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421 datasets

DWR's Basin Characterization Program

Published by: California Department of Water Resources
Last updated: Thursday, April 16, 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: Friday, April 17, 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: Friday, April 17, 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: Thursday, April 16, 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: Thursday, April 16, 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: - ...

Statewide Irrigation Systems Methods Survey

Published by: California Department of Water Resources
Last updated: Thursday, April 16, 2026
File types: XLSM

Beginning in 1991 and approximately every 5 - 10 years an irrigation questionnaire form is distributed by mail and online survey to California growers...

California's Groundwater Live Supporting Data

Published by: California Department of Water Resources
Last updated: Thursday, April 16, 2026
File types: HTML, JPEG, PDF, DOCX, ZIP

This dataset contains files and materials in support of the California's Groundwater Live website. California's Groundwater Live is a user-friendly pl...

California's Groundwater Update 2025 (Bulletin 118)

Published by: California Department of Water Resources
Last updated: Thursday, April 16, 2026
File types: PDF, XLS, URL, .ZIP

California's Groundwater: Bulletin 118 Updates (CalGW Updates) are a continuing series of California's primary technical publications on groundwater r...

State Water Project Routine Water Quality Monitoring

Published by: California Department of Water Resources
Last updated: Friday, April 17, 2026
File types: CSV, LINK, PDF

The California State Water Project (SWP) is one of the nation’s largest water conveyance projects. Its geographic extent stretches from Sierra Nevada ...

Water Shortage Vulnerability Datasets

Published by: California Department of Water Resources
Last updated: Thursday, April 16, 2026
File types: HTML

This is the landing page for navigating to all of the water shortage vulnerability datasets provided by California Department of Water Resources. Plea...