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

Search Water datasets

619 datasets

Continuous Groundwater Level Measurements

  • Published by: California Department of Water Resources
  • Last updated: Wednesday, January 22, 2025
  • File types: CSV

DWR continuous groundwater level measurements contains continuous time-series data from automated recorders at sites operated by the Department of Wa...

DWR Continuous Data Download Links

  • Published by: California Department of Water Resources
  • Last updated: Wednesday, January 22, 2025
  • File types: CSV

Stations and a table of download links for time-series data, from DWR's continuous environmental monitoring database. For more information, see DWR's...

Stormwater - Regulatory (including Enforcement Actions) Information and Water Quality Results

  • Published by: California State Water Resources Control Board
  • Last updated: Friday, January 17, 2025
  • 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...

Periodic Groundwater Level Measurements

  • Published by: California Department of Water Resources
  • Last updated: Wednesday, January 22, 2025
  • File types: CSV, ZIP, TXT

The DWR Periodic Groundwater Levels dataset contains seasonal and long-term groundwater level measurements collected by the Department of Water Resour...

DWR's Basin Characterization Program

  • Published by: California Department of Water Resources
  • Last updated: Wednesday, January 22, 2025
  • File types: BIN, .ZIP, ZIP, FILE GEODATABASE, PDF

##(Website under development) #Basin Characterization Program Overview DWR has a long history of studying and characterizing California’s groundw...

Water Shortage Vulnerability Technical Methods

  • Published by: California Department of Water Resources
  • Last updated: Wednesday, January 22, 2025
  • File types: PDF

These documents present the 2023 and 2024 updates to the Water Shortage Vulnerability scoring for both (and separately) rural communities as domestic ...

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

  • Published by: California State Water Resources Control Board
  • Last updated: Thursday, January 16, 2025
  • File types: 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...

Water Quality Data

  • Published by: California Department of Water Resources
  • Last updated: Wednesday, January 22, 2025
  • File types: CSV

The California Department of Water Resources (DWR) discrete (vs. continuous) water quality datasets contains DWR-collected, current and historical, ch...

Technical Methods for Water Shortage Vulnerability Scoring Domestic Wells and State Smalls

  • Published by: California Department of Water Resources
  • Last updated: Wednesday, January 22, 2025
  • File types: PDF

Technical Methods for Water Shortage Vulnerability Scoring Domestic Wells and State Smalls for year 2024...

Surface Water - Toxicity Results

  • Published by: California State Water Resources Control Board
  • Last updated: Tuesday, January 14, 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...