CalEPA Boards, Departments and Office


Office of the Secretary

The mission of the California Environmental Protection Agency (CalEPA) is to restore, protect and enhance the environment, to ensure public health, environmental quality and economic vitality.

Boards, Departments and Office

California Air Resources Board

The California Air Resources Board’s (CARB) mission is to promote and protect public health, welfare and ecological resources through the effective and efficient reduction of air pollutants in recognition and consideration of the effects on the economy of the state.

Department of Pesticide Regulation

The Department of Pesticide Regulation (DPR) has the primary responsibility for regulating all aspects of pesticide sales and use to protect the public health and the environment. DPR’s mission is to protect human health and the environment by regulating pesticide sales and use, and by fostering reduced-risk pest management.

Department of Resources Recycling and Recovery (CalRecycle)

CalRecycle’s mission is to restore, protect, and manage the state’s natural, historical, and cultural resources for current and future generations using creative approaches and solutions based on science, collaboration, and respect for all the communities and interests involved.

Department of Toxic Substances Control

DTSC’s mission is to protect California’s people, communities, and environment from toxic substances, to enhance economic vitality by restoring contaminated land, and to compel manufacturers to make safer consumer products.

Office of Environmental Health Hazard Assessment

The mission of OEHHA is to protect and enhance public health and the environment by objective scientific evaluation of risks posed by hazardous substances.

State Water Resources Control Board

The State Water Resources Control Board’s mission is to preserve, enhance, and restore the quality of California’s water resources and drinking water for the protection of the environment, public health, and all beneficial uses, and to ensure proper water resource allocation and efficient use, for the benefit of present and future generations.

Regional Water Quality Control Boards (RWQCB)

  North Coast RWQCB – Region 1

  • General Telephone Number: (707) 576-2220

  San Francisco Bay RWQCB – Region 2

  • General Telephone Number: (510) 622-2300

  Central Coast RWQCB – Region 3

  • General Telephone Number: (805) 549-3147

  Los Angeles RWQCB – Region 4

  • General Telephone Number: (213) 576-6600

  Central Valley RWQCB – Region 5

  • General Telephone Number: (916) 464-3291
  • Fresno Branch Office of the Central Valley Region (559) 445-5116
  • Redding Branch Office of the Central Valley Region (530) 224-4845

  Lahontan RWQCB – Region 6

  • Victorville Branch Office of the Lahontan Region
  • General Telephone Number: (530) 542-5400

Colorado River Basin RWQCB – Region 7

  • General Telephone Number: (760) 346-7491

  Santa Ana RWQCB – Region 8

  • General Telephone Number: (951) 782-4130

  San Diego RWQCB – Region 9

  • General Telephone Number: (619) 516-1990