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
Beach Advisories (Postings and Closures) and Beach Water Quality Monitoring
Search Water datasets
501 datasets
Drinking Water - SAFER Dashboard Failing and At-Risk Drinking Water Systems
- Published by: California State Water Resources Control Board
- Last updated: Saturday, June 13, 2026
- File types: PDF, EXCEL (XLSX), CSV
The Division of Drinking Water (DDW) identifies Failing and At-Risk community water systems and K-12 non-transient, non-community schools. This inform...
DWR Continuous Data Download Links
- Published by: California Department of Water Resources
- Last updated: Saturday, June 13, 2026
- File types: CSV
Stations and a table of download links for time-series data, from DWR's continuous environmental monitoring database. For more information, see DWR's...
Well Completion Reports
- Published by: California Department of Water Resources
- Last updated: Saturday, June 13, 2026
- 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...
TRE ALTAMIRA InSAR Subsidence Data
- Published by: California Department of Water Resources
- Last updated: Saturday, June 13, 2026
- File types: PDF, HTML, GEOTIFF, ZIP
This dataset represents measurements of vertical ground surface displacement in more than 200 of the high-use and populated groundwater basins across ...
DWR's Basin Characterization Tools - BCTools
- Published by: California Department of Water Resources
- Last updated: Saturday, June 13, 2026
- File types: PNG, ZIP, PDF, .ZIP
[DWR’s California's Groundwater Basin Characterization Program](https://water.ca.gov/Programs/Groundwater-Management/Bulletin-118/Basin-Characterizati...
Groundwater Sustainability Plan Annual Report Data
- Published by: California Department of Water Resources
- Last updated: Saturday, June 13, 2026
- File types: CSV
The Groundwater Sustainability Plan (GSP) Annual Report (AR) datasets contain the following data submitted by Groundwater Sustainability Agencies (GSA...
GSP Monitoring Data
- Published by: California Department of Water Resources
- Last updated: Saturday, June 13, 2026
- File types: CSV
The Groundwater Sustainability Plan (GSP) Monitoring dataset contains the monitoring sites and associated groundwater level, subsidence or streamflow ...
Dry Well Reporting System Data
- Published by: California Department of Water Resources
- Last updated: Saturday, June 13, 2026
- File types: CSV
In California, water systems serving one (1) to 15 households are regulated at the county level. Counties vary in their practices, but rarely do count...
DWR's Basin Characterization Program
- Published by: California Department of Water Resources
- Last updated: Saturday, June 13, 2026
- File types: .ZIP, ZIP, FILE GEODATABASE, PDF
DWR has a long history of studying and characterizing California’s groundwater aquifers as a part of [California’s Groundwater (Bulletin 118)](https:/...
National Hydrography Data - NHD and 3DHP
- Published by: California Department of Water Resources
- Last updated: Saturday, June 13, 2026
- File types: WEBSITE, ARCGIS GEOSERVICES REST API, PDF, ZIP, CSV
The USGS National Hydrography Dataset (NHD) downloadable data collection from The National Map (TNM) is a comprehensive set of digital spatial data th...