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
411 datasets
Integrated Water Flow Model (IWFM)
- Published by: California Department of Water Resources
- Last updated: Wednesday, December 24, 2025
- File types: PDF, ZIP
Publicly available versions of the Integrated Water Flow Model (IWFM)...
DACs - Census
- Published by: California Department of Water Resources
- Last updated: Wednesday, December 24, 2025
- File types: ZIP
The following data were used for the Department of Water Resources' (DWR) Disadvantaged Communities (DAC) Mapping Tool: https://gis.water.ca.gov/app/d...
IWFM Demand Calculator (IDC)
- Published by: California Department of Water Resources
- Last updated: Wednesday, December 24, 2025
- File types: ZIP
Publicly available version of IDC (IWFM Demand Calculator)...
i08 GroundwaterElevationSeasonal Points
- Published by: California Department of Water Resources
- Last updated: Wednesday, December 24, 2025
- 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: Wednesday, December 24, 2025
- 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...
DSM2 Georeferenced Model Grid
- Published by: California Department of Water Resources
- Last updated: Wednesday, December 24, 2025
- File types: ZIP, PDF, ARCGIS DESKTOP MAP PACKAGE, ARCGIS PRO MAP PACKAGE
ArcGIS and QGIS map packages, with ESRI shapefiles for the DSM2 Model Grid. These are not finalized products. Locations in these shapefiles are approx...
i03 Groundwater Sustainability Plan Areas
- Published by: California Department of Water Resources
- Last updated: Wednesday, December 24, 2025
- 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: Wednesday, December 24, 2025
- 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: Wednesday, December 24, 2025
- 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: Wednesday, December 24, 2025
- 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...