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
488 datasets
Water Quality Data
- Published by: California Department of Water Resources
- Last updated: Saturday, December 6, 2025
- File types: CSV
The California Department of Water Resources (DWR) discrete (vs. continuous) water quality datasets contains DWR-collected, current and historical, ch...
Surface Water - Sampling Location Information
- Published by: California State Water Resources Control Board
- Last updated: Wednesday, December 3, 2025
- File types: PDF, CSV
Information about sampling locations for data from the [California Environmental Data Exchange Network](https://ceden.org/) (CEDEN). This set of stati...
Water Quality - Effluent - Electronic Self-Monitoring Report (eSMR) Data
- Published by: California State Water Resources Control Board
- Last updated: Tuesday, December 2, 2025
- File types: PDF, ZIP, CSV
Wastewater discharges are regulated by the Water Board. Those regulated are generally required to submit Self-Monitoring Reports to the State or Regio...
Suisun Marsh Salinity Control Gates Log
- Published by: California Department of Water Resources
- Last updated: Saturday, December 6, 2025
- File types: XLSX, PDF
This log of operations includes: flashboard installation and removal dates, when tidal operations were started and stopped, and notes any technical is...
Stormwater - Regulatory (including Enforcement Actions) Information and Water Quality Results
- Published by: California State Water Resources Control Board
- Last updated: Tuesday, December 2, 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 - Water Quality Regulated Facility Information
- Published by: California State Water Resources Control Board
- Last updated: Tuesday, December 2, 2025
- File types: CSV, XLSX, PDF
Information regarding site visits of facilities that discharge wastewater, from the [California Integrated Water Quality System](https://www.waterboar...
Surface Water - Water Quality Regulatory Information
- Published by: California State Water Resources Control Board
- Last updated: Tuesday, December 2, 2025
- File types: CSV, PDF
This data set lists active and historical enforcement actions records that are stored in the [California Integrated Water Quality System](https://www....
DWR Technical Support Services (TSS)
- Published by: California Department of Water Resources
- Last updated: Saturday, December 6, 2025
- File types: CSV, BIN
(Webpage Under Development) The Department of Water Resources (DWR) provides Technical Support Services (TSS) to assist Groundwater Sustainability ...
California Groundwater Elevation Monitoring (CASGEM) Program
- Published by: California Department of Water Resources
- Last updated: Saturday, December 6, 2025
- File types: PDF
Since 2009, the [California Statewide Groundwater Elevation Monitoring (CASGEM) Program](https://water.ca.gov/programs/groundwater-management/groundwa...
Suisun Marsh Monitoring Program Channel Water Salinity Report
- Published by: California Department of Water Resources
- Last updated: Saturday, December 6, 2025
- File types: PDF
Monthly salinity reports for the Suisun Marsh from October through May of each year....