Rosemont Copper Company | Permits of Interest

Rosemont Copper Company is located at 21900 S. Sonoita Highway, Vail, Arizona 85641.

The Copper World Project is a proposed open-pit copper mining and ore processing operation located 30 miles southeast of Tucson in Pima County.

Air Quality Permitting

On Oct. 21, 2022, ADEQ received the Class II Air Quality Permit application for the Rosemont Copper World Project from Rosemont Copper Company. The proposed operation consists of open-pit mining, including drilling, blasting, loading, stockpiling, and hauling of ore and waste rock; milling; leaching; a solvent extraction/electrowinning facility; a sulfuric acid plant; and supporting operations, such as internal combustion engines and storage tanks.

Location

9025 East Santa Rita Road
Sahuarita, Arizona 85629

Documents

Permit Application | View/Download > 
Project Modeling Report | View/Download >

Water Quality Permitting

2015

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

CWA 401 Addendum Application | View >
Application Addendum Figures/Maps | View >
Letters Regarding Addendum | View >
Habitat Monitoring and Mitigation Plan | View >
401 Addendum Draft | View >
Final 401 Water Quality Certification | View >
Letter to Rosemont | View >
Public Notice Comments | View >