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Home My WebLink AboutNCS000548_MONITORING INFO_20190203STORMWATER DIVISION CODING SHEET NCS PERMITS PERMIT NO. Z- DOC TYPE ❑FINAL PERMIT MONITORING REPORTS O APPLICATION ❑ COMPLIANCE ❑ OTHER � � I GI vJV DOC DATE 0 YYYYMMDD DUKE DUKE ENERGY CORPORATION ENERGY Marshall Steam Station 8320 East NC Highway 150 Terrell, NC 28682 January 29, 2020 NC Dept. of Environmental Quality Attention: Central Files FEB 0 3 2019 Division of Water Resources CCNTR9L !:!� 1617 Mail Service Center DVVR 0>s Raleigh, NC 27699-1617 Subject: Duke Energy Carolinas, LLC NPDES Stormwater Discharge Monitoring Report for: Marshall Steam Station - NCS000548 — Catawba County Year 5 - Tier li Monthly Sampling Results Dear Sir or Madam: In accordance with Part III, E(2) of the above referenced NPDES Stormwater permit, the original and one copy of the Stormwater Discharge Outfall (SDO) monitoring reports containing results of the Tier II monthly sampling is attached. Representative samples were not collected during from SWO07 or SWO08 during December 2019 because of no -flow conditions at the facility, including stormwater events not initiating during daylight hours or stormwater events that did initiate on weekend days or inside 72-hour period since the last stormwater event. Samples were collected from SWO07 and SWO08 on January 7, 2020, and the corresponding stormwater DMR for this monitoring event is attached. No exceedances of permit benchmarks were exceeded during the January 2020 monitoring event. Currently SWO07 remains in Tier 2 status for two prior consecutive values for copper outside the permit benchmark range. Additionally, SWO08 remains in Tier 3 status for four intermittent TSS values reported outside the benchmark range within the permit cycle. Please direct any correspondence or questions concerning the Marshall Steam Station NPDES Stormwater Program to Robert Wylie at (704) 382-4669. Sin rely, �L�G 4,/ Rick R. Roper General Manager III Marshall Steam Station attachment www.duke-energy.com DUKE ENERGY CORPORATION Marshall Steam Station 8320 East NC Highway 150 Terrell, NC 26682 be w/attachment: Scott La Sala Robert Wylie File: CCP EHS UPS Tracking Number 1Z8955X40392142640 Raleigh Central Office www.duke-energy.com STORNIWATER DISCHARGE OUTFALL (SDO) MONITORING REPORT Permit Number NCS000548 FACILITY NAME Marshall Steam Station PERSON COLLECTING SAMPLE(S) Staff CERTIFIED LABORATORY(S) Duke Energy of the Carolinas LLC Lab #248 Part A: Specific Monitoring Requirements SAMPLES COLLECTED DURING CALENDAR YEAR. 2019 (This monitoring report shall be received by the Division no later than 30 days from the date the facility receives the sampling results from the laboratory.) Outfall No. Date Sample Collected 00400 C0530 Total Rainfall pH Solids, Total Suspended - Concentration mo/dd/ -r inches m L SIV007 NO FLOW --- I--- --- Outfall No. Date Sample Collected 00400 C0530 Total Rainfall pH Solids, Total Suspended - Concentration mo/ddl r inches m L SWO08 NO FLOW --- --- --- COUNTY Catawba PHONE NO. 800 777-9898 SIGNATURE OF PERMITTEE OR DESIGNEE REQUIRED ON PAGE 2. REC IVED FEB 0 3 Z019 0.r-CTION Samples were not collected from stormwater outfall SWO07 and SWO08 during December 2019 as a result to NO FLOW conditions. Form SWU-247. fast revised 21212012 Page I of 2 STORMWATER DISCHARGE OUTFALL (SDO) MONITORING REPORT Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month? _yes X no (if ycs, complete Part B) Part B: Vehicle Maintenance Activity Monitoring Requirements Outfall Date 50050 00556 00530 00400 Total Flow Total Oil & Grease Non -polar Total pH New Motor - No. Sample Collected (if applicable) Rainfall (if.appl.) O&G/TPH - Suspended Oil Usage (Method 1664 Solids SGT-HEM), if a 1. mo/dd/ r MG inches m m unit gaunno STORM EVENT CHARACTERISTICS: Mail Original and one copy to: Division of Water Quality Date