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HomeMy WebLinkAboutNC0021628_Compliance Inspection_20160915 PAT MCCRORY Governor DONALD R. VAN DER VAART ., Secretary WaterResources S. JAY ZIMMERMAN ENVIRONMENTAL QUALITY Director September 15, 2016 Mr. John Mullis Town Administrator Post Office Box 679 Norwood, North Carolina 28128 DECEIVE®/NMENWR SEP 2 0 2016 SUBJECT: Compliance Evaluation Inspe� OP duality Norwood WWTP Pe�rr�itting Section NPDES Permit NCO021628 Stanly County, NC Dear Mr. Mullis: On September 13, 2016, Roberto Scheller of this Office conducted an inspection at the subject facility. This inspection was conducted as a Compliance Evaluation Inspection (CEI) to insure compliance with permit requirements and conditions. As part of the inspection Toxicity Samples were collected on September 13th and 15tt'. Analytical results of the toxicity sampling will be sent under separate cover. Comments on plant operations and deficiency's found during the inspection are noted on the enclosed inspection report. We wish,to thank you and the operating staff for assistance regarding this inspection. The enclosed report should be self-explanatory; however, should you have any questions, please do not hesitate to contact myself of Roberto Scheller at(704) 23572204 or roberto.scheller@ncdenr.gov. Si cer y, jpacc, W. Corey Basinger, Regional Supervisor Water Quality Regional Operations Section Division of Water Resources, NCDEQ Enclosure: Inspection Report cc: Charles Donnell,, Capital Project Manager Wastewater Branch MSC 1617—Central files basement - File State of North Carolina i Environmental Quality I Water Resources I Water Quality Regional Operations Mooresville Regional Office)610 East Center Avenue,Suite 301 Mooresville,North Carolina 28115 704 6631699 it United States Environmental Protection Agency Form Approved. EPA Washington,D.C.20460 OMB No.,2040-0057 Water Compliance Inspection Report Approval expires 6-31-96 Section A:National Data System Coding(i.e.,PCS) Transaction Code NPDES yr/mo/day Inspection Type Inspector Fac Type 1 2 15 1 3 I NCO021628 I11 12 16/09/13 17 18 i C i 19 1 S i 20 I 21111111 I . 11111111111111111 1 111111 1111111 Il 11r6 Inspection Work Days Facility Self-Monitoring Evaluation Rating 131 QA — Reserved 67 - 70 LJ 1a 1 71 L] 72 1 N 1 73�74 751 I I I I 1__U80 I80 Section B:Facility Data LN 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) 10:26AM 16/09/13 14/02/01 Norwood WWTP 6896 US H 52 Exit Time/Date' Permit Expiration Hwy Date Norwood NC 28128 12:15PM 16/09/13 19/01/31 Name(s)of Onsite Representative(s)frities(s)/Phone and Fax Number(s) Other Facility Data John Mullis/Administrator Town/704-474-3416/7044743201 Thomas David Johnson/ORC/336-596-4500/ ' Name,Address of Responsible Official/Title/Phone and Fax Number Contacted Dwight Smith,PO Box 679 Norwood NC 28128/Town Adminstratorf704-474-3416!7044743201 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 Roberto Scheller MRO WQ//252-946-6481/ Signature of Management Q A Revie Agency/Office/Phone and Fax Numbers Date W.Corey Basinger R WQ//704-235-2194/ EPA Form 3560-3(Rev 9-94)Previous editions are obsolete. Page# 1 r Y NPDES yr/mo/day Inspection Type 1 31 NCO021626 I11 12 16/09/13 17 18 ICI Section D:Summary of Finding/Comments(Attach additional sheets of narrative and checklists as necessary) Page# 2 s — ' Permit NCO021628 Owner-Facility: NorwOOdWWTP Inspection Date: 09/13/2016 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? M ❑ ❑ ❑ Is access to the plant site restricted to the general public? 0 ❑ ❑ ❑ Is the inspector granted access to all'areas for inspection? M ❑ ❑ ❑ Comment: Record Keeping Yes No NA NE Are records kept and maintained as required by the permit? ❑ M ❑ ❑ Is all required information readily available,complete and current? ❑ ❑ ❑ Are all records maintained for 3 years(lab.reg.required 5 years)? ❑ M ❑ ❑ Are analytical results consistent with data reported.on DMRs? ❑ ❑ ❑ Is the chain-of-custody complete? .M 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? ❑ ❑ M ❑ (If the facility is=or>5 MGD permitted flow)Do they operate 24/7 with a certified operator ❑ ❑ �, ❑ 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? 0 0 ❑ ❑ 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: Envirolink took over operations of VWVTP in August of 2016. Past operation records and DMR's need to be organized and avalible for review. Operations&Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping? ❑ ❑ ❑ Page# 3 Permit NCO021628 Owner-Facility: Norwood wVKrP Inspection Date: 09/13/2016 Inspection Type: Compliance Evaluation Operations&Maintenance Yes No NA NE Does the facility analyze process control parameters,for ex:MLSS,MCRT,Settleable 0 ❑ ❑ ❑ Solids,pH, DO, Sludge Judge,and other that are applicable? Comment: 30 Mid.Settleable Soilids Test of mixed liquors indicated that high amount of solids are being held in aeration. 