DWQ-2024-008711

December 17, 2024Bill Kennick, Plant ManagerPacifiCorp Gadsby Plant1359 West North TempleSalt Lake City, Utah 84116Via EmailSubject:UPDES Permit No. UT0000116RenewalPacifiCorp Gadsby
PlantDear Mr. Kennick:Enclosed is a signed copy of the UPDES Permit No. UT0000116, as well as the associated Fact Sheet Statement of Basis and Waste Load Analysis for the above-referenced
facility. The 30-day public notice period ended December 23, 2024, with no comments received. Therefore, the permit has been renewed as drafted and is effective January 1, 2025, subject
to the right to appeal in accordance with the provisions of Utah Administrative Code, Section R317-9.As the State agency charged with the administration of issuing UPDES Permits, we
are continuously looking for ways to improve our quality of service to you. In an effort to improve the State UPDES permitting process, we are asking for your input. Please take a few
moments to complete an online survey (Go to https://deq.utah.gov/division-water-quality and click on the "Feedback" link on the right side of page.) The results will be used to improve
our quality and responsiveness to our permittees and give us feedback on customer satisfaction. We will address the issues you have identified on an ongoing basis.Thank you for your
continued efforts regarding your permit and for helping to protect Utah’s Water Quality. If you have any questions with regard to this matter, please contact Daniel Griffin at (801)
536-4387.Sincerely,Danielle LenzDanielle Lenz, ManagerUPDES Individual Permit SectionDL/DG/chEnclosures:1. PacifiCorp Gadsby UPDES Permit 2024 (DWQ-2024-0007540)2. PacifiCorp Gadsby
UPDES FSSOB 2024 (DWQ-2024-0007544)3. PacifiCorp Gadsby WLA 2022 (DWQ-2024-000751)4. Species List_ Utah Ecological Services Field Office (August 2023)(DWQ-2024-000752)5. PacifiCorp Gadsby
PARs (DWQ-2024-000753)Cc:Via Email w/Enclosures Amy Maybach, US EPA Region VIIIStephanie DeJong, US EPA Region VIIIMichael Boeglin, US EPA Region VIIIMatthias Neville, Salt Lake County
Health Department, [e-mail] Sewell, PacifiCorp, [e-mail] Baisch, PacifiCorp, [e-mail] Wheeler, PacifiCorp,[e-mail]
Tiberius, PacifiCorp, [e-mail], DWQ ICIS Coordinator
Via Email w/out EnclosuresJustin Shirley, Utah Division of Wildlife ResourcesJason Gipson, Regulatory Office, US Corps of Engineers Chris Merritt, State Historic Preservation Office
Brett Shakespear, PacifiCorp, [e-mail]-2024-10087