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DSM2 Georeferenced Model Grids

Published by California Department of Water Resources | State of California | Catalog Last Checked: October 24, 2026 at 08:44 PM | Dataset Last Updated: October 09, 2026 at 07:02 PM
ArcGIS and QGIS map packages, with ESRI shapefiles for DSM2 Model Grids. These are not finalized products. Locations in these shapefiles are approximate. Monitoring Stations - shapefile with approximate locations of monitoring stations. DSM2 Grid 2025-05-28 Historical ------------------------------------------- FC_2023.01 ------------------------------------------- DSM2 v8.2.0, calibrated version: -------------------------------------------------------------------------------- * dsm2_8_2_grid_map_calibrated.mpkx - ArcGIS Pro map package containing all layers and symbology for the calibrated grid map. * dsm2_8_2_grid_map_calibrated.mpk - ArcGIS Desktop map package containing all layers and symbology for the calibrated grid map. * dsm2_8_2_0_calibrated_grid_map_qgis.zip - QGIS map package containing all layers and symbology for the calibrated grid map. * dsm2_8_2_0_calibrated_gridmap_shapefiles.zip - A zip file containing all the shapefiles used in the above map packages: - dsm2_8_2_0_calibrated_channels_centerlines - channel centerlines, follwing the path of CSDP centerlines - dsm2_8_2_0_calibrated_network_channels - channels represented by straight line segments which are connected the upstream and downstream nodes - dsm2_8_2_0_calibrated_nodes - DSM2 nodes - dsm2_8_2_0_calibrated_dcd_only_nodes - Nodes that are only used by DCD - dsm2_8_2_0_calibrated_and_dcd_nodes - Nodes that are shared by DSM2 and DCD - dsm2_8_2_0_calibrated_and_smcd_nodes - Nodes that are shared by DSM2 and SMCD - dsm2_8_2_0_calibrated_gates_actual_loc - The approximate actual locations of each gate in DSM2 - dsm2_8_2_0_calibrated_gates_grid_loc - The locations of each gate in the DSM2 model grid - dsm2_8_2_0_calibrated_reservoirs - The approximate locations of the reservoirs in DSM2 - dsm2_8_2_0_calibrated_reservoir_connections - Lines showing connections from reservoirs to nodes in DSM2 DSM2 v8.2.1, historical version: ----------------------------------------------------------------------------------------- * DSM2 v8.2.1, historical version grid map release notes (PDF), updated 7/12/2022 * DSM2 v8.2.1, historical version grid map, single zoom level (PDF) * DSM2 v8.2.1, historical version grid map, multiple zoom levels (PDF) - PDF grid map designed to be printed on 3 foot wide plotter paper. * DSM2 v8.2.1, historical version map package for ArcGIS Desktop: A map package for ArcGIS Desktop containing the grid map layers with symbology. * DSM2 v8.2.1, historical version grid map shapefiles (zip): A zip file containing the shapefiles used in the grid map. Change Log ----------------- 7/12/2022: The document "DSM2 v8.2.1, historical version grid map release notes (PDF)" was corrected by removing section 4.4, which incorrectly stated that the grid included channels 710-714, representing the Toe Drain, and that the Yolo Flyway restoration area was included.

Resources

15 resources available

  • DSM2 v8.2.1, historical version map package for ArcGIS Desktop

    ARCG
    Download

  • DSM2 v8.2.1, historical version grid map shapefiles

    ZIP
    Download

  • Bay-Delta monitoring stations

    ZIP
    Download

  • DSM2 v8.2 calibrated model grid - all layers, Arc GIS Desktop

    ARCG
    Download

  • DSM2 v8.2 calibrated model grid - all layers, Arc GIS Pro

    ARCG
    Download

  • DSM2 Grid 2025-09-03 historical shapefiles

    ZIP
    Download

  • DSM2 Grid 2026-04-16 historical shapefiles

    ZIP
    Download

  • DSM2 Grid 2025-05-28 historical shapefiles

    ZIP
    Download

  • DSM2 v8.2.1, historical version grid map, multiple zoom levels

    PDF
    Download

  • DSM2 v8.2 calibrated model grid - all layers, QGIS map package

    ZIP
    Download

  • DSM2 v8.2 calibrated model grid - shapefiles for all layers

    ZIP
    Download

  • DSM2 v8.2.1, historical version grid map release notes (updated 7/12/2022)

