COVID-19: In an effort to reduce the spread of COVID-19, The Utah Department of Environmental Quality is limiting person-to-person contact and will close our offices to the public starting on April 3. Please contact DEQ here to conduct business.

Document Repository: Cornerstone:
Kennecott Utah Copper LLC Projects

This page provides links to documents associated with the various regulatory decisions by DEQ.

Approval Order Issued (June 27, 2011)

Air Quality SIP Amendment (May 4, 2011)

If you have questions, comments, or require more information, see our Contacts page.