Home | San Diego Regional Water Quality Control Board

State of California
San Diego Regional
Water Quality Control Board

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.

State of California
San Diego Regional
Water Quality Control Board

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.

State of California
San Diego Regional
Water Quality Control Board

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.

State of California
San Diego Regional
Water Quality Control Board

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.

State of California
San Diego Regional
Water Quality Control Board

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.

State of California
San Diego Regional
Water Quality Control Board

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.

State of California
San Diego Regional
Water Quality Control Board

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.

State of California
San Diego Regional
Water Quality Control Board

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.

State of California
San Diego Regional
Water Quality Control Board

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.

State of California
San Diego Regional
Water Quality Control Board

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.

State of California
San Diego Regional
Water Quality Control Board

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.

State of California
San Diego Regional
Water Quality Control Board

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.

State of California
San Diego Regional
Water Quality Control Board

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.

State of California
San Diego Regional
Water Quality Control Board

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.

State of California
San Diego Regional
Water Quality Control Board

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.

State of California
San Diego Regional
Water Quality Control Board

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.

State of California
San Diego Regional
Water Quality Control Board

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.

State of California
San Diego Regional
Water Quality Control Board

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.

State of California
San Diego Regional
Water Quality Control Board

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.

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November 12, 2025 - San Diego Water Board
December 10, 2025 - San Diego Water Board
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Water is a precious resource in California, and maintaining its quality is of utmost importance to safeguard the health of the public and the environment.

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State of California San Diego Regional Water Quality Control Board

State of California San Diego Regional Water Quality Control Board

State of California San Diego Regional Water Quality Control Board

State of California San Diego Regional Water Quality Control Board

State of California San Diego Regional Water Quality Control Board

State of California San Diego Regional Water Quality Control Board

State of California San Diego Regional Water Quality Control Board

State of California San Diego Regional Water Quality Control Board

State of California San Diego Regional Water Quality Control Board

State of California San Diego Regional Water Quality Control Board

State of California San Diego Regional Water Quality Control Board

State of California San Diego Regional Water Quality Control Board

State of California San Diego Regional Water Quality Control Board

State of California San Diego Regional Water Quality Control Board

State of California San Diego Regional Water Quality Control Board

State of California San Diego Regional Water Quality Control Board

State of California San Diego Regional Water Quality Control Board

State of California San Diego Regional Water Quality Control Board

State of California San Diego Regional Water Quality Control Board

Announcements

Featured Topics

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State of California
San Diego Regional
Water Quality Control Board

State of California
San Diego Regional
Water Quality Control Board

State of California
San Diego Regional
Water Quality Control Board

State of California
San Diego Regional
Water Quality Control Board

State of California
San Diego Regional
Water Quality Control Board

State of California
San Diego Regional
Water Quality Control Board

State of California
San Diego Regional
Water Quality Control Board

State of California
San Diego Regional
Water Quality Control Board

State of California
San Diego Regional
Water Quality Control Board

State of California
San Diego Regional
Water Quality Control Board

State of California
San Diego Regional
Water Quality Control Board

State of California
San Diego Regional
Water Quality Control Board

State of California
San Diego Regional
Water Quality Control Board

State of California
San Diego Regional
Water Quality Control Board

State of California
San Diego Regional
Water Quality Control Board

State of California
San Diego Regional
Water Quality Control Board

State of California
San Diego Regional
Water Quality Control Board

State of California
San Diego Regional
Water Quality Control Board

State of California
San Diego Regional
Water Quality Control Board