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783 datasets

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: Saturday, May 16, 2026
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: Saturday, May 16, 2026
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: Saturday, May 16, 2026
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: Saturday, May 16, 2026
File types:

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

Statewide Crop Mapping

Published by: California Department of Water Resources
Last updated: Saturday, May 16, 2026
File types: DATA, ZIP, PDF, REST SERVICE, GDB, SHP, STORY MAPS

The California Department of Water Resources (DWR) has been collecting land use data throughout the state and using it to produce agricultural water u...

Bay-Delta SCHISM Atmospheric Collection v1.0 [SUPERSEDED]

Published by: California Department of Water Resources
Last updated: Saturday, May 16, 2026
File types: GZIP, CSV

This dataset is SUPERSEDED. Unless you have a particular motive and really know what you are doing, please use the newer version: https://data.cnra.ca...

IWFM and IDC Support Tools

Published by: California Department of Water Resources
Last updated: Saturday, May 16, 2026
File types: ESRIADDIN FOR ARCMAP, MSI, ZIP

Software products to prepare input data for IWFM and IDC models and to import model results into Excel for further analysis and visualization...

SGMA Climate Change Resources

Published by: California Department of Water Resources
Last updated: Saturday, May 16, 2026
File types: CSV, ZIP, XLSX, PDF

This dataset includes processed climate change datasets related to climatology, hydrology, and water operations. The climatological data provided are ...

California Population Trends by Geography

Published by: California Department of Water Resources
Last updated: Saturday, May 16, 2026
File types: CSV, WEBSITE

The datasets provide population estimate trends from 1998 to the current year for each of California’s 58 counties, further disaggregated by Detailed ...

Juvenile Salmonid Collection System (JSCS) Pilot Project Fish and Environmental Data – McCloud River and Shasta Reservoir (2022–2025)

Published by: California Department of Water Resources
Last updated: Saturday, May 16, 2026
File types: CSV, PDF

The California Department of Water Resources (DWR) conducted the Juvenile Salmonid Collection System (JSCS) Pilot Project from 2022 — 2025 to test new...