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303 datasets

DSM2 Input 2025-05-28 historical update

Published by: California Department of Water Resources
Last updated: Friday, April 10, 2026
File types: ZIP, HTML, PDF

The following is a summary of the features from the DSM2 Monitoring Special Study (MSS) release that were merged into the DSM2 2023 Full Calibratio...

i04 CIMIS Reference Evapotranspiration Zones v1999

Published by: California Department of Water Resources
Last updated: Friday, April 10, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The ETo Zones Map allows users to view the grass-reference evapotranspiration (ETo) Zones for the State of California. The map was developed by DWR an...

i17 Levee Centerlines SuisunMarsh

Published by: California Department of Water Resources
Last updated: Friday, April 10, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Center lines of the Suisun Marsh levee systems. This dataset is a combination of different Suisun Marsh levee datasets that were edited to be accurate...

i07 Habitat Restoration Polygons

Published by: California Department of Water Resources
Last updated: Friday, April 10, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Approximate locations for habitat projects located within the Sacramento-San Joaquin Delta. This project list builds on earlier efforts, including tho...

South Delta Studies Reference

Published by: California Department of Water Resources
Last updated: Friday, April 10, 2026
File types: ZIP, PDF, WMV, HTML

Studies done in the South Delta by various agencies...

Statewide Crop Mapping

Published by: California Department of Water Resources
Last updated: Friday, April 10, 2026
File types: DATA, ZIP, PDF, REST SERVICE, GDB, SHP, STORY MAPS

The California Department of Water Resources (DWR) has been collecting land use data throughout the state and using it to produce agricultural water u...

Refuge Conveyance Waterways - Central Valley Project Improvement Act [ds2635]

Published by: California Department of Fish and Wildlife
Last updated: Friday, April 10, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Data was compiled to provide a singular visual representation of conveyance waterways and features available to deliver water to CVPIA wetland habitat...

i12 Flood Bypasses 2012

Published by: California Department of Water Resources
Last updated: Friday, April 10, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This feature class is a vector file containing polygons that represent the flood control bypasses of the Sacramento and San Joaquin Rivers. Bypasses c...

i12 Flood Bypasses 2014

Published by: California Department of Water Resources
Last updated: Friday, April 10, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This feature class is a vector file containing polygons that represent the flood control bypasses of the Sacramento and San Joaquin Rivers. Bypasses c...

Refuge Delivery Points - Central Valley Project Improvement Act [ds2638]

Published by: California Department of Fish and Wildlife
Last updated: Friday, April 10, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Data was compiled to provide a singular visual representation of delivery points used to complete water deliveries to CVPIA wetland habitat area. The ...