DWQ-2024-007040

October 3, 2024DIVISION OF WATER QUALITYUTAH DEPARTMENT OF ENVIRONMENTAL QUALITYPUBLIC NOTICE TO RENEW A UPDES PERMITPURPOSE 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 (UPDES) PERMIT UNDER AUTHORITY OF THE UTAH WATER
POLLUTION CONTROL ACT, SECTION 19-5-104(9) AND 107(2), UTAH CODE ANNOTATED 1953, AS AMENDED. SAID “PERMIT” REFERS TO THE UPDES PERMIT AND THE FACT SHEET STATEMENT OF BASIS.PERMIT INFORMATIONPERMITTEE
NAME: PacifiCorpFACILITY NAME:Deer Creek MineMAILING ADDRESS:1407 W. North Temple, Suite 110, Salt Lake City, Utah 84116TELEPHONE NUMBER:801-220-2737FACILITY LOCATION:~ 8 miles Northwest
of Huntington, Utah on State Highway 31UPDES PERMIT NO.:UT0023604PERMITTED OUTFALLS:002, 003OUTFALL LOCATIONS:002: Located at latitude 39 21' 27" North and longitude 111 06' 58" West003:
Located at latitude 39 23' 23" North and longitude 111 05' 23" WestRECEIVING WATER: Deer Creek, Huntington CreekBACKGROUND
The PacifiCorp Deer Creek Mine facility (mine) is a former underground coal minelocated approximately 8 miles northwest of Huntington, Utah in Emery Countywithstandard industrial classification
code 1222 for bituminous coal underground miningand which ceased operations in January 2015. The mine portals have since been sealed and there has been no mining activity since that
time other than reclamation of the former mining areas in both Deer Creek and Rilda Canyons. Final reclamation activities were completed in November 2019 leaving the two remaining permitted
discharge points in place to account for any mine water discharges that may flow out of the former mine portals. This renewal permit will once again authorize any discharge of mine water
from the Deer Creek mine portal pipeline into Deer Creek (Outfall 002) and from the Rilda Canyon mine portal pipeline into Huntington Creek (Outfall 003) during the next five years as
appropriate.Please refer to the draft permit documents for more information. PUBLIC COMMENTSDuring the public comment period provided under Utah Administrative Code (UAC) R317-8-6.5,
any interested person may submit written comments on the draft permit and may request a public hearing if no hearing has already been scheduled. A request for a public hearing shall
be in writing and shall state the nature of the issues proposed to be raised in the hearing. All comments will be considered in making the final decision and shall be answered as provided
in UAC R317-8-6.12. Public comments are invited any time prior to the deadline of the close of business on NovemberXX, 2024. Written public comments can be submitted to: Jeff Studenka,
UPDES Individual Permits Section, Utah Division of Water Quality, PO Box 144870, Salt Lake City, Utah 84114-4870 or by email at: [e-mail] considering public comments,
the Utah Division of Water Quality may execute the permit issuance, revise it, or abandon it. The permit is available for public review under “Public Participation” at www.waterquality.utah.gov/.
If internet access is not available, a copy may be obtained by calling Jeff Studenka at [phone].
DWQ-2024-00