NC0003425_Roxboro Letter (prioritization)_20181113

ROY COOPER
Governor
MICHAEL S. REGAN
Secretory
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
November 13, 2018
Subject: Final Classification of the Two Coal Combustion Residuals Surface
Impoundments Located at Duke Energy's Roxboro Steam Station, Person County,
NC, Pursuant to N.C. Gen. Stat. § 130A -309.213(d)(1).
Dear Mr. Draovitch:
Pursuant to the Coal Ash Management Act (HB 630, Session Law 2016-95), the North Carolina
Department of Environmental Quality (NCDEQ) has determined that Duke Energy has met the
low-risk classification criteria set forth in N.C. Gen. Stat. § 130A -309.213(d)(1) for the two coal
combustion residuals surface impoundments, called the East Ash Basin (also referred to as the
1966 Semi -Active Ash Basin) and the West Ash Basin (also referred to as the 1973 Active Ash
Basin), located at Duke Energy's Roxboro Steam Station in Person County, NC. NCDEQ makes
the following specific findings:
1. Duke Energy has established permanent water supplies as required for the above
referenced impoundments pursuant to N.C. Gen. Stat § 130A-309.21 l(cl). See Exhibit 1
(Duke Energy Alternate Water Supply Submittal) and Exhibit 2 (NCDEQ Alternate
Water Supply Approval); and
2. Duke Energy has rectified any deficiencies identified by, and otherwise complied with
the requirements of, any dam safety order issued by the Environmental Management
Commission for the above referenced impoundments pursuant to N.C. Gen. Stat. § 143-
215.32. Specifically, NCDEQ has verified through inspection that Duke Energy has
rectified all deficiencies identified by Dam Safety Order 16-01 (issued on August 22,
2016) at Duke Energy's Roxboro Steam Station. See Exhibit 3 (Dam Safety Order 16-
01), Exhibit 4 (Dam Inspection Reports), Exhibit 5 (October 3, 2018 DEMLR Letter
Regarding Dam Safety Order 16-01 Compliance Status), and Exhibit 6 (October 10, 2018
EMC Meeting Minutes).
North Carolina Department of Environmental Quality
217 West Jones Street 11601 Mail Service Center I Raleigh, North Carolina 27699-1601
919.707.8600

Based upon the determinations above and in accordance with the Coal Ash Management Act,
NCDEQ classifies the two coal combustion residuals surface impoundments, called the East Ash
Basin and the West Ash Basin, at Duke Energy's Roxboro Steam Station as low-risk.
If you have any questions about NCDEQ's determinations provided in this letter, please contact
me at [phone].
Sincerely,
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Assistant Secretary for Environment
cc: Linda Culpepper, NCDEQ, Director, Division of Water Resources (no attachments)
Michael Scott, NCDEQ, Director, Division of Waste Management (no attachments)
Toby Vinson, NCDEQ, Director, Division of Energy Mineral and Land Resources (no
attachments)
Bill Lane, NCDEQ, General Counsel (no attachments)
NCDEQ Central File
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North Carolina Department of Environmental Quality
217 West Jones Street 1 1601 Mail Service Center I Raleigh, North Carolina 27699-1601
919.707.8b00