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

Search Water datasets

548 datasets

Surface Water - Benthic Macroinvertebrate Results

  • Published by: California State Water Resources Control Board
  • Last updated: Tuesday, June 3, 2025
  • File types: PDF, CSV, ZIP

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

Well Completion Reports

  • Published by: California Department of Water Resources
  • Last updated: Friday, June 20, 2025
  • File types: CSV, ZIP, XLSX

This Well Completion Report dataset represents an index of records from the California Department of Water Resources' (DWR) Online System for Well Com...

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

  • Published by: California State Water Resources Control Board
  • Last updated: Tuesday, June 3, 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...

Ground Water - Water Quality Regulatory Information

  • Published by: California State Water Resources Control Board
  • Last updated: Tuesday, June 3, 2025
  • File types: CSV

GeoTracker is the Water Boards' data management system for sites that impact, or have the potential to impact, water quality in California, with empha...

Surface Water - Sampling Location Information

  • Published by: California State Water Resources Control Board
  • Last updated: Tuesday, June 3, 2025
  • 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...

DSM2 Georeferenced Model Grid

  • Published by: California Department of Water Resources
  • Last updated: Friday, June 20, 2025
  • File types: ZIP, PDF, ARCGIS DESKTOP MAP PACKAGE, ARCGIS PRO MAP PACKAGE

ArcGIS and QGIS map packages, with ESRI shapefiles for the DSM2 Model Grid. These are not finalized products. Locations in these shapefiles are approx...

Daily SWP Reservoir Elevation and Storage Data

  • Published by: California Department of Water Resources
  • Last updated: Friday, June 20, 2025
  • File types: CSV

This dataset contains the daily elevation and storage data for the State Water Project reservoirs....

Integrated Water Flow Model (IWFM) Workshops

  • Published by: California Department of Water Resources
  • Last updated: Friday, June 20, 2025
  • File types: ZIP

Materials for past training workshops for IWFM. Each workshop material includes slides used during the workshop, complete and incomplete input data fi...

Suisun Marsh Monitoring Program Channel Water Salinity Report

  • Published by: California Department of Water Resources
  • Last updated: Friday, June 20, 2025
  • File types: PDF

Monthly salinity reports for the Suisun Marsh from October through May of each year....

DWR Technical Support Services (TSS)

  • Published by: California Department of Water Resources
  • Last updated: Friday, June 20, 2025
  • File types: CSV, BIN

(Webpage Under Development) The Department of Water Resources (DWR) provides Technical Support Services (TSS) to assist Groundwater Sustainability ...