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Home My WebLink AboutNC0083101_Compliance Evaluation Inspection_20180202ROY COOPER i7m"' 1.1m, MICHAEL S REGAIN Secye(w i. LINDA CULPF,PPER ha-,)wi Du,-ol February 2, 2018 Frank Frazier, City Manager City of Henderson P O Box 1434 Henderson, NC 27536 Subject Compliance Evaluation Inspection Kerr Lake Regional Water Treatment Plant NPDES Permit NCO083101 Vance County Dear Mr Frazier FEB 01 2018 Water Resources Permitting Section On January 31, Mitch Hayes of the Raleigh Regional Office conducted the subject inspection The assistance of Steve Gupton, Ray Allen, and Randy Buchanan with the inspection was helpful and appreciated Below is a list of findings developed from the inspection and review of the permit The permit became effective July 1, 2017 and will expire March 31, 2022 Changes to the permit include the following a) Removed upstream Total Hardness b) Added a 25 NTU daily average limit and a 25 NTU maximum average limit for Turbidity c) Removed Total Iron and Total Manganese monitoring d) Removed Total Copper monitoring e) Added Total Zinc monitoring f) Added effluent quarterly monitoring for Total Hardness g) Added a daily maximum and monthly average limits of 1 8 mg/L for Total Fluoride h) Added Total Nitrogen and Total Phosphorus monitoring i) A permit re -opener is added that allows for additional metals testing, a toxicity Identification evaluation, a toxicity reduction evaluation, and/or an assessment of discharge treatment alternatives may be requested j) Added electronic reporting of discharge monitoring reports 2 The Kerr Lake Regional WTP consists of the following units a splitter box, calcium thiosulfate feed system for dechlorination, settling pond, two (2) batch thickening basins, and four (4) sludge drying beds At the time of inspection, both thickening basins had capacity for more wastewater Granville Farms hauls and land applies sludge The dechlorination unit was operating normally Effluent discharging into the UT to Anderson Swamp Creek appeared clear with no foam or solids 3 The lab was checked 1n a cursory manner The lab is certified for pH, and Total Residual Chlorine (TRC). Pace Analytical Labs analyses all other permit parameters The TRC vials and the pH buffers (4, 7 and 10) were within expiration date Calibration records were up to date r-I�;riti €;�1j C{?lnpares— , Division of Watei Resources, Raleigh Regional Office, Wates Quality Opciahons Section http //portal ncdeni oi;/web/wq/aps 1628 Mail Service Center, Raleigh, NC 27699-1628 Phone (919) 791-4200 Location 3800 Barrett Drive, Raleigh, NC 27609 Far (919) 788-7159 4 Discharge Monitoring Reports for the period October 2014 to January 2018 were reviewed for compliance with permit limits and monitoring requirements, The following violations were noted Total suspended Solids daily maximum permit limit was exceeded on 12 20 2016 and on 09 12 2017- These violations have been addressed through separate correspondence I would like to thank all staff of the Kerr Lake WTP in assisting with this inspection If you have any questions about the inspection or th s letter, please Mitch Hayes at 919-791 4261 or by email at -I;ih�h, ( s yr,0j y r 1 Smc0rely, a / 9 Danny Smith, Regional Supervisor Water Quality Regional Operations Section Raleigh Regional Office Division of Water Resources NC -DEQ cc permit files, central files 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/molday Inspection Type Inspector Fac Type 1 IN 1 2 15 I 3 I NC0083101 111 121 18/01/29 I17 18 LCI I 19 1 G I 201 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 L16 Inspection Work Days Facility Self-Monitoring Evaluation Rating 131 QA -----------------Reserved----------------- 67 70 u 71 I] 72 L I 73 � 74 751 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) 10 30AM 18/01/29 17/07/01 Kerr Lake Regional WTP Fleming Rd NCSR 1371 Exit Time/Date Permit Expiration Date Henderson NC 27536 11 OOAM 18/01/29 22/03/31 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data /// Clarissa M Lipscomb/ORC/252-438-2142/ Stephen Michael Gupton/// Stephen Michael Gupton/ORC// Name, Address of Responsible OfficiallTitle/Phone and Fax Number Contacted Thomas A Spain,PO Box 1434 Henderson NC 275361434//252-431-6081/2524923324 Yes Section C Areas Evaluated During Inspection (Check only those areas evaluated) ® Permit ® Records/Reports ® Self-Monitoring Program ® Sludge Handling Disposal ® Facility Site Review ® Effluent/Receiving Waters M 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 Mitchell S Hayes RRO WQ//919-791-4200/ Viz, G� Sig atur of Management Q eviewar Agency/Office/P e and Fax Numbers D to r EPA Form 3,950-3 (Rev 9-94) Previous editions are obsolete Page# NPDES yr/mo/day Inspection Type (Cont) 31 NCO083101 I11 12, 18/01/29 117 18 ICI Section D Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) The permit became effective July 1, 2017 and will expire March 31, 2022 Changes to the permit Include the following a) Removed upstream Total Hardness b) Added a 25 NTU dally average limit and a 25 NTU maximum average limit for Turbidity c) Removed Total Iron and Total Manganese monitoring d)__ Removed Total_Copper_monitoring _ e) Added Tctal Zinc monitoring f) Added effluent quarterly monitoring for Total Hardness g) Added a daily maximum and monthly average limits of 1 8 mg/L for Total Fluoride h) Added Total Nitrogen and Total Phosphorus monitoring I) A permit re -opener is added that allows for additional metals testing, a toxicity identification evaluation, a toxicity reduction evaluation, and/or an assessment of discharge treatment alternatives may be requested j) Added electronic reporting of discharge monitoring reports The Kerr Lake Regional V TP consists of the following units a splitter box, calcium thiosulfate feed system for dechlorination, settling pond, two (2) batch thickening basins, and four (4) sludge drying beds At the time of inspection, both thickening basins had capacity for more wastewater Granville Farms hauls and land applies sludge The dechlorination unit was operating normally Effluent discharging into the UT to Anderson Swamp Creek appeared clear with no foam or solids The lab was checked in a cursory manner The lab is certified for pH, and Total Residual Chlorine (TRC) Pace Analytical Labs analyses all other permit parameters pH buffers 4 7 and 10 and TRC vials were within expiration date Calibration records were up to date Page# Permit NCO083101 Owner - Facility Kerr Lake Regional WTP Inspection Date 01/29/2018 Inspection Type Compliance Evaluation Yes No NA NE Is containment adequate? ® ❑ Permit Yes No NA NE (If the present permit expires In 6 months or less) Has the permittee submitted anew ❑ ❑ 0 ❑ application? ❑ ❑ ❑ Is the site free of excessive leaking? Is the facility as described In the permit? 0 ❑ ❑ ❑ # 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 There are no special conditions 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? M ❑ ❑ ❑ If effluent (diffuser pipes are required) are they operating properly? ❑ ❑ ® ❑ Comment Effluent appeared clear with no foam or solids Chemical Feed Yes No NA NE Is containment adequate? ® ❑ ❑ ❑ Is storage adequate? ■ ❑ ❑ ❑ Are backup pumps available? ® ❑ ❑ ❑ Is the site free of excessive leaking? ® ❑ ❑ ❑ Comment Dechlonnatlon feed consists of a peristaltic pump to feed calcium thlosulfate Record Keeping Yes No NA NE Are records kept and maintained as required by the permit? ® ❑ ❑ ❑ Is all required Information readily available, complete and current? M ❑ ❑ ❑ Are all records maintained for 3 years (lab reg required 5 years)? ® ❑ ❑ ❑ Are analytical results consistent with data reported on DM Rs? ® p ❑ ❑ Is the chain -of -custody complete? ❑ ❑ ❑ 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 ❑ Page# 3 Permit NCO083101 Inspection Date 01/29/2018 Owner - Facility Kerr Lake Regional WTP Inspection Type Compliance Evaluation Record Keepinq Yes No NA NE Are DMRs complete do they Include all permit parameters? M ❑ ❑ ❑ 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 operator ❑ ❑ ■ ❑ on each shift? Is the tubing clean? ❑ ❑ ® Is the ORC visitation log available and current? M ❑ _❑ ❑ 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? 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? ■ ❑ ❑ ❑ Comment Effluent Sampling Yes No NA NE Is composite sampling flow proportional? ❑ ❑ ® ❑ Is sample collected below all treatment units? ® ❑ ❑ ❑ Is proper volume collected? ® ❑ ❑ ❑ Is the tubing clean? ❑ ❑ ® ❑ # Is proper temperature set for sample storage (kept at less than or equal to 6 0 degrees ❑ ❑ ® ❑ Celsius)? Is the faclliy sampling performed as required by the permit (frequency, sampling type ® ❑ ❑ ❑ representative)? Comment All samples are "GRAB" type Page# 4