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434 datasets

CalSIP Stream Gages

Published by: California Department of Water Resources
Last updated: Saturday, July 4, 2026
File types: ARCGIS GEOSERVICES REST API, CSV

### More information can be found at the CA DWR California Stream Improvement Program webpage at https://water.ca.gov/Work-With-Us/Technical-Assistanc...

DSM2 Cross-Section Development Program (CSDP)

Published by: California Department of Water Resources
Last updated: Saturday, July 4, 2026
File types: ZIP, HTML

The CSDP is used to create geometry for DSM2. The latest version of the CSDP is v20251013....

California Groundwater Recharge Information

Published by: California Department of Water Resources
Last updated: Saturday, July 4, 2026
File types: HTML, PDF

The following information is to support groundwater recharge efforts coordinated by the California Department of Water Resources, State Water Resource...

Water Loss Audit Data From Urban Retail Water Suppliers (Superseded)

Published by: California Department of Water Resources
Last updated: Saturday, July 4, 2026
File types: XLSX

September 2025 Note: This original 2019 data is superseded by a more recent data which captures newer submissions and resubmissions of older data repo...

California's Groundwater (Bulletin 118)

Published by: California Department of Water Resources
Last updated: Saturday, July 4, 2026
File types: PDF

California’s Groundwater (Bulletin 118) is the State’s official publication on the occurrence and nature of groundwater in California. The latest vers...

Integrated Water Flow Model (IWFM)

Published by: California Department of Water Resources
Last updated: Saturday, July 4, 2026
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: Saturday, July 4, 2026
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: Saturday, July 4, 2026
File types: ZIP

Publicly available version of IDC (IWFM Demand Calculator)...

i08 GroundwaterElevationSeasonal Points

Published by: California Department of Water Resources
Last updated: Saturday, July 4, 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: Saturday, July 4, 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...