The URL can be used to link to this page

Home My WebLink AboutNCG500139_Compliance Evaluation Inspection_20180420Water Resources ENVIRONMENTAL QUALITY April 20, 2018 Ms. Melanie Gardner, Water Management Duke Energy Carolinas, LLC 4800 Concord Road, CN06MT York, SC 29745 Dear Ms. Gardner: ROY COOPER Governor MICHAEL S. REGAN Secretary LINDA CULPEPPER Interim Director Subject: Compliance Evaluation Inspection Cowans Ford Hydroelectric Station NPDES Permit No. NCG500139 Lincoln County Enclosed is a copy of the Compliance Evaluation Inspection for the inspection conducted at the subject facility on April 19, 2018, by Ori Tuvia. Your and Glenn Long's cooperation during the site visit was much appreciated. Please advise the staff involved with this NPDES Permit by forwarding a copy of the enclosed report. The report should be self-explanatory; however, should you have any questions concerning this report, please do not hesitate to contact Ori Tuvia at (704) 235-2190, or at ori. tuvia(a),ncdenr. gov. Sincerely, DocuSigned by: A4.-dzew H Nu" F161 FB69A2D84A3... for W. Corey Basinger Regional Supervisor Mooresville Regional Office Division of Water Resources Cc: NPDES Unit, MRO Files (Laserfiche) 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 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 NCG500139 111 12 I 18/04/19 I17 18 I S J 19 LG] 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 1.0 70Iq I 71 72n, 73I i74 751 1 1 1 1 80 u Int 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) 12:15PM 18/04/19 16/01/19 Cowans Ford Hydroelectric Station 257 Duke Ln Exit Time/Date Permit Expiration Date Stanley NC 28164 02:15PM 18/04/19 20/07/31 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data Glenn Long//980-722-0678 / Melanie Gardner//803-701-5779 / Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Michael T Brissie,257 Duke Ln Stanley NC 28164/General Manager// No Section C: Areas Evaluated During Inspection (Check only those areas evaluated) Permit 0 Flow Measurement Operations & Maintenance 0 Records/Reports Self-Monitoring Program 0 Facility Site Review Effluent/Receiving Waters 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 DocuSigned by: Ori A Tuvia -c MRO WQ//704-663-1699/ 4/20/2018 IBB057A2DE017498... Signature of Management Q A Reviewer Agency/Office/Phone and Fax NumbDocuSigned by: Date Andrew Pitner MRO WQ//704-663-1699 Ext.21 Numb, H Nuft 4/20/18 F161FB6gA2D84A3... EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. Page# NPDES yr/mo/day Inspection Type NCG500139 111 121 18/04/19 1 17 18 JCJ Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) Page# Permit: NCG500139 Owner - Facility: Cowans Ford Hydroelectric Station Inspection Date: 04/19/2018 Inspection Type: Compliance Evaluation Yes No NA NE Are records kept and maintained as required by the permit? 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 subject permit expires on 7/31/2020. 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)? 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 CM Are DMRs complete: do they include all permit parameters? ❑ ❑ ❑ 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 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? ❑ ❑ 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? ❑ ❑ ❑ Page# 3 Permit: NCG500139 Inspection Date: 04/19/2018 Record Keeping Owner - Facility: Cowans Ford Hydroelectric Station Inspection Type: Compliance Evaluation Yes No NA NE Comment: Duke Enerav Carolinas. LLC has been certified by the Division to conduct the reauired oil & grease analyses (Commercial Laboratory #248) as well the temperature and pH analyses (Field Laboratory #5134). TRC and COD analyses are not required because no chemicals are added in the electricity generating process. The records reviewed during the inspection were organized and well maintained. Effluent, upstream, and downstream data were reviewed for 2017. No effluent limit violations and/or instream temperature exceedances were reported. 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 discharge flow is estimated. 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 0 ❑ ❑ ❑ representative)? Comment: The subject permit requires grab sampling. Upstream / Downstream Sampling Yes No NA NE Is the facility sampling performed as required by the permit (frequency, sampling type, and 0 ❑ ❑ ❑ sampling location)? Comment: The permittee was compliant with the temperature requirements on all monitoring occasions 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? Page# 4 Permit: NCG500139 Inspection Date: 04/19/2018 Operations & Maintenance Owner - Facility: Cowans Ford Hydroelectric Station Inspection Type: Compliance Evaluation Yes No NA NE Comment: The Permittee notes 14 outfalls at the station for the four electric aeneratina units: four outfalls are maintained for emergency bypass procedures. Discharges are released at the tailrace of the dam. Oil/water separators are used on Outfalls 001, 004, 007, 010, and 013 to remove oil that might leak from the generators or associated equipment. Outfall 014 discharges groundwater seepage through the dam to ensure structural integrity 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 facility was not discharging at the time of the inspection. Page# 5