Water
Themes include well water, water quality, wastewater, watershed, storm water, drinking water.Popular datasets
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494 datasets
Spatial CIMIS ETo maps — Daily Reference Evapotranspiration for California
- Published by: California Department of Water Resources
- Last updated: Wednesday, January 28, 2026
- File types: ASCII, GEOTIFF
🔔 **Data now available in Cloud-Optimized GeoTIFF format for faster access!** ### Summary This dataset contains daily grass-reference evapotransp...
Daily SWP Reservoir Elevation and Storage Data
- Published by: California Department of Water Resources
- Last updated: Wednesday, January 28, 2026
- File types: CSV
This dataset contains the daily elevation and storage data for the State Water Project reservoirs....
C2VSimCG Version 2025 - Draft
- Published by: California Department of Water Resources
- Last updated: Wednesday, January 28, 2026
- File types: ZIP
Draft Coarse Grid California Central Valley Groundwater-Surface Water Simulation Model (released January 1, 2026). C2VSimCG v2025 is a computer progra...
Surface Water - Habitat Results
- Published by: California State Water Resources Control Board
- Last updated: Saturday, January 10, 2026
- File types: PDF, ZIP, CSV
This data provides results from field analyses, from the [California Environmental Data Exchange Network](https://ceden.org/) (CEDEN). The data set co...
Surface Water - Aquatic Organism Tissue Sample Results
- Published by: California State Water Resources Control Board
- Last updated: Saturday, January 10, 2026
- File types: PDF, ZIP, CSV
This data set provides results of tissue from organisms found in surface waters, from the [California Environmental Data Exchange Network](https://ced...
Surface Water - Chemistry Results
- Published by: California State Water Resources Control Board
- Last updated: Saturday, January 10, 2026
- 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....
Surface Water - Benthic Macroinvertebrate Results
- Published by: California State Water Resources Control Board
- Last updated: Saturday, January 10, 2026
- File types: PDF, CSV, ZIP
Data collected for marine benthic infauna, freshwater benthic macroinvertebrate (BMI), algae, bacteria and diatom taxonomic analyses, from the [Califo...
Surface Water - Sampling Location Information
- Published by: California State Water Resources Control Board
- Last updated: Friday, January 9, 2026
- 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: Wednesday, January 7, 2026
- 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...
TRE ALTAMIRA InSAR Subsidence Data
- Published by: California Department of Water Resources
- Last updated: Wednesday, January 28, 2026
- 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 ...