The U.S. Environmental Protection Agency has main headquarters in Washington, D.C., but also has ten different regional offices throughout the U.S. that focus specifically on enforcing and maintaining environmental protections in those areas. In addition, each region also serves Indian tribes located there. For instance, Region 10 in the northwest corner of the country serves 269 different tribes. Use the following contact information if you have questions about a specific activity taking place in your neighborhood or state, if you want to report a dangerous or environmentally-unfriendly act, or if you want to learn more about the environmental measures being taken to protect you.

Washington, D.C. Headquarters
U.S. Environmental Protection Agency
1200 Pennsylvania Avenue, NW
Washington, DC 20460
Information Resources Center: 202-260-5922
Website: http://www.epa.gov

Region 1: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island & Vermont
U.S. EPA Region 1
1 Congress Street Suite 1100
Boston, MA 02114-2023
Telephone: 617-918-1111
Region States Telephone: 1-888-372-7341
Website: http://www.epa.gov/region1

Region 2: New York, New Jersey, Puerto Rico & U.S. Virgin Islands
U.S. EPA Region 2
290 Broadway
New York, NY 10007-1866
Telephone: 212-637-3000
Website: http://www.epa.gov/region2

Region 3: Delaware, District of Columbia, Maryland, Pennsylvania, Virginia & West Virginia
U.S. EPA Region 3
1650 Arch Street
Philadelphia, PA 19103-2029
Telephone: 215-814-2900
Region States Telephone: 1-800-438-2474
Website: http://www.epa.gov/region3/

Region 4: Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, Tennessee
U.S. EPA Region 4
Atlanta Federal Center
61 Forsyth Street SW
Atlanta, GA 30303-3104
Telephone: 404-562-9900 or 1-800-241-1754
Website: http://www.epa.gov/region4

Region 5: Illinois, Indiana, Michigan, Minnesota, Ohio & Wisconsin
U.S. EPA Region 5
77 W. Jackson St.
Chicago, IL 60604
Telephone: 312-353-2000
Region States Telephone: 1-800-621-8431
Website: http://www.epa.gov/region5

Region 6: Arkansas, Louisiana, New Mexico, Oklahoma & Texas
U.S. EPA Region 6
1445 Rose Avenue
Suite 1200
Dallas, TX 75202
Telephone: 214-665-2200
Website: http://www.epa.gov/region6

Region 7: Iowa, Kansas, Missouri & Nebraska
U.S. EPA Region 7
901 N. 5th Street
Kansas City, MO 66101
Telephone: 913-551-7003
Website: http://www.epa.gov/region7

Region 8: Colorado, Montana, North Dakota, South Dakota, Utah & Wyoming
U.S. EPA Region 8
999-18th St.
Suite 300
Denver, CO 80202-2466
Telephone: 303-312-6312
Region States Telephone: 1-800-227-8917
Website: http://www.epa.gov/region8

Region 9: Arizona, California, Hawaii & Nevada
U.S. EPA Region 9
75 Hawthorne Street
San Francisco, CA 94105
Telephone: 415-744-1500
Website: http://www.epa.gov/region9

Region 10: Alaska, Idaho, Oregon & Washington
U.S. EPA Region 10
1200 6th Avenue
Seattle, WA 98101
Telephone (within region): 1-800-424-4EPA
Website: http://www.epa.gov/region10