An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

CAA Permitting on the Southern Ute Indian Reservation

Clean Air Act Title V operating permit program implementation on the Southern Ute Indian Reservation is the responsibility of the Air Quality Program of the Southern Ute Indian Tribe Environmental Programs Division.  Implementation of all other CAA Permitting Programs is currently the responsibility of EPA Region 8.

Responsible Area

Southern Ute Indian Reservation, La Plata County, Colorado

Agency Office

Air Quality Program Exit
Environmental Programs Division, Southern Ute Indian Tribe
P.O. Box 737, Mail Slot #84
Ignacio, CO 81137

Air Permitting Information and Contacts

Title V Operating Permit Program HomeExit

Part 70 Operating Permits IssuedExit

Public Comments/NoticesExit

General Inquiries
Danny Powers (, Air Quality Program Manager

Part 70 Operating Permits 
Oakley Hayes (, Air Quality Technical Manager

EPA Part 70 Permit Program Oversight Lead
Colin Schwartz (

Federal Title V Operating Permit AuthorityExit

Title V Program Approval History

Delegations of Authority for NSPS/NESHAP/MACT