Water
Themes include well water, water quality, wastewater, watershed, storm water, drinking water.Popular datasets
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487 datasets
Statewide Crop Mapping
- Published by: California Department of Water Resources
- Last updated: Saturday, December 20, 2025
- File types: DATA, ZIP, PDF, REST SERVICE, GDB, SHP, STORY MAPS
The California Department of Water Resources (DWR) has been collecting land use data throughout the state and using it to produce agricultural water u...
South Delta Monitoring Special Studies (MSS) Modeling Inputs and Selected Outputs
- Published by: California Department of Water Resources
- Last updated: Saturday, December 20, 2025
- File types: ZIP, DOCX, ZIP, PARQUET, YML, YML, DOCX, PARQUET, PYTHON
This dataset includes the MSS version of model inputs and outputs for the Delta Simulation Model 2 and Bay-Delta SCHISM. To perform DSM2 simulation...
DWR Community Groundwater Level Monitoring Program
- Published by: California Department of Water Resources
- Last updated: Saturday, December 20, 2025
- File types: PDF
The Community Groundwater Level Monitoring Program is a voluntary, locally driven effort designed to strengthen drought resilience and fill critical g...
Water Quality Data
- Published by: California Department of Water Resources
- Last updated: Saturday, December 20, 2025
- File types: CSV
The California Department of Water Resources (DWR) discrete (vs. continuous) water quality datasets contains DWR-collected, current and historical, ch...
Stormwater - Regulatory (including Enforcement Actions) Information and Water Quality Results
- Published by: California State Water Resources Control Board
- Last updated: Tuesday, December 16, 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, December 16, 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 - Water Quality Regulatory Information
- Published by: California State Water Resources Control Board
- Last updated: Tuesday, December 16, 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....
Surface Water - Water Quality Regulated Facility Information
- Published by: California State Water Resources Control Board
- Last updated: Tuesday, December 16, 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...
WDL Ground Surface Displacement - Land Subsidence Monitoring
- Published by: California Department of Water Resources
- Last updated: Saturday, December 20, 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...
Continuous Groundwater Level Measurements
- Published by: California Department of Water Resources
- Last updated: Saturday, December 20, 2025
- File types: CSV
DWR continuous groundwater level measurements contains continuous time-series data from automated recorders at sites operated by the Department of Wa...