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423 datasets

i18 Deepwater Ship Channels

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

Dataset contains polygon features of deepwater ship channels, specifically the Sacramento and Stockton Deepwater Ship Channels in the California Delta...

i15 Cadastral Map Index DWR

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 dataset represents the cadastral maps created by the Geomatics branch in support of real property acquisitions within the Department of Water Res...

i04 CIMIS Reference Evapotranspiration Zones v1999

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

i03 LegalDeltaBoundary

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

Department of Water Resources (DWR), Geodetic Branch, Cadastral Surveys reviewed this boundary in July, 2009, and agreed with the linework along with ...

i03 SPFCPlanningArea 20100301

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

State Plan of Flood Control (SPFC) Planning Area is the lands currently receiving protection from the SPFC (CWC§ 9651(g)). State's flood management re...

i07 Habitat Restoration Polygons

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

GSP Monitoring Data

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

The Groundwater Sustainability Plan (GSP) Monitoring dataset contains the monitoring sites and associated groundwater level, subsidence or streamflow ...

CSDP Bathymetry Files

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

Bathymetry data files used by CSDP...

2018 MWELO Reports

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

2018 MWELO Reports...

2017 MWELO Reports

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

2017 MWELO Reports...