To preserve, enhance, and restore the quality of California’s water resources and drinking water for the protection of the environment, public health, and all beneficial uses, and to ensure proper water resource allocation and efficient use, for the benefit of present and future generations
Surface water toxicity data from the California Environmental Data Exchange Network (CEDEN). CEDEN is the California State Water Board's data system for surface water quality in California, and seeks to include all available statewide data (such...
Fecal indicator bacteria data from the California Environmental Data Exchange Network (CEDEN) database. Results include E. coli, enterococci, fecal coliforms, and total coliforms. This is a [subset of the CEDEN Water Chemistry dataset](https://...
This dataset looks at all aspects of storm water management in California as managed and regulated by the State Water Resources Control Board, from the Stormwater Multiple Application and Report Tracking System (SMARTS). https://smarts....
The Division of Drinking Water (DDW), in collaboration with the California Department of Education, has taken the initiative to begin testing for lead in drinking water at all public K-12 schools. In early 2017, DDW and Local Primacy Agencies...
The GeoTracker GAMA (Groundwater Ambient Monitoring and Assessment Program) groundwater information system integrates and displays water quality data from various sources on an interactive Google-based map. Analytical tools and reporting...
This drinking water data related portal (https://www.waterboards.ca.gov/water_issues/programs/hr2w/index.html) provides violation and enforcement actions data. The portal also includes public water systems compliance status' overlaid with an...
A water system’s customer service area is the geographic location that they serve in California. This means all residential and commercial customer connections for which the water system has a permit to provide services and can bill payment. This...
The California Water Quality Status Report is an annual data-driven snapshot of the Water Board’s water quality and ecosystem data. This second edition of the report is organized around the watershed from land to sea. Each theme-specific story...
Public Water Systems (PWS) submit their annual inventory information using the Electronic Annual Report (EAR) submission process on the Drinking Water Information Clearinghouse (DRINC) portal, which is reviewed, and manually updated into the Safe...
The is a curated dataset of information for all public water systems (PWS) in California, including the name, location and some general informaiton for each PWS. The source of the data https://sdwis.waterboards.ca.gov/PDWW/ is a public web...