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48 datasets

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: Sunday, April 5, 2026
File types:

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

DSM2 FC.2023.01

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: ZIP, HTML

Release Notes The following is a summary of the differences between the current release DSM2 FC.2023.01 and the previous release DSM2 v8.2.2: - ...

San Francisco Bay and Sacramento-San Joaquin Delta DEM for Modeling, Version 4.1 (SUPERSEDED)

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: ZIP, PNG

This product is superseded by version 4.2. See: https://data.cnra.ca.gov/dataset/san-francisco-bay-and-sacramento-san-joaquin-delta-dem-for-modeling-...

DSM2 Input 2025-05-28 historical update

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: ZIP, HTML, PDF

The following is a summary of the features from the DSM2 Monitoring Special Study (MSS) release that were merged into the DSM2 2023 Full Calibratio...

County Land Use Surveys

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: ZIP

This is collection of DWR County Land Use Surveys. You may scroll the list below to download any individual survey of interest. Historic County L...

San Francisco Bay and Sacramento-San Joaquin Delta DEM for Modeling, Version 4.2

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: PNG, ZIP

# SUPERSEDED --> See version 4.3 https://data.cnra.ca.gov/dataset/san-francisco-bay-and-sacramento-san-joaquin-delta-dem-for-modeling-version-4-3 ...

i06 Contours 1ft Delta 2007

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

One foot contours developed from Delta LIDAR. LIDAR was developed under a contract between California DWR and URS Corporation (DRMS contract), with Fu...

Bay-Delta SCHISM Processed Bathymetry

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: GZIP

These datasets include processed Digital Elevation Models as used in important SCHISM studies, in particular the Delta Conveyance Project and 10 year ...

i12 Flood Bypasses 2012

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This feature class is a vector file containing polygons that represent the flood control bypasses of the Sacramento and San Joaquin Rivers. Bypasses c...

i12 Flood Bypasses 2014

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This feature class is a vector file containing polygons that represent the flood control bypasses of the Sacramento and San Joaquin Rivers. Bypasses c...