    PDF
    Download

  • DSM2 FC.2023.01 grid map, multiple zoom levels

    PDF
    Download

  • DSM2 FC.2023.01 grid map, single zoom level

    PDF
    Download

  • DSM2 v8.2.1, historical version grid map, single zoom level

    PDF
    Download

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Complete Metadata
@type dcat:Dataset
accessLevel public
contactPoint 
{
  "fn": "Min Yu",
  "@type": "vcard:Contact",
  "hasEmail": "mailto:Min.Yu@water.ca.gov"
}
description ArcGIS and QGIS map packages, with ESRI shapefiles for DSM2 Model Grids. These are not finalized products. Locations in these shapefiles are approximate. Monitoring Stations - shapefile with approximate locations of monitoring stations. DSM2 Grid 2025-05-28 Historical ------------------------------------------- FC_2023.01 ------------------------------------------- DSM2 v8.2.0, calibrated version: -------------------------------------------------------------------------------- * dsm2_8_2_grid_map_calibrated.mpkx - ArcGIS Pro map package containing all layers and symbology for the calibrated grid map. * dsm2_8_2_grid_map_calibrated.mpk - ArcGIS Desktop map package containing all layers and symbology for the calibrated grid map. * dsm2_8_2_0_calibrated_grid_map_qgis.zip - QGIS map package containing all layers and symbology for the calibrated grid map. * dsm2_8_2_0_calibrated_gridmap_shapefiles.zip - A zip file containing all the shapefiles used in the above map packages: - dsm2_8_2_0_calibrated_channels_centerlines - channel centerlines, follwing the path of CSDP centerlines - dsm2_8_2_0_calibrated_network_channels - channels represented by straight line segments which are connected the upstream and downstream nodes - dsm2_8_2_0_calibrated_nodes - DSM2 nodes - dsm2_8_2_0_calibrated_dcd_only_nodes - Nodes that are only used by DCD - dsm2_8_2_0_calibrated_and_dcd_nodes - Nodes that are shared by DSM2 and DCD - dsm2_8_2_0_calibrated_and_smcd_nodes - Nodes that are shared by DSM2 and SMCD - dsm2_8_2_0_calibrated_gates_actual_loc - The approximate actual locations of each gate in DSM2 - dsm2_8_2_0_calibrated_gates_grid_loc - The locations of each gate in the DSM2 model grid - dsm2_8_2_0_calibrated_reservoirs - The approximate locations of the reservoirs in DSM2 - dsm2_8_2_0_calibrated_reservoir_connections - Lines showing connections from reservoirs to nodes in DSM2 DSM2 v8.2.1, historical version: ----------------------------------------------------------------------------------------- * DSM2 v8.2.1, historical version grid map release notes (PDF), updated 7/12/2022 * DSM2 v8.2.1, historical version grid map, single zoom level (PDF) * DSM2 v8.2.1, historical version grid map, multiple zoom levels (PDF) - PDF grid map designed to be printed on 3 foot wide plotter paper. * DSM2 v8.2.1, historical version map package for ArcGIS Desktop: A map package for ArcGIS Desktop containing the grid map layers with symbology. * DSM2 v8.2.1, historical version grid map shapefiles (zip): A zip file containing the shapefiles used in the grid map. Change Log ----------------- 7/12/2022: The document "DSM2 v8.2.1, historical version grid map release notes (PDF)" was corrected by removing section 4.4, which incorrectly stated that the grid included channels 710-714, representing the Toe Drain, and that the Yolo Flyway restoration area was included.
distribution 
[
  {
    "@type": "dcat:Distribution",
    "title": "DSM2 v8.2.1, historical version map package for ArcGIS Desktop",
    "format": "ArcGIS Desktop map package",
    "mediaType": "application/octet-stream",
