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36 datasets
CA Urban Retail Water System Water Loss Annual Loss Audit Data
- Published by: California Department of Water Resources
- Last updated: Sunday, April 5, 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...
Ground Water - Water Quality Results
- Published by: California State Water Resources Control Board
- Last updated: Thursday, April 2, 2026
- File types: EXCEL (XLSX), CSV
Groundwater quality data and related groundwater well information available on the page was queried from the GAMA Groundwater information system (**[G...
Urban Water Use Objectives – Relevant Data
- Published by: California State Water Resources Control Board
- Last updated: Friday, April 3, 2026
- File types: CSV
The Making Conservation a California Way of Life regulation requires urban retail water suppliers (URWS) to annually calculate their Urban Water Use O...
Toxicity Criteria Database
- Published by: California Office of Environmental Health Hazard Assessment
- Last updated: Tuesday, December 30, 2025
- File types: CSV, PDF
Toxicity data for Air (Acute and Chronic Reference Exposure Levels (RELs)), Water (Public Health Goals (PHGs)), Soils (California Human Health Screeni...
i07 Water Shortage Vulnerability Small Water Systems
- Published by: California Department of Water Resources
- Last updated: Sunday, April 5, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
This dataset represents a water shortage vulnerability analysis performed by DWR using Small Water System boundaries pulled from the SWRCB (State Wate...
2019 California Water Quality Status Report
- Published by: California State Water Resources Control Board
- Last updated: Wednesday, October 23, 2019
- File types: ZIP, XLSX, CSV, TXT
The California Water Quality Status Report is an annual data-driven snapshot of the Water Board’s water quality and ecosystem data. This third edition...
CalEnviroScreen 2.0
- Published by: California Office of Environmental Health Hazard Assessment
- Last updated: Wednesday, October 23, 2019
- File types: CSV, XLSX, PDF
The Office of Environmental Health Hazard Assessment (OEHHA), on behalf of the California Environmental Protection Agency (CalEPA), developed Californ...
CalEnviroScreen 3.0 Results
- Published by: California Office of Environmental Health Hazard Assessment
- Last updated: Wednesday, October 23, 2019
- File types: PDF, CSV, SHP
CalEnviroScreen is a mapping tool that helps identify California communities that are most affected by many sources of pollution, and where people are...
Surface Water - 2017 California Water Quality Status Report
- Published by: California State Water Resources Control Board
- Last updated: Wednesday, October 23, 2019
- File types: ZIP
The California Water Boards’ Water Data Center is proud to present the CA Water Quality Status Report. This report is an annual data-driven snapshot ...
California's Groundwater Live Supporting Data
- Published by: California Department of Water Resources
- Last updated: Sunday, April 5, 2026
- File types: HTML, JPEG, PDF, DOCX, ZIP
This dataset contains files and materials in support of the California's Groundwater Live website. California's Groundwater Live is a user-friendly pl...