ExperimentalWe used data and feedback to make a user-friendly site. We’d love your feedback.
Back to data.ca.gov.

Search Water datasets

499 datasets

Estimated Inundation Periods in the Yolo Bypass, 1998 – 2022

  • Published by: California Department of Water Resources
  • Last updated: Saturday, April 25, 2026
  • File types:

Largely supported by the Interagency Ecological Program (IEP), California Department of Water Resources (DWR) has operated a fish monitoring program i...

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: Saturday, April 25, 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...

CalSim 3

  • Published by: California Department of Water Resources
  • Last updated: Saturday, April 25, 2026
  • File types: PDF, ZIP

CalSim 3 related model, doc, and materials...

DSM2 example Planning Study output

  • Published by: California Department of Water Resources
  • Last updated: Saturday, April 25, 2026
  • File types: ZIP

output from baseline and alternative scenarios, 4 years: WY2011-WY2014...

DSM2 Planning Study Training example studies

  • Published by: California Department of Water Resources
  • Last updated: Saturday, April 25, 2026
  • File types: ZIP

DSM2 studies used for the DSM2 Planning Study Training in the DSM2 Learning Series...

SGMA Climate Change Resources

  • Published by: California Department of Water Resources
  • Last updated: Saturday, April 25, 2026
  • File types: CSV, ZIP, XLSX, PDF

This dataset includes processed climate change datasets related to climatology, hydrology, and water operations. The climatological data provided are ...

Lake Oroville Water Quality Assessment for the 2018 Camp Fire

  • Published by: California Department of Water Resources
  • Last updated: Saturday, April 25, 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...

DSM2 Documents

  • Published by: California Department of Water Resources
  • Last updated: Saturday, April 25, 2026
  • File types: PDF

DSM2 Related Documents...

DSM2 v8.3.1

  • Published by: California Department of Water Resources
  • Last updated: Saturday, April 25, 2026
  • File types: ZIP

DSM2 version 8.3.1...

i12 Delta Hydrology

  • Published by: California Department of Water Resources
  • Last updated: Saturday, April 25, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This point dataset represents the location of gaging stations in the Sacramento-San Joaquin Delta and Suisun Marsh that have historic and statistical ...