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Home My WebLink AboutNC0024937_Compliance Evaluation Inspection_20180319Water Resources } Environmental Quality 19 March 2018 Ms. Jacqueline A. Jarrell, P.E. Operations Chief Environmental Management Division Charlotte Water 5100 Brookshire Blvd. Charlotte, North Carolina 28216 Subject: Compliance Evaluation Inspection Sugar Creek W WTP NPDES Permit No. NCO024937 Mecklenburg County Dear Ms. Jarrell: ROY COOPER Governor MICHAEL S. REGAN Secretary LINDA CULPEPPER Interim Director Enclosed is a copy of the Compliance Evaluation Inspection Report for the inspection conducted at the subject facility on March 15, 2018, by Mr. Wes Bell of this Office. Please inform the facility's Operator -in -Responsible Charge (ORC) of our findings by forwarding a copy of the enclosed report. Should you have any questions concerning this report, please do not hesitate to contact Mr. Bell at (704) 235-2192, or via email at wes.bell@ncdenr.gov. Sincerely, Do�cuSfigned by: A14CC681AF27425... W. Corey Basinger, Regional Supervisor Water Quality Regional Operations Section Division of Water Resources, NCDEQ Enclosure: Inspection Report cc: Rusty Rozzelle, MCWQP (via email) State of North Carolina I Environmental Qualityl Water Resources I Water Quality Regional Operations Mooresville Regional Office 1610 East Center Avenue, Suite 310 1 Mooresville, North Carolina 28115 704-663-1699 - United States Environmental Protection Agency Form Approved. EPA Washington, D.C. 209e0 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 i,,, i 2 15 I 3 I NCO024937 I11 121 18/03/15 I17 181,•1 191 s I 201 211 1 1 1 1 1 1 1 1 1 1 1 IJ 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1166 Inspection Work Days Facility Self-Monitoring Evaluation Rating 81 QA ------------------Reserved---------- 67 20 701x 1 711n, 1 72 1 n 1 731 I 174 751 1 1 1 1 1 1 180 LJ LJ I I I Section B: FacilityData 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) 0925A 18/03/15 17/10/01 Charlotte-Sugar Creek WWT P 5301 Closebum Rd Exit Time/Dale Permit Expiration Dale Charlotte NC 28217 01:35PM 18/03/15 22/05/31 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data w William McDonald Allen/ORC/704-553-2121/ Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Jacqueline A Jarrell,5100 Brookshire Blvd Charlotte NO 282163371/Operations ChieU704-336-5433!7043989180 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) Dale Name(s) and Signature(s)/of'Inspeec/c!,r(s)n Agency/Office/Phone and Fax Numbers -'7( Wes Bell �( / /p/ / / / / MRO WQ/1704-663-1699 Ext 2192/ r1 11 ✓ I Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Dale W. Corey Basinger MRO WQ//704-235-2194/ EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. DocuSigned by: 13/19/2018 Page# NPDES 31 NC0024937 I11 yr/mo/day Inspection Type 18/03/15 17 18 1 C Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) On-site Representatives. The following Charlotte Water personnel were in attendance during the inspection: Mr. Billy Allen/ORC, Mr. Joseph Lockler/Operations Manager, and Mr. Doug Wise/Water Quality Program Specialist. Page# Permit: NCO024937 Inspection Dale: 03/15/2018 Permit Owner -Facility: Charlotte -Sugar Creek lNWrP Inspection Type: Compliance Evaluation (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? Yes No NA NE ❑ ❑ M ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Comment: Charlotte Water is in the process of initiatina the Reliabilitv Improvements Proiect at the wastewater treatment facility. The infrastructure to be rehabilitated/replaced includes: blowers: aeration diffusers: aeration piping; lift pumps: filter media: and gates and valves for filters. The estimated time period for the completion of this project is twenty months. The last compliance evaluation inspection was performed at the facility on 5/25/16 by DWR staff. 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)? M ❑ ❑ ❑ 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? 0 ❑ ❑ ❑ Has the facility submitted its annual compliance report to users and DWQ? - M ❑ ❑ ❑ (If the facility is = or > 5 MGD permitted flow) Do they operate 24/7 with a certified operator M ❑ ❑ ❑ on each shift? Is the ORC visitation log available and current? 0 ❑ ❑ ❑ Is the ORC certified at grade equal to or higher than the facility classification? M ❑ ❑ ❑ Is the backup operator certified at one grade less or greater than the facility classification? 