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Home My WebLink AboutFINAL Technical Correction to October 8 2018 Letter and CSA-CAP Schedules 11-7-18 V6 - signed_20190405ROY COOPER Governor MICHAEL S. REGAN Secretary Paul Draovitch Senior Vice President Environmental, Health, & Safety Duke Energy 526 South Church Street Mail Code EC3XP Charlotte, North Carolina 28202 NORTH CAROLINA Environmental Quality April 5, 2019 Subject: Final Comprehensive Site Assessment and Corrective Action Plan Approvals for Duke Energy Coal Ash Facilities Dear Mr. Draovitch: The purpose of this letter is to establish submittal dates for Comprehensive Site Assessments (CSAs) and Corrective Action Plans (CAPS) for all 14 Duke Energy Coal Ash Facilities (Facilities). The schedule provided includes: • Restatement of schedules for the six Facilities that were established in the North Carolina Department of Environmental Quality (DEQ) October 8, 2018 letter. • Clarification that the March 31, 2020 submittal date for evaluation of sources at the Facilities that are not associated with the coal ash impoundments is for CSA Reports. • Establishment of CSA and CAP submittal dates for the remaining eight Facilities considering the November 5, 2018 Duke Energy proposed schedule and additional information regarding justification for proposed submittal dates. • List of primary sources to be included in each facility CSA or CAP. The following is the approved schedule for the submittal of CSAs and CAPs for each facility. Allen Steam Station • Due December 1, 2019 — Updated CAP for impoundments and other primary and secondary sources hydrologically connected to impoundments including the coal pile, retired ash basin landfill, two structural fills, and two dry ash storage areas. • Due March 31, 2020 — CSA for primary and secondary sources not associated with impoundments including the gypsum pad. -eo:: f Q. E� N �� North Carolina Department of Environmental Quality 217 West Jones Street 1 1601 Mail Service Center I Raleigh. North Carolina 27699-1601 919.707.8600 Asheville Steam Electric Plant • Due June 1, 2020 —Updated CSA for impoundments and other primary and secondary sources including the raw coal pile. • Due March 1, 2021 — Updated CAP for impoundments and other primary and secondary sources. Belews Creek Steam Station • Due December 1, 2019 —Updated CAP for impoundments and other primary and secondary sources hydrologically connected to impoundments including the Pine Hall Road Landfill. • Due March 31, 2020 — CSA for primary and secondary sources not associated with impoundments including the structural fill and coal pile. Buck Combined Cycle Station • Due October 1, 2020 — Updated CSA for impoundments and other primary and secondary sources including the coal pile. • Due July 1, 2021— Updated CAP for impoundments and other primary and secondary sources. Cape Fear Steam Electric Plant • Due September 1, 2020 — Updated CSA for impoundments and other primary and secondary sources including the former coal pile storage areas. • Due June 1, 2021— Updated CAP for impoundments and other primary and secondary sources. James E. Rogers EnerRv Com lex • Due December 1, 2019 — Updated CAP for impoundments and other primary and secondary sources hydrologically connected to impoundments including the ash storage areas and newly identified source east of Unit 6 and west of Suck Creek. o Duke Energy has indicated that investigation of the newly identified source east of Unit 6 and west of Suck Creek may require additional well installation that would require that the CAP due December 2019 not include this source area. In the event that this is the case, Duke shall notify DWR, and provide a summary of up-to-date findings so an appropriate schedule for this area can be established. • Due March 31, 2020 — CSA for primary and secondary sources not associated with impoundments including the raw coal piles north of Unit 6, switchyard ash disposal area, and gypsum pile. Dan River Combined Cycle Station • Due July 1, 2020 — Updated CAP for impoundments and other primary and secondary sources including the former coal yard. H. F. Lee Energy Com lex • Due October 1, 2020 — Updated CSA for impoundments and other primary and secondary sources including the coal staging area/coal pile and lay of land area. • Due July 1, 2021 — Updated CAP for impoundments and other primary and secondary sources. Marshall Steam Station • Due December 1, 2019 — Updated CAP for impoundments and other primary and secondary sources hydrologically connected to impoundments including the coal pile and gypsum pile. ceo:f RE Q� North Carolina Department of Environmental Quality 217 West Jones Street 1 1601 Mall Service Center I Raleigh, North Carolina 27699-1601 919.707.8600 Mavo Steam Electric Plant • Due December 1, 2019 — Updated CAP for impoundments and other primary and secondary sources hydrologically connected to impoundments which may include the active coal storage pile areas. • Due March 31, 2020 — CSA for primary and secondary sources not associated with impoundments including the gypsum pad and low volume wastewater pond. Riverbend Steam Station • Due May 1, 2020 —Updated CAP for impoundments and other primary and secondary sources including the former coal yard. Roxboro Steam Electric Plant • Due December 1, 2019 — Updated CAP for impoundments and other primary and secondary sources hydrologically connected to impoundments including the West Ash Basin Extension Impoundment and associated discharge canal and the East Ash Basin Extension Impoundment and associated discharge canal. • Due March 31, 2020 — CSA for primary and secondary sources not associated with impoundments including the coal storage pile. L. V. Sutton Ener;;y Complex • Due May 1, 2020 — Updated CAP for impoundments and other primary and secondary sources including the former ash disposal area, former process area, and former coal stockpile area. W. H. Weatherspoon Power Plant • Due June 1, 2020 — Updated CSA for impoundments and other primary and secondary sources including the coal storage area and cooling pond. • Due March 1, 2021 — Updated CAP for impoundments and other primary and secondary sources. Any required assessment of source areas not permitted by the Division of Water Resources and not hydrologically associated with the CCR impoundments (such as a solid waste landfill) will be at the discretion of the permitting division/section of DEQ. If you have any questions, please contact me at (919) 707-8619. Sincerely, Sheila Holman Assistant Secretary for Environment Cc: Bill Lane Ed Mussler, DWM Jon Risgaard, DWR George Eller, DEMLR WQROS Regional Office Supervisors DEQ Central File Copy PO V_.; North Carolina Department of Environmental Quality 217 West Jones Street 1 1601 Mail Service Center I Raleigh, North Carolina 27699-1601 919.7078600