Water
Themes include well water, water quality, wastewater, watershed, storm water, drinking water.Popular datasets
Well Completion Reports
Surface Water - Fecal Indicator Bacteria Monitoring Results
Drinking Water - SAFER Dashboard Failing and At-Risk Drinking Water Systems
Search Water datasets
499 datasets
Beach Advisories (Postings and Closures) and Beach Water Quality Monitoring
- Published by: California State Water Resources Control Board
- Last updated: Tuesday, March 17, 2026
- File types: PDF, CSV, ZIP
One of California's biggest industries is tourism, and beaches are a significant tourist attraction as well as being an integral part of California’s ...
California's Groundwater Update 2025 (Bulletin 118)
- Published by: California Department of Water Resources
- Last updated: Wednesday, April 22, 2026
- File types: PDF, XLS, URL, .ZIP
California's Groundwater: Bulletin 118 Updates (CalGW Updates) are a continuing series of California's primary technical publications on groundwater r...
State Water Project Routine Water Quality Monitoring
- Published by: California Department of Water Resources
- Last updated: Thursday, April 23, 2026
- File types: CSV, LINK, PDF
The California State Water Project (SWP) is one of the nation’s largest water conveyance projects. Its geographic extent stretches from Sierra Nevada ...
Water Shortage Vulnerability Datasets
- Published by: California Department of Water Resources
- Last updated: Wednesday, April 22, 2026
- File types: HTML
This is the landing page for navigating to all of the water shortage vulnerability datasets provided by California Department of Water Resources. Plea...
Suisun Marsh Salinity Control Gates Log
- Published by: California Department of Water Resources
- Last updated: Wednesday, April 22, 2026
- File types: XLSX, PDF
This log of operations includes: flashboard installation and removal dates, when tidal operations were started and stopped, and notes any technical is...
1D Subsidence Modeling Files for the Central Valley
- Published by: California Department of Water Resources
- Last updated: Wednesday, April 22, 2026
- 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...
Groundwater Trading
- Published by: California Department of Water Resources
- Last updated: Wednesday, April 22, 2026
- File types: PDF
The Water Resiliency Portfolio (2020) tasked the four State agencies to “create flexibility for GSAs to trade water within basins by enabling and ince...
WRIMS GUI
- Published by: California Department of Water Resources
- Last updated: Wednesday, April 22, 2026
- File types: ZIP, DOCX, PDF, JAR, DLL, LOG, BAT, APPLICATION/X-MSDOS-PROGRAM
WRIMS GUI related software package and documents...
National Hydrography Data - NHD and 3DHP
- Published by: California Department of Water Resources
- Last updated: Thursday, April 23, 2026
- File types: PDF, ZIP, WEBSITE, ARCGIS GEOSERVICES REST API, CSV, WEB VIDEOS
The USGS National Hydrography Dataset (NHD) downloadable data collection from The National Map (TNM) is a comprehensive set of digital spatial data th...
Dayflow
- Published by: California Department of Water Resources
- Last updated: Thursday, April 23, 2026
- File types: CSV, PDF, XLSX, DOCX
Dayflow is a computer program developed in 1978 as an accounting tool for determining historical Delta boundary hydrology. It presently provides the ...