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    • This is a Non-Federal dataset covered by different Terms of Use than Data.gov.

    DSM2 FC.2023.01

    Metadata Updated: March 23, 2026

    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:

    • Updated cross-sections and channel lengths using the DSM2 GIS Reference Project, which used 2018 bathmetry, and determined channel lengths using the CSDP centerline lengths (for more information, see Chapter 2 of the 2020 Annual Report at https://data.cnra.ca.gov/dataset/dsm2/resource/010599fd-6d3c-42a6-bade-37822d4aa486).
    • Added reservoirs to represent the Yolo Flyway, Decker Island, and Tule Red restoration areas
    • Added channels to represent the Lindsey Slough restoration area.
    • Added a channel to connect the two branches of Paradise Cut.
    • Added channels to connect the Yolo Flyway, Decker Island, and Tule Red Restoration areas to the model grid.
    • Added layered reservoir input for all reservoirs.
    • Added channels for the Yolo Toe Drain, aka Prospect Slough.
    • Added Yolo Toe Drain inflow data as a boundary inflow.
    • Removed low flows from Calaveras flow input (lower flows don't make it to the Delta).

    This release contains time series inputs from the 2022 DSM2 historical release, with the following changes: - removed lower flow values from Calaveras River inflow time series. These lower flows do not actually make it to the Delta. - Added a time series for Yolo Toe Drain (aka Prospect Slough) inflow.

    Source Code: DSM2 HYDRO, QUAL, and PTM:
    https://github.com/CADWRDeltaModeling/dsm2/releases/

    Access & Use Information

    Public: This dataset is intended for public access and use. Non-Federal: This dataset is covered by different Terms of Use than Data.gov. License: No license information was provided.

    Downloads & Resources

    Dates

    Metadata Created Date July 23, 2025
    Metadata Updated Date March 23, 2026

    Metadata Source

    Harvested from State of California

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date July 23, 2025
    Metadata Updated Date March 23, 2026
    Publisher California Department of Water Resources
    Maintainer
    Identifier e972f754-a715-4733-ab92-a415f3d0e5c7
    Data First Published 2023-08-04T00:19:08.117238
    Data Last Modified 2026-03-20T20:57:12.177700
    Category Natural Resources, Water
    Public Access Level public
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Harvest Object Id 49957bf0-73b5-4869-97da-06b46378ccb4
    Harvest Source Id 3ba8a0c1-5dc2-4897-940f-81922d3cf8bc
    Harvest Source Title State of California
    Source Datajson Identifier True
    Source Hash 59cb24bf2e464ba2206489bb2f2d3a37d549a4d1645222c711d6e12b69a4f68b
    Source Schema Version 1.1

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