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Search California Department of Water Resources datasets

421 datasets

DWR Technical Support Services (TSS)

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

(Webpage Under Development) The Department of Water Resources (DWR) provides Technical Support Services (TSS) to assist Groundwater Sustainability ...

Suisun Marsh Monitoring Program Channel Water Salinity Report

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

Monthly salinity reports for the Suisun Marsh from October through May of each year....

Daily SWP Reservoir Elevation and Storage Data

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

This dataset contains the daily elevation and storage data for the State Water Project reservoirs....

Water Quality Data

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

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

DWR's Basin Characterization Tools - BCTools

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

[DWR’s California's Groundwater Basin Characterization Program](https://water.ca.gov/Programs/Groundwater-Management/Bulletin-118/Basin-Characterizati...

DWR's Basin Characterization Program

  • Published by: California Department of Water Resources
  • Last updated: Monday, April 6, 2026
  • File types: .ZIP, ZIP, FILE GEODATABASE, PDF

DWR has a long history of studying and characterizing California’s groundwater aquifers as a part of [California’s Groundwater (Bulletin 118)](https:/...

California Population Trends by Geography

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

The datasets provide population estimate trends from 1998 to the current year for each of California’s 58 counties, further disaggregated by Detailed ...

Juvenile Salmonid Collection System (JSCS) Pilot Project Fish and Environmental Data – McCloud River and Shasta Reservoir (2022–2025)

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

The California Department of Water Resources (DWR) conducted the Juvenile Salmonid Collection System (JSCS) Pilot Project from 2022 — 2025 to test new...

TRE ALTAMIRA InSAR Subsidence Data

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

This dataset represents measurements of vertical ground surface displacement in more than 200 of the high-use and populated groundwater basins across ...

DSM2 FC.2023.01

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

Release Notes The following is a summary of the differences between the current release DSM2 FC.2023.01 and the previous release DSM2 v8.2.2: - ...