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.

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DWR Delta Modeling User Group (DMUG)

Published by: California Department of Water Resources
Last updated: Wednesday, December 24, 2025
File types:

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

2018 Delta Modeling User Group Newsletter

Published by: California Department of Water Resources
Last updated: Wednesday, December 24, 2025
File types: PDF

Newsletter for 2018...

DSM2 v8.2.1

Published by: California Department of Water Resources
Last updated: Wednesday, December 24, 2025
File types: ZIP, HTML

The current release DSM2 V8.2.1 differs from the previous release DSM2 V8.2.0 as follows: ==========================================================...

Bulletin 118 Update 2003 - Basin Reports (formerly known as Basin Descriptions)

Published by: California Department of Water Resources
Last updated: Wednesday, December 24, 2025
File types: PDF

This dataset includes the basin reports for the 515 groundwater basins developed as part of Bulletin 118 Update 2003. The reports include descriptions...

California's Groundwater Basin Boundary Descriptions

Published by: California Department of Water Resources
Last updated: Wednesday, December 24, 2025
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...