CAA Permitting in the District of Columbia

Clean Air Act permitting in the District of Columbia is the shared responsibility of the District Department of the Environment and EPA Region 3. EPA Region 3 is the permitting authority for the PSD (Prevention of Significant Deterioration) program in the District of Columbia. More information about the responsible agencies is available on this page.

Responsible Area

District-wide

Agency Office

Hannah Ashenafi, Associate Director
Air Quality Division
District of Columbia Department of Energy & Environment 
1200 1st NE, 5th Floor
Washington, D.C. 20002
phone: 202-535-2626

District of Columbia Air Permitting Information and Contacts

PSD Permitting Actions in the District of Columbia

Air Quality Division Information

Approved State Implementation Plan