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
417 datasets
Bulletin 118 Update 2003 - Basin Reports (formerly known as Basin Descriptions)
- Published by: California Department of Water Resources
- Last updated: Wednesday, February 4, 2026
- 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, February 4, 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...
Groundwater Basin Boundary Descriptions - Sacramento River Region (5-XXX Basins)
- Published by: California Department of Water Resources
- Last updated: Wednesday, February 4, 2026
- File types: PDF
This dataset includes the official groundwater basin boundary descriptions for California's 515 groundwater basins. To make locating descriptions easi...
Groundwater Basin Boundary Descriptions - Lahontan Region (6-XXX Basins)
- Published by: California Department of Water Resources
- Last updated: Wednesday, February 4, 2026
- File types: PDF
This dataset includes the official groundwater basin boundary descriptions for California's 515 groundwater basins. To make locating descriptions easi...
Groundwater Basin Boundary Descriptions - North Coast Region (1-XXX Basins)
- Published by: California Department of Water Resources
- Last updated: Wednesday, February 4, 2026
- File types: PDF
This dataset includes the official groundwater basin boundary descriptions for California's 515 groundwater basins. To make locating descriptions easi...
Groundwater Basin Boundary Descriptions - Colorado River Region (7-XXX Basins)
- Published by: California Department of Water Resources
- Last updated: Wednesday, February 4, 2026
- File types: PDF
This dataset includes the official groundwater basin boundary descriptions for California's 515 groundwater basins. To make locating descriptions easi...
Groundwater Basin Boundary Descriptions - San Francisco Region (2-XXX Basins)
- Published by: California Department of Water Resources
- Last updated: Wednesday, February 4, 2026
- File types: PDF
This dataset includes the official groundwater basin boundary descriptions for California's 515 groundwater basins. To make locating descriptions easi...
Groundwater Basin Boundary Descriptions - San Diego Region (9-XXX Basins)
- Published by: California Department of Water Resources
- Last updated: Wednesday, February 4, 2026
- File types: PDF
This dataset includes the official groundwater basin boundary descriptions for California's 515 groundwater basins. To make locating descriptions easi...
Groundwater Basin Boundary Descriptions - South Coast Region (4-XXX Basins)
- Published by: California Department of Water Resources
- Last updated: Wednesday, February 4, 2026
- File types: PDF
This dataset includes the official groundwater basin boundary descriptions for California's 515 groundwater basins. To make locating descriptions easi...
Groundwater Basin Boundary Descriptions - Santa Ana Region (8-XXX Basins)
- Published by: California Department of Water Resources
- Last updated: Wednesday, February 4, 2026
- File types: PDF
This dataset includes the official groundwater basin boundary descriptions for California's 515 groundwater basins. To make locating descriptions easi...