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Home My WebLink AboutNC0021181_BIMS Compliance Report_20180220United 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 NCO021181 111 12 I 18/02/15 I17 18 i Q i 19 LG] i 201 I 211111 1 1 1 1 1 111 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 111 1 1 1 1 1 166 Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA ----------------------Reserved------------------- 67 2.0 70 71 ty��, 72 I �, I 73 �74 751 I I I 1 1 1 I80 u 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 oermit Number) 09:30AM 18/02/15 06/02/01 Belmont WWTP 298 Parkdale Rd Exit Time/Date Permit Expiration Date Belmont NC 28012 11:45AM 18/02/15 10/06/30 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data Sandra Sue Edwards/ORC/704-825-0510/ Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Barry L Webb,PO Box 431 Belmont NC 280120431/City Manager/704-825-5586/7048250514 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 Maria Schutte Division of Water Quality//704-663-1699) Ori A Tuvia MRO WQ//704-663-1699/ 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. DocuSigned by: A14CC681 AF27425... Page# NPDES yr/mo/day Inspection Type NCO021181 111 121 18/02/15 1 17 18 JBI Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) Split tox samples were taken at the time of the inspection. Page# Permit: NCO021181 Owner - Facility: Belmont WWTP Inspection Date: 02/15/2018 Inspection Type: Bioassay Compliance Yes No NA NE Are records kept and maintained as required by the permit? 0 ❑ Permit Yes No NA NE (If the present permit expires in 6 months or less). Has the permittee submitted a new ❑ ❑ 0 ❑ application? 0 ❑ ❑ ❑ 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? M ❑ ❑ ❑ Is the inspector granted access to all areas for inspection? 0 ❑ ❑ ❑ Comment: The subject permit expired on 6/30/2010; however, the Division received the permit renewal application package on 1/5/2010. The facility continues to adhere to the requirements of this permit until a new permit is reissued. The City implements an approved industrial pretreatment program. 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)? 0 ❑ ❑ ❑ Are analytical results consistent with data reported on DMRs? 0 ❑ ❑ ❑ Is the chain -of -custody complete? 0 ❑ ❑ ❑ Dates, times and location of sampling COC, ORC logs and process control data were reviewed for the period January 2017 Name of individual performing the sampling through November 2017. 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? ❑ ❑ ❑ Is a copy of the current NPDES permit available on site? ❑ ❑ ❑ Facility has copy of previous year's Annual Report on file for review? 0 ❑ ❑ ❑ Comment: The records reviewed during the inspection were organized and well maintained. DMRs, COC, ORC logs and process control data were reviewed for the period January 2017 through November 2017. Page# 3 Permit: NCO021181 Owner - Facility: Belmont WWTP Yes No NA NE # Is composite sampling flow proportional? 0 ❑ Inspection Date: 02/15/2018 Inspection Type: Bioassay Compliance ❑ Is sample collected above side streams? 0 ❑ 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 0 ❑ ❑ ❑ Celsius)? 0 ❑ ❑ ❑ Incubator (Fecal Coliform) set to 44.5 degrees Celsius+/- 0.2 degrees? ❑ ❑ 0 ❑ Incubator (BOD) set to 20.0 degrees Celsius +/- 1.0 degrees? ❑ ❑ 0 ❑ Comment: Influent and effluent analyses (including field) are performed by Shealy Environmental Services, Inc. (Certification #329). ETT Environmental, Inc. (toxicity) has also been contracted to provide analytical support. Influent Sampling Yes No NA NE # Is composite sampling flow proportional? 0 ❑ ❑ ❑ Is sample collected above side streams? 0 ❑ ❑ ❑ Is proper volume collected? 0 ❑ ❑ ❑ 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 sampling performed according to the permit? 0 ❑ ❑ ❑ Comment: The subject permit requires composite BOD and TSS influent samples. Aliquot sampling collected was 150 ml. 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 ■ ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ M ❑ ❑ ❑ ■ ❑ ❑ ❑ Comment: The subject permit requires composite and grab effluent samples. Regular aliquot verfications are performed and documented on both samplers (influent and effluent). Upstream / Downstream Sampling Yes No NA NE Page# 4 Permit: NCO021181 Owner - Facility: Belmont WWTP Inspection Date: 02/15/2018 Inspection Type: Bioassay Compliance Upstream / Downstream Sampling Yes No NA NE Is the facility sampling performed as required by the permit (frequency, sampling type, and 0 ❑ ❑ ❑ sampling location)? Comment: 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: The facility appeared to be properly operated and well maintained. The ORC and staff Yes No NA incorporate a comprehensive process control program with all measurements being ❑ Is flow meter calibrated annually? 0 properly documented and maintained on-site a.Manual ❑ Is the flow meter operational? 0 Bar Screens Yes No NA NE Type of bar screen Is the grit free of excessive organic matter? a.Manual ❑ ❑ ❑ Is the grit free of excessive odor? b.Mechanical 0 ❑ ❑ # Is disposal of grit in compliance? Are the bars adequately screening debris? 