California Department of Water Resources
Website: https://water.ca.gov/
The Department of Water Resources (DWR) is responsible for managing and protecting California’s water resources. DWR works with other agencies to benefit the State’s people and to protect, restore and enhance the natural and human environments.
Search California Department of Water Resources datasets
421 datasets
IWFM Demand Calculator (IDC)
- Published by: California Department of Water Resources
- Last updated: Friday, April 17, 2026
- File types: ZIP
Publicly available version of IDC (IWFM Demand Calculator)...
i08 GroundwaterElevationSeasonal Points
- Published by: California Department of Water Resources
- Last updated: Friday, April 17, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
This dataset depicts groundwater level (expressed as elevation) at selected monitoring locations (wells), by season and year. Other information on the...
i08 GroundwaterElevationSeasonal Countours
- Published by: California Department of Water Resources
- Last updated: Friday, April 17, 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...
i03 Groundwater Sustainability Agencies
- Published by: California Department of Water Resources
- Last updated: Friday, April 17, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
The passage of the Sustainable Groundwater Management Act (SGMA) in 2014 set forth a statewide framework to help protect groundwater resources over th...
i03 Groundwater Sustainability Plan Areas
- Published by: California Department of Water Resources
- Last updated: Friday, April 17, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
The passage of the Sustainable Groundwater Management Act (SGMA) in 2014 set forth a statewide framework to help protect groundwater resources over th...
County Land Use Surveys
- Published by: California Department of Water Resources
- Last updated: Friday, April 17, 2026
- File types: ZIP
This is collection of DWR County Land Use Surveys. You may scroll the list below to download any individual survey of interest. Historic County L...
i16 Census BlockGroup DisadvantagedCommunities 2023
- Published by: California Department of Water Resources
- Last updated: Friday, April 17, 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 Census 2020 Block Group feature clas...
i16 Census BlockGroup EconomicallyDistressedAreas 2023
- Published by: California Department of Water Resources
- Last updated: Friday, April 17, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
This is a copy of the statewide Census Block Group GIS Tiger file. The IRWM web based EDA mapping tool uses this GIS layer. Created by joining ACS 201...
i16 Census County DisadvantagedCommunities 2023
- Published by: California Department of Water Resources
- Last updated: Friday, April 17, 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 Counties feature class. ...
i16 Census County EconomicallyDistressedAreas 2023
- Published by: California Department of Water Resources
- Last updated: Friday, April 17, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
This is a copy of the statewide County GIS Tiger file. Created by joining ACS 2019-2023 5 year estimates to the 2020 Census Counties feature class, an...