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Home My WebLink AboutNC0024333_CEI BIMS_20210129 (2)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 15 1 3 I NCO024333 I11 121 21/01/29 I17 18 I,- I 19 I G I 201 2111111�-1111111111111111111111111111111111111 f6 Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 CA ---------------------- Reserved ------------------- 67 701LJ � I 71 I tyI 72 I Ln, I 73LLI74 71 I I I I I I I80 J 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) 09:52AM 21/01/29 20/08/01 Monroe WWTP 775 Treeway Dr Exit Time/Date Permit Expiration Date Monroe NC 28110 12:12PM 21/01/29 25/01/31 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data Kyle P Ketchum/ORC/704-282-4612/ Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Kyle Ketchum,PO Box 69 Monroe NC 281110069//704-282-4612/7042832820 Yes 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 Dispos 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: Roberto Scheller DWR/MRO WQ/252-946-6481/ 2/5/2021 E 43E... 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. Page# NPDES yr/mo/day Inspection Type (Cont.) 31 NCO024333 I11 12I 21/01/29 I17 18ICI Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) Facility is a 10.4 MGD extended air WWTP consisting of: - 2 influent pump stations with 6 influent pumps - 2 mechanical rotary screens - Flow EQ - 5 activated sludge fine bubble aeration basins - 4 secondary clarifiers - 6 sand filters - sludge drying beds being used for storage pads - filter press Permit became effective August 1, 2020 and expires on January 31, 2025. Yearly average flow for 2020 was caculated at 7.29 MGD which is at 70.09% of permitted flow. The Compliance History for 12 month period in 2020 facility reported Monthly Average violations for BOD and Flow during the month of May 2020. Facility reported 14.88 inches of rain for the month of May 2020. Page# Permit: NCO024333 Owner -Facility: Monroe VVVVTP Inspection Date: 01/29/2021 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? 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? 0 ❑ ❑ ❑ Comment: Permit became active on August 1, 2020 for continued operation of 10.4 MGD WWTP. Permit expires on January 31, 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)? 0 ❑ ❑ ❑ 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 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? 0 ❑ ❑ ❑ Facility has copy of previous year's Annual Report on file for review? 0 ❑ ❑ ❑ Comment: Laboratory Yes No NA NE Are field parameters performed by certified personnel or laboratory? 0 ❑ ❑ ❑ Page# 3 Permit: NCO024333 Owner -Facility: Monroe VVVVTP Inspection Date: 01/29/2021 Inspection Type: Compliance Evaluation Laboratory Yes No NA NE 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)? Incubator (Fecal Coliform) set to 44.5 degrees Celsius+/- 0.2 degrees? 0 ❑ ❑ ❑ Incubator (BOD) set to 20.0 degrees Celsius +/- 1.0 degrees? ❑ ❑ ❑ Comment: Sample analysis are performed by on -site laboratory (Certification #206), Pace Analytical Services, LLC. and ETS. Pump Station - Influent Yes No NA NE Is the pump wet well free of bypass lines or structures? 0 ❑ ❑ ❑ Is the wet well free of excessive grease? ❑ ❑ ❑ Are all pumps present? 0 ❑ ❑ ❑ Are all pumps operable? 0 ❑ ❑ ❑ Are float controls operable? 0 ❑ ❑ ❑ Is SCADA telemetry available and operational? 0 ❑ ❑ ❑ Is audible and visual alarm available and operational? 0 ❑ ❑ ❑ Comment: Facility has two influent pump stations with a total of 6 influent pumps. 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: At time of inspection influent sampler was recorded at 5 degrees Celsius. Bar Screens 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 ❑ ❑ ❑ Page# 4 Permit: NCO024333 Owner -Facility: Monroe VVVVTP Inspection Date: 01/29/2021 Inspection Type: Compliance Evaluation Bar Screens Yes No NA NE Is disposal of screening in compliance? 0 ❑ ❑ ❑ Is the unit in good condition? 0 ❑ ❑ ❑ Comment: Facility is equipped with 2 influent rotary screens. Equalization Basins Yes No NA NE Is the basin aerated? ❑ ❑ 0 ❑ Is the basin free of bypass lines or structures to the natural environment? 