Rosemont Copper Project

Rosemont Copper Company is located at 21900 S. Sonoita Highway, Vail, Arizona 85641. The facility is approximately 30 miles southeast of Tucson, west of State Highway 83, in Pima County, Arizona.

2015 Water Quality Permit

Clean Water Act Section 401 Application | View >
Public Notice Comments on 401| View > 
401 Certification Fact Sheet | View >
401 Certification | View > 
401 Certification Press Release | View > 
Surface Water Mitigation Plan | View > 

2017 Addendum to Water Quality Permit

CWA 401 Addendum Application | View >
Application Addendum Figures/Maps | View >
Letters Regarding Addendum | View >
Habitat Monitoring and Mitigation Plan | View >
401 Addendum Draft | View >