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HomeMy WebLinkAboutNC0031828_Compliance Report_20210317United States Environmental Protection Agency E PA Washington, D.C. 20460 Water Compliance Inspection Report Form Approved. OMB No. 2040-0057 Approval expires 8-31-98 Section A: National Data System Coding (i.e., PCS) Transaction Code NPDES yr/mo/day Inspection 1 IN I 2 IL I 3 I NC0031828 111 121 21/02/25 117 Type 18 H IIIIIIIII1I Inspector Fac Type 19 I S I 201 I 21IIIIII IIIIIIIIIIIIIIIIII I IIIIII P6 Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA Reserved 671 I 70I3 I 711 1 72 I N I 731 I 74 71 I I 1 1 1 1 1 1 180 Section B: Facility Data Name and Location of Facility Inspected (For Industrial Users discharging to POTW, also include POTW name and NPDES permit Number) Vanceboro WWTP US Hwy 17 Business Vanceboro NC 28586 Entry Time/Date 09:OOAM 21/02/25 Permit Effective Date 18/12/01 Exit Time/Date 10:OOAM 21/02/25 Permit Expiration Date 23/04/30 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 Chad Braxton,PO Box 306 Vanceboro NC 285860306//252-244-0919/ No Section C: Areas Evaluated During Inspection (Check only those areas evaluated) Permit Flow Measurement Operations & Maintenar Records/Reports Self -Monitoring Progran Sludge Handling DispoFacility 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 Robert B Tankard DWR/WARO WQ/252-946-6481 Ext.233/ Victoria Herdt DWR/WARO WQ/252-948-3911/ !/GC 4Gp C 7/44. i- 03/17/2021 Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. Page# 1 31 NPDES yr/mo/day NC0031828 111 121 21/02/25 117 Inspection Type 18 [j (Cont.) 1 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 02/25/2021 by V.Herdt and R.Tankard w/ WaRO - WQROS. Also present during the inspection was Vernon Edwards (ORC) and JOHN Raines (Backup ORC). DMRs for June 2020 and November 2020 were spot checked and compared to lab data. Data on DMRs were consistant with that presented on lab reports. Oxidation motor not functioning during inspection. Update 3/17/2021 Vernon Edwards (ORC) confirmec motor was fixed with new belt from electrician. Large main Clarifier sweep appears rusted. Facility has ordered new equipment and it should be replaced as soon as they can get someone to install it. Last recorded time sludge was removed was April 2020. Informed ORC to record sludge removal in the future. THe facility is considured to be currently compliant with Permit # NC0031828 Page# 2 Permit: NC0031828 Inspection Date: 02/25/2021 Owner - Facility: Vanceboro WWTP Inspection Type: Compliance Evaluation Permit (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? # Are there any special conditions for the permit? Is access to the plant site restricted to the general public? Is the inspector granted access to all areas for inspection? Comment: Permit expires April 30, 2023. Yes No NA NE ❑ ❑ • ❑ • ❑ ❑ ❑ Record Keeping Yes No NA NE 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 24/7 with a certified operatc DOME 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' MODE 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: DMRs for June 2020 and November 2020 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 Is the plant generally clean with acceptable housekeeping? • ❑ ❑ ❑ Page# 3 Permit: NC0031828 Inspection Date: 02/25/2021 Owner - Facility: Vanceboro WWTP Inspection Type: Compliance Evaluation Operations & Maintenance 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? Bar Screens 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? Comment: 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/I) Are settelometer results acceptable?(400 to 800 ml/I in 30 minutes) Yes No NA NE • ❑ ❑ ❑ Yes • • • • No NA NE ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ pH TEMP DO an< effluent sampler Yes No NA NE Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • Comment: Laboratory Certification # 5563. They are field parameter certified for TRC SETT. The influent sampler temperature was observed at 4 degree C. The temperature was observed at 4 degrees C. Page# 4 Permit: NC0031828 Inspection Date: 02/25/2021 Owner - Facility: Vanceboro WWTP Inspection Type: Compliance Evaluation Oxidation Ditches Yes No NA NE Comment: Oxidation motor not functioning during inspection. The drive motor switch was not on at time of inspection. When ORC turned motor on, the motor would function in hight speed but not in low speed. The motor needs a electrician to fix the issue. ORC stated he would get someone to come out and look at the motor. Update 3/17/2021 ORC confirmed motor was fixed with new belt from electrician. Disinfection -Gas Are cylinders secured adequately? Are cylinders protected from direct sunlight? Is there adequate reserve supply of disinfectant? 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? 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? If yes, then what is the EPA twelve digit ID Number? (1000- If yes, then when was the RMP last updated? Comment: Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ • ❑ De -chlorination Yes No NA NE Type of system ? Gas 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: Sulfur Dioxide is being used. Are tablet de -chlorinators operational? ❑ ❑ • ❑ Number of tubes in use? Comment: 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? Yes No NA NE ▪ El El El Page# 5 Permit: NC0031828 Inspection Date: 02/25/2021 Owner - Facility: Vanceboro WWTP Inspection Type: Compliance Evaluation Secondary Clarifier Yes No NA NE Is the site free of weir blockage? • ❑ ❑ ❑ Is the site free of evidence of short-circuiting? • ❑ ❑ ❑ Is scum removal adequate? • El El El Is the site free of excessive floating sludge? • El El El 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'/4 of the sidewall depth) • ❑ ❑ ❑ Comment: Large main Clarifier sweep appears rusted, recommend replacing soon. ORC did state that they have ordered new equipment and it should be replaced as soon as they can get someone to install it. The sludge blanketw were acceptable in two of the three clarifiers. One clarifier had approximately seven feet. This clarifier's sludge needed to be wasted or returned. 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: Digester is not currently listed in the permit. 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: Pumps-RAS-WAS Are pumps in place? Are pumps operational? Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ Yes No NA NE • ❑ ❑ ❑ Page# 6 Permit: NC0031828 Inspection Date: 02/25/2021 Owner - Facility: Vanceboro WWTP Inspection Type: Compliance Evaluation Pumps-RAS-WAS Are there adequate spare parts and supplies on site? Comment: Influent Sampling # 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: The temp inside sampler was 4 degrees C at time of inspection. 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)? Comment: The temp inside sampler was 4 degrees C at time of inspection. Yes No NA NE Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Flow Measurement - Effluent Yes No NA NE # Is flow meter used for reporting? • ❑ ❑ ❑ Is flow meter calibrated annually? • ❑ ❑ ❑ Is the flow meter operational? • ❑ ❑ ❑ (If units are separated) Does the chart recorder match the flow meter? ❑ ❑ El • Comment: The flow meter was calibrated by Chadwick on 5/26/2020. Drying Beds Is there adequate drying bed space? Is the sludge distribution on drying beds appropriate? Yes No NA NE Page# 7 Permit: NC0031828 Inspection Date: 02/25/2021 Owner - Facility: Vanceboro WWTP Inspection Type: Compliance Evaluation Drying Beds Are the drying beds free of vegetation? # Is the site free of dry sludge remaining in beds? Is the site free of stockpiled sludge? Is the filtrate from sludge drying beds returned to the front of the plant? # Is the sludge disposed of through county landfill? # Is the sludge land applied? (Vacuum filters) Is polymer mixing adequate? Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ • ❑ ❑ Comment: Last recorded time sludge was removed was April 2020. Informed ORC to record sludge removal in the future. Page# 8