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HomeMy WebLinkAboutNC0024538_BIMS_20200707United 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 NCO024538 111 121 20/06/24 I17 18 LC] I 19 I s I 20L] 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 I r6 Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA ---------------------- Reserved ------------------- 67 2.0 701d I 71 I„ I 72 I r., I 71 I 74 79 L—I tyI I I I I I I I I80 L-1 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 Dermit Number) 09:45AM 20/06/24 20/03/01 First Broad River WWTP 1940 S Lafayette St Exit Time/Date Permit Expiration Date Shelby NC 28152 11:00AM 20/06/24 24/08/31 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data David W Hux/Director Resources Water/704-484-6840 /7044846808 Steven C Smith/ORC// Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Bradford Carl Greene,PO Box 207 Shelby NC 281510207//704-484-6850/ 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 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 DocuSigned by: Ori A Tuvia ed DW R/M RO WQ/704-663-1699/ 7/ 7/2 02 0 FRR99;Z,A29F!!Q4;�4@@ I ... Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date W. Corey Basinger DWR/Division of Water Quality/704-235-2194/ EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. DocuSigned by: 7/7/2020 aiaccsainFvazs... Page# NPDES yr/mo/day Inspection Type NCO024538 I11 12I 20/06/24 117 18 i c i Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) Page# Permit: NCO024538 Owner -Facility: First Broad River WWTP Inspection Date: 06/24/2020 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 ❑ ❑ ❑ 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 subject permit expires on 8/31/2024. The facility has finished the construction of a new influent screening and pump station. Facility is still in the process of constructing a new digester and storage building to replace the exsiting compost building. 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 24/7 with a certified operatc 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 ■ ❑ ❑ ❑ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ • ❑ ❑ ❑ • ❑ ❑ ❑ ■ ❑ ❑ ❑ ❑ ❑ ❑ ■ ❑ ❑ ■ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ Page# 3 Permit: NCO024538 Inspection Date: 06/24/2020 Record Keeping Owner -Facility: First Broad River WWTP Inspection Type: Compliance Evaluation Yes No NA NE Comment: Due to Covid-19 restrictions. the insDector did not conduct an on -site recored review. The facillity was asked to send the following data for the month February 2020. 1. Lab results, please make sure that the lab results for February 4, 2020 (when the quarterly sampling was done) includes completed Chain of Custody. 2. ORC Log for the month 3. Field parameter results taken including the calibration data. 4. The latest flow meter calibration documentation. the data sent, was complete. Laboratory Yes No NA NE 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? ❑ ❑ ❑ Comment: Due to Covid-19 restrictions, inspector did not conduct an on -site Laboratory revirew Influent Sampling Yes No NA NE # Is composite sampling flow proportional? 0 ❑ ❑ ❑ Is sample collected above side streams? 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 0 ❑ ❑ ❑ Celsius)? Is sampling performed according to the permit? 0 ❑ ❑ ❑ Comment: The subject permit requires influent BOD and TSS composite samples. Effluent Sampling Yes No NA NE Is composite sampling flow proportional? 0 ❑ ❑ ❑ Is sample collected below all treatment units? 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)? Page# 4 Permit: NCO024538 Inspection Date: 06/24/2020 Owner -Facility: First Broad River WWTP Inspection Type: Compliance Evaluation Effluent Sampling Yes No NA NE Is the facility sampling performed as required by the permit (frequency, sampling type 0 ❑ ❑ ❑ representative)? Comment: The subject permit requires composite and grab effluent samples Upstream / Downstream Sampling Yes No NA NE Is the facility sampling performed as required by the permit (frequency, sampling type, an( 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 incorporate a comprehensive process control program with all measurements being Properly documented and maintained on -site. A SCADA system is used to assist the wastewater staff in the operation of the treatment units/processes including alarm conditions. Flow Measurement - Influent # 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? Yes No NA NE ❑ ■ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ ❑ ❑ ■ Comment: The flow meter is calibrated annually and was last calibrated on 6/29/2020 by Fortech. Yes No NA NE Type of bar screen a.Manual b.Mechanical 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: Two new mechanical bar screens (12 MGD and 15 MGD) with back up Manual Screen Page# 5 Permit: NC0024538 Owner -Facility: First Broad River WWTP Inspection Date: 06/24/2020 Inspection Type: Compliance Evaluation 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? 