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3171 datasets

DWR Continuous Data Download Links

  • Published by: California Department of Water Resources
  • Last updated: Saturday, October 4, 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...

DWR Enterprise Monitoring Well Network

  • Published by: California Department of Water Resources
  • Last updated: Saturday, October 4, 2025
  • File types: CSV

The Department of Water Resources (DWR) Enterprise Monitoring Well Network dataset contains information regarding wells monitored by DWR. The wells in...

Groundwater Sustainability Plan Annual Report Data

  • Published by: California Department of Water Resources
  • Last updated: Saturday, October 4, 2025
  • 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, October 4, 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...

GSP Monitoring Data

  • Published by: California Department of Water Resources
  • Last updated: Saturday, October 4, 2025
  • File types: CSV

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

i03 Groundwater Sustainability Agencies

  • Published by: California Department of Water Resources
  • Last updated: Saturday, October 4, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The passage of the Sustainable Groundwater Management Act (SGMA) in 2014 set forth a statewide framework to help protect groundwater resources over th...

Dry Well Reporting System Data

  • Published by: California Department of Water Resources
  • Last updated: Saturday, October 4, 2025
  • 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, October 4, 2025
  • 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: Saturday, October 4, 2025
  • File types: BIN, .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:/...

Suisun Marsh Monitoring Program Channel Water Salinity Report

  • Published by: California Department of Water Resources
  • Last updated: Friday, October 3, 2025
  • File types: PDF

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