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
502 datasets
Water Loss Audit Data From Urban Retail Water Suppliers (Superseded)
- Published by: California Department of Water Resources
- Last updated: Friday, June 19, 2026
- File types: XLSX
September 2025 Note: This original 2019 data is superseded by a more recent data which captures newer submissions and resubmissions of older data repo...
California's Groundwater (Bulletin 118)
- Published by: California Department of Water Resources
- Last updated: Friday, June 19, 2026
- File types: PDF
California’s Groundwater (Bulletin 118) is the State’s official publication on the occurrence and nature of groundwater in California. The latest vers...
Integrated Water Flow Model (IWFM)
- Published by: California Department of Water Resources
- Last updated: Friday, June 19, 2026
- File types: PDF, ZIP
Publicly available versions of the Integrated Water Flow Model (IWFM)...
DACs - Census
- Published by: California Department of Water Resources
- Last updated: Friday, June 19, 2026
- File types: ZIP
The following data were used for the Department of Water Resources' (DWR) Disadvantaged Communities (DAC) Mapping Tool: https://gis.water.ca.gov/app/d...
IWFM Demand Calculator (IDC)
- Published by: California Department of Water Resources
- Last updated: Friday, June 19, 2026
- File types: ZIP
Publicly available version of IDC (IWFM Demand Calculator)...
i08 GroundwaterElevationSeasonal Points
- Published by: California Department of Water Resources
- Last updated: Friday, June 19, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
This dataset depicts groundwater level (expressed as elevation) at selected monitoring locations (wells), by season and year. Other information on the...
i08 GroundwaterElevationSeasonal Countours
- Published by: California Department of Water Resources
- Last updated: Friday, June 19, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
This dataset depicts contours of estimated change in groundwater piezometric surfaces in the unconfined or uppermost semi-confined aquifers, between t...
California Water Rights Petitions LIST
- Published by: California State Water Resources Control Board
- Last updated: Friday, August 29, 2025
- File types: CSV, PDF
This list includes detail information about every Petition associated to a water rights record and stored in the State Water Resources Control Board's...
California Water Rights Associated Parties List
- Published by: California State Water Resources Control Board
- Last updated: Friday, August 29, 2025
- File types: CSV, XLSX, DOCX
This list includes detail information for each party associated with a water right or associated to a water right record (Complaints, enforcement, con...
California Water Rights Measurement Devices (Reported in Annual Report)
- Published by: California State Water Resources Control Board
- Last updated: Friday, August 29, 2025
- File types: CSV, XLSX, DOCX, PDF
This list includes detail information about the measurement devices and measurement methods associated with the diversion and storage of water as repo...