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Home My WebLink AboutNCS000020_Monitoring Report_20220211f' DUKE ENERGY® February 9, 2022 NCDENR Mooresville Regional Office 610 East Center Avenue/Suite 301 Mooresville NC 28115 Duke Energy McGuire Nuclear Station 12700 Hagers Ferty Road Huntersville, NC 28078 Subject: Annual Stormwater Report Duke Energy McGuire Nuclear Station Mecklenburg County NPDES Permit No. NCS000020 Attention: Mr. Zahid Khan Certified Mail: 7020 3160 0002 1682 0381 As required by Stormwater Permit NCS000020, attached is the Annual Stormwater Summary Report for Duke Energy, McGuire Nuclear Station for the year 2021. All sampling events were in compliance with benchmark values. If you have questions about the data reported please contact Gregory T Beaver by email at Gregory.Beaver@Duke-Energy.com or phone 980-875-2287. Edward R. Pigott McGuire Nuclear Station Plant Manager STORMWATER DISCHARGE OUTFALL (SDO) ANNUAL SUMMARY DATA MONITORING REPORT (DMR) Calendar Year 2021 Individual NPDES Permit No. NCS 000020 or Certificate of Coverage (COC) No. NCG❑❑❑❑❑❑ This monitoring report summary of the calendar year is due to the DWQ Regional Office no later than March 1s' of the j0powing year. Facility Name: Duke Energy McGuire Nuclear Station County: Mecklenburg Phone Number: (980) 875-2287 Total no. of SDOs monitored 3 Outfall No. 004 Is this outfall currently in Tier 2 (monitored monthly)? Yes ❑ No Was this outfall ever in Tier 2 (monitored monthly) during the past year? Yes ❑ No If this outfall was in Tier 2 last year, why was monthly monitoring discontinued? Enough consecutive samples below benchmarks to decrease frequency ❑ Received approval from DWQ to reduce monitoring frequency ❑ Other ❑ Was this SDO monitored because of vehicle maintenance activities? Yes ❑ No Parameter, (units) Total Rainfall, inches Total Flow TSS PCB TPH pH Benchmark N/A 100 No Amount 15 6-9 Date Sample Collected, mmlddlyy Inches MG mg/L ug/L mg/L SU 05/03/2021 0.71 0.144 28.00 ND ND 7.00 09/1612021 1 0.11 0.006 1.7 ND ND 7.40 S W U-264-Generic-25May2010 Additional Outfall Attachment Outfall No. 006 Is this outfall currently in Tier 2 (monitored monthly)? Yes ❑ No ® & �:of Was this outfall ever in Tier 2 (monitored monthly) during the past year? Yes ❑ No ® C 3 ti ohm°�" If this outfall was in Tier 2 last year, why was monthly monitoring discontinued? Enough consecutive samples below benchmarks to decrease frequency ❑ J�nOs Received approval from DWQ to reduce monitoring frequency ❑ Other ❑ Was this SDO monitored because of vehicle maintenance activities? Yes ❑ No Parameter, (units) Total Rainfall, inches Total Flow TSS PCB TPH pH Benchmark N/A 100 No Amount 15 6-9 Date Sample Collected, mm/dd/yy IIIIG mg/L aglL, mg/L SU 05/03/2021 0.71 0.007 5.30 ND ND 8.00 09/16/2021 0.11 0.022 <1.0 ND ND 7.80 SWU-264-Generic-25May2010 Additional Outfall Attachment Outfall No. 008 Is this outfall currently in Tier 2 (monitored monthly)? Yes ❑ No ® Q Was this outfall ever in Tier 2 (monitored monthly) during the past year? Yes ❑ No ® iU ti r 8 If this outfall was in Tier 2 last year, why was monthly monitoring discontinued? Enough consecutive samples below benchmarks to decrease frequency ❑ a Received approval from DWQ to reduce monitoring frequency ❑ m o� Other ❑ ` m Was this SDO monitored because of vehicle maintenance activities? Yes ® No ❑ Parameter, (units) Total inches Total Flow TSS PCB TPH pH Benchmark N/A 100 No Amount 15 6-9 FNewMotorRainfall, Date Sample Collected, mm/ddlyy Inches MG I mg/L ug/CmglL SU 3 i 05/03/2021 0.71 0.144 11.0 ND ND 7.48 64.5 09/16/2021 0.11 0.008 <1 ND ND 8.00 71.6 11/22/2021 0.15 0.011 <0.4 S W U -264-Generic-2 5 M a y 2 010 I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information, including the gosh ibility of fines Signature Date DWQ Regional Office Contact Information: knowing violations." Mail Annual DMR Summary Reports to: ASHEVILLE REGIONAL OFFICE 2090 US Highway 70 Swannanoa, NC 28778 (828)296-4500 RALEIGH REGIONAL OFFICE 3800 Barrett Drive Raleigh, NC 27609 (919)791-4200 WI NSTON-SALEM REGIONAL OFFICE 585 Waughtown Street Winston-Salem, NC 27107 33�1-5000 FAYETTEVILLE REGIONAL OFFICE 225 Green Street Systel Building Suite 714 Fayetteville, NC 28301-5043 (910)433-3300 943 Washington Square Mall Washington, NC 27889 (252) 946-6481 CENTRAL OFFICE 1617 Mail Service Center Raleigh, NC 27699-1617 (919) 807-6300 VIOORESVILLE REGIONAL OFFICE 610 East Center Avenue/Suite 301 Mooresville, NC 28115 (704) 663-1699 WILMINGTON REGIONAL OFFICE 127 Cardinal Drive Extension Wilmington, NC 28405-2845 (910)796-7215 "Tb preserve. Protect and enhance North CaroNna'. water..." S WU-264-Generic-25May2010