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CAA Permitting in Your Region

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

Select your State, then press go.

Map of the US, split into EPA regions Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont New Jersey, New York, Puerto Rico, US Virgin Islands Delaware, District of Columbia, Maryland, Pennsylvania, Virginia, West Virginia Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, Tennessee  Illinois, Indiana, Michigan, Minnesota, Ohio, Wisconsin Arkansas, Louisiana, New Mexico, Oklahoma, Texas Iowa, Kansas, Missouri, Nebraska Colorado, Montana, North Dakota, South Dakota, Utah, Wyoming Arizona, California, Hawaii, Nevada, Pacific Islands Alaska, Idaho, Oregon, Washington

 
  • 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