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423 datasets

2025 UWMP Reporting

Published by: California Department of Water Resources
Last updated: Friday, May 22, 2026
File types: PDF

This DWR Open Data Publication includes the necessary reporting materials to complete the 2025 Urban Water Management Plan (UWMP). Urban Water Managem...

CalSim 3 Studies used in DCR 2023

Published by: California Department of Water Resources
Last updated: Friday, May 22, 2026
File types: ZIP

The CalSim 3 Studies used in the 2023 DCR...

CalSim Earlier Version ANNs 32 bit

Published by: California Department of Water Resources
Last updated: Friday, May 22, 2026
File types: APPLICATION/X-MSDOS-PROGRAM

BDCP ANNs 32 bit...

Statewide Crop Mapping

Published by: California Department of Water Resources
Last updated: Friday, May 22, 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...

i12 Delta Hydrology

Published by: California Department of Water Resources
Last updated: Friday, May 22, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This point dataset represents the location of gaging stations in the Sacramento-San Joaquin Delta and Suisun Marsh that have historic and statistical ...

ECO-PTM Workshop Presentations

Published by: California Department of Water Resources
Last updated: Friday, May 22, 2026
File types: PDF

DWR has been working with USGS to develop ECO-PTM, an individual based juvenile salmonid migration and survival model. The Delta hydrodynamic input f...

i10 APIS FlightCoverage

Published by: California Department of Water Resources
Last updated: Friday, May 22, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This is a polygon feature class that models the flight coverage of available DWR historic aerial photography. The coordinate system utilized for this ...

i10 APIS PhotoCenters

Published by: California Department of Water Resources
Last updated: Friday, May 22, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This is a point feature class that models the centroid locations of individual images of available DWR historic aerial photography. The coordinate sys...

i08 Delta InChannel Islands

Published by: California Department of Water Resources
Last updated: Friday, May 22, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Data contains historical polygons of in-channel islands within the Sacramento San Joaquin Delta. Data consists of merged datasets from 1929, 1940, 194...

i12 CalSIMII OutputData

Published by: California Department of Water Resources
Last updated: Friday, May 22, 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...