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684 datasets

2025 UWMP Reporting

Published by: California Department of Water Resources
Last updated: Saturday, April 11, 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...

California Water Plan - Groundwater Update 2013

Published by: California Department of Water Resources
Last updated: Saturday, April 11, 2026
File types: PDF

California's Groundwater Update 2013: A Compilation of Enhanced Content for California Water Plan Update 2013 compiles and analyzes readily-available ...

Ground Water - Water Quality Results

Published by: California State Water Resources Control Board
Last updated: Thursday, April 2, 2026
File types: EXCEL (XLSX), CSV

Groundwater quality data and related groundwater well information available on the page was queried from the GAMA Groundwater information system (**[G...

California Water Rights Water Use Reported

Published by: California State Water Resources Control Board
Last updated: Wednesday, April 1, 2026
File types: XLSX, ZIP, CSV, DOCX, PDF

This list includes detail information for WATER USE as reported annually under each water right as stored in the State Water Resources Control Board...

Drinking Water - Public Water System Information

Published by: California State Water Resources Control Board
Last updated: Thursday, August 22, 2024
File types: PDF, CSV

The is a curated dataset of information for all public water systems (PWS) in California, including the name, location and some general informaiton fo...

Surface Water - Water Quality Regulatory Information

Published by: California State Water Resources Control Board
Last updated: Tuesday, April 7, 2026
File types: CSV, PDF

This data set lists active and historical enforcement actions records that are stored in the [California Integrated Water Quality System](https://www....

Ground Water - Water Quality Regulatory Information

Published by: California State Water Resources Control Board
Last updated: Monday, April 6, 2026
File types: CSV

GeoTracker is the Water Boards' data management system for sites that impact, or have the potential to impact, water quality in California, with empha...

Integrated Water Flow Model (IWFM) - Version 4.0.331

Published by: California Department of Water Resources
Last updated: Saturday, April 11, 2026
File types: PDF, ZIP

IWFM (Integrated Water Flow Model) - Released November 21, 2014...

IWFM (Integrated Water Flow Model) - Version 2015.0.961

Published by: California Department of Water Resources
Last updated: Saturday, April 11, 2026
File types: PDF, ZIP

IWFM (Integrated Water Flow Model) - Version 2015.0.961 (released February 5, 2020)...

Integrated Water Flow Model (IWFM) - Version 2015.0.828

Published by: California Department of Water Resources
Last updated: Saturday, April 11, 2026
File types: PDF, ZIP

IWFM (Integrated Water Flow Model) - Version 2015.0.828 (released March 20, 2019)...