NO FLOW Attn: Central Files Total Event Precipitation (inches): NA 1617 Mail Service Center Event Duration (hours): (only if applicable —see permit.) Raleigh, North Carolina 27699-1617 (if more than one storm event was sampled) Date Total Event Precipitation (inches): Event Duration (hours): (only if applicable — see permit.) "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, includyng the possibil}oofjpes and imprisonment for knowing violations." (Signature of Permittee (Date) Form SWU-247, last revised 21212012 Page 2 of 2 STORMWATER DISCHARGE OUTFALL (SDO) MONITORING REPORT Permit Number NCS000548 FACILITY NAME Marshall Steam Station PERSON COLLECTING SAMPLE(S) Staff CERTIFIED LABORATORY(S) Duke Energy of the Carolinas, LLC Lab #248 Shealy Environmental Services, NC_Lah #329 Part A: Specific Monitoring Requirements SAMPLES COLLECTED DURING CALENDAR YEAR: 2020 (This monitoring report shall be received by the Division no later than 30 days from the date the facility receives the sampling results from the laboratory.) COUNTY Catawba PHONE NO. (800) 777-9898 SIGNATURE OF PERMITTEE OR DESIGNEE REQUIRED ON PAGE 2. Outfall No. Date Sample Collected 00400 01077 01002 01022 01012 01027 Total Rainfall pH Silver, Total (as Ag) Arsenic, Total (as As) Boron, Total (as B) Beryllium, Total (as Be) Cadmium, Total (as Cd) moldd/ r inches m L m m L m L m L SWO07 01/07/20 10.1 17.3 1 <0.0002 0.00136 70.05 <0.001 <0.601 Outfall Date 01034 01042 01067 01051 01097 01147 01059 01092 No. Sample Collected Chromium, Total (as Cr) Copper, Total (as Cu) Nickel, Total (as Ni) Lead, Total (as Ph) Antimony, Total (as Sb) Selenium, Total (as Se) Thallium, Total (As Tl) Zinc, Total (as Zn) mo/dd/ r m m mgtL m L mgfL m L m L m L SW007 01/07/20 0.00217 0.00362 0.00217 0.00104 <0.001 0.00111 <0.0002 0.092 Outfall Date 71900 C0530 34671 39488 39492 39496 39500 39504 39508 00556 No. Sample Collected Mercury, Total, Method 1631E Solids, Total Suspended- Concentration PCB-1016 (Arochlor 1016) PCB-1221 (Arochlor 1221) PCB-1232 (Arochlor 1232) PCB-1242 (Arochlor 1242) PCB-1248 (Arochlor 1248) PCB-1254 (Arochlor 1254) PCB-1260 (Arochlor 1260) Oil & Grease mo/dd/ yr n L m L L LPg1L m SWO07 01/07/20 14.1 21 <0.40 <0.40 <0.40 <0.40 <0.40 <0.40 <0.40 <5.2 Outfall No. Date Sample Collected 00400 C0530 Total Rainfall pH Solids, Total Suspended - Concentration mo/dd/yr inches mg/L SW008 01/07/20 0.1 7.2 33 Form 5WU-247, last revised 21212012 Page 1 of 2 STORMWATER DISCHARGE OUTFALL (SDO) MONITORING REPORT Samples from stormwater outfalls SWO07 and SWO08 were collected on January 7, 2020. No permit benchmarks were exceeded for this monitoring event. SWO07 was reported below benchmarks for the second period following the continued Tier II status. Outfall SWO08 remains in Tier 3 status due to the intermittent exceedances for TSS through this permit cycle. Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month? ,yes X no (if yes, complete Part B) Part B: Vehicle Maintenance Activity Monitoring Requirements Outfall Date 50050 00556 00530 00400 Total Flow Total Oil & Grease Non -polar Total pH New Motor No. Sample Collected (if applicable) Rainfall (if appl.) O&G/TPH Suspended Oil Usage (Method 1664 Solids SGT-HEM), if appl. mo/dd/ r MG inches m m unit al/mo STORM EVENT CHARACTERISTICS: Mail Original and one copy to: Division of Water Quality Date 01/07/2020 Attn: Central Files Total Event Precipitation (inches): _0.1 1617 Mail Service Center Event Duration (hours): (only if applicable — see permit.) Raleigh, North Carolina 27699-1617 (if more than one storm event was sampled) Date Total Event Precipitation (inches): Event Duration (hours): (only if applicable — see permit.) "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 possibility of fines and imprisonment for knowing violations." (Signature of Permittee) i%�f 7� � (lute) Form SWU-247, last revised 2,1212012 Page 2 of 2