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350 datasets

Water quality, fish, phytoplankton, clams and zooplankton monitoring to support the Summer-Fall Suisun Marsh Salinity Control Gates Action

Published by: California Department of Water Resources
Last updated: Wednesday, October 22, 2025
File types:

The Suisun Marsh Salinity Control Gates (SMSCG) have the potential to increase low-salinity-zone habitat for endangered Delta Smelt (Hypomesus transpa...

Interagency Ecological Program: Zooplankton catch and water quality data from the Sacramento River floodplain and tidal slough, collected by the Yolo Bypass Fish Monitoring Program, 1998-2018.

Published by: California Department of Water Resources
Last updated: Wednesday, October 22, 2025
File types:

Largely supported by the Interagency Ecological Program (IEP), the California Department of Water Resources (DWR) has operated a fisheries and inverte...

Interagency Ecological Program: Fish catch and water quality data from the Sacramento River floodplain and tidal slough, collected by the Yolo Bypass Fish Monitoring Program, 1998-2023.

Published by: California Department of Water Resources
Last updated: Wednesday, October 22, 2025
File types:

Largely supported by the Interagency Ecological Program (IEP), California Department of Water Resources (DWR) has operated a fish monitoring program i...

Interagency Ecological Program: Discrete water quality and phytoplankton data from the Sacramento River floodplain and Yolo Bypass tidal slough, collected by the Yolo Bypass Fish Monitoring Program, 1998 - 2022

Published by: California Department of Water Resources
Last updated: Wednesday, October 22, 2025
File types: DATA

The Yolo Bypass Fish Monitoring Program (YBFMP) operates a rotary screw trap and fyke trap and conducts biweekly beach seine and lower trophic surveys...

Interagency Ecological Program: Drift invertebrate catch and water quality from the Sacramento River channel, and Sacramento River floodplain and tidal slough, collected by the Yolo Bypass Fish Monitoring Program, 1998-2019

Published by: California Department of Water Resources
Last updated: Wednesday, October 22, 2025
File types:

Largely supported by the Interagency Ecological Program (IEP), the California Department of Water Resources (DWR) has operated a fisheries and inverte...

DWR Telemetered Wells

Published by: California Department of Water Resources
Last updated: Wednesday, October 22, 2025
File types: CSV

The Department of Water Resources Telemetered Wells dataset contains information regarding wells within the DWR monitoring network that have telemetry...

Northern Sacramento Valley Groundwater Elevation Change Maps

Published by: California Department of Water Resources
Last updated: Wednesday, October 22, 2025
File types: ZIP

Groundwater Elevation Change Maps summarize the change in groundwater level measurements over time, collected from wells in the northern Sacramento Va...

California Water Plan - Groundwater Update 2013

Published by: California Department of Water Resources
Last updated: Wednesday, October 22, 2025
File types: PDF

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

Continuous Groundwater Level Measurements

Published by: California Department of Water Resources
Last updated: Wednesday, October 22, 2025
File types: CSV

DWR continuous groundwater level measurements contains continuous time-series data from automated recorders at sites operated by the Department of Wa...

Estimated Inundation Periods in the Yolo Bypass, 1998 – 2022

Published by: California Department of Water Resources
Last updated: Wednesday, October 22, 2025
File types:

Largely supported by the Interagency Ecological Program (IEP), California Department of Water Resources (DWR) has operated a fish monitoring program i...