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153 datasets

Surface Water - Freshwater Harmful Algal Blooms

Published by: California State Water Resources Control Board
Last updated: Tuesday, April 7, 2026
File types: PDF, CSV

Freshwater harmful algal bloom (HAB) data from the Freshwater Harmful Algal Bloom (FHAB) data system. The FHAB data system is the California State Wat...

Surface Water - Fecal Indicator Bacteria Monitoring Results

Published by: California State Water Resources Control Board
Last updated: Monday, April 6, 2026
File types: CSV, PDF

This dataset contains fecal indicator bacteria (FIB) monitoring results collected from surface waters across California. It includes results for _Esch...

Surface Water - Chemistry Results - CEDEN Augmentation

Published by: California State Water Resources Control Board
Last updated: Monday, January 26, 2026
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/)...

California Water Rights Irrigation Use Annual Reports

Published by: California State Water Resources Control Board
Last updated: Friday, August 29, 2025
File types: CSV, XLSX, DOC, PDF

This list includes detail information for IRRIGATION WATER USE as reported annually under each water right as stored in the State Water Resources Con...

Drought and Water Shortage Risk: Small Suppliers and Rural Communities (Version 2021)

Published by: California Department of Water Resources
Last updated: Tuesday, April 7, 2026
File types: XLSX, XLS

Per California Water Code Section 10609.80 (a), DWR has released an update to the indicators analyzed for the rural communities water shortage vulnera...

California Water Rights Annual Reports (Detail Summary List)

Published by: California State Water Resources Control Board
Last updated: Friday, August 29, 2025
File types: CSV, XLSX, DOC, PDF

This list includes detail information as reported annually under each water right as stored in the State Water Resources Control Board's "Electronic W...

Lake Oroville Water Quality Assessment for the 2018 Camp Fire

Published by: California Department of Water Resources
Last updated: Tuesday, April 7, 2026
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...

Surface Water - Aquatic Organism Tissue Sample Results

Published by: California State Water Resources Control Board
Last updated: Wednesday, March 4, 2026
File types: PDF, ZIP, CSV

This data set provides results of tissue from organisms found in surface waters, from the [California Environmental Data Exchange Network](https://ced...

Water quality, fish, phytoplankton, clams and zooplankton monitoring to support the Summer-Fall Suisun Marsh Salinity Control Gates Action

Published by: California Department of Water Resources
Last updated: Monday, April 6, 2026
File types:

The Suisun Marsh Salinity Control Gates (SMSCG) have the potential to increase low-salinity-zone habitat for endangered Delta Smelt (Hypomesus transpa...

California Groundwater Elevation Monitoring (CASGEM) Program

Published by: California Department of Water Resources
Last updated: Monday, April 6, 2026
File types: PDF

Since 2009, the [California Statewide Groundwater Elevation Monitoring (CASGEM) Program](https://water.ca.gov/programs/groundwater-management/groundwa...