0 ❑ ❑ ❑ Is the basin free of excessive grease? 0 ❑ ❑ ❑ Are all pumps present? 0 ❑ ❑ ❑ Are all pumps operable? 0 ❑ ❑ ❑ Are float controls operable? 0 ❑ ❑ ❑ Are audible and visual alarms operable? 0 ❑ ❑ ❑ # Is basin size/volume adequate? 0 ❑ ❑ ❑ Comment: Aeration Basins Yes No NA NE Mode of operation Ext. Air 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? ❑ ❑ ❑ Is the DO level acceptable?(1.0 to 3.0 mg/1) ❑ ❑ ❑ Comment: 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? ❑ ❑ ❑ ❑ Are weirs level? 0 ❑ ❑ ❑ Is the site free of weir blockage? 0 ❑ ❑ ❑ Is the site free of evidence of short-circuiting? 0 ❑ ❑ ❑ Page# 5 Permit: NCO024333 Owner -Facility: Monroe VVVVTP Inspection Date: 01/29/2021 Inspection Type: Compliance Evaluation Secondary Clarifier Yes No NA NE 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)? ❑ ❑ ❑ ❑ Is the overflow clear of excessive solids/pin floc? 0 ❑ ❑ ❑ Is the sludge blanket level acceptable? (Approximately'/4 of the sidewall depth) ❑ ❑ 0 ❑ Comment: At time of inspection sludae blanket was checked in one of four secondary clarifiers and recorded at approximately 1.5 feet. 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) Type of operation: Is the filter media present? Is the filter surface free of clogging? Is the filter free of growth? Is the air scour operational? Is the scouring acceptable? Is the clear well free of excessive solids and filter media? Yes No NA NE Down flow ❑ ❑ ❑ ❑ ❑ ❑ Comment: At time of inspection it was noted that filter media was accumulatinq in chlorine contact basin 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)? MOM ill r•7ill rim ill I:I • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ ❑ ❑ ■ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Page# 6 Permit: NCO024333 Owner -Facility: Monroe VVVVTP Inspection Date: 01/29/2021 Inspection Type: Compliance Evaluation Disinfection -Gas Yes No NA NE If yes, then is there a Risk Management Plan on site? 0 ❑ ❑ ❑ If yes, then what is the EPA twelve digit ID Number? (1000- - ) 1000 001 10435 If yes, then when was the RMP last updated? 03/15/2018 Comment: 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? 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 ❑ ❑ ❑ (If units are separated) Does the chart recorder match the flow meter? ❑ ❑ ❑ Comment: Effluent Sam plinq 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)? Is the facility sampling performed as required by the permit (frequency, sampling type 0 ❑ ❑ ❑ representative)? Comment: Facility is equipped with two composite samplers. At time of inspection effluent sampler #1 was recorded at 3.4 degrees Celsius and sampler #2 recorded at 2 degrees Celsius. Page# 7 Permit: NCO024333 Inspection Date: 01/29/2021 Effluent Sampling Owner - Facility: Monroe WWTP Inspection Type: Compliance Evaluation Solids Handling Equipment Is the equipment operational? 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? 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? Yes No NA NE Yes No NA NE ❑ ❑ ■ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ■ ❑ ❑ ❑ Comment: Site has new filter belt press that was not operational at time of inspection. Drying Beds Yes No NA NE Is there adequate drying bed space? ❑ ❑ 0 ❑ Is the sludge distribution on drying beds appropriate? ❑ ❑ 0 ❑ Are the drying beds free of vegetation? 0 ❑ ❑ ❑ # Is the site free of dry sludge remaining in beds? ❑ ❑ 0 ❑ Is the site free of stockpiled sludge? ❑ ❑ 0 ❑ 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? 0 ❑ ❑ ❑ (Vacuum filters) Is polymer mixing adequate? 0 ❑ ❑ ❑ Comment: Drying beds are used to for storage of dewatered sludge. 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: Operations & Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping? 0 ❑ ❑ ❑ Page# 8 Permit: NCO024333 Inspection Date: 01/29/2021 Owner -Facility: Monroe VVVVTP 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: 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: Yes No NA NE ■ ❑ ❑ ❑ Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ ❑ ❑ ■ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ Page# 9