EPA Organizational Structure

Headquarters
offices

• Office of Administration and Resources Management

  202-564-4600

• Office of Air and
  Radiation

  202-564-7404

• Office of Chemical Safety and Pollution Prevention

  202-564-2902

• Office of the Chief Financial Officer

  202-564-1151

• Office of Enforcement and Compliance Assurance

  202-564-2440

• Office of Environmental Information

  202-564-6665

• Office of General Counsel

  202-564-8040

• Office of Inspector General

  202-566-0847

• Office of International and Tribal Affairs

  202-564-6600

• Office Research and Development

  202-564-6620

• Office of Solid Waste and Emergency Response

  202-566-0200

• Office of
  Water
  

  202-564-5700

Regional offices
(around the nation)

• Region 1 / Boston

  617-918-1010

• Region 2 / New York

  212-637-5000

• Region 3 / Philadelphia

  215-814-2900

• Region 4 / Atlanta

  404-562-8357

• Region 5 / Chicago

  312-886-3000

• Region 6 / Dallas

  214-665-2200

• Region 7 / Kansas City

  913-551-7006

• Region 8 / Denver

  303-312-6308

• Region 9 / San Francisco

  415-947-8702

• Region 10 / Seattle

  206-553-1234