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? ❑ ❑ ❑ #Is the facility using a contract lab? M ❑ _ ❑ ❑ #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? ❑ ❑ M ❑ Incubator(BOD)set to,20.0 degrees Celsius+/-1.0 degrees? ❑ ❑ M ❑ Comment: -If samples are stored inside refrigerator in Office it is necessary to keep record of refrigerator temperature and check thermometer aginst NIST traceable thermometer at least once a year.Temperature digital read-out of samplers should be checked aginst a NIST traceable thermometer at least once per year or thermometer placed inside of refrigerator compartment of samplers. Bar Screens Yes No NA NE Type of bar screen a.Manual b.Mechanical Are the bars adequately screening debris? M ❑ ❑ ❑ Is the screen free of excessive debris? ❑ ❑ ❑ Is disposal of screening in compliance? M ❑ ❑ ❑ Is the unit in good condition? 0 ❑ ❑ ❑ Comment: Rags and grit are disposed of with dried sludge at landfill. 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? ❑ ❑ ❑ #Is disposal of grit in compliance? 0 ❑ ❑ ❑ Page# 4 f Permit NCO021628 Owner-Facility: Norwood WWTP Inspection Date: 09/13/2016 Inspection Type: Compliance Evaluation Grit Removal Yes No NA NE Comment: W. Flow Measurement-Effluent Yes No NA NE . #Is flow meter used for reporting? ■ El El El 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: In accordance with your permit conditions Section D 3. Flow Measurement, Flow measuring devices shall be calibrated at a minimum of once Per year. Aeration Basins Yes No NA NE Mode of operation Ext.Air Type of aeration system Surface Is the basin free of dead spots? ❑ ❑ ❑ Are surface aerators and mixers operational? ❑ ❑ ❑ Are the diffusers operational? N El ❑ El Is the foam the proper color for the treatment process? 0 ❑ ❑ ❑ Does the foam cover less than 25%of the basin's surface? ❑ E ❑ ❑ Is the DO level acceptable? ❑ 0 ❑ ❑ Is the DO level acceptable?(1.0 to 3.0 mg/1) ❑ N ❑• ❑ Comment: One of the Two treatment trains was being reported as DO less than 1 mg/l. Foam covered greater than 30%of basin surface It is recommended that solids be wasted from treatment__ unit to prevent and/or control growth of Filamentous Bacteria. 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? ❑ E ❑ ❑ Are weirs level? 0 ❑ ❑ ❑ Is the site free of weir blockage? E ❑ ❑ ❑ Is the site free of evidence of short-circuiting? 'M ❑ ❑ ❑ Is scum removal adequate? ❑ ❑ ❑ ❑ Is the site free of excessive floating sludge? ❑ ❑ ❑ Is the drive unit operational? N ❑ •❑ ❑ Is the return rate acceptable(low turbulence)? 0 ❑ ❑ ❑ Is the overflow clear of excessive-solids/pin floc? N ❑ ❑ ❑ Page# 5 4 z Permit NC0021628 Owner-Facility: NorwoodWWTP Inspection Date: 09/13/2016 Inspection Type: Compliance Evaluation Secondary Clarifier Yes No NA NE Is the sludge blanket level acceptable?(Approximately'/<of the sidewall depth) E ❑ ❑ ❑ Comment: Secondary Clarifier had excessive amounts of solids floating on surface.At the time of. inspection effluent from secondary clarifiers was clear with few suspended solids. PUMPS-RAS-WAS Yes No NA NE Are pumps in place? ❑ ❑ ❑ Are pumps operational? M ❑ ❑ ❑ Are there adequate spare parts and supplies on site? ❑ ❑ ❑ E Comment: De-chlorination Yes No NA NE Type of system? Is the feed ratio proportional to chlorine amount(1 to 1)? ❑ ❑ M ❑ Is storage appropriate for cylinders? M ❑ ❑ ❑ #Is de-chlorination substance stored away from chlorine containers? M ❑ ❑ ❑ Comment: Are the tablets the proper size and type? ❑ ❑ 0 ❑ / Are tablet de-chlorinators operational? ❑ ❑ 0 ❑ Number of tubes in use? Comment: Sodium bisuldite used for dechlorination Drying Beds Yes No NA NE Is there adequate drying bed space? ❑ ❑ ❑ Is the sludge distribution on drying beds appropriate? ❑ ❑ M ❑ Are the drying beds free of vegetation? M ❑ ❑ ❑ #Is the site free of dry sludge remaining in beds? ❑ ❑ ❑ Is the site free of stockpiled sludge? _ M ❑ ❑ ❑ 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? ❑ ❑ E ❑ (Vacuum filters)Is polymer mixing adequate? ❑ ❑ M ❑l Page# 6 Permit NC0021628 Owner-Facility: Norwood WWrP Inspection Date: 09113/2016 Inspection Type: Compliance Evaluation Drying Beds Yes No NA NE Comment: Sludge drying beds are inadequate for this facility. Sludge handling and treatment equipment should be updated to meet facility's needs Past inspections indicate that sludge is disposed of by Republic Services to the Uwharrie Environmental Landfill. Please note that Section D, 6. Records Retention,of your current permit, states that sewage sludge records shall be retained for a period of at least 5 years It is necessary to have past sludge records avalible. for review. Page# 7