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
499 datasets
i16 Census County DisadvantagedCommunities 2023
- Published by: California Department of Water Resources
- Last updated: Friday, March 27, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
The IRWM web based DAC mapping tool uses this GIS layer. Created by joining ACS 2019-2023 5 year estimates to the 2020 Census Counties feature class. ...
i16 Census County EconomicallyDistressedAreas 2023
- Published by: California Department of Water Resources
- Last updated: Friday, March 27, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
This is a copy of the statewide County GIS Tiger file. Created by joining ACS 2019-2023 5 year estimates to the 2020 Census Counties feature class, an...
i16 Census Place DisadvantagedCommunities 2023
- Published by: California Department of Water Resources
- Last updated: Friday, March 27, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
The IRWM web based DAC mapping tool uses this GIS layer. Created by joining ACS 2019-2023 5 year estimates to the 2020 Census Place feature class. A C...
i16 Census Place EconomicallyDistressedAreas 2023
- Published by: California Department of Water Resources
- Last updated: Friday, March 27, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
The IRWM web based EDA mapping tool uses this GIS layer. Created by joining ACS 2019-2023 5 year estimates to the 2020 Census Counties feature class, ...
i16 Census Tract DisadvantagedCommunities 2023
- Published by: California Department of Water Resources
- Last updated: Friday, March 27, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
The IRWM web based DAC mapping tool uses this GIS layer. Created by joining ACS 2019-2023 5 year estimates to the 2020 Census Tracts feature class. Th...
i16 Census Tract EconomicallyDistressedAreas 2023
- Published by: California Department of Water Resources
- Last updated: Friday, March 27, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
The IRWM web based EDA mapping tool uses this GIS layer. Created by joining ACS 2019-2023 5 year estimates to the 2020 Census Tract feature class. The...
Methodology for Flow and Salinity Estimates in the Sacramento-San Joaquin Delta and Suisun Marsh
- Published by: California Department of Water Resources
- Last updated: Friday, March 27, 2026
- File types: PDF
Annual report submitted by the DWR's Delta Modeling Section...
South Delta Studies Reference
- Published by: California Department of Water Resources
- Last updated: Friday, March 27, 2026
- File types: ZIP, PDF, WMV, HTML
Studies done in the South Delta by various agencies...
California Aqueduct Subsidence Study
- Published by: California Department of Water Resources
- Last updated: Friday, March 27, 2026
- File types: PDF, XLSX
California Aqueduct Subsidence Study. San Luis Field Division, and San Joaquin Field Division...
DSM2 Input 2025-07-03 historical update
- Published by: California Department of Water Resources
- Last updated: Friday, March 27, 2026
- File types: ZIP
DSM2 Version "DSM2 Input 2025-07-03 historical update" is based on "DSM2 Input 2025-05-28", and includes the following improvements: * Corrections ...