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789 datasets

i08 GroundwaterDepthSeasonal Contours

Published by: California Department of Water Resources
Last updated: Saturday, May 23, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset depicts contours of estimated change in groundwater piezometric surfaces in the unconfined or uppermost semi-confined aquifers, between t...

San Francisco Bay and Sacramento-San Joaquin Delta DEM version 3 (Superseded)

Published by: California Department of Water Resources
Last updated: Saturday, May 23, 2026
File types: JPEG, ZIP

# Superseded: A more recent version of this product appears here: https://data.cnra.ca.gov/dataset/san-francisco-bay-and-sacramento-san-joaquin-de...

i16 Census BlockGroup DisadvantagedCommunities 2023

Published by: California Department of Water Resources
Last updated: Saturday, May 23, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The IRWM web based DAC mapping tool uses this GIS layer. Created by joining ACS 2019-2023 5 year estimates to the Census 2020 Block Group feature clas...

i08 GroundwaterLevelChangeSeasonal Points

Published by: California Department of Water Resources
Last updated: Saturday, May 23, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset depicts change in groundwater level at selected monitoring locations (wells) between two specified years, by season. Change values repres...

DSM2 Documents

Published by: California Department of Water Resources
Last updated: Saturday, May 23, 2026
File types: PDF

DSM2 Related Documents...

i12 CalSIMII InflowData

Published by: California Department of Water Resources
Last updated: Saturday, May 23, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

The i12_InflowData dataset is a point feature class containing 33 point locations representing approximate reservoir inflow locations. Spatial referen...

i03 dwr region offices

Published by: California Department of Water Resources
Last updated: Saturday, May 23, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Description for i03_DAU_county_cnty2018 is as follows:Detailed Analysis Unit-(DAU) Convergence via County Boundary cnty18_1 for Cal-Fire, (*See metada...

Bay-Delta SCHISM Milestone Mesh Versions

Published by: California Department of Water Resources
Last updated: Saturday, May 23, 2026
File types: GZIP

This dataset includes gzipped files formats native to the Surface Water Modeling System (SMS) grid generation software or *.gr3 format native to SCHIS...

Sustainable Groundwater Management Act (SGMA) Basin Prioritization

Published by: California Department of Water Resources
Last updated: Saturday, May 23, 2026
File types: XLSX, PDF, CSV, ZIP

The following data and resources were used for the SGMA Basin Prioritization of California’s 515 groundwater basins and subbasins. The Department of W...

Statewide Irrigation Systems Methods Survey

Published by: California Department of Water Resources
Last updated: Saturday, May 23, 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...