Water
Themes include well water, water quality, wastewater, watershed, storm water, drinking water.Popular datasets
Well Completion Reports
Surface Water - Indicator Bacteria Results
Drinking Water - SAFER Dashboard Failing and At-Risk Drinking Water Systems
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484 datasets
CA Urban Retail Water System Water Loss Annual Loss Audit Data
- Published by: California Department of Water Resources
- Last updated: Friday, October 3, 2025
- 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...
Surface Water - Freshwater Harmful Algal Blooms
- Published by: California State Water Resources Control Board
- Last updated: Thursday, October 2, 2025
- File types: PDF, CSV
Freshwater harmful algal bloom (HAB) data from the Freshwater Harmful Algal Bloom (FHAB) data system. The FHAB data system is the California State Wat...
Daily SWP Reservoir Elevation and Storage Data
- Published by: California Department of Water Resources
- Last updated: Friday, October 3, 2025
- File types: CSV
This dataset contains the daily elevation and storage data for the State Water Project reservoirs....
Surface Water - Indicator Bacteria Results
- Published by: California State Water Resources Control Board
- Last updated: Wednesday, October 1, 2025
- File types: CSV, PDF
Indicator bacteria data from the California Environmental Data Exchange Network (CEDEN) and BeachWatch databases. Results include E. coli, enterococci...
Water Quality Data
- Published by: California Department of Water Resources
- Last updated: Friday, October 3, 2025
- File types: CSV
The California Department of Water Resources (DWR) discrete (vs. continuous) water quality datasets contains DWR-collected, current and historical, ch...
Well Completion Reports
- Published by: California Department of Water Resources
- Last updated: Friday, October 3, 2025
- File types: CSV, ZIP, XLSX
This Well Completion Report dataset represents an index of records from the California Department of Water Resources' (DWR) Online System for Well Com...
SWAMP Data Dashboard
- Published by: California State Water Resources Control Board
- Last updated: Wednesday, October 1, 2025
- File types: PDF, CSV
This dataset supports the [SWAMP Data Dashboard](https://gispublic.waterboards.ca.gov/swamp-data/), a public-facing tool developed by the [Surface Wat...
Stormwater - Regulatory (including Enforcement Actions) Information and Water Quality Results
- Published by: California State Water Resources Control Board
- Last updated: Tuesday, September 30, 2025
- File types: CSV
This dataset looks at all aspects of storm water management in California as managed and regulated by the State Water Resources Control Board, from th...
Surface Water - Toxicity Results
- Published by: California State Water Resources Control Board
- Last updated: Tuesday, September 30, 2025
- File types: PDF, CSV, ZIP
Surface water toxicity data from the [California Environmental Data Exchange Network](https://ceden.org/) (CEDEN). CEDEN is the California State Water...
Surface Water - Chemistry Results
- Published by: California State Water Resources Control Board
- Last updated: Tuesday, September 30, 2025
- File types: PDF, ZIP, CSV
This data provides results from the [California Environmental Data Exchange Network](https://ceden.org/) (CEDEN) for field and lab chemistry analyses....