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53 datasets

Surface Water - Indicator Bacteria Results

Published by: California State Water Resources Control Board
Last updated: Friday, October 17, 2025
File types: CSV, PDF

Indicator bacteria data from the California Environmental Data Exchange Network (CEDEN) and BeachWatch databases. Results include E. coli, enterococci...

Surface Water - Chemistry Results - CEDEN Augmentation

Published by: California State Water Resources Control Board
Last updated: Friday, September 19, 2025
File types: CSV, PDF

This dataset includes field and lab chemistry data that has been submitted to the [California Environmental Data Exchange Network](https://ceden.org/)...

SWAMP Data Dashboard

Published by: California State Water Resources Control Board
Last updated: Monday, October 13, 2025
File types: PDF, CSV

This dataset supports the [SWAMP Data Dashboard](https://gispublic.waterboards.ca.gov/swamp-data/), a public-facing tool developed by the [Surface Wat...