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3650 datasets

i03 SuisunMarshBoundary

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

This feature class was digitized from the map, A.B. 1717, by Jeff Galef on August 22, 2012. The features were labeled as being in the Primary or Secon...

Hydrography Presentations

Published by: California Department of Water Resources
Last updated: Tuesday, May 19, 2026
File types: PDF, WEB VIDEOS

Slides, handouts, and recordings that have been presented at various conferences, workshops, and webinars by the California National Hydrography Stewa...

California's Groundwater Semi-Annual Conditions Updates

Published by: California Department of Water Resources
Last updated: Tuesday, May 19, 2026
File types: PDF

Semi-annual Conditions Updates are more frequent supplements to the comprehensive 5-year CalGW Updates, and also provide additional perspective on the...

County SB 552 Status Dashboard Data and Drought Resilience Plans

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

This dataset supports the County SB 552 Progress Dashboard, which is published on DWR’s [County Drought Resilience Planning webpage](https://water.ca....

Cal-SIMETAW Unit Values

Published by: California Department of Water Resources
Last updated: Tuesday, May 19, 2026
File types: CSV, ZIP, PDF

_Cal-SIMETAW Unit Values_ dataset contains cumulative monthly unit values (per acre) of crop evapotranspiration (ETc), applied water (AW), and six oth...

San Francisco Bay and Sacramento-San Joaquin Delta DEM for Modeling, Version 4.1 (SUPERSEDED)

Published by: California Department of Water Resources
Last updated: Tuesday, May 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This product is superseded by version 4.2.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-...

Watershed Boundary Dataset (WBD)

Published by: California Department of Water Resources
Last updated: Tuesday, May 19, 2026
File types: FILE GEODATABASE OR SHAPEFILE, ARCGIS GEOSERVICES REST API, WEBSITE, PDF

The Watershed Boundary Dataset (WBD) from USGS' The National Map (TNM) defines the perimeter of drainage areas formed by the terrain and other landsca...

i17 Delta Levees Centerlines 2017

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

In the Delta Anatomy Mapping Project, all levee anatomies were delineated using slope grids built from available LIDAR data points. LIDAR data points ...

i08 GroundwaterLevelChange Contours

Published by: California Department of Water Resources
Last updated: Tuesday, May 19, 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...

CIMIS Weather Station & Spatial CIMIS Data - Web API

Published by: California Department of Water Resources
Last updated: Tuesday, May 19, 2026
File types: JSON

CIMIS data is available to the public free of charge via a web Application Programming Interface (API). The CIMIS Web API delivers data over the REST...