General Information

Government Type

State Agency

Entity

Department of Environmental Quality

Public Body

Division of Water Quality

Notice Information

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Notice Title

Public Notice - Canyon Fuel Company, LLC - Skyline Mine

Notice Tags

Water Quality

Notice Type(s)

Notice

Event Start Date & Time

September 24, 2020 08:00 AM

Event End Date & Time

October 26, 2020 05:00 PM

Description/Agenda

DIVISION OF WATER QUALITY UTAH DEPARTMENT OF ENVIRONMENTAL QUALITY PUBLIC NOTICE OF RENEWAL OF UPDES PERMIT PURPOSE OF PUBLIC NOTICE The purpose of this public notice is to declare the state of Utah's intention to renew a Utah Pollutant Discharge Elimination System (UDPES) Permit under authority of the Utah Water Quality Act, Section 19-5-104 and 107, Utah Code Annotated 1953, as amended. Said 'permit' refers to UPDES Permit and the Fact Sheet and Statement of Basis (including the total maximum daily loads (TMDL's)) if applicable, as per Section 303 (d) of the Federal Clean Water Act (CWA). PERMIT INFORMATION PERMITTEE NAME: Canyon Fuel Company, LLC - Skyline Mine MAILING ADDRESS: HC 35, Box 380, Helper, UT 84526 TELEPHONE NUMBER: 435-636-2887 FACILITY LOCATION: ~8 miles southwest of Scofield, Utah along SR 264 UPDES PERMIT NO.: UT0023540 PERMITTED OUTFALLS: 001, 002, 003, 004, & 005 RECEIVING WATERS: Eccles Creek, UP Canyon Creek, Winter Quarters Canyon Creek, & Electric Lake BACKGROUND INFORMATION The Canyon Fuel Company's Skyline Mine (Skyline Mine) is an active underground coal mine operation with Standard Industrial Classification 1222, for bituminous underground coal mining operations. The draft UPDES Permit has a total of five permitted discharge points (Outfalls 001 through 005). Outfall 001, which discharges to Eccles Creek, is comprised of both the continuous mine water discharges, as well as any surface water runoff directed to the sedimentation pond from the main facility. Outfall 002 is from a sedimentation pond, which collects surface water runoff from the separate coal load out facility located at the intersection of State Routes 264 & 96 and discharges intermittently to Eccles Creek during pond maintenance, precipitation and/or snow melting events. Outfall 003 is from a sedimentation pond located at the off-site waste rock disposal area near Scofield and has not discharged to date and is not expected to discharge into the foreseeable future due to its size. If discharge were to occur it would go to UP Canyon Creek, tributary to Mud Creek and Scofield Reservoir. Outfall 004 is configured to discharge both mine water, as well as any surface water runoff directed to the sedimentation pond from the off-site Winter Quarters Canyon ventilation shaft facility. Outfall 004 first began discharging mine water in May 2020 to Winter Quarters Canyon Creek, which is also tributary to Mud Creek and Scofield Reservoir, to safely dewater and operate the active mining areas. Prior to May 2020, any and all mine water discharges were discharged via Outfall 001. Skyline Mine has requested, as part of their UPDES Permit renewal, an additional Outfall location (005) to safely dewater and operate new active mining areas. Outfall 005 when completed will enable a portion of the mine water discharges, which would otherwise discharge via Outfall 001, to be discharged directly into Electric Lake, which is tributary to Huntington Creek. This UPDES renewal permit will once again authorize discharges from Skyline Mine during the next five years. PUBLIC COMMENTS Public comments are invited any time prior to the deadline of the close of business on October 26, 2020. Written public comments can be submitted to: Jeff Studenka, UPDES Surface Water Section, Utah Division of Water Quality, PO Box 144870, Salt Lake City, Utah 84114-4870 or by email at: jstudenka@utah.gov. After considering public comment the Director may execute the permit issuance, revise it or abandon it. The permit is available for public review at https://deq.utah.gov/public-notices-archive/water-quality-public-notices. If internet access is not available, a copy may be obtained by calling Jeff Studenka at 801-536-4395.

Notice of Special Accommodations (ADA)

In compliance with the Americans with Disabilities Act, individuals needing special accommodations (including auxiliary communicative aids and services) during this meeting should notify Emily Canton at 801-536-4342.

Notice of Electronic or Telephone Participation

NA

Meeting Information

Meeting Location

195 North 1950 West
Salt Lake City, UT 84116
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Contact Name

Emily Canton

Contact Email

ercanton@utah.gov

Contact Phone

(801)536-4342

Notice Posting Details

Notice Posted On

September 23, 2020 01:41 PM

Notice Last Edited On

September 23, 2020 01:41 PM

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