DWQ-2025-004109

May 12, 2025Central Valley Water Reclamation FacilityAttn: Phillip E. Heck, Ph.D., P.E.800 West Central Valley RoadSalt Lake City, Utah [e-mail] EmailSubject:Central
Valley Water Reclamation Facility, UPDES Permit No. UT0024392April 30, 2025 Upset and UV System BypassDear Mr. Heck:In reviewing the notification submitted by Central Valley Water Reclamation
(CVWRF) regarding the upset condition on April 30, 2025 that resulted in a partial bypass of the UV system, we have determined that the actions taken by CVWRF leading up to, and in response
to the upset, meet the requirements found under part VI.G and H. of your UPDES permit. This is not a violation and the bypass was allowable under your permit.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 [phone].Sincerely,John
K. Mackey, P.E. Director, Division of Water QualityJKM/DL/DG/chCc:Via Email Ron Lund, Salt Lake County Health DepartmentSamantha Heusser, Division of Water QualityDWQ-2025-00In response
to DWQ-2025-004072