0 ❑ ❑ ❑ Is a copy of the current NPDES permit available on site? M ❑ ❑ ❑ Facility has copy of previous year's Annual Report on file for review? ❑ ❑ ❑ 0 Page# 3 PermiC NCO024937 Owner -Facility: Charlotte -Sugar Creek WWTP Inspection Date: 03/15/2018 Inspection Type: Compliance Evaluation Record Keeping Yes No NA NE Comment: The records reviewed during the inspection were organized and well maintained. Discharge Monitoring Reports (eDMRs) were reviewed for the period January 2017 through December 2017. A pH effluent limit violation was reported in February 2017. The Division has previously addressed this limit violation through the issuance of a NOD. All monitoring frequencies were correct. 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)? Is sampling performed according to the permit? 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 under the Charlotte Water over 100 mis. per aliquot and the internal temperature was less than five degrees Celsius at Environmental Laboratory Services Certification #192. Prism Laboratories (low level mercury and phenols) ETT (toxicity) and R&A Labs (toxicity) have also been contracted to provide analytical support. Influent Samplinq 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? N ❑ ❑ ❑ # 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 BOD and TSS composite samples. Monthly (at a minimum) aliquot verifications are performed and documented. The composite sampler was collecting over 100 mis. per aliquot and the internal temperature was less than five degrees Celsius at the time of the inspection. Effluent Sampling Yes No NA NE Is composite sampling flow proportional? 0 ❑ ❑ ❑ Is sample collected below all treatment units? 0 ❑ ❑ ❑ Is proper volume collected? M ❑ ❑ ❑ Is the tubing clean? 0 ❑ ❑ ❑ Page# 4 Permit: N00024937 Owner -Facility: Charlotte -Sugar Creek WWTP Inspection Date: 03/15/2018 Inspection Type: Compliance Evaluation Effluent Sampling Yes No NA NE # 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 M ❑ ❑ ❑ representative)? Comment: The subject permit requires composite and qrab effluent samples. Monthly (at a minimum aliquot verifications are performed and documented. The composite sampler was collecting over 100 mis. per aliquot and the internal temperature was less than five degrees Celsius at the time of the inspection. 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 0 ❑ ❑ ❑ Solids, pH, DO, Sludge Judge, and other that are applicable? Comment: The wastewater treatment 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. In-depth operation and maintenance records were also being maintained on-site. The facility is equipped with a SCADA System that is accessible at five (5) separate locations throughout the wastewater facility. Bar Screens Yes No NA NE Type of bar screen 0 ❑ ❑ ❑ a.Manual ❑ ❑ ❑ ❑ b.Mechanical 0 ❑ ❑ ❑ Are the bars adequately screening debris? 0 ❑ ❑ ❑ Is the screen free of excessive debris? 0 ❑ ❑ ❑ Is disposal of screening in compliance? M ❑ ❑ ❑ Is the unit in good condition? 0 ❑ ❑ ❑ Comment 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? 0 ❑ ❑ ❑ Are all pumps present? 0 ❑ ❑ ❑ Are all pumps operable? 0 ❑ ❑ ❑ Are float controls operable? 0 ❑ ❑ ❑ Is SCADA telemetry available and operational? 0 ❑ ❑ ❑ Page# 5 Permit: NCO024937 Inspection Date: 03/15/2018 Pump Station - Influent Is audible and visual alarm available and operational? Comment: Owner - Facility: Charlotte -Sugar Creek wWTP Inspection Type: Compliance Evaluation Equalization Basins Is the basin aerated? Is the basin free of bypass lines or structures to the natural environment? Is the basin free of excessive grease? Are all pumps present? Are all pumps operable? Are float controls operable? Are audible and visual alarms operable? # Is basin size/volume adequate? Yes No NA NE ❑ ❑ ■ ❑ Yes No NA NE ❑ ❑ ■ ❑ M ❑ ❑ ❑ ❑ ❑ M ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ ❑ ■ ❑ ■ ❑ ❑ ❑ Comment: The facility is equipped with two equalization basins (both operational). The basins were not in use during the inspection. Grit Removal Type of grit removal a.Manual b.Mechanical Is the grit free of excessive organic matter? Is the grit free of excessive odor? # Is disposal of grit in compliance? Comment: Screenings and grit are disposed at the CMS Landfill located in Cabarrus County. 