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Home My WebLink About7302_Roxboro_WAB_REVISED_Table10-1_FID1389552_20200206KE ENERGY, February 6, 2020 HAND DELIVERY AND ELECTRONIC MAIL Ms. Shelia Holman Assistant Secretary North Carolina Department of Environmental Quality 1611 Mail Service Center Raleigh, NC 27699-1611 RE: Ash Basin Closure Plans — Revision Allen Steam Station Belews Creek Steam Station Cliffside Steam Station/Rogers Energy Complex Marshall Steam Station Mayo Power Station Roxboro Power Station Dear Ms. Holman: George T. Hamrick Senior Vice President Coal Combustion Products 400 South Tryon Street ST06A Charlotte, NC 28202 Phone., 980-373-8113 Email. george.hamrick@duke-energy.com In accordance with the requirements of North Carolina General Statues § 130A-309. 214(a)(4), Closure of Coal Combustion Residuals Surface Impoundments, and the requirements of the Settlement Agreement, Duke Energy provides revisions to the Basin Closure Plans submitted on December 31, 2019 and January 30, 2020 for the subject stations. This revision consists of an updated Appendix D, Closure Plan Drawings, for the Cliff side Steam Station and the Roxboro Power Station and an updated Table 10-1, Regulatory Permits, Approvals, or Requirements for Basin Closure by Excavation, for each of the subject closure plans. Duke Energy remains committed to safely and permanently closing basins in ways that continue to protect people and the environment and welcomes the opportunity to work constructively with NCDEQ to move forward. Respectfully submitted, Georg . Hamrick Senior Vice President NCDEQ cc: damsafety@ncdenr.gov, deq.coalash@ncdenr.gov, Ed Mussler, Steven Lanter, Toby Vinson Duke Energy cc: Jessica Bednarcik, Dave Renner, Dan Mc Rainey, Jim Wells, Ed Sullivan, Michael Kafka, Randy Hart Wood Environment & Infrastructure Solutions, Inc. Duke Energy —Roxboro Plant wood. WAB Coal Combustion Residuals Surface Impoundment Closure Plan (Excavation) Table 10-1: Regulatory Permits, Approvals, or Requirements for CCR Basin Closure by Excavation Duke Energy, Roxboro Steam Electric Plant Permit/Approval General Permit Regulating Existing Type of Regulatory Name or Subject Agency Permit No. Approval Comments (if applicable) Mechanism or Not Required Permit modification likely due to the increased Air Quality NCDEQ Permit modification heavy equipment vehicle likely traffic and potential dust generated during closure activities Person A local building permit is Building Permit County New Permit required for installation of construction trailers Modification or abandonment of CAMA CAMA Monitoring Written NCDEQ program monitoring Plan NCDEQ DWR approval wells require the approval of the Division of Water Resources DWR CCR Impoundment US EPA Self -Regulating Required postings to Closure CCR Rule Public Record CCR Maintain CCR GW Impoundment US EPA Self -Regulating monitoring network and Monitoring CCR Rule requirements as stated Network in 257.90 - 257.98 Clean Water Act 401 Clean Water Act 404 Cutting Trees Permitting is required to PERSO-038 modify or abandon wells PERSO-039 Certificate of and instrumentation on Dam Safety NCDEQ PERSO-040 Approval to Modify regulatory dams through PERSO-041 the Division of Energy, PERSO-042 Mineral, and Land Resources DEMLR PERSO-038 Permitting is required to PERSO-039 Certificate of Final modify or abandon wells Dam Safety NCDEQ PERSO-040 Approval and instrumentation on PERSO-041 regulatory dams through PERSO-042 the Division of Energy, Wood Environment & Infrastructure Solutions, Inc. Duke Energy —Roxboro Plant wood. WAB Coal Combustion Residuals Surface Impoundment Closure Plan (Excavation) Table 10-1: Regulatory Permits, Approvals, or Requirements for CCR Basin Closure by Excavation Duke Energy, Roxboro Steam Electric Plant Permit/Approval General Permit Regulating Existing Type of Regulatory Name or Subject Agency Permit No. Approval Comments (if applicable) Mechanism or Not Required Mineral, and Land Resources (DEMLR) WAB Main Dam - Permitting is required to modify the dam in accordance with the Dam Safety Law of Dam