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440 datasets
CA Urban Retail Water System Water Loss Annual Loss Audit Data
- Published by: California Department of Water Resources
- Last updated: Sunday, September 6, 2026
- File types: CSV
This dataset contains annual validated water loss audit reports submitted to the Department of Water Resources by California urban retail water suppli...
i19 Stormwater Resource Plans Polys
- Published by: California Department of Water Resources
- Last updated: Sunday, September 6, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
The feature dataset contains data representing storm water projects planned in the future throughout regions in California that involve groundwater re...
Statewide Agricultural Water Use Data 2016-2020
- Published by: California Department of Water Resources
- Last updated: Sunday, September 6, 2026
- File types: .ZIP
Descriptions Excel Application Tool for Statewide Agricultural Water Use Data 2016 - 2020 Department of water resources, Water Use Efficiency Branch...
i07 SignificantResourceAreas Delta 1979
- Published by: California Department of Water Resources
- Last updated: Sunday, September 6, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
"This section identifies those areas in the Delta which because of their resource value should receive special consideration. Those areas...have ...
SSWP Indicators of Hydrologic Alteration
- Published by: California Department of Water Resources
- Last updated: Sunday, September 6, 2026
- File types: ZIP
The SSWP Indicators of Hydrologic Alteration Study is one of many relicensing documents for the South SWP (SSWP) Hydropower Project Number 2426. The C...
SGMA - Depletions of Interconnected Surface Water
- Published by: California Department of Water Resources
- Last updated: Sunday, September 6, 2026
- File types: PDF
The Depletions of Interconnected Surface Water (ISW) dataset has been established to provide technical resources in support of Groundwater Sustainabil...
California Water Plan - Groundwater Update 2013
- Published by: California Department of Water Resources
- Last updated: Sunday, September 6, 2026
- File types: PDF
California's Groundwater Update 2013: A Compilation of Enhanced Content for California Water Plan Update 2013 compiles and analyzes readily-available ...
California's Groundwater (Bulletin 118)
- Published by: California Department of Water Resources
- Last updated: Sunday, September 6, 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...
Spatial CIMIS ETo maps — Daily Reference Evapotranspiration for California
- Published by: California Department of Water Resources
- Last updated: Sunday, September 6, 2026
- File types: GEOTIFF, TXT
🔔 Full-year 2025 data now available — Complete daily ETo for January–December 2025 has been published, replacing the partial-year v1 file. See the Ch...
California's Groundwater Basin Boundary Descriptions
- Published by: California Department of Water Resources
- Last updated: Sunday, September 6, 2026
- File types:
In conjunction with the release of [California’s Groundwater Update 2020](https://data.cnra.ca.gov/dataset/caglw_update2020), DWR has compiled a compr...