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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549 datasets
Periodic Groundwater Level Measurements
- Published by: California Department of Water Resources
- Last updated: Thursday, June 26, 2025
- File types: CSV, ZIP, TXT
The DWR Periodic Groundwater Levels dataset contains seasonal and long-term groundwater level measurements collected by the Department of Water Resour...
GSP Monitoring Data
- Published by: California Department of Water Resources
- Last updated: Thursday, June 26, 2025
- File types: CSV
The Groundwater Sustainability Plan (GSP) Monitoring dataset contains the monitoring sites and associated groundwater level, subsidence or streamflow ...
Dry Well Reporting System Data
- Published by: California Department of Water Resources
- Last updated: Thursday, June 26, 2025
- File types: CSV
In California, water systems serving one (1) to 15 households are regulated at the county level. Counties vary in their practices, but rarely do count...
Water Quality Data
- Published by: California Department of Water Resources
- Last updated: Thursday, June 26, 2025
- File types: CSV
The California Department of Water Resources (DWR) discrete (vs. continuous) water quality datasets contains DWR-collected, current and historical, ch...
TRE ALTAMIRA InSAR Subsidence Data
- Published by: California Department of Water Resources
- Last updated: Thursday, June 26, 2025
- File types: PDF, HTML, ZIP
This dataset represents measurements of vertical ground surface displacement in more than 200 of the high-use and populated groundwater basins across ...
SWAMP Data Dashboard
- Published by: California State Water Resources Control Board
- Last updated: Tuesday, June 24, 2025
- File types: CSV
The Surface Water Ambient Monitoring Program (SWAMP) mission is to provide resource managers, decision makers, and the public with timely, high-qualit...
CalSIP Stream Gages
- Published by: California Department of Water Resources
- Last updated: Thursday, June 26, 2025
- File types: ARCGIS GEOSERVICES REST API, CSV
### More information can be found at the CA DWR California Stream Improvement Program webpage at https://water.ca.gov/Work-With-Us/Technical-Assistanc...
Suisun Marsh Salinity Control Gates Log
- Published by: California Department of Water Resources
- Last updated: Thursday, June 26, 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...
Urban Water Data - Drought Planning and Management
- Published by: California Department of Water Resources
- Last updated: Thursday, June 26, 2025
- File types: CSV, PDF
This data package aims to pilot an approach for providing usable data for analyses related to drought planning and management for urban water supplier...
WDL Ground Surface Displacement - Land Subsidence Monitoring
- Published by: California Department of Water Resources
- Last updated: Thursday, June 26, 2025
- File types: CSV
Borehole extensometers are a more site specific method of measuring land subsidence. These instruments consist of a pipe or cable anchored at the bott...