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416 datasets

IWFM (Integrated Water Flow Model) - Version 2015.0.1045

Published by: California Department of Water Resources
Last updated: Wednesday, January 21, 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, January 21, 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's Groundwater Update 2025 (Bulletin 118)

Published by: California Department of Water Resources
Last updated: Wednesday, January 21, 2026
File types: PDF

California's Groundwater: Bulletin 118 Updates (CalGW Updates) are California's foremost technical publications on groundwater in the state. The Depar...

Lake Oroville Water Quality Assessment for the 2018 Camp Fire

Published by: California Department of Water Resources
Last updated: Wednesday, January 21, 2026
File types: PDF, CSV

In November 2018, the Camp Fire started near the town of Pulga, California north of Lake Oroville. The fire burned much of the Feather River’s North F...

California's Groundwater Semi-Annual Conditions Updates

Published by: California Department of Water Resources
Last updated: Wednesday, January 21, 2026
File types: PDF

Semi-annual Conditions Updates are more frequent supplements to the comprehensive 5-year CalGW Updates, and also provide additional perspective on the...

California Groundwater Elevation Monitoring (CASGEM) Program

Published by: California Department of Water Resources
Last updated: Wednesday, January 21, 2026
File types: PDF

Since 2009, the [California Statewide Groundwater Elevation Monitoring (CASGEM) Program](https://water.ca.gov/programs/groundwater-management/groundwa...

Bulletin 118 Update 2003 - Basin Reports (formerly known as Basin Descriptions)

Published by: California Department of Water Resources
Last updated: Wednesday, January 21, 2026
File types: PDF

This dataset includes the basin reports for the 515 groundwater basins developed as part of Bulletin 118 Update 2003. The reports include descriptions...

Annual Precipitation Data for Northern California 1944-Current

Published by: California Department of Water Resources
Last updated: Wednesday, January 21, 2026
File types: CSV, PDF

The California Department of Water Resources (DWR), Northern Region Office (NRO), maintains 33 precipitation stations that were installed starting in ...

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

Published by: California Department of Water Resources
Last updated: Wednesday, January 21, 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...

2021-2022 West False River Emergency Drought Barrier water quality, flow, and fish monitoring

Published by: California Department of Water Resources
Last updated: Wednesday, January 21, 2026
File types:

To manage the critically low 2021 water supply for beneficial uses, DWR installed the temporary emergency drought barrier (EDB) on West False River in...