Water
Themes include well water, water quality, wastewater, watershed, storm water, drinking water.Popular datasets
Well Completion Reports
Drinking Water - SAFER Dashboard Failing and At-Risk Drinking Water Systems
Surface Water - Fecal Indicator Bacteria Monitoring Results
Search Water datasets
495 datasets
Groundwater Basin Boundary Descriptions - Sacramento River Region (5-XXX Basins)
- Published by: California Department of Water Resources
- Last updated: Tuesday, February 10, 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: Tuesday, February 10, 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: Tuesday, February 10, 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: Tuesday, February 10, 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: Tuesday, February 10, 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: Tuesday, February 10, 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: Tuesday, February 10, 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: Tuesday, February 10, 2026
- File types: PDF
This dataset includes the official groundwater basin boundary descriptions for California's 515 groundwater basins. To make locating descriptions easi...
Collection of Groundwater Applications and Tools
- Published by: California Department of Water Resources
- Last updated: Tuesday, February 10, 2026
- File types:
This dataset includes links and descriptions to a collection of groundwater applications and tools that have been developed by the Department of Water...
DCD / SMCD
- Published by: California Department of Water Resources
- Last updated: Tuesday, February 10, 2026
- File types: ZIP
Delta Channel Depletion (DCD) and Suisun Marsh Channel Depletion (SMCD) models....