Water
Themes include well water, water quality, wastewater, watershed, storm water, drinking water.Popular datasets
Beach Advisories (Postings and Closures) and Beach Water Quality Monitoring
Well Completion Reports
Surface Water - Fecal Indicator Bacteria Monitoring Results
Search Water datasets
511 datasets
Continuous Groundwater Level Measurements
- Published by: California Department of Water Resources
- Last updated: Thursday, June 25, 2026
- File types: CSV
DWR continuous groundwater level measurements contains continuous time-series data from automated recorders at sites operated by the Department of Wa...
DWR Continuous Data Download Links
- Published by: California Department of Water Resources
- Last updated: Thursday, June 25, 2026
- File types: CSV
Stations and a table of download links for time-series data, from DWR's continuous environmental monitoring database. For more information, see DWR's...
DWR's Basin Characterization Tools - BCTools
- Published by: California Department of Water Resources
- Last updated: Thursday, June 25, 2026
- File types: PNG, ZIP, .ZIP, PDF
*Back to [Basin Characterization Program webpage](https://data.cnra.ca.gov/dataset/dwr-basin-characterization "Basin Characterization Program webpage"...
DWR Airborne Electromagnetic (AEM) Surveys Data
- Published by: California Department of Water Resources
- Last updated: Thursday, June 25, 2026
- File types: PDF, AGOL, ZIP, FILE GEODATABASE OR SHAPEFILE, SHP
*Back to [Basin Characterization Program webpage](https://data.cnra.ca.gov/dataset/dwr-basin-characterization "Basin Characterization Program webpage"...
TRE ALTAMIRA InSAR Subsidence Data
- Published by: California Department of Water Resources
- Last updated: Thursday, June 25, 2026
- File types: PDF, HTML, GEOTIFF, ZIP
This dataset represents measurements of vertical ground surface displacement in more than 200 of the high-use and populated groundwater basins across ...
National Hydrography Data - NHD and 3DHP
- Published by: California Department of Water Resources
- Last updated: Thursday, June 25, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API
The USGS National Hydrography Dataset (NHD) downloadable data collection from The National Map (TNM) is a comprehensive set of digital spatial data th...
National Hydrography Data - NHD and 3DHP
- Published by: California Department of Water Resources
- Last updated: Thursday, June 25, 2026
- File types: WEBSITE, ARCGIS GEOSERVICES REST API, PDF, ZIP, CSV
The USGS National Hydrography Dataset (NHD) downloadable data collection from The National Map (TNM) is a comprehensive set of digital spatial data th...
Daily SWP Reservoir Elevation and Storage Data
- Published by: California Department of Water Resources
- Last updated: Thursday, June 25, 2026
- File types: CSV
This dataset contains the daily elevation and storage data for the State Water Project reservoirs....
CA Urban Retail Water System Water Loss Annual Loss Audit Data
- Published by: California Department of Water Resources
- Last updated: Thursday, June 25, 2026
- 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...
County SB 552 Status Dashboard Data and Drought Resilience Plans
- Published by: California Department of Water Resources
- Last updated: Thursday, June 25, 2026
- File types: CSV
This dataset supports the County SB 552 Progress Dashboard, which is published on DWR’s [County Drought Resilience Planning webpage](https://water.ca....