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 ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ Yes No NA NE ❑ ■ ❑ ❑ M ❑ ❑ ❑ ■ ❑ ❑ ❑ ❑ ❑ ■ ❑ Comment: The flow meter is calibrated twice per year and was last calibrated on 1/30/18 by Expert Services International, LLC. Primary Clarifier Yes No NA NE Is the clarifier free of black and odorous wastewater? 0 ❑ ❑ ❑ Page# 6 Permit: NCO024937 Owner -Facility: Inspection Date: 03/15/2018 Inspection Type: Charlotte -Sugar Creek WWTP Compliance Evaluation ■ ❑ Primary Clarifier Yes No NA NE 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? N ❑ ❑ ❑ Is the site free of evidence of short-circuiting? 0 ❑ ❑ ❑ Is scum removal adequate? ❑ ❑ ❑ ❑ Is the site free of excessive Floating sludge? ❑ ❑ ❑ Is the drive unit operational? 0 ❑ ❑ ❑ Is the sludge blanket level acceptable? 0 ❑ ❑ ❑ Is the sludge blanket level acceptable? (Approximately Y4 of the sidewall depth) 0 ❑ ❑ ❑ Comment: All four primary clarifiers were operational. however. only three were in service at the time of the inspection. ■ ❑ Chemical Feed Yes No NA NE Is containment adequate? 0 ❑ ❑ ❑ Is storage adequate? 0 ❑ ❑ ❑ Are backup pumps available? 0 ❑ ❑ ❑ Is the site free of excessive leaking? 0 ❑ ❑ ❑ Comment: 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 Diffused ■ ❑ ❑ ❑ ❑ ❑ ■ ❑ ■ ❑ ❑ ❑ N ❑ ❑ ❑ N ❑ ❑ ❑ N ❑ ❑ ❑ E ❑ ❑ ❑ Comment: Six aeration basins (#6 - #11) were in service during the inspection Magnesium hydroxide is added to maintain appropriate alkalinity/pH Levels. Secondary Clarifier Is the clarifier free of black and odorous wastewater? Yes No NA NE ■ ❑ ❑ ❑ Page# 7 Permit: NC0024937 Inspection Date: 03/15/2018 Owner -Facility: Charlotte -Sugar Creek WWrP Inspection Type: Compliance Evaluation Secondary Clarifier 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 return rate acceptable (low turbulence)? Is the overflow clear of excessive solids/pin floc? Is the sludge blanket level acceptable? (Approximately %of the sidewall depth) Comment: All four (4) secondary clarifiers were operational and in service Yes No NA NE M ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ N ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ■ ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Pumps -RAS -WAS Yes No NA NE Are pumps in place? M ❑ ❑ ❑ Are pumps operational? 0 ❑ ❑ ❑ Are there adequate spare parts and supplies on site? IN ❑ ❑ ❑ Comment: Primary clarifier and waste activated sludges are pumped to the McAlpine Creek WWTP for ❑ ❑ continued treatment and disposal. 0 ❑ ❑ ❑ Filtration (High Rate Tertiary) Yes No NA NE Type of operation: Down flow ❑ ❑ Is the filter media present? M ❑ ❑ ❑ Is the filter surface free of clogging? 0 ❑ ❑ ❑ Is the filter free of growth? 0 ❑ ❑ ❑ Is the air scour operational? 0 ❑ ❑ ❑ Is the scouring acceptable? M ❑ ❑ ❑ Is the clear well free of excessive solids and filter media? 0 ❑ ❑ ❑ Comment: All ten tertiary filters were operational and in service. Disinfection - UV Yes No NA NE Are extra UV bulbs available on site? M ❑ ❑ ❑ Are UV bulbs clean? 0 ❑ ❑ ❑ Is UV intensity adequate? 0 ❑ ❑ ❑ Is transmittance at or above designed level? M ❑ ❑ ❑ Page# 8 Permit NCO024937 Owner -Facility: Charlotte -Sugar Creek WWrP Inspection Date: 03/15/2018 Inspection Type: Compliance Evaluation Disinfection - UV Yes No NA NE Is there a backup system on site? 0 ❑ ❑ ❑ Is effluent clear and free of solids? 0 ❑ ❑ ❑ Comment: Flow Measurement - Effluent Yes No NA NE # Is flow meter used for reporting? 0 ❑ ❑ ❑ Is flow meter calibrated annually? N ❑ ❑ ❑ Is the flow meter operational? 0 ❑ ❑ ❑ (If units are separated) Does the chart recorder match the flow meter? ❑ ❑ 0 ❑ Comment: The flow meter is calibrated twice per vear and was last calibrated on 1/30/18 by ExOert Services International, LLC. Yes No NA NE Is automatically activated standby power available? 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? N ❑ ❑ ❑ If effluent (diffuser pipes are required) are they operating properly? ❑ ❑ N ❑ Comment: The effluent appeared clear with no floatable solids and foam (entrained air). The receiving stream did not appear to be negatively impacted. 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? ❑ ❑ ❑ 0 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? 0 ❑ ❑ ❑ Comment: The facility is equipped with three backup generators. Generators are activated prior to storm events. A contracted company (CAT) services the generators quarterly. Page# 9