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Explore SWAMP data

The Surface Water Ambient Monitoring Program (SWAMP) mission is to generate  high quality, accessible, and usable data and information that is used to protect and restore California’s watersheds, and to inform California communities about local conditions of waterbodies monitored by SWAMP. Explore SWAMP data for the time period of 2000-2023.

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Statewide monitoring program

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Download data (.csv) for all SWAMP stations based on the current selection listed below. Includes stations outside the current map extent.

Program:All
Region:All
Parameter:All
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