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685 datasets

Dry Well Reporting System Data

Published by: California Department of Water Resources
Last updated: Sunday, April 19, 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...

San Francisco Bay and Sacramento-San Joaquin Delta DEM for Modeling, Version 4.1 (SUPERSEDED)

Published by: California Department of Water Resources
Last updated: Sunday, April 19, 2026
File types: ZIP, PNG

This product is superseded by version 4.2. See: https://data.cnra.ca.gov/dataset/san-francisco-bay-and-sacramento-san-joaquin-delta-dem-for-modeling-...

California's Groundwater Live Supporting Data

Published by: California Department of Water Resources
Last updated: Sunday, April 19, 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...

Bay-Delta SCHISM Input Data

Published by: California Department of Water Resources
Last updated: Sunday, April 19, 2026
File types: TH, TAR, ZIP

Boundary forcing data for historical modeling with Bay-Delta SCHISM 2008-2016....

Delta 2016 Land Use Data

Published by: California Department of Water Resources
Last updated: Sunday, April 19, 2026
File types: ZIP

Delta 2016 Land Use Data that is used for DETAW-DCD....

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: Sunday, April 19, 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...

Groundwater Sustainability Plan Annual Report Data

Published by: California Department of Water Resources
Last updated: Sunday, April 19, 2026
File types: CSV

The Groundwater Sustainability Plan (GSP) Annual Report (AR) datasets contain the following data submitted by Groundwater Sustainability Agencies (GSA...

i12 CalSIMII OutputData

Published by: California Department of Water Resources
Last updated: Sunday, April 19, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The i12_CalSim_Output dataset is a point feature class containing 44 point locations representing a subset of CalSim II output locations. A related ta...

i12 CalSIMII OutputData

Published by: California Department of Water Resources
Last updated: Sunday, April 19, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

The i12_CalSim_Output dataset is a point feature class containing 44 point locations representing a subset of CalSim II output locations. A related ta...

i12 CalSIMII InflowData

Published by: California Department of Water Resources
Last updated: Sunday, April 19, 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...