0 ❑ ❑ ❑ Comment: New Pista Grit removal unit. Screenings and grit are disposed at an approved landfill. Pump Station - Influent Is the pump wet well free of bypass lines or structures? Is the wet well free of excessive grease? Are all pumps present? Are all pumps operable? Are float controls operable? Is SCADA telemetry available and operational? Is audible and visual alarm available and operational? Comment: 4 new pumps, and an influent genrator. Primary 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? 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? Is the sludge blanket level acceptable? Is the sludge blanket level acceptable? (Approximately'/ of the sidewall depth) Yes No NA NE ■ ❑ ❑ ❑ ❑ ❑ ❑ ■ • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ ❑ ❑ ■ ■ ❑ ❑ ❑ ❑ ❑ ❑ ■ Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Comment: : Both primaries were operational; however, only one was used in the time of the inspection. Aeration Basins Mode of operation Yes No NA NE Ext. Air Page# 6 Permit: NCO024538 Owner -Facility: Inspection Date: 06/24/2020 Inspection Type: First Broad River WWTP Compliance Evaluation Aeration Basins Yes No NA NE Type of aeration system Diffused Is the basin free of dead spots? 0 ❑ ❑ ❑ Are surface aerators and mixers operational? ❑ ❑ 0 ❑ 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/I) 0 ❑ ❑ ❑ Comment: Three aeration trains with two in operation. 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'/4 of the sidewall depth) 0 ❑ ❑ ❑ Comment: All four secondaries were operational: however, onlv three were in service. 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: Disinfection -Gas Yes No NA NE Are cylinders secured adequately? ❑ ❑ ❑ Are cylinders protected from direct sunlight? ❑ ❑ ❑ Page# 7 Permit: NCO024538 Owner -Facility: First Broad River WWTP Inspection Date: 06/24/2020 Inspection Type: Compliance Evaluation Disinfection -Gas Yes No NA NE 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: Due to Covid-19 restrictions, inspector did not enter closed buildings De -chlorination Yes No NA NE 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: Due to Covid-19 restrictions, inspector did not enter closed buildings Are tablet de -chlorinators operational? ❑ ❑ ❑ 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 ❑ ❑ ❑ (If units are separated) Does the chart recorder match the flow meter? ❑ ❑ ❑ Comment: The flow meter is calibrated annually and was last calibrated on 6/29/2020 by Fortech. Solids Handling Equipment Yes No NA NE Is the equipment operational? 0 ❑ ❑ ❑ Is the chemical feed equipment operational? ❑ ❑ ❑ Is storage adequate? ❑ ❑ ❑ Is the site free of high level of solids in filtrate from filter presses or vacuum filters? ❑ ❑ ❑ Page# 8 Permit: NCO024538 Owner -Facility: Inspection Date: 06/24/2020 Inspection Type: First Broad River WWTP Compliance Evaluation Solids Handling Equipment Yes No NA NE Is the site free of sludge buildup on belts and/or rollers of filter press? ❑ ❑ ❑ Is the site free of excessive moisture in belt filter press sludge cake? ❑ ❑ ❑ The facility has an approved sludge management plan? M ❑ ❑ ❑ Comment: Waste activated sludae is thickened (via two aravitv thickeners) Drior to beina combined with the primary sludge in the aerated sludge holding tank. Both belt presses were operational. Dewatered solids are composted and distributed to the public under the authority of Permit No. WQ0007780. The facility is in the process of building a new digester and storage building to replace the exsiting compost building. 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? 0 ❑ ❑ ❑ Was generator tested & operational during the inspection? ❑ ❑ ❑ Do the generator(s) have adequate capacity to operate the entire wastewater site? 0 ❑ ❑ ❑ Is there an emergency agreement with a fuel vendor for extended run on back-up power? 0 ❑ ❑ ❑ Is the generator fuel level monitored? M ❑ ❑ ❑ Comment: Both backup generators are tested under load annually (minimum) and serviced by a contract company (CAT) quarterly. The facility also participates in a peak shaving program. Page# 9