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Home My WebLink AboutNC0084573_Compliance Evaluation Inspection_20141016 Alp NCDENR North Carolina Department of Environment and Natural Resources Pat McCrory John E. Skvarla, Ill Governor Secretary October 16, 2014 Mr. Barry McKinnon, Interim Director of Public Works RECEIVED/DENR/DWR Lincoln County 115 West Main Street OCT 2`0 2014 Lincolnton, North Carolina 28092 Water Quality Permitting Section Subject: Compliance Evaluation Inspection Lincoln County WTP NPDES Permit No. NC0084573 Lincoln County Dear Mr. McKinnon: Enclosed please find a copy of the Compliance Evaluation Inspection report for the inspection conducted at the subject facility on September 16, 2014, by Ms. Marcia Allocco of this office. Please advise the facility's Operator-in-Responsible Charge (ORC) of our findings by forwarding a copy of the enclosed report and thank him and the laboratory staff at the water treatment plant for their assistance during the site inspection. The inspection report should be self-explanatory; however, should you have any questions concerning the report, please do not hesitate to contact me at (704) 235-2204 or marcia.allocco@ncdenr.gov. Sincerely, Marcia Allocco, MS; Environmental Senior Specialist Water Quality Regional Operations Section Division of Water Resources, NCDENR cc: Wastewater Branch MSC 1617 — Central files basement MA Mooresville Regional Office Location:610 East Center Ave.,Suite 301 Mooresville,NC 28115 Phone:(704)663-16991 Fax:(704)663-60401 Customer Service:1-877-623-6748 Internet:http:/lportal.ncdenr.orglweblwq An Equal Opportunity I Affirmative Action Employer-30%Recycledil0%Post Consumer paper United States Environmental Protection Agency Form Approved. EPA Washington,D.C.20480 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 Ej 2 15 l 3 1 NC0084573 111 12 1 14/09/16 117 18 LI 19 Li I 2011 211 111 I I I I I I I I I I 1 I I 1 I l I I I I 1 1 1 I 1 I I I l 1111 I I I l 116 Inspection Work Days Facility Self-Monitoring Evaluation Rating B1 QA ------- Reserved- 6711.o I 70 LJ[ � 71 Iti 72 !LJ 731 1 174 75J 1 1 1 1 1 1 180 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) 09:35AM 14/09/16 10/04/01 Lincoln County WTP 7674 Tree Farm Rd Exit Time/Date Permit Expiration Date 11:27AM 14/09/16 15/03/31 Denver NC 28037 Name(s)of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data /II Adam Michael Jolicoeur/ORC/704-483-7070/ Name,Address of Responsible Official/Title/Phone and Fax Number Contacted Adam Michael Jolicoeur,7674 Tree Farm Rd Denver NC 2803711704-483-7070/ No Section C:Areas Evaluated During Inspection(Check only those areas evaluated) l* Permit II Flow Measurement • Operations&Maintenance IR Records/Reports * Self-Monitoring Program • Sludge Handling Disposal 111 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 Marcia Allocco 7 MRO WQ//70�3-1699 Ext.2204/ I ICc Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date EPA Form 3560-3(Rev 9-94)Previous editions are obsolete. Page# 1 NPDES yr/mo/day Inspection Type 1 31 NC0084573 111 121 14/09/16 117 18 Lai i Section D:Summary of Finding/Comments(Attach additional sheets of narrative and checklists as necessary) • Page# 2 Permit: NC0084573 Owner-Facility: Lincoln County WTP Inspection Date: 09/16/2014 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? ❑ ❑ ❑ ❑ #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? • ❑ ❑ ❑ Comment: The current permit was effective April 1, 2010, and expires on March 31, 2015 (lust over 6 months). The permittee was in the process of completing the permit renewal application during the inspection: technical assistance was provided by the inspector. Please continue to operate under the expired permit until it is reissued. Operations & Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping? • ❑ ❑ ❑ Does the facility analyze process control parameters, for ex: MLSS, MCRT, Settleable • ❑ ❑ ❑ Solids, pH, DO, Sludge Judge, and other that are applicable? Comment: De-chlorination Yes No NA NE Type of system? Liquid 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? ❑ ❑ II ❑ Comment: Liquid sodium thiosulfate is used for dechlorination; stored within new building used for sludge management. Are tablet de-chlorinators operational? ❑ ❑ • ❑ Number of tubes in use? Comment: Flow Measurement - Effluent Yes No NA NE #Is flow meter used for reporting? • ❑ ❑ ❑ Is flow meter calibrated annually? • ❑ ❑ ❑ Is the flow meter operational? U ❑ ❑ ❑ (If units are separated) Does the chart recorder match the flow meter? ❑ ❑ U ❑ Page# 3 Permit: NC0084573 Owner-Facility: Lincoln County WTP Inspection Date: 09/16/2014 Inspection Type: Compliance Evaluation Flow Measurement-Effluent Yes No NA NE Comment: The flow meter was last calibrated on January 14, 2014, as part of the upgrade to the facility by the Ken Nash Company, Inc. Effluent Sampling Yes No NA NE Is composite sampling flow proportional? 0 0 • 0 Is sample collected below all treatment units? • 0 0 ❑ Is proper volume collected? • 0 0 0 Is the tubing clean? 