Welcome to the California Regional Water Quality Control Board, Central Valley Region Welcome to the California Environmental Protection Agency
My Water Quality
Performance Report
Central Valley Regional Water Board Groundwater Quality Protection Strategy
Central Valley Regional Water Board Program Fact Sheets
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Program Overview

SWAMP is tasked with assessing water quality in all of California's surface waters. The program conducts monitoring directly and through collaborative partnerships, and provides numerous information products, all designed to support water resource management in California. Find out more on the overall program and statewide monitoring efforts at the State Water Board's SWAMP website, including:

SWAMP produces an annual Achievements Report and Newsletters to highlight accomplishments.

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Statewide SWAMP Monitoring and Assessment

SWAMP supports three statewide monitoring efforts:

Central Valley Regional SWAMP Activities


Summary of activities within each basin:


Monitoring Information and Data:


Contact Information

For more information please contact:

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--Web page last updated 03/01/2017