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
55 datasets
Drinking Water - SAFER Dashboard Failing and At-Risk Drinking Water Systems
- Published by: California State Water Resources Control Board
- Last updated: Saturday, April 4, 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...
Surface Water - Freshwater Harmful Algal Blooms
- Published by: California State Water Resources Control Board
- Last updated: Saturday, April 4, 2026
- 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 - Fecal Indicator Bacteria Monitoring Results
- Published by: California State Water Resources Control Board
- Last updated: Friday, April 3, 2026
- File types: CSV, PDF
This dataset contains fecal indicator bacteria (FIB) monitoring results collected from surface waters across California. It includes results for _Esch...
Urban Water Use Objectives – Relevant Data
- Published by: California State Water Resources Control Board
- Last updated: Friday, April 3, 2026
- 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...
Water Quality - Effluent - Electronic Self-Monitoring Report (eSMR) Data
- Published by: California State Water Resources Control Board
- Last updated: Thursday, April 2, 2026
- File types: PDF, ZIP, CSV
Wastewater discharges are regulated by the Water Board. Those regulated are generally required to submit Self-Monitoring Reports to the State or Regio...
Central Valley Water Board E. coli Monitoring Results
- Published by: California State Water Resources Control Board
- Last updated: Thursday, April 2, 2026
- File types: CSV
Draft - E. coli monitoring results from the Central Valley Regional Water Quality Control Board. _E. coli_ is a type of bacteria used to indicate feca...
Ground Water - Water Quality Results
- Published by: California State Water Resources Control Board
- Last updated: Thursday, April 2, 2026
- File types: EXCEL (XLSX), CSV
Groundwater quality data and related groundwater well information available on the page was queried from the GAMA Groundwater information system (**[G...
SWAMP Data Dashboard
- Published by: California State Water Resources Control Board
- Last updated: Wednesday, April 1, 2026
- File types: PDF, CSV
This dataset supports the [SWAMP Data Dashboard](https://gispublic.waterboards.ca.gov/swamp-data/), a public-facing tool developed by the [Surface Wat...
California Water Rights Water Use Reported
- Published by: California State Water Resources Control Board
- Last updated: Wednesday, April 1, 2026
- File types: XLSX, ZIP, CSV, DOCX, PDF
This list includes detail information for WATER USE as reported annually under each water right as stored in the State Water Resources Control Board...
Stormwater - Regulatory (including Enforcement Actions) Information and Water Quality Results
- Published by: California State Water Resources Control Board
- Last updated: Monday, March 30, 2026
- File types: CSV
This dataset looks at all aspects of storm water management in California as managed and regulated by the State Water Resources Control Board, from th...