California State Water Resources Control Board
Website: https://www.waterboards.ca.gov/
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.
Search California State Water Resources Control Board datasets
54 datasets
Drinking Water - SAFER Dashboard Failing and At-Risk Drinking Water Systems
- Published by: California State Water Resources Control Board
- Last updated: Thursday, April 3, 2025
- 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...
Surface Water - Freshwater Harmful Algal Blooms
- Published by: California State Water Resources Control Board
- Last updated: Tuesday, April 1, 2025
- File types: PDF, CSV
Freshwater harmful algal bloom (HAB) data from the Freshwater Harmful Algal Bloom (FHAB) data system. The FHAB data system is the California State Wat...
Surface Water - Indicator Bacteria Results
- Published by: California State Water Resources Control Board
- Last updated: Tuesday, March 25, 2025
- File types: CSV, PDF
Attention: The data for the Safe to Swim map and all related resources published on the California Open Data Portal (data.ca.gov) will not be refreshe...
SWAMP Data Dashboard
- Published by: California State Water Resources Control Board
- Last updated: Tuesday, March 25, 2025
- File types: CSV
The Surface Water Ambient Monitoring Program (SWAMP) mission is to provide resource managers, decision makers, and the public with timely, high-qualit...
Urban Water Use Objectives – Relevant Data
- Published by: California State Water Resources Control Board
- Last updated: Friday, March 21, 2025
- 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...
Surface Water - Habitat Results
- Published by: California State Water Resources Control Board
- Last updated: Friday, March 21, 2025
- File types: PDF, ZIP, CSV
This data provides results from field analyses, from the California Environmental Data Exchange Network (CEDEN). The data set contains two provisional...
Surface Water - Aquatic Organism Tissue Sample Results
- Published by: California State Water Resources Control Board
- Last updated: Friday, March 21, 2025
- File types: PDF, ZIP, CSV
This data set provides results of tissue from organisms found in surface waters, from the California Environmental Data Exchange Network (CEDEN). The ...
Surface Water - Chemistry Results
- Published by: California State Water Resources Control Board
- Last updated: Friday, March 21, 2025
- File types: PDF, ZIP, CSV
This data provides results from chemistry and field analyses, from the California Environmental Data Exchange Network (CEDEN). The data set contains t...
Surface Water - Benthic Macroinvertebrate Results
- Published by: California State Water Resources Control Board
- Last updated: Friday, March 21, 2025
- File types: PDF, CSV, ZIP
Data collected for marine benthic infauna, freshwater benthic macroinvertebrate (BMI), algae, bacteria and diatom taxonomic analyses, from the Califor...
Surface Water - Toxicity Results
- Published by: California State Water Resources Control Board
- Last updated: Friday, March 21, 2025
- File types: PDF, CSV, ZIP
Surface water toxicity data from the California Environmental Data Exchange Network (CEDEN). CEDEN is the California State Water Board's data system f...