Oil & gas air permits

 Oil & Gas                                                                  
Air permits for non-oil & gas
To apply for a new permit or modify an existing permit, follow these steps. 
2. Complete Attachments A through J for your application.
Your APEN will be rejected if it is filled out incorrectly, is missing information, or lacks payment for the filing fee. The re-submittal will require a new filing fee. See our Application Rejection Frequently Asked Questions page for more information.

3. Mail your complete application to:

Colorado Department of Public Health & Environment
4300 Cherry Creek Drive South
Denver, CO 80246-1530