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Surface Water Ambient Monitoring Program (SWAMP)

To request a copy of documents listed on this page, please contact Anne Walters at Anne.Walters@waterboards.ca.gov

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Program Overview

The Surface Water Ambient Monitoring Program (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 available resources at the State Water Board's SWAMP website, including:

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Water Quality Reports & Fact Sheets


  • Collaborative Trend Monitoring in the Upper Sacramento Watershed
  • Central Valley Monitoring Directory

Data Access and Portals

Central Valley Regional SWAMP Activities


Summary of activities within each basin:


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