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849 datasets

i16 Census Tract DisadvantagedCommunities 2023

Published by: California Department of Water Resources
Last updated: Monday, May 25, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The IRWM web based DAC mapping tool uses this GIS layer. Created by joining ACS 2019-2023 5 year estimates to the 2020 Census Tracts feature class. Th...

i16 Census Tract EconomicallyDistressedAreas 2023

Published by: California Department of Water Resources
Last updated: Monday, May 25, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The IRWM web based EDA mapping tool uses this GIS layer. Created by joining ACS 2019-2023 5 year estimates to the 2020 Census Tract feature class. The...

DWR Delta Modeling User Group (DMUG)

Published by: California Department of Water Resources
Last updated: Monday, May 25, 2026
File types:

Resources for the DWR Delta Modeling User Group California Department of Water Resources, Delta Modeling Section....

CalLite

Published by: California Department of Water Resources
Last updated: Monday, May 25, 2026
File types: ZIP, PDF, APPLICATION/X-MSDOS-PROGRAM

CalLite model and related material...

National Hydrography Dataset (NHD) Archive

Published by: California Department of Water Resources
Last updated: Monday, May 25, 2026
File types: ZIP, TXT, FILE GEODATABASE

This page is meant to act as an archival repository for previous versions of the statewide National Hydrography Dataset (NHD) which includes the Water...

i08 GroundwaterElevationSeasonal Countours

Published by: California Department of Water Resources
Last updated: Monday, May 25, 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...

Modeling and Analysis Web Page General Contents

Published by: California Department of Water Resources
Last updated: Monday, May 25, 2026
File types: PDF

Modeling and Analysis Web Page General Contents...

GPS Survey of the Sacramento Valley Subsidence Network

Published by: California Department of Water Resources
Last updated: Monday, May 25, 2026
File types: PDF, CSV

In 2008, DWR developed a series of survey monuments in the Sacramento Valley to create a subsidence monitoring network. The network encompasses all o...

Toxicity Criteria Database

Published by: California Office of Environmental Health Hazard Assessment
Last updated: Tuesday, December 30, 2025
File types: CSV, PDF

Toxicity data for Air (Acute and Chronic Reference Exposure Levels (RELs)), Water (Public Health Goals (PHGs)), Soils (California Human Health Screeni...

i08 GroundwaterDepthSeasonal Contours

Published by: California Department of Water Resources
Last updated: Tuesday, May 26, 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...