DWQ-2025-004352

Division of Water Quality
Utah Department of Environmental Quality
Public Notice of Intent to Renew a Ground Water Discharge Permit
Permit No. UGW360015

Purpose of Public Notice
The Utah Department of Environmental Quality (DEQ) is soliciting comments on the request to renew a ground water discharge permit as described below. The ground water discharge permit
is issued by the Director of the Division of Water Quality under authority of the Utah Water Quality Act, Section 19-5-106(g) Utah Code Ann. 1953, as amended and Utah Administrative
Code R317-6. Under Section 19-1-301.5, effective May 8, 2012, a person who wishes to challenge a Permit Order may only raise an issue or argument during an adjudicatory proceeding
that was raised during the public comment period and was supported with sufficient information or documentation to enable the Director to fully consider the substance and significance
of the issue. Utah Code Ann. 19-1-301.5 can be viewed at https://le.utah.gov/xcode/Title19/Chapter1/19-1-S301.5.html?v=C19-1-S301.5_2015051220150512

Permit information
Permittee Name: Kennecott Utah Copper LLC

Mailing Address: 4700 Daybreak Parkway
South Jordan, UT 84009

Facility Location: The facility is located in Magna, UT

Kennecott Utah Copper operates process water containment and pumping facilities that route process water for Kennecott Copper operations. These facilities are located at the north end
of the Oquirrh Mountains near the historic and decommissioned Utah Power Plant and assist in the production of copper from copper ore mined in the Bingham Mine. The proposed renewed
ground water permit incorporates best management practices for water handling facilities and establishes protection limits for ground water quality.

Public Comments
Public comments are invited any time prior to date, 2025. Written comments may be directed to the Division of Water Quality, P.O. Box 144870, Salt Lake City, UT 84114-4870. All comments
received prior to close of business date, 2025, will be considered in the formulation of final determinations to be imposed on the permit. A public hearing may be held if written requests
are received within the first 15 days of this public comment period that demonstrate significant public interest and substantive issues exist to warrant holding a hearing.

Additional Information
Additional information may be obtained upon request by contacting Austin Miller at [phone] or at [e-mail] or by writing to the aforementioned address. Related documents
are available for review during normal business hours at DWQ, 195 North 1950 West in Salt Lake City or https://www.utah.gov/pmn/index.html or on the DWQ web page at deq.utah.gov/public-notices-archive/water-quality-public-notices.

In compliance with the Americans with Disabilities Act, individuals with special needs (including auxiliary communicative aids and services) should contact Larene Wyss, Office of Human
Resources at [phone].