    "description": "A map package for ArcGIS Desktop containing the grid map layers with symbology.",
    "downloadURL": "https://data.cnra.ca.gov/dataset/ee79557d-1280-488b-9408-80e634119423/resource/45d3995f-ce9a-4a3f-81cc-710d15e1ad33/download/dsm2_8_2_1_grid_map_historical.mpk"
  },
  {
    "@type": "dcat:Distribution",
    "title": "DSM2 v8.2.1, historical version grid map shapefiles",
    "format": "ZIP",
    "mediaType": "application/zip",
    "description": "A zip file containing the shapefiles used in the grid map.",
    "downloadURL": "https://data.cnra.ca.gov/dataset/ee79557d-1280-488b-9408-80e634119423/resource/5b1ab459-bd4a-47af-900e-37d95a1b3e74/download/dsm2_8_2_1_shapefiles.zip"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Bay-Delta monitoring stations",
    "format": "ZIP",
    "mediaType": "application/zip",
    "description": "Approximate locations of monitoring stations in the Bay-Delta system. The attribute table fields are as follows:
id: CDEC style abbreviation
agency_id: the station id used by the data provider
name: the station name
lat: latitude from the data provider
lon: longitude from the data provider
x: UTM Zone 10 Nad83 easting, based on lon, modified to improve accuracy
y: UTM Zone 10 Nad83 northing, based on lat, modified to improve accuracy
d1641_id: The D1641 ID
wdl_id: The ID used by the DWR Water Data Library
cdec_id: The ID used by the California Data Exchange Center (CDEC)
agency: The name of the data provider
notes: Additional station information",
    "downloadURL": "https://data.cnra.ca.gov/dataset/ee79557d-1280-488b-9408-80e634119423/resource/c0a67d10-4cb5-40f1-b74c-3855eb8689a7/download/monitoring_stations.zip"
  },
  {
    "@type": "dcat:Distribution",
    "title": "DSM2 v8.2 calibrated model grid - all layers, Arc GIS Desktop",
    "format": "ArcGIS Desktop map package",
    "mediaType": "application/octet-stream",
    "description": "Arc GIS Desktop map package containing all the layers for the DSM2 v8.2 calibrated model grid.",
    "downloadURL": "https://data.cnra.ca.gov/dataset/ee79557d-1280-488b-9408-80e634119423/resource/770fcdae-68df-46b8-8a69-8f54ee40e4a8/download/dsm2_8_2_grid_map_calibrated.mpk"
  },
  {
    "@type": "dcat:Distribution",
    "title": "DSM2 v8.2 calibrated model grid - all layers, Arc GIS Pro",
    "format": "ArcGIS Pro map package",
    "mediaType": "application/octet-stream",
    "description": "Arc GIS Pro map package containing all the layers for the DSM2 v8.2 calibrated model grid.",
    "downloadURL": "https://data.cnra.ca.gov/dataset/ee79557d-1280-488b-9408-80e634119423/resource/d297e353-e274-40e6-b14d-ac93b31b6d54/download/dsm2_8_2_grid_map_calibrated.mpkx"
  },
  {
    "@type": "dcat:Distribution",
    "title": "DSM2 Grid 2025-09-03 historical shapefiles",
    "format": "ZIP",
    "mediaType": "application/zip",
    "description": "Based on version "DSM2 Grid 2025-05-28 historical", with connection added from Franks Tract to Old River",
    "downloadURL": "https://data.cnra.ca.gov/dataset/ee79557d-1280-488b-9408-80e634119423/resource/b8c2485e-57f1-433d-a3cd-813f3efb3659/download/dsm2_grid_2025-09-03_historical_shapefiles.zip"
  },
  {
    "@type": "dcat:Distribution",
    "title": "DSM2 Grid 2026-04-16 historical shapefiles",
    "format": "ZIP",
    "mediaType": "application/zip",
    "description": "Based on version "DSM2 Grid 2025-09-03 historical". The location of the Middle River Barrier has been corrected by adding channel 901 to replace a portion of channel 134. The Middle River barrier has been placed on the upstream side of the node for consistency with the configurations of other barriers.

