ExperimentalWe used data and feedback to make a user-friendly site. We’d love your feedback.
Back to data.ca.gov.

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...