DDW-2025-002865

195 North 1950 West • Salt Lake City, UT
Mailing Address: P.O. Box 144830 • Salt Lake City, UT 84114-4830
Telephone [phone] • Fax [phone] • T.D.D. [phone]
www.deq.utah.gov
Printed on 100% recycled paper
State of Utah

SPENCER J. COX
Governor

DEIDRE HENDERSON
Lieutenant Governor

Department of
Environmental Quality

Kimberly D. Shelley
Executive Director

DIVISION OF DRINKING WATER
Nathan Lunstad, Ph.D., P.E.
Director of Drinking Water

December 12, 2024

Todd Poulsen
Canyon Fuel Co. LLC
Skyline Mine Water System
9815 S. Monroe St. Ste 203
Sandy, UT 84070

Subject: Corrective Action Plan for Skyline Mine Water System, UTAH04040 (2024-01)

Dear Todd Poulsen:

The Division of Drinking Water (the Division) has received your request for a Corrective Action
Plan to address the significant deficiencies associated with the Skyline Mine water system. A copy
of the Corrective Action Plan is enclosed with this letter. Please review the agreement and sign a
copy if you agree with the terms and return the signed copy to the Division within 14 days of receipt
of this agreement. A copy of the fully executed document will be returned to you.

Please contact Brandi Smith at [phone] or [e-mail] if you have any questions
regarding this letter or the enclosed copy of Corrective Action Plan.

Sincerely,

Helen Lau
Compliance and Operations Manager
Division of Drinking Water

Enclosures –Skyline Mine Corrective Action Plan 2024-01

cc: Orion Rogers, Southeast Utah Health Department, [e-mail]
Todd Poulsen, Skyline Mine Water System, [e-mail]
Curtis Page, P.E. District Engineers, Division of Drinking Water, [e-mail]
' ) 0 — @ A v A ? A C @ B w ? A ˜
Corrective Action Plan (2024-01)
Skyline Mine– UTAH04040

The purpose of this Corrective Action Plan (“CAP”) is to establish terms and conditions of
compliance for Skyline Mine (“System”), system number UTAH04040, to take actions and
correct significant deficiencies identified in Exhibit A.

The Corrective Action Plan terms and conditions are described in detail in Exhibit A. As long as
the System complies with every one of the requirements in Exhibit A, the Division will:
• Temporarily allow the extended deadlines for correcting the identified significant
deficiencies,
• Temporarily hold off assessing additional points for failure to fix violations, and
• Temporarily silence the significant deficiencies and hold off reporting those to US EPA.

Nothing in this Corrective Action Plan prohibits the Division from taking further enforcement
actions if the System fails to comply with any of the requirements in Exhibit A or if an imminent
public risk exists in the System.

We the undersigned parties agree to the terms, conditions and deadlines set forth in the Corrective
Action Plan (see Exhibit A).

___________________________________ ___________________________________
Helen Lau Todd Poulsen
Compliance & Operations Manager Skyline Mine Water System
_______________________, 2024 _______________________, 2024

* u * 0 ' . ) — @ B v A ? A C ? G w D E ˜
Todd R. Poulsen
Helen Lau (Dec 13, 2024 12:00 MST)

CAP Page 1
Exhibit A
Corrective Action Plan UTAH04040, 2024-01

System Name: Skyline Mine Water System
System Number: UTAH04040
Administrative Contact: Todd Poulsen
Email: [e-mail]
Phone Number: 435-469-1225

Corrective Action Plan Requirements and Due Dates

Distribution System (DS001)
Item #1 Deficiency
Code
Facility
ID
Significant Deficiency Rule Citation
G001 DS001 Unapproved facility in service R309-100-5(2), R309-500-6,
R309-500-9, R309-500-9(2)
and (3)
Deficiency Correction Path Due Date
System to obtain the proper operating permits once they have
completed the required testing to see if sand treatment plant can be
removed or needs to be kept in place
12/01/2025