Water
Themes include well water, water quality, wastewater, watershed, storm water, drinking water.Popular datasets
Well Completion Reports
Drinking Water - SAFER Dashboard Failing and At-Risk Drinking Water Systems
Surface Water - Fecal Indicator Bacteria Monitoring Results
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488 datasets
DWR Telemetered Wells
- Published by: California Department of Water Resources
- Last updated: Sunday, December 7, 2025
- File types: CSV
The Department of Water Resources Telemetered Wells dataset contains information regarding wells within the DWR monitoring network that have telemetry...
Data for Calculating Efficient Outdoor Water Uses
- Published by: California Department of Water Resources
- Last updated: Sunday, December 7, 2025
- File types: CSV, XLS, XLSX
October 31, 2025 (Final DWR Data) The 2018 Legislation required DWR to provide or otherwise identify data regarding the unique local conditions to ...
Well Completion Reports
- Published by: California Department of Water Resources
- Last updated: Sunday, December 7, 2025
- File types: CSV, XLSX
This Well Completion Report dataset represents an index of records from the California Department of Water Resources' (DWR) Online System for Well Com...
California's Groundwater Update 2025 (Bulletin 118)
- Published by: California Department of Water Resources
- Last updated: Saturday, December 6, 2025
- File types: PDF
California's Groundwater: Bulletin 118 Updates (CalGW Updates) are California's foremost technical publications on groundwater in the state. The Depar...
Clifton Court Forebay Predation Study - (LEG) - Fish Sampling v2
- Published by: California Department of Water Resources
- Last updated: Saturday, December 6, 2025
- File types:
This dataset contains data on predatory fish which were collected during the 2013-2018 CCFPS studies. Fish were captured using hook and line or gillne...
CalSIP Stream Gages
- Published by: California Department of Water Resources
- Last updated: Saturday, December 6, 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...
California Population Trends by Geography
- Published by: California Department of Water Resources
- Last updated: Saturday, December 6, 2025
- File types: CSV, WEBSITE
This dataset provides population estimate trends from 1998 to the current year for each of California’s 58 counties, further disaggregated by Detailed...
1D Subsidence Modeling Files for the Central Valley
- Published by: California Department of Water Resources
- Last updated: Saturday, December 6, 2025
- File types: PDF
Model files and technical memorandum for one-dimensional subsidence models that are discussed in DWR's DRAFT subsidence best management practices (BMP...
DSM2 Cross-Section Development Program (CSDP)
- Published by: California Department of Water Resources
- Last updated: Saturday, December 6, 2025
- File types: ZIP, HTML
The CSDP is used to create geometry for DSM2. The latest version of the CSDP is v20251013....
i03 Groundwater Sustainability Agencies
- Published by: California Department of Water Resources
- Last updated: Sunday, December 7, 2025
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
The passage of the Sustainable Groundwater Management Act (SGMA) in 2014 set forth a statewide framework to help protect groundwater resources over th...