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283 datasets

Groundwater Basin Boundary Descriptions - Colorado River Region (7-XXX Basins)

Published by: California Department of Water Resources
Last updated: Thursday, April 23, 2026
File types: PDF

This dataset includes the official groundwater basin boundary descriptions for California's 515 groundwater basins. To make locating descriptions easi...

California Water Rights Points of Investigation List

Published by: California State Water Resources Control Board
Last updated: Friday, August 29, 2025
File types: CSV, XLSX, DOCX

This list includes detail information about every Point of Investigation (POI) water rights record in the State Water Resources Control Board's "Elect...

Groundwater Basin Boundary Descriptions - Lahontan Region (6-XXX Basins)

Published by: California Department of Water Resources
Last updated: Thursday, April 23, 2026
File types: PDF

This dataset includes the official groundwater basin boundary descriptions for California's 515 groundwater basins. To make locating descriptions easi...

California Water Rights LIST (Detail Summary List)

Published by: California State Water Resources Control Board
Last updated: Tuesday, August 5, 2025
File types: CSV, DOCX, XLSX

This list includes detail information about every water rights record in the State Water Resources Control Board's "Electronic Water Rights Informatio...

Groundwater Basin Boundary Descriptions - Sacramento River Region (5-XXX Basins)

Published by: California Department of Water Resources
Last updated: Thursday, April 23, 2026
File types: PDF

This dataset includes the official groundwater basin boundary descriptions for California's 515 groundwater basins. To make locating descriptions easi...

California Water Rights Annual Reports (Detail Summary List)

Published by: California State Water Resources Control Board
Last updated: Friday, August 29, 2025
File types: CSV, XLSX, DOC, PDF

This list includes detail information as reported annually under each water right as stored in the State Water Resources Control Board's "Electronic W...

Environmental Monitoring Program: Discrete Water Quality Data

Published by: California Department of Water Resources
Last updated: Thursday, April 23, 2026
File types: CSV, PDF

The Interagency Ecological Program’s (IEP) Environmental Monitoring Program (EMP) was initiated in compliance with the Water Right Decision D-1379 (no...

Drinking Water - Open Environmental Data Project - March 23, 2023 Workshop

Published by: California State Water Resources Control Board
Last updated: Monday, November 10, 2025
File types: PDF, HTML, CSV, SHP, ZIP, PPTX

The following datasets related to regulated drinking water system facilities in California have been developed and are available for the purpose of th...

2025 UWMP Reporting

Published by: California Department of Water Resources
Last updated: Thursday, April 23, 2026
File types: PDF

This DWR Open Data Publication includes the necessary reporting materials to complete the 2025 Urban Water Management Plan (UWMP). Urban Water Managem...

Surface Water - Chemistry Results - CEDEN Augmentation

Published by: California State Water Resources Control Board
Last updated: Wednesday, April 15, 2026
File types: CSV, PDF

This dataset includes field and lab chemistry data that has been submitted to the [California Environmental Data Exchange Network](https://ceden.water...