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Home My WebLink AboutNC0085120_Inspection_20180821NORTH CAROLINA ROY COOPER Envrranrh#1t1G1 QUdlfly G&V 01tw MICHAEL S. REGAL Secr�rary LINDA CULPEPPER In redm D,'rsctor 21 August 2018 Mr. Jason Collinsworth, Maintenance Manager Lowes Home Centers, LLC 711 Tomlin Mill Road Olin, North Carolina 28660 Subject: Compliance Evaluation Inspection Lowe's RDC 960 WWTP NPDES Permit No. NCO085120 Iredell County Dear Mr. Collinsworth: Enclosed is a copy of the Compliance Evaluation Inspection Report for the inspection conducted at the subject facility on August 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 letter, please do not hesitate to contact Mr. Bell at (704) 235-2192, or via email at wes.bell@ncdenr.gov. Enclosure: Inspection Report Sincerely, DocuSigned by: A14CC681AF27425... W. Corey Basinger, Regional Supervisor Water Quality Regional Operations Section Division of Water Resources, NCDEQ EQ.:> "-mr North Carolina Department of Environmental Quality I Division of Water Resources 610 East Center Avenue I Suite 3011 Mooresville, North Carolina 28115 704.663.1699 NORTH CAROLINA ROY COOPER Envrranrh#1t1G1 QUdlfly G&V 01tw MICHAEL S. REGAL Secr�rary LINDA CULPEPPER In redm D,'rsctor 21 August 2018 Mr. Jason Collinsworth, Maintenance Manager Lowes Home Centers, LLC 711 Tomlin Mill Road Statesville, North Carolina 28625 Subject: Compliance Evaluation Inspection Lowe's RDC 960 WWTP NPDES Permit No. NCO085120 Iredell County Dear Mr. Collinsworth: Enclosed is a copy of the Compliance Evaluation Inspection Report for the inspection conducted at the subject facility on August 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 letter, please do not hesitate to contact Mr. Bell at (704) 235-2192, or via email at wes.bell@ncdenr.gov. Enclosure: Inspection Report Sincerely, DocuSigned by: A14CC681 AF27425... W. Corey Basinger, Regional Supervisor Water Quality Regional Operations Section Division of Water Resources, NCDEQ EQ.:> "-mr North Carolina Department of Environmental Quality I Division of Water Resources 610 East Center Avenue I Suite 3011 Mooresville, North Carolina 28115 704.663.1699 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 I 2 15 I 3 I NCO085120 111 12 I 18/08/15 I17 18 I S 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 I.. I 72 I �, I 73 �74 751 I I I 1 1 1 I80 u 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:OOAM 18/08/15 14/07/01 Iredell Distribution Center WWTP 711 Tomlin Mill Rd Exit Time/Date Permit Expiration Date Olin NC 28660 11:35AM 18/08/15 19/03/31 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data Bobby Eugene Bishop//704-876-8500 / Rocky Lane Everidge/ORC/704-876-8500/ William L Gregory//704-876-8500 / Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Alvin Ferrouillet,711 Tomlin Mill Rd Olin NC 28660/General Manager/704-876-8500/ 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 EDoby: Wes Bell D� MRO WQ//704-663-1699 Ext.2192/ 8/21/2018 A61 e96D90CC3437... 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 - E8/21/2018 8/21/2018 AtaccsatAFvazs... Page# NPDES yr/mo/day Inspection Type NCO085120 111 121 18/08/15 1 17 18 JCJ Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) Page# Permit: NCO085120 Owner - Facility: Iredell Distribution Center WWTP Inspection Date: 08/15/2018 Inspection Type: Compliance Evaluation 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? Are all records maintained for 3 years (lab. reg. required 5 years)? 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? 0 ❑ ❑ ❑ Is the inspector granted access to all areas for inspection? 0 ❑ ❑ ❑ Comment: The last compliance evaluation inspection was performed at the facility on 10/26/16 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? M ❑ ❑ ❑ 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? 0 ❑ ❑ ❑ Has the facility submitted its annual compliance report to users and DWQ? ❑ ❑ 0 ❑ (If the facility is = or > 5 MGD permitted flow) Do they operate 24/7 with a certified operator ❑ ❑ 0 ❑ 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? 