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3890 datasets

30x30 Ecoregions

Published by: California Natural Resources Agency
Last updated: Saturday, May 9, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

This layer contains polygon features of Ecological Units for the state of California as described by ECOMAP (1993) "... mapped based on associati...

TRE ALTAMIRA InSAR Subsidence Data

Published by: California Department of Water Resources
Last updated: Friday, May 15, 2026
File types: PDF, HTML, GEOTIFF, ZIP

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

Dry Well Reporting System Data

Published by: California Department of Water Resources
Last updated: Friday, May 15, 2026
File types: CSV

In California, water systems serving one (1) to 15 households are regulated at the county level. Counties vary in their practices, but rarely do count...

Statewide Irrigation Systems Methods Survey

Published by: California Department of Water Resources
Last updated: Friday, May 15, 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...

4 Model Ensemble, 30 Year Rolling Average Precipitation

Published by: California Natural Resources Agency
Last updated: Saturday, May 9, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

This dataset contains 30-year rolling average of annual average precipitation across all four models and two greenhouse gas (RCP) scenarios in the fou...

Collection of Groundwater Applications and Tools

Published by: California Department of Water Resources
Last updated: Friday, May 15, 2026
File types:

This dataset includes links and descriptions to a collection of groundwater applications and tools that have been developed by the Department of Water...

1990 Urban Water Management Plans (UWMPs)

Published by: California Department of Water Resources
Last updated: Friday, May 15, 2026
File types: PDF

1990 Urban Water Management Plans (UWMPs)...

CSDP Bathymetry Files version 2025-05-28

Published by: California Department of Water Resources
Last updated: Friday, May 15, 2026
File types: CDP

Bathymetry files used for CSDP...

Modeling Support Office Newsletter

Published by: California Department of Water Resources
Last updated: Friday, May 15, 2026
File types: PDF, PNG

Modeling Support Office Newsletter...

Delta Modeling User Group Presentations

Published by: California Department of Water Resources
Last updated: Friday, May 15, 2026
File types:

DWR Delta Modeling User Group Presentations...