There are no views created for this resource yet.",
    "downloadURL": "https://data.cnra.ca.gov/dataset/ee79557d-1280-488b-9408-80e634119423/resource/fdcd15c6-693b-4feb-92e3-e4c481ae87f3/download/dsm2_grid_2026-04-16_historical_shapefiles.zip"
  },
  {
    "@type": "dcat:Distribution",
    "title": "DSM2 Grid 2025-05-28 historical shapefiles",
    "format": "ZIP",
    "mediaType": "application/zip",
    "description": "MSS South Delta changes
* Added additional Paradise Cut channels
* split some existing Paradise Cut channels, creating new channels.
Additional changes
* changed Tule Red connection from two channels with one weir each, to one channel with two weirs.",
    "downloadURL": "https://data.cnra.ca.gov/dataset/ee79557d-1280-488b-9408-80e634119423/resource/3d78ef29-3744-4f47-a84b-ca60ee7077aa/download/dsm2_grid_2025_05_28_historical_shapefiles.zip"
  },
  {
    "@type": "dcat:Distribution",
    "title": "DSM2 v8.2.1, historical version grid map, multiple zoom levels",
    "format": "PDF",
    "mediaType": "application/pdf",
    "description": "PDF grid map designed to be printed on 3 foot wide plotter paper.",
    "downloadURL": "https://data.cnra.ca.gov/dataset/ee79557d-1280-488b-9408-80e634119423/resource/83ea01c3-d8a3-417e-bb7b-47ea4c412a13/download/dsm2_grid_8_2_1_historical_20210609.pdf"
  },
  {
    "@type": "dcat:Distribution",
    "title": "DSM2 v8.2 calibrated model grid - all layers, QGIS map package",
    "format": "ZIP",
    "mediaType": "application/zip",
    "description": "QGIS map package containing all the layers for the DSM2 v8.2 calibrated model grid.",
    "downloadURL": "https://data.cnra.ca.gov/dataset/ee79557d-1280-488b-9408-80e634119423/resource/40da0f70-fd2c-4e40-bf88-a8e9eb814c86/download/dsm2_8_2_0_calibrated_grid_map_qgis.zip"
  },
  {
    "@type": "dcat:Distribution",
    "title": "DSM2 v8.2 calibrated model grid - shapefiles for all layers",
    "format": "ZIP",
    "mediaType": "application/zip",
    "description": "This is a zip file containing all the shapefiles that are contained in the map packages, except for the monitoring stations layer.",
    "downloadURL": "https://data.cnra.ca.gov/dataset/ee79557d-1280-488b-9408-80e634119423/resource/e060d188-f1b0-4a1d-9e3a-4e87065a19ab/download/dsm2_8_2_0_calibrated_gridmap_shapefiles.zip"
  },
  {
    "@type": "dcat:Distribution",
    "title": "DSM2 v8.2.1, historical version grid map release notes (updated 7/12/2022)",
    "format": "PDF",
    "mediaType": "application/pdf",
    "downloadURL": "https://data.cnra.ca.gov/dataset/ee79557d-1280-488b-9408-80e634119423/resource/7d868ef3-40a5-496e-a4db-40187e4ba02e/download/dsm2georeferencedgridreleasenotes_update_20220712.pdf"
  },
  {
    "@type": "dcat:Distribution",
    "title": "DSM2 FC.2023.01 grid map, multiple zoom levels",
    "format": "PDF",
    "mediaType": "application/pdf",
    "downloadURL": "https://data.cnra.ca.gov/dataset/ee79557d-1280-488b-9408-80e634119423/resource/ec42e173-a191-4b77-80c1-bd16c8a120ab/download/dsm2_grid_fc_2023_01.pdf"
  },
  {
    "@type": "dcat:Distribution",
    "title": "DSM2 FC.2023.01 grid map, single zoom level",
    "format": "PDF",
    "mediaType": "application/pdf",
    "downloadURL": "https://data.cnra.ca.gov/dataset/ee79557d-1280-488b-9408-80e634119423/resource/f586f6a5-043c-4a3a-af33-5e70feefd08b/download/dsm2_grid_fc_2023_01_singlezoom.pdf"
  },
  {
    "@type": "dcat:Distribution",
    "title": "DSM2 v8.2.1, historical version grid map, single zoom level",
    "format": "PDF",
    "mediaType": "application/pdf",
    "downloadURL": "https://data.cnra.ca.gov/dataset/ee79557d-1280-488b-9408-80e634119423/resource/fc1952e4-c666-4f1c-94ea-f7312899f2b8/download/dsm2_grid_8_2_1_historical_singlezoom_20210609.pdf"
  }
]
identifier 3ae75177-4dd1-4c96-b89d-95c7f9cbf4cb
issued 2020-05-13T18:08:21.685580
keyword 
[
  "Channels",
  "DSM2",
  "Grid",
  "Model",
  "Nodes",
  "Shapefile",
  "california department of water resources"
]
modified 2026-10-09T19:02:01.800065
publisher 
{
  "name": "California Department of Water Resources",
  "@type": "org:Organization"
}
theme 
[
  "Natural Resources",
  "Water"
]
title DSM2 Georeferenced Model Grids

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