About EPA

EPA Organization Chart

Office of the Administrator (AO)

Headquarters Offices

Office of Administration and Resources Management (OARM)

Office of Air and Radiation (OAR)

Office of Chemical Safety and Pollution Prevention (OCSPP)

Office of the Chief Financial Officer (OCFO)

Office of Enforcement and Compliance Assurance (OECA)

Office of Environmental Information (OEI)

Office of General Counsel (OGC)

Office of Inspector General (OIG)

Office of International and Tribal Affairs (OITA)

Office of Land and Emergency Management (OLEM)

About the Office of Land and Emergency Management
OLEM Organization Chart
OLEM was formerly known as the Office of Solid Waste and Emergency Management (OSWER). About the OSWER to OLEM name change

Office of Research and Development (ORD)

Office of Water (OW)

Regional Offices around the Nation

Region 1 / Boston

Serving CT, ME, MA, NH, RI, and VT
About Region 1
Region 1 Organization Chart

Region 2 / New York

Serving NJ, NY, Puerto Rico, and the U.S. Virgin Islands
About Region 2
Region 2 Organization Chart

Region 3 / Philadelphia

Serving DE, DC, MD, PA, VA, and WV
About Region 3
Region 3 Organization Chart

Region 4 / Atlanta

Serving AL, FL, GA, KY, MS, NC, SC, and TN
About Region 4
Region 4 Organization Chart

Region 5 / Chicago

Serving IL, IN, MI, MN, OH, and WI
About Region 5
Region 5 Organization Chart

Region 6 / Dallas

Serving AR, LA, NM, OK, and TX
About Region 6
Region 6 Organization Chart

Region 7 / Kansas City

Serving IA, KS, MO, and NE
About Region 7
Region 7 Organization Chart

Region 8 / Denver

Serving CO, MT, ND, SD, UT, and WY
About Region 8
Region 8 Organization Chart

Region 9 / San Francisco

Serving AZ, CA, HI, NV, American Samoa, Commonwealth of the Northern Mariana Islands, Federated States of Micronesia, Guam, Marshall Islands, and Republic of Palau
About Region 9
Region 9 Organization Chart

Region 10 / Seattle

Serving AK, ID, OR, and WA
206-553-1200 or 800-424-4372
About Region 10
Region 10 Organization Chart