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Search California Department of Water Resources datasets

424 datasets

Well Completion Reports

  • Published by: California Department of Water Resources
  • Last updated: Monday, June 15, 2026
  • File types: CSV, XLSX

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

WDL Ground Surface Displacement - Land Subsidence Monitoring

  • Published by: California Department of Water Resources
  • Last updated: Monday, June 15, 2026
  • File types: CSV

Borehole extensometers are a more site specific method of measuring land subsidence. These instruments consist of a pipe or cable anchored at the bott...

Continuous Groundwater Level Measurements

  • Published by: California Department of Water Resources
  • Last updated: Monday, June 15, 2026
  • File types: CSV

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

Groundwater Sustainability Plan Annual Report Data

  • Published by: California Department of Water Resources
  • Last updated: Monday, June 15, 2026
  • File types: CSV

The Groundwater Sustainability Plan (GSP) Annual Report (AR) datasets contain the following data submitted by Groundwater Sustainability Agencies (GSA...

GSP Monitoring Data

  • Published by: California Department of Water Resources
  • Last updated: Monday, June 15, 2026
  • File types: CSV

The Groundwater Sustainability Plan (GSP) Monitoring dataset contains the monitoring sites and associated groundwater level, subsidence or streamflow ...

Dry Well Reporting System Data

  • Published by: California Department of Water Resources
  • Last updated: Monday, June 15, 2026
  • File types: CSV

In California, water systems serving one (1) to 15 households are regulated at the county level. Counties vary in their practices, but rarely do count...

DWR Continuous Data Download Links

  • Published by: California Department of Water Resources
  • Last updated: Monday, June 15, 2026
  • 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...

National Hydrography Data - NHD and 3DHP

  • Published by: California Department of Water Resources
  • Last updated: Monday, June 15, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API

The USGS National Hydrography Dataset (NHD) downloadable data collection from The National Map (TNM) is a comprehensive set of digital spatial data th...

TRE ALTAMIRA InSAR Subsidence Data

  • Published by: California Department of Water Resources
  • Last updated: Monday, June 15, 2026
  • File types: PDF, HTML, GEOTIFF, ZIP

This dataset represents measurements of vertical ground surface displacement in more than 200 of the high-use and populated groundwater basins across ...

DWR's Basin Characterization Tools - BCTools

  • Published by: California Department of Water Resources
  • Last updated: Monday, June 15, 2026
  • File types: PNG, ZIP, PDF, .ZIP

[DWR’s California's Groundwater Basin Characterization Program](https://water.ca.gov/Programs/Groundwater-Management/Bulletin-118/Basin-Characterizati...