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206 datasets

Water Quality - Effluent - Electronic Self-Monitoring Report (eSMR) Data

Published by: California State Water Resources Control Board
Last updated: Thursday, April 2, 2026
File types: PDF, ZIP, CSV

Wastewater discharges are regulated by the Water Board. Those regulated are generally required to submit Self-Monitoring Reports to the State or Regio...

IWFM (Integrated Water Flow Model) - Version 2015.0.961

Published by: California Department of Water Resources
Last updated: Wednesday, April 8, 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: Wednesday, April 8, 2026
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: Wednesday, April 8, 2026
File types: PDF, ZIP

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

IWFM (Integrated Water Flow Model) - Version 2015.0.1045

Published by: California Department of Water Resources
Last updated: Wednesday, April 8, 2026
File types: PDF, ZIP

IWFM (Integrated Water Flow Model) - Version 2015.0.1045 (released August 25, 2020), updated to Version 2015.1.1045 on April 2, 2021 to incorporate a ...

IWFM (Integrated Water Flow Model) - Version 2015.0.1113

Published by: California Department of Water Resources
Last updated: Wednesday, April 8, 2026
File types: PDF, ZIP

IWFM (Integrated Water Flow Model) - Version 2015.0.1113 (released January 13, 2021), updated to Version 2015.1.1113 on February 12, 2021 to incorpora...

California Water Rights Points of Diversion LIST (Detail Summary List)

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

This list includes detail information about every Point of Diversion water rights record in the State Water Resources Control Board's "Electronic Wate...

Beach Advisories (Postings and Closures) and Beach Water Quality Monitoring

Published by: California State Water Resources Control Board
Last updated: Tuesday, March 17, 2026
File types: PDF, CSV, ZIP

One of California's biggest industries is tourism, and beaches are a significant tourist attraction as well as being an integral part of California’s ...

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...

Drought and Water Shortage Risk: Small Suppliers and Rural Communities (Version 2021)

Published by: California Department of Water Resources
Last updated: Wednesday, April 8, 2026
File types: XLSX, XLS

Per California Water Code Section 10609.80 (a), DWR has released an update to the indicators analyzed for the rural communities water shortage vulnera...