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EPA Regional Office Implementation Plan Links

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EPA has ten regional offices, each of which is responsible for several states and territories. To get information about the SIP status for your state, select the region containing your state or territory from this list or from the map below.

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 Dakaota, Utah, Wyoming Region 9: Arizona, California, Hawaii, Nevada, Pacific Islands Region 10: Alaska, Idaho, Oregon, Washington
Region 1: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont and Tribal Nations

Region 2: New Jersey, New York, Puerto Rico, US Virgin Islands and Tribal Nations

Region 3: Delaware, District of Columbia, Maryland, Pennsylvania, Virginia, and West Virginia

Region 4: Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, Tennessee and Tribal Nations

Region 5: Illinois, Indiana, Michigan, Minnesota, Ohio, Wisconsin and Tribal Nations

Region 6: Louisiana, Arkansas, Oklahoma, New Mexico, Texas and Tribal Nations

Region 7: Iowa, Kansas, Missouri, Nebraska, and Tribal Nations

Region 8: Colorado, Montana, North Dakota, South Dakota, Utah, Wyoming and Tribal Nations

Region 9: Arizona, California, Hawaii, Nevada, the Pacific Islands, and Tribal Nations

Region 10: Alaska, Idaho, Oregon, Washington and Tribal Nations

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