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Home My WebLink AboutNC0004961_Compliance_20130912f NCDENR North Carolina Department of Environment and Natural Resources Division of Water Resources Water Quality Programs Pat McCrory Thomas A Reeder Governor Director Mr. Allen Stowe, Water Management Duke Energy Corporation Post Office Box 1006/EC13K Charlotte, North Carolina 28201-1006 Dear Mr. Stowe. September 12, 2013 L SEP 1.6 '013 a. Subject- Compliance Evaluation Inspection Riverbend Steam Station NPDES Permit No. NC0004961 Gaston County car=t «7 +-,TLL— John E Skvarla, III Enclosed is a copy of the Compliance Evaluation Inspection Report for the inspection conducted at the subject facility on September 6, 2013 by Mr. Wes Bell of this Office Please inform the facility's Operator -in - Responsible (ORC) of our findings 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 Mr. Bell at (704) 235-2192 or at wes bell@iicdenr Qov Sincerely, .0 Michael L. Parker Regional Supervisor Surface Water Protection Section Enclosure - Inspection Report cc: Gaston County Health Department W. 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 www ncwaterquality org An Equal Opportunity, Affirmative Action Employer — 30% Recyciedi10% Post Consumer paper NorthCarolina VVahzinallY i United States Environmental Protection Agency Form Approved EPA Washington, D C 20460 OMB No 2040-0057 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 I N I 2 151 31 NC0004961 1 11 121 13/09/06 117 181 C I 191 S I 201 1 Remarks 2111111111 11111111111111111111 11111111111111111116 Inspection Work Days Facility Self-Monitoring Evaluation Rating B1 QA ---------------------Reserved---------------- 671 1 5 169 70141 711 N I 72 I N I 73 LU 74 751 1 1 1 1 1 11 80 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 25 AM 13/09/06 11/03/01 Riverbend Steam Station Exit Time/Date Permit Expiration Date NC Hwy 16 Mount Holly NC 28120 11 45 AM 13/09/06 15/02/28 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Numbers) Other Facility Data /// Michael Joseph DePalma/ORC/704-731-4506/ Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Jimmie Allen Stowe,526 S Chruch St Charlotte NC 282011002//704-382-4309/7043829840 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 r� Wes Bell _ /tu� J MRO WQH704-663-1699 Ext 2192/ 4 ,�A ?� Sig nature of Management Q A evi er Agency/Office/Phone and Fax Numbers Dat Marcia Allocco MRO WQH704-663-1699 Ext 2204/ 1 EPA Form 3560-3 (Rev 9-94) revious editions are obsolete Page # 1 NPDES yr/mo/day Inspection Type 3I NC0004961 11 12I 13/09/06 117 18I d V Section D Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) Page # 2 J Permit NC0004961 Owner - Facility Riverbend Steam Station Inspection Date 09/06/2013 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? n n ■ n Is the facility as described in the permit? ■ n n n # Are there any special conditions for the permit? ■ n n n Is access to the plant site restricted to the general public? ■ n n n Is the inspector granted access to all areas for inspection? ■ n n n Comment The subject permit expires on 2/28/2015 The facility shut down in March 2013 with no current plans of reactivation. No chlorination was added to the Outfall 001 discharge during the previous discharge events Record Keeping Yes No NA NE Are records kept and maintained as required by the permit? ■ n n n Is all required information readily available, complete and current? ■ n n n Are all records maintained for 3 years (lab reg required 5 years)? ■ n n n Are analytical results consistent with data reported on DMRs? ■ n n n Is the chain -of -custody complete? ■ n n n 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? ■ n n n Has the facility submitted its annual compliance report to users and DWQ2 n n ■ n (If the facility is = or > 5 MGD permitted flow) Do they operate 24/7 with a certified operator on each shift? n n ■ n Is the ORC visitation log available and current? ■ n n n Is the ORC certified at grade equal to or higher than the