Water
Themes include well water, water quality, wastewater, watershed, storm water, drinking water.Popular datasets
Well Completion Reports
Surface Water - Indicator Bacteria Results
Drinking Water - SAFER Dashboard Failing and At-Risk Drinking Water Systems
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549 datasets
Data for Calculating Efficient Outdoor Water Uses
- Published by: California Department of Water Resources
- Last updated: Thursday, June 26, 2025
- File types: CSV, XLS, XLSX
October 31, 2024 (Final DWR Data) The 2018 Legislation required DWR to provide or otherwise identify data regarding the unique local conditions to ...
SVSim: Sacramento Valley Groundwater-Surface Water Simulation Model
- Published by: California Department of Water Resources
- Last updated: Thursday, June 26, 2025
- File types: ZIP, PDF, CSV, XLSX, .ZIP
The Department of Water Resources (DWR) has developed a new model, the Sacramento Valley Groundwater-Surface Water Simulation Model (SVSim). This new ...
Drinking Water - Results of Lead Sampling of Drinking Water in California Schools
- Published by: California State Water Resources Control Board
- Last updated: Monday, September 30, 2024
- File types: CSV
The Division of Drinking Water (DDW), in collaboration with the California Department of Education, has taken the initiative to begin testing for lead...
Ecological Particle Tracking Model (ECO-PTM)
- Published by: California Department of Water Resources
- Last updated: Thursday, June 26, 2025
- File types: WEBSITE, ZIP, HTML
Ecological Particle Tracking Model (ECO-PTM) is an individual-based juvenile salmonid migration and survival model....
South Delta Studies Reference
- Published by: California Department of Water Resources
- Last updated: Thursday, June 26, 2025
- File types: ZIP, PDF, WMV, HTML
Studies done in the South Delta by various agencies...
SGMA - Depletions of Interconnected Surface Water
- Published by: California Department of Water Resources
- Last updated: Monday, June 23, 2025
- File types: PDF
The Depletions of Interconnected Surface Water (ISW) dataset has been established to provide technical resources in support of Groundwater Sustainabil...
COVID-19 Wastewater Surveillance Data. California
- Published by: California State Water Resources Control Board
- Last updated: Tuesday, September 10, 2024
- File types: CSV, DOCX, XLSX
NOTICE: As of September 6, 2024, the wastewater surveillance dataset will now be hosted on: https://data.chhs.ca.gov/dataset/wastewater-surveillance-d...
Methodology for Flow and Salinity Estimates in the Sacramento-San Joaquin Delta and Suisun Marsh
- Published by: California Department of Water Resources
- Last updated: Thursday, June 26, 2025
- File types: PDF
Annual report submitted by the DWR's Delta Modeling Section...
Drinking Water - Public Water System Information
- Published by: California State Water Resources Control Board
- Last updated: Thursday, August 22, 2024
- File types: PDF, CSV
The is a curated dataset of information for all public water systems (PWS) in California, including the name, location and some general informaiton fo...
Agricultural Water Use Data 2006-2010
- Published by: California Department of Water Resources
- Last updated: Thursday, June 26, 2025
- File types: ZIP
Excel Application Tool for Agricultural Water Use Data 2006 - 2010 Department of water resources, Water Use Efficiency Branch, Water Use Unit progr...