DWQ-2024-003905

May 16, 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 (INCLUDING
TOTAL MAXIMUM DAILY LOADS (TMDL’S)) IF APPLICABLE, AS PER SECTION 303(D) OF THE FEDERAL CLEAN WATER ACT (CWA)]. PERMIT INFORMATIONPERMITTEE NAME: Utah Associated Municipal Power Systems
(UAMPS)FACILITY NAME:Payson Power Plant (Nebo Power Station)MAILING ADDRESS:2825 East Cottonwood Parkway, Ste. 200, SLC, Utah 84121-7055
TELEPHONE:[phone]
FACILITY LOCATION:1100 North 1100 East, Payson, Utah 84651UPDES PERMIT NO.:UT0025518PERMITTED OUTFALLS:001OUTFALL LOCATION:latitude 4003'41", longitude 11143'49"RECEIVING WATER: Unnamed
irrigation return drainage ditch to Beer Creek to Benjamin Slough to Utah Lake BACKGROUND
The Utah Associated Municipal Power Systems (UAMPS) owns and operates an electric generating facility in Payson, Utah with an electric output of 141MW. The facility utilizes a gas-fired
Combustion Turbine with a Heat Recovery Steam Generator and a steam turbine operating in a combined-cycle mode. UAMPS has identified this plant as the Nebo Power Station, but it was
referred to as the Payson Power Project (PPP) when it was being permitted, prior to construction. The majority of the cooling water is obtained from the Payson City Wastewater Treatment
Plant (Payson WWTP). The treatment plant and PPP have an agreement to use the treatment plant’s effluent for cooling water purposes. The flow will enter the cooling tower and will
be discharged as a non-contact cooling water stream. The estimated flow is 0.75MGD.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 Month Day, 2024. Written public comments can be submitted to: Daniel Griffin,
UPDES Surface Water 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 Daniel Griffin at [phone].
DWQ-2024-00