EPA Organization Chart

202-564-7404
About the Office of Air and Radiation
OAR Organization Chart

202-564-2902
About the Office of Chemical Safety and Pollution Prevention
OCSPP Organization Chart

202-564-1151
About the Office of the Chief Financial Officer
OCFO Organization Chart

202-564-2440
About the Office of Enforcement and Compliance Assurance
OECA Organization Chart

202-564-8040
About the Office of General Counsel
OGC Organization Chart

202-566-0847
About the Office of Inspector General

202-564-6600
About the Office of International and Tribal Affairs
OITA Organization Chart

202-566-0200
About the Office of Land and Emergency Management
OLEM Organization Chart

202-564-4600
About the Office of Mission Support
OMS Organization Chart

202-564-6620
About the Office of Research and Development
ORD Organization Chart

202-564-5700
About the Office of Water

Serving CT, ME, MA, NH, RI, and VT
617-918-1010
About Region 1
Region 1 Organization Chart

Serving NJ, NY, Puerto Rico, and the U.S. Virgin Islands
212-637-5000
About Region 2
Region 2 Organization Chart

Serving DE, DC, MD, PA, VA, and WV
215-814-5000
About Region 3
Region 3 Organization Chart

Serving AL, FL, GA, KY, MS, NC, SC, and TN
404-562-9900
About Region 4
Region 4 Organization Chart

Serving IL, IN, MI, MN, OH, and WI
312-886-3000
About Region 5
Region 5 Organization Chart

Serving AR, LA, NM, OK, and TX
214-665-2200
About Region 6
Region 6 Organization Chart

Serving IA, KS, MO, and NE
913-551-7003
About Region 7
Region 7 Organization Chart

Serving CO, MT, ND, SD, UT, and WY
303-312-6312
About Region 8
Region 8 Organization Chart

Serving AZ, CA, HI, NV, American Samoa, Commonwealth of the Northern Mariana Islands, Federated States of Micronesia, Guam, Marshall Islands, and Republic of Palau
415-947-8700
About Region 9
Region 9 Organization Chart

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