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20 datasets

Water Quality Data

Published by: California Department of Water Resources
Last updated: Saturday, May 31, 2025
File types: CSV

The California Department of Water Resources (DWR) discrete (vs. continuous) water quality datasets contains DWR-collected, current and historical, ch...

Drinking Water - Laboratory Water Quality Results

Published by: California State Water Resources Control Board
Last updated: Tuesday, October 29, 2019
File types: PDF

The Division of Drinking Water requires laboratories to submit water quality data directly. The data is received, and published twice monthly on the D...

Quarterly Water Quality Surveys - Salton Sea [ds429]

Published by: California Department of Fish and Wildlife
Last updated: Saturday, May 31, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

In the spring of 2003, California Department of Fish and Game (CDFG) personnel began quarterly sampling of Salton Sea fish at fourteen stations around...

Lake Oroville Water Quality Assessment for the 2018 Camp Fire

Published by: California Department of Water Resources
Last updated: Tuesday, May 27, 2025
File types: PDF, CSV

In November 2018, the Camp Fire started near the town of Pulga, California north of Lake Oroville. The fire burned much of the Feather River’s North F...

Interagency Ecological Program: Discrete water quality monitoring in the Sacramento-San Joaquin Bay-Delta, collected by the Environmental Monitoring Program, 2000-2018.

Published by: California Department of Water Resources
Last updated: Saturday, May 31, 2025
File types:

The Interagency Ecological Program’s (IEP) Environmental Monitoring Program (EMP) has historically monitored discrete water quality and nutrients in t...

Surface Water - Toxicity Results

Published by: California State Water Resources Control Board
Last updated: Tuesday, May 20, 2025
File types: PDF, CSV, ZIP

Surface water toxicity data from the [California Environmental Data Exchange Network](https://ceden.org/) (CEDEN). CEDEN is the California State Water...

Surface Water - Chemistry Results

Published by: California State Water Resources Control Board
Last updated: Wednesday, May 7, 2025
File types: PDF, ZIP, CSV

This data provides results from the [California Environmental Data Exchange Network](https://ceden.org/) (CEDEN) for field and lab chemistry analyses....

Surface Water - Benthic Macroinvertebrate Results

Published by: California State Water Resources Control Board
Last updated: Wednesday, May 7, 2025
File types: PDF, CSV, ZIP

Data collected for marine benthic infauna, freshwater benthic macroinvertebrate (BMI), algae, bacteria and diatom taxonomic analyses, from the [Califo...

Surface Water - Chemistry Results - CEDEN Augmentation

Published by: California State Water Resources Control Board
Last updated: Tuesday, May 20, 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/)...

Surface Water - Sampling Location Information

Published by: California State Water Resources Control Board
Last updated: Wednesday, May 7, 2025
File types: PDF, CSV

Information about sampling locations for data from the [California Environmental Data Exchange Network](https://ceden.org/) (CEDEN). This set of stati...