑ ❑ ❑ Are there adequate spare parts and supplies on site? ❑ ❑ ❑ Comment: Influent Sampllna Yes No NA NE # Is composite sampling flow proportional? ■ ❑ ❑ ❑ Is sample collected above side streams? M ❑ ❑ ❑ Is proper volume collected? ■ ❑ ❑ ❑ Is the tubing clean? 0 ❑ ❑ ❑ # Is proper temperature set for sample storage (kept at less than or equal to 6.0 ❑ 0 ❑ ❑ degrees Celsius)? Is sampling performed according to the permit? ■ ❑ ❑ ❑ Comment: The temp inside sampler was 15 degrees Cat time of inspection, informed ORC the fridge needs to be fixed so that temp is at or below 6 decrees C. Page# 6 Permit N00031828 Owner - Facility: Vanceboro W1NTP Inspection Data: 08/17/2023 Inspection Type: Compliance Evaluation Effluent Samplina Yes No NA NE Is composite sampling flow proportional? N ❑ ❑ ❑ Is sample collected below all treatment units? 0 ❑ ❑ ❑ Is proper volume collected? M ❑ ❑ ❑ Is the tubing clean? 0 ❑ ❑ ❑ # 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 M ❑ ❑ ❑ representative)? Comment: The temp inside sampler was 6 degrees C at time of inspection Flow Measurement - Effluent Yes No NA NE # Is flow meter used�for reporting? ■ ❑ ❑ ❑ Is flow meter calibrated annually? 0 ❑ ❑ ❑ Is the flow meter operational? ■ ❑ ❑ ❑ (If units are separated) Does the chart recorder match the flow meter? ❑ ❑ ❑ Comment: The flow meter was calibrated by Chadwick on 6/8/2023, Dryina Beds Yes No NA NE Is there adequate drying bed space? ■ ❑ ❑ ❑ Is the sludge distribution on drying beds appropriate? ■ ❑ , ❑ ❑ Are the drying beds free of vegetation? N ❑ ❑ ❑ # Is the site free of dry sludge remaining in beds? ■ ❑ ❑ ❑ Is the site free of stockpiled sludge? M ❑ ❑ ❑ Is the filtrate from sludge drying beds returned to the front of the plant? 0 ❑ ❑ ❑ # Is the sludge disposed of through county landfill? 0 ❑ ❑ ❑ # Is the sludge land applied? ❑ ■ ❑ ❑ (Vacuum filters) Is polymer mixing adequate? ❑ ❑ 0 ❑ Comment: Last recorded time sludge was removed was July 2023, ORC had Iog book of previous records of sludge removal since last inspection. Page# 7