CAA Permitting in Your Region

Choose the region in which your state resides for specific air permitting information

To get information about your region, select your state or territory from this list or from the map below.

Select your State, then press go.

Map of the US, split into EPA regions

Region 1: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont
Region 2: New Jersey, New York, Puerto Rico, US Virgin Islands
Region 3: Delaware, District of Columbia, Maryland, Pennsylvania, Virginia, West Virginia
Region 4: Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, Tennessee
Region 5: Illinois, Indiana, Michigan, Minnesota, Ohio, Wisconsin
Region 6: Arkansas, Louisiana, New Mexico, Oklahoma, Texas
Region 7: Iowa, Kansas, Missouri, Nebraska
Region 8: Colorado, Montana, North Dakota, South Dakota, Utah, Wyoming
Region 9: Arizona, California, Hawaii, Nevada, Pacific Islands
Region 10: Alaska, Idaho, Oregon, Washington

Permitting Under the Clean Air Act