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Search California Department of Water Resources datasets

435 datasets

DWR Continuous Data Download Links

  • Published by: California Department of Water Resources
  • Last updated: Saturday, August 1, 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...

Well Completion Reports

  • Published by: California Department of Water Resources
  • Last updated: Saturday, August 1, 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...

TRE ALTAMIRA InSAR Subsidence Data

  • Published by: California Department of Water Resources
  • Last updated: Saturday, August 1, 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 ...

Groundwater Sustainability Plan Annual Report Data

  • Published by: California Department of Water Resources
  • Last updated: Saturday, August 1, 2026
  • File types: CSV

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

Periodic Groundwater Level Measurements

  • Published by: California Department of Water Resources
  • Last updated: Saturday, August 1, 2026
  • 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...

GSP Monitoring Data

  • Published by: California Department of Water Resources
  • Last updated: Saturday, August 1, 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: Saturday, August 1, 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...

CA Urban Retail Water System Water Loss Annual Loss Audit Data

  • Published by: California Department of Water Resources
  • Last updated: Saturday, August 1, 2026
  • File types: CSV

This dataset contains annual validated water loss audit reports submitted to the Department of Water Resources by California urban retail water suppli...

DWR's Basin Characterization Program

  • Published by: California Department of Water Resources
  • Last updated: Friday, July 31, 2026
  • File types: .ZIP, ZIP, FILE GEODATABASE, PDF

DWR has a long history of studying and characterizing California’s groundwater aquifers as a part of [California’s Groundwater (Bulletin 118)](https:/...

i08 GroundwaterStations EnterpriseWaterManagement

  • Published by: California Department of Water Resources
  • Last updated: Saturday, August 1, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This is a point feature class of all groundwater elevation monitoring stations (wells) maintained in the California Department of Water Resources’ (he...