DWQ-2024-004941

July 1,2024
Mr.Erka Naran
Kennecott Barneys Canyon Mining Company
4700 W Daybreak Parkway
South Jordan, Utah 84095Subject:IssuanceofGroundWaterDischargePermitUGW350001, Barneys Canyon Mine,
Salt LakeCounty,Utah
Dear Mr. Naran:
The 30-day Public Comment period closed on June 19, 2024 for the issuance of Ground Water Discharge Permit UGW350001 for the Barneys Canyon Mine.Publiccomments were received from Rio
Tinto Kennecott, and the Division of Water Quality’s responses are enclosed.
The final Ground Water Discharge Permit and Statement of Basis are enclosed.Aninvoiceisbeing prepared and will be transmitted once it is complete.
If you have any questions or comments about the permit, please contact Benj Morris at [e-mail] [phone].
Sincerely,
John Mackey, P.E.,
Director
Utah Division of Water Quality
JM/DJH/BAM/ch
Cc:Ron Lund, Salt Lake County Health DepartmentJay Quintanilla, Rio Tinto Kennecott CopperDoug Bacon, US Environmental Protection AgencyMazie Cox, Utah Department of Environmental QualityWayne
Western, Utah Department of Natural Resources
Enclosures (3): 1. UGW350001 Final Permit 2024 (DWQ-2024-004936)
2. UGW350001 Final SOB 2024 (DWQ-2024-004937)
3. UGW350001 Permit Appendix A (DWQ-2024-004938)
4. UGW350001 Response to public comments(DWQ-2024-004939)