DWQ-2024-006092

August 26, 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 MODIFY 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 (INCLUDING
TOTAL MAXIMUM DAILY LOADS (TMDL’S)) IF APPLICABLE, AS PER SECTION 303(D) OF THE FEDERAL CLEAN WATER ACT (CWA)]. PERMIT INFORMATIONPERMITTEE NAME: Ashley Valley Operating, LLCFACILITY
NAME:Ashley Valley Operating Wastewater Treatment FacilityMAILING ADDRESS: 55 Waugh Drive, Suite 550, Houston, TX 77007TELEPHONE NUMBER:[phone]FACILITY LOCATION:South
5500 East, Jensen, UT 84035UPDES PERMIT NO.:UT0000035PERMITTED OUTFALLS:001OUTFALL LOCATION:LatitudeN 40.366969°and longitude-109.414831°RECEIVING WATER: Un-named ditch to Union Irrigation
Canal and Ashley Valley Creek to the Green RiverBACKGROUND
Ashley Valley Operating, LLC operated the Ashley Valley Unit North Production Facility located in Uintah County, near Jensen, Utah. Under normal operations the facility continuously
discharges effluent, which consists of groundwater produced concurrently with oil production. Utah Pollutant Elimination System Discharge (UPDES) number UT0000035 is currently being
modified to include a compliance schedule to evaluate treatment technologies installed to help reduce H2S and TDS and to gather further data and evaluate the needs/options for future
treatment technologies.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 SeptemberXX, 2024. Written public comments can be submitted to: Lindsay Cowles, 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 Lindsay Cowles at [phone].
DWQ-2023-118754