0 ❑ ❑ ❑ Is the screen free of excessive debris? 0 ❑ ❑ ❑ Is disposal of screening in compliance? 0 ❑ ❑ ❑ Is the unit in good condition? 0 ❑ ❑ ❑ Comment: Grit Removal Yes No NA NE Type of grit removal ❑ Is flow meter calibrated annually? 0 ❑ a.Manual ❑ Is the flow meter operational? 0 ❑ b.Mechanical 0 Is the grit free of excessive organic matter? 0 ❑ ❑ ❑ Is the grit free of excessive odor? 0 ❑ ❑ ❑ # Is disposal of grit in compliance? 0 ❑ ❑ ❑ Comment: Screenings and grit are disposed at the County Landfill Flow Measurement - Influent Yes No NA NE # Is flow meter used for reporting? ❑ 0 ❑ ❑ Is flow meter calibrated annually? 0 ❑ ❑ ❑ Is the flow meter operational? 0 ❑ ❑ ❑ Page# 5 Permit: NCO021181 Inspection Date: 02/15/2018 Owner - Facility: Belmont WWTP Inspection Type: Bioassay Compliance Flow Measurement - Influent (If units are separated) Does the chart recorder match the flow meter? Yes No NA NE ❑ ❑ ■ ❑ Comment: The influent flow meter is calibrated quarterly and was last calibrated on 2/6/2016 by Ken Nash Company, Inc Aeration Basins Mode of operation Type of aeration system Is the basin free of dead spots? Are surface aerators and mixers operational? Are the diffusers operational? 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? Is the DO level acceptable?(1.0 to 3.0 mg/1) Yes No NA NE Ext. Air Surface Yes No NA NE Is the clarifier free of black and odorous wastewater? • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ ❑ ■ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ ❑ ❑ ■ Comment: The facility is equipped with two aeration basins (inactive aertion basin has been out of service for more then 10 years and would require maintenance): however, only one aeration basin is used due to low influent flows. Sodium hydroxide is added to the influent prior to the aeration basin to maintain appropriate alkalinity/pH levels. 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? 0 ❑ ❑ ❑ 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? 0 ❑ ❑ ❑ Is the return rate acceptable (low turbulence)? 0 ❑ ❑ ❑ Is the overflow clear of excessive solids/pin floc? 0 ❑ ❑ ❑ Is the sludge blanket level acceptable? (Approximately'/ of the sidewall depth) 0 ❑ ❑ ❑ Comment: Both secondaries were operational and in service. Pumps -RAS -WAS Yes No NA NE Are pumps in place? 0 ❑ ❑ ❑ Page# 6 Permit: NCO021181 Owner - Facility: Belmont WWTP Inspection Date: 02/15/2018 Inspection Type: Bioassay Compliance Pumps -RAS -WAS Yes No NA NE Are pumps operational? 0 ❑ ❑ ❑ Are there adequate spare parts and supplies on site? 0 ❑ ❑ ❑ Comment: Disinfection -Gas Yes No NA NE Are cylinders secured adequately? 0 ❑ ❑ ❑ Are cylinders protected from direct sunlight? 0 ❑ ❑ ❑ 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 -chlorination? 0 ❑ ❑ ❑ Does the Stationary Source have more than 2500 lbs of Chlorine (CAS No. 7782-50-5)? 0 ❑ ❑ ❑ If yes, then is there a Risk Management Plan on site? 0 ❑ ❑ ❑ If yes, then what is the EPA twelve digit ID Number? (1000-_-_) 100000007244 If yes, then when was the RMP last updated? Comment: The chlorination and dechlorination systems are serviced annually by a contracted company, last serviced on 4/16/2017. 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? 0 ❑ ❑ ❑ # Is de -chlorination substance stored away from chlorine containers? 0 ❑ ❑ ❑ Comment: Are the tablets the proper size and type? ❑ ❑ 0 ❑ Are tablet de -chlorinators operational? ❑ ❑ 0 ❑ Number of tubes in use? 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 ❑ ❑ ❑ Page# 7 Permit: NCO021181 Inspection Date: 02/15/2018 Flow Measurement - Effluent Owner - Facility: Belmont WWTP Inspection Type: Bioassay Compliance (If units are separated) Does the chart recorder match the flow meter? Yes No NA NE ❑ ❑ ■ ❑ Comment: The effluent flow meter is calibrated auarterly and was last calibrated on 2/6/2018 by Ken Nash Company, Inc Yes No NA NE Is the capacity adequate? 0 ❑ Effluent Pipe Yes No NA NE Is right of way to the outfall properly maintained? 0 ❑ ❑ ❑ Are the receiving water free of foam other than trace amounts and other debris? 0 ❑ ❑ ❑ If effluent (diffuser pipes are required) are they operating properly? ❑ ❑ 0 ❑ Comment: The effluent appeared clear with no floatable solids or foam. Aerobic Digester Yes No NA NE Is the capacity adequate? 0 ❑ ❑ ❑ Is the mixing adequate? 0 ❑ ❑ ❑ Is the site free of excessive foaming in the tank? 0 ❑ ❑ ❑ # Is the odor acceptable? 0 ❑ ❑ ❑ # Is tankage available for properly waste sludge? 0 ❑ ❑ ❑ Comment: The facility is equipped with two aerobic digestors and a sludge holding tank. The drying beds have been taken out of service for several years. Digested bio -solids are land applied by a contract company under the authority of Permit No. WQ0003281. 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? I[TR'I,SMz►_'MzI=111111 ■ ❑ ❑ ❑ M ❑ ❑ ❑ ■ ❑ ❑ ❑ ❑ ❑ ❑ ■ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Comment: The facility is equipped with one standby -generator that is tested weekly and put under load monthly. The City also participates in the load management program. Page# 8