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650 datasets

Environmental Monitoring Program: Discrete Water Quality Data

Published by: California Department of Water Resources
Last updated: Friday, October 17, 2025
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...

Ground Water - Water Quality Results

Published by: California State Water Resources Control Board
Last updated: Monday, October 13, 2025
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...

Integrated Water Flow Model (IWFM) - Version 4.0.331

Published by: California Department of Water Resources
Last updated: Saturday, October 18, 2025
File types: PDF, ZIP

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

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...

California Water Rights Water Use Reported

Published by: California State Water Resources Control Board
Last updated: Tuesday, August 26, 2025
File types: ZIP, CSV, XLSX, 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...

Surface Water - Water Quality Regulatory Information

Published by: California State Water Resources Control Board
Last updated: Tuesday, October 14, 2025
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....

IWFM (Integrated Water Flow Model) - Version 2015.0.961

Published by: California Department of Water Resources
Last updated: Friday, October 17, 2025
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, October 18, 2025
File types: PDF, ZIP

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

Integrated Water Flow Model (IWFM) - Version 2015.0.706

Published by: California Department of Water Resources
Last updated: Saturday, October 18, 2025
File types: PDF, ZIP

IWFM (Integrated Water Flow Model) - Version 2015.0.706 (released April 23, 2018)...

Ground Water - Water Quality Regulatory Information

Published by: California State Water Resources Control Board
Last updated: Tuesday, September 2, 2025
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...