Safety NCDEQ PERSO-038 Certificate of 1967, 15A NCAS Approval to Modify 02K.0201 (b)(2); an application must be filed with the Division of Energy, Mineral, and Land Resources DEMLR WAB Main Dam — Approval of construction completion is required in accordance with the Certificate of Final Dam Safety Law of Dam Safety NCDEQ PERSO-038 Approval 1967, 15A NCAS 02K.0220; an engineer's report must be filed with the Division of Energy, Mineral, and Land Resources DEMLR WAB Rock Filter Dam - Permitting is required to modify the dam in accordance with the Dam Safety Law of Dam Safety NCDEQ PERSO-039 Certificate of 1967, 15A NCAS Approval to Modify 02K.0201 (b)(2); an application must be filed with the Division of Energy, Mineral, and Land Resources DEMLR Wood Environment & Infrastructure Solutions, Inc. Duke Energy —Roxboro Plant wood. WAB Coal Combustion Residuals Surface Impoundment Closure Plan (Excavation) Table 10-1: Regulatory Permits, Approvals, or Requirements for CCR Basin Closure by Excavation Duke Energy, Roxboro Steam Electric Plant Permit/Approval General Permit Regulating Existing Type of Regulatory Name or Subject Agency Permit No. Approval Comments (if applicable) Mechanism or Not Required WAB Rock Filter Dam — Approval of construction completion is required in accordance with the Certificate of Final Dam Safety Law of Dam Safety NCDEQ PERSO-039 Approval 1967, 15A NCAS 02K.0220; an engineer's report must be filed with the Division of Energy, Mineral, and Land Resources DEMLR FGD West Settling Pond Dam - Permitting is required to remove the dam in accordance with the Dam Safety Law of Dam Safety NCDEQ PERSO-040 Certificate of 1967, 15A NCAS Approval to Modify 02K.0201 (b)(2); an application must be filed with the Division of Energy, Mineral, and Land Resources DEMLR FGD West Settling Pond Dam — Approval of construction completion is required in accordance with the Dam Safety NCDEQ PERSO-040 Certificate of Final Dam Safety Law of Approval 1967, 15A NCAS 02K.0220; an engineer's report must be filed with the Division of Energy, Mineral, and Land Resources DEMLR FGD East Settling Pond Dam - Permitting is Certificate of required to remove the Dam Safety NCDEQ PERSO-041 Approval to Modify dam in accordance with the Dam Safety Law of 1967, 15A NCAS 02K.0201 (b)(2); an Wood Environment & Infrastructure Solutions, Inc. Duke Energy —Roxboro Plant wood. WAB Coal Combustion Residuals Surface Impoundment Closure Plan (Excavation) Table 10-1: Regulatory Permits, Approvals, or Requirements for CCR Basin Closure by Excavation Duke Energy, Roxboro Steam Electric Plant Permit/Approval General Permit Regulating Existing Type of Regulatory Name or Subject Agency Permit No. Approval Comments (if applicable) Mechanism or Not Required application must be filed with the Division of Energy, Mineral, and Land Resources (DEMLR) FGD East Settling Pond Dam — Approval of construction completion is required in accordance with the Dam Safety NCDEQ PERSO-041 Certificate of Final Dam Safety Law of Approval 1967, 15A NCAS 02K.0220; an engineer's report must be filed with the Division of Energy, Mineral, and Land Resources DEMLR FGD Forward Flush Pond Dam - Permitting is required to remove the dam in accordance with the Dam Safety Law of Dam Safety NCDEQ PERSO-042 Certificate of 1967, 15A NCAS Approval to Modify 02K.0201 (b)(2); an application must be filed with the Division of Energy, Mineral, and Land Resources DEMLR FGD Forward Flush Pond Dam — Approval of construction completion is required in Dam Safety NCDEQ PERSO-042 Certificate of Final accordance with the Approval Dam Safety Law of 1967, 15A NCAS 02K.0220; an engineer's report must be filed with the Division of Energy, Wood Environment & Infrastructure Solutions, Inc. Duke Energy —Roxboro Plant wood. WAB Coal Combustion Residuals Surface Impoundment Closure Plan (Excavation) Table 10-1: Regulatory Permits, Approvals, or Requirements for CCR Basin Closure by Excavation Duke Energy, Roxboro Steam Electric Plant Permit/Approval General Permit Regulating Existing Type of Regulatory Name or Subject Agency Permit No. Approval