0 ❑ II 0 #Is proper temperature set for sample storage(kept at less than or equal to 6.0 degrees • 0 ❑ 0 Celsius)? Is the facility sampling performed as required by the permit(frequency,sampling type • 0 0 ❑ representative)? Comment: The permit requires grab samples for all required parameters: sampling is performed after all treatment.All effluent samples are kept on ice in a cooler or in a refrigerator until transfer to the analytical laboratory. Effluent Pipe Yes No NA NE Is right of way to the outfall properly maintained? • 0 0 0 Are the receiving water free of foam other than trace amounts and other debris? • 0 0 0 If effluent (diffuser pipes are required) are they operating properly? 0 ❑ MI 0 Comment: The receiving stream (Catawba River/Lake Norman)appeared unaffected by the discharge on the day of the inspection. Solids Handling Equipment Yes No NA NE Is the equipment operational? • 0 0 0 Is the chemical feed equipment operational? U 0 0 0 Is storage adequate? • 0 0 0 Is the site free of high level of solids in filtrate from filter presses or vacuum filters? • 0 0 0 Is the site free of sludge buildup on belts and/or rollers of filter press? • 0 0 0 Is the site free of excessive moisture in belt filter press sludge cake? • ❑ ❑ ❑ The facility has an approved sludge management plan? • ❑ 0 0 Comment: The permittee recently completed an upgrade to convert two clarifiers to sludge thickeners and construct a sludge dewatering system (polymer addition, screw presses, screw conveyers, sludge handling building and a truck loading bay). Construction was complete and all equipment appeared to be operating as designed. Drying Beds Yes No NA NE Page# 4 • • Permit: NC0084573 Owner-Facility: Lincoln County WTP Inspection Date: 09/16/2014 Inspection Type: Compliance Evaluation Drying Beds Yes No NA NE Is there adequate drying bed space? 0 0 0 • Is the sludge distribution on drying beds appropriate? 0 0 0 • Are the drying beds free of vegetation? 0 0 0 • #Is the site free of dry sludge remaining in beds? 0 0 0 • Is the site free of stockpiled sludge? 0 0 0 II Is the filtrate from sludge drying beds returned to the front of the plant? 0 0 • 0 #Is the sludge disposed of through county landfill? • ❑ ❑ ❑ #Is the sludge land applied? 0 I 0 0 (Vacuum filters) Is polymer mixing adequate? 0 ❑ • ❑ Comment: The permittee previously used vacuum filter beds before the recent sludge handling upgrade; they are no longer in service. Dewatered sludge is disposed at the Lincoln County landfill and the last sludge disposal occurred on August 8, 2014. Laboratory Yes No NA NE Are field parameters performed by certified personnel or laboratory? • ❑ ❑ ❑ Are all other parameters(exduding field parameters)performed by a certified lab? • 0 0 0 #Is the facility using a contract lab? • ❑ 0 0 #Is proper temperature set for sample storage(kept at less than or equal to 6.0 degrees • 0 0 0 Celsius)? Incubator(Fecal Coliform)set to 44.5 degrees Celsius+/-0.2 degrees? 0 0 • 0 Incubator(BOD)set to 20.0 degrees Celsius+/- 1.0 degrees? 0 0 II ❑ Comment: On-site analyses are performed under field laboratory certification#5025. The field instrumentation used on site appeared to be properly calibrated and documented; TRC meter was last calibrated on September 7,2014. The permittee had an exemplary documentation system related to the on-site analyses of samples. Record Keeping Yes No NA NE Are records kept and maintained as required by the permit? • 0 0 0 Is all required information readily available,complete and current? • 0 0 0 Are all records maintained for 3 years(lab. reg. required 5 years)? U 0 0 0 Are analytical results consistent with data reported on DMRs? • 0 0 0 Is the chain-of-custody complete? • 0 0 0 Dates,times and location of sampling Name of individual performing the sampling U Results of analysis and calibration U Dates of analysis • Page# 5 • Permit: NC0084573 Owner-Facility: Lincoln • County VVTP , Inspection Date: 09/16/2014 Inspection Type: Compliance Evaluation Record Keeping Yes No NA NE Name of person performing analyses Transported COCs U Are DMRs complete:do they include all permit parameters? • 0 0 ❑ Has the facility submitted its annual compliance report to users and DWQ? 0 0 • ❑ (If the facility is=or>5 MGD permitted flow) Do they operate 24/7 with a certified operator 0 0 • 0 on each shift? Is the ORC visitation log available and current? • 0 0 0 Is the ORC certified at grade equal to or higher than the facility classification? U ❑ 0 0 Is the backup operator certified at one grade less or greater than the facility classification? U 0 ❑ 0 Is a copy of the current NPDES permit available on site? • 0 0 0 Facility has copy of previous year's Annual Report on file for review? 0 0 • 0 Comment: The permittee's records were organized and well maintained and records requested during the inspection were readily retrievable. DMRs were reviewed for August 2013 through July 2014. No limit violations were reported and all monitoring frequencies were correct. Please use the following parameter codes on future DMR submissions;turbidity(00076). The submitted DMRs have noted Pace Analytical, Inc. (#12) and Environmental Testing Solutions. Inc. (#600) as the certified laboratories used for permit required analytical support. Please add the Lincoln County WTP(certification#5025)as a certified laboratory on future DMR submissions. Page# 6