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

57 datasets

Urban Water Use Objectives – Compiled Report Data

  • Published by: California State Water Resources Control Board
  • Last updated: Wednesday, January 21, 2026
  • File types: CSV

The Making Conservation a California Way of Life regulation requires urban retail water suppliers to annually calculate their Urban Water Use Objectiv...

Urban Retail Water Supplier - Water Conservation, Supply, and Demand (June 2014 onwards)

  • Published by: California State Water Resources Control Board
  • Last updated: Wednesday, January 14, 2026
  • File types: PDF, CSV, XLSX

Monthly reports of water use and conservation activities by urban retail water suppliers, which are generally defined as agencies serving over 3,000 s...

Surface Water - Habitat Results

  • Published by: California State Water Resources Control Board
  • Last updated: Saturday, January 10, 2026
  • File types: PDF, ZIP, CSV

This data provides results from field analyses, from the [California Environmental Data Exchange Network](https://ceden.org/) (CEDEN). The data set co...

Surface Water - Aquatic Organism Tissue Sample Results

  • Published by: California State Water Resources Control Board
  • Last updated: Saturday, January 10, 2026
  • 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](https://ced...

Surface Water - Chemistry Results

  • Published by: California State Water Resources Control Board
  • Last updated: Saturday, January 10, 2026
  • File types: PDF, ZIP, CSV

This data provides results from the [California Environmental Data Exchange Network](https://ceden.org/) (CEDEN) for field and lab chemistry analyses....

Surface Water - Benthic Macroinvertebrate Results

  • Published by: California State Water Resources Control Board
  • Last updated: Saturday, January 10, 2026
  • File types: PDF, CSV, ZIP

Data collected for marine benthic infauna, freshwater benthic macroinvertebrate (BMI), algae, bacteria and diatom taxonomic analyses, from the [Califo...

Surface Water - Sampling Location Information

  • Published by: California State Water Resources Control Board
  • Last updated: Friday, January 9, 2026
  • File types: PDF, CSV

Information about sampling locations for data from the [California Environmental Data Exchange Network](https://ceden.org/) (CEDEN). This set of stati...

Water Quality - Effluent - Electronic Self-Monitoring Report (eSMR) Data

  • Published by: California State Water Resources Control Board
  • Last updated: Wednesday, January 7, 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...

Ground Water - Water Quality Results

  • Published by: California State Water Resources Control Board
  • Last updated: Monday, January 5, 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...

Urban Water Use Objectives – Relevant Data

  • Published by: California State Water Resources Control Board
  • Last updated: Monday, January 5, 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...