facility classification? ■ n n n Is the backup operator certified at one grade less or greater than the facility classification? ■ n n n Is a copy of the current NPDES permit available on site? ■ n n n Facility has copy of previous year's Annual Report on file for review? n n ■ n Page # 3 Permit NC0004961 Inspection Date: 09/06/2013 Record Keeping Owner - Facility- Riverbend Steam Station Inspection Type Compliance Evaluation Comment The records reviewed during the Inspection were organized and well maintained Discharge Monitoring Reports (DMRs) were reviewed for the period July 2012 through June 2013 No limit violations were reported and all monitoring frequencies were correct Laboratory Are field parameters performed by certified personnel or laboratory? Are all other parameters(excluding field parameters) performed by a certified lab? # Is the facility using a contract lab? # Is proper temperature set for sample storage (kept at less than or equal to 6 0 degrees Celsius)? Incubator (Fecal Coliform) set to 44 5 degrees Celsius+/- 0 2 degrees? Incubator (BOD) set to 20 0 degrees Celsius +/- 1 0 degrees? Comment On-site field analyses (pH and temperature) are performed under laboratory certification #5157 Duke Energy's Environmental Services Laboratory (#248) and the contracted laboratory services of ETS, Inc (toxicity) and Shealy Environmental Services, Inc (low level mercury) also provide analytical support The pH meter appeared to be properly calibrated and documented Effluent Sampling 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 facility sampling performed as required by the permit (frequency, sampling type representative)? Comment: The subject permit requires effluent grab samples No discharges were reported at Outfall 002A (yard sump overflow) during the DMR review period No discharges have been reported from Outfall 002 (ash basin) since 5/13/ 2013 due to facility shutdown and the low volume of Influent flows (domestic wastewater, plant drains, etc ) Into the ash basin treatment system Yes No NA NE Yes No NA NE ■nnn ■nnn ■nnn ■nnn nn■n 171 F1 V-- Al- AIA A1C n n ■ n ■ n n n ■nnn F1 n ■ n ■nnn ■nnn Upstream / Downstream Sampling Yes No NA NE Is the facility sampling performed as required by the permit (frequency, sampling type, and sampling location)? ■ n n n Comment Operations & Maintenance Is the plant generally clean with acceptable housekeeping? Yes No NA NE ■nnn Page # 4 1 Permit NC0004961 Inspection Date- 09/06/2013 Owner - Facility Rrverbend Steam Station Inspection Type Compliance Evaluation Operations & Maintenance Yes No NA NE Does the facility analyze process control parameters, for ex MLSS, WRT, Settleable Solids, pH, DO, Sludge 0 ❑ ■ ❑ Judge, and other that are applicable? Comment The facility appeared to be properly operated and well maintained Comprehensive dike Inspections are performed (and documented) on a monthly basis for both ash basins The last two dike inspections were performed on 7/16/2013 and 8/26/2013 The water level at the discharge tower for the second ash basin (Outfall 002) was approximately twelve to sixteen Inches below the discharge weir (stop log) Flow Measurement - Effluent Yes No NA NE # Is flow meter used for reporting? n n ■ n Is flow meter calibrated annually? n F1 ■ n Is the flow meter operational? n n ■ n (If units are separated) Does the chart recorder match the flow meter? Cl n ■ n Comment Outfall 001 flows were measured by pump curves (calculations involving # of pumps, pump rates, pump run times, etc ) and Outfall 002 flows are measured by a staff guage and weir (with supporting calculations) Effluent Pipe Yes No NA NE Is right of way to the outfall properly maintained? ■ Q Cl 0 Are the receiving water free of foam other than trace amounts and other debris? ■ ❑ ❑ If effluent (diffuser pipes are required) are they operating properly? fl ❑ ■ ❑ Comment No effluent discharges were observed from Outfalls 001 and 002 The receiving stream (Outfall 002) did not appear to be negatively Impacted Page # 5