0 ❑ ❑ ❑ 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? ❑ ❑ ❑ Comment: The records reviewed durina the insDection were oraanized and well maintained. Discharae Monitoring Reports (eDMRs) were reviewed for the period June 2017 through May 2018. No effluent limit violations were reported and all monitoring frequencies were correct. The CIRC and staff must ensure to use the TKN + nitrite/nitrate formula to calculate future effluent total nitrogen values. Ammonia had been previously used instead of TKN. Page# 3 Permit: NCO085120 Owner - Facility: Iredell Distribution Center WWTP Inspection Date: 08/15/2018 Inspection Type: Compliance Evaluation Yes No NA NE Is composite sampling flow proportional? ❑ 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)? 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? ❑ ❑ 0 ❑ Comment: On-site field analyses (pH and temperature) are being performed under the Lowe's field laboratory certification #5016. Statesville Analytical, Inc. (all effluent parameters except field) has also been contracted to provide analytical support. 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)? Is the facility sampling performed as required by the permit (frequency, sampling type ❑ ❑ ❑ representative)? Comment: The subject permit requires effluent grab samples. 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 wastewater treatment plant appeared to be properly operated and well maintained. Process control measurements were being properly documented and maintained on-site. The facility is equipped with a telemetry type (dialer) alarm system to notify on-site personnel of specific alarm conditions at the treatment facility. 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: NCO085120 Owner - Facility: Iredell Distribution Center WWTP Inspection Date: 08/15/2018 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: Screenings are disposed at the County Landfill. 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? 0 ❑ ❑ ❑ Is the DO level acceptable?(1.0 to 3.0 mg/1) 0 ❑ ❑ ❑ Comment: The settleability test (twenty-three minutes) performed during the inspection was approximately 650 ml/L with a clear supernate. Sodium bicarbonate is added 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 ❑ ❑ ❑ Page# 5 Permit: NC0085120 Owner - Facility: Iredell Distribution Center WWTP # Is flow meter used for reporting? 0 ❑ Inspection Date: 08/15/2018 Inspection Type: Compliance Evaluation Is flow meter calibrated annually? 0 ❑ Secondary Clarifier Yes No NA NE 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: 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? ❑ ❑ 0 ❑ Comment: The flow meter is calibrated twice per year and was last calibrated on 8/13/18 Clearwater, Inc. Disinfection - UV Yes No NA NE Are extra UV bulbs available on site? 0 ❑ ❑ ❑ Are UV bulbs clean? 0 ❑ ❑ ❑ Is UV intensity adequate? 0 ❑ ❑ ❑ Is transmittance at or above designed level? 0 ❑ ❑ ❑ Is there a backup system on site? ❑ ❑ 0 ❑ Is effluent clear and free of solids? 0 ❑ ❑ ❑ Comment: Pump Station - Effluent Yes No NA NE Is the pump wet well free of bypass lines or structures? 0 ❑ ❑ ❑ 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 ❑ ❑ ❑ Page# 6 Permit: NCO085120 Owner - Facility: Iredell Distribution Center WWTP Inspection Date: 08/15/2018 Inspection Type: Compliance Evaluation Pump Station - Effluent Yes No NA NE Comment: One of the effluent pumps was in the process of being repaired/replaced. 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. The receiving stream did not appear to be negatively impacted. 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 an aerated sludge holding tank. A contracted company (primarily Myers Septic Service) removes wastewater solids on an as -needed basis. The wastewater solids are disposed at the North Wilkesboro WWTP. 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: The backup generator is tested (automatically) under load on a weekly basis. Yes No NA NE ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ Page# 7