Comments (if applicable) Mechanism or Not Required Mineral, and Land Resources (DEMLR) Utilization of or modification to state or federal highways to DOT - General transport CCR will require consultation or notification to relevant DOT agency Temporary access or Driveway Permit NCDOT driveway permits as needed Land disturbance activities outside of the WAB will exceed one acre, therefore in conformance with 15A NCAC 04, an E&SC Erosion and NCDEQ and Permit is required from Sediment Control Person New Permit Land Quality prior to (E&SC) County commencement of construction in those areas. Note that land disturbance includes tree clearing and grubbing and vehicular wheel or tracking as disturbance. Removal from or import of material could be Fire Ants Restriction not likely restricted dependent on the potential for fire ants and geographic regions involved Wood Environment & Infrastructure Solutions, Inc. Duke Energy —Roxboro Plant wood. WAB Coal Combustion Residuals Surface Impoundment Closure Plan (Excavation) Table 10-1: Regulatory Permits, Approvals, or Requirements for CCR Basin Closure by Excavation Duke Energy, Roxboro Steam Electric Plant Permit/Approval General Permit Regulating Existing Type of Regulatory Name or Subject Agency Permit No. Approval Comments (if applicable) Mechanism or Not Required Flood Damage Prevention Ordinance of Person County, Article 3 General Provisions, Section C, requires a Floodplain Person New Permit Floodplain Development Development County Permit prior to any development activities within FEMA mapped Special Flood Hazard Areas for the Flood Insurance Rate Maps Permits are required to construct any water supply well or water well Large Capacity system with a design Water Supply Well NCDEQ New Permit possible capacity equal to or greater than 100,00 gallons per day - for dewatering outside of the WAB If movement of CCR will Multi -State Not required cross state lines, multi - Agreement state regulations might apply NPDES (National Modification of NPDES Pollution Discharge NCDEQ NC0038377 Permit modification may be necessary if new Elimination likely source or outfall is System) created. NPDES (National Revision to existing Pollution Discharge sitewide permit or new Elimination NCDEQ Permit revision likely permit may be required System) Industrial for access roads, staging Stormwater areas, etc. NPDES (National Pollution Permit required for Discharge NCDEQ New Permit possible temporary and Elimination permanent stormwater System) rerouting. Stormwater Wood Environment & Infrastructure Solutions, Inc. Duke Energy —Roxboro Plant wood. WAB Coal Combustion Residuals Surface Impoundment Closure Plan (Excavation) Table 10-1: Regulatory Permits, Approvals, or Requirements for CCR Basin Closure by Excavation Duke Energy, Roxboro Steam Electric Plant Permit/Approval General Permit Regulating Existing Type of Regulatory Name or Subject Agency Permit No. Approval Comments (if applicable) Mechanism or Not Required Removal from or import of vegetated material could be restricted Noxious Weeds dependent on the vegetation and geographic regions involved Railroad Construction activities Easement, adjacent to tracks/ballast Access, or or a new railroad Crossing Permit crossing require an agreement or permit In accordance with the SPCC (Spill Federal Water Prevention Control Modification of Pollution Control Act and NCDEQ existing plan (Clean Water Act) of Countermeasure) 1974, Title 40, Code of Plan Federal Regulations, Part 112. Threatened or Federal and/or state Endangered regulations may apply Species: including agency Candidate consultation and Conservation performing site -specific Agreement surveys within the proper Avian Protection NCDEQ survey period (e.g., Plan(s) And EPA flowering period for listed Bird and Bat plant) to determine if Conservation Threatened or Strategies Endangered Species or Eagle Conservation Plan their habitat exist within Eagle Take Permit the limits of disturbance Solid Waste Permit to NCDEQ Permit Landfill expansion Construct Solid Waste Permit to Operate NCDEQ Permit Landfill expansion