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421 datasets

Well Completion Reports

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 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...

Groundwater Sustainability Plan Annual Report Data

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 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: Sunday, April 5, 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: Sunday, April 5, 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: Sunday, April 5, 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: Sunday, April 5, 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 Continuous Data Download Links

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 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...

DWR Telemetered Wells

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: CSV

The Department of Water Resources Telemetered Wells dataset contains information regarding wells within the DWR monitoring network that have telemetry...

DWR Technical Support Services (TSS)

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: CSV

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

Suisun Marsh Monitoring Program Channel Water Salinity Report

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: PDF

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