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410 datasets

i12 Flood Bypasses 2012

Published by: California Department of Water Resources
Last updated: Thursday, December 4, 2025
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: Thursday, December 4, 2025
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...

IWFM Demand Calculator (IDC) - Version 2015.0.68

Published by: California Department of Water Resources
Last updated: Thursday, December 4, 2025
File types: PDF, ZIP

IDC (IWFM Demand Calculator) - Version 2015.0.68 (released April 23, 2018)...

IWFM Demand Calculator (IDC) - Version 2015.0.77

Published by: California Department of Water Resources
Last updated: Thursday, December 4, 2025
File types: PDF, ZIP

IDC (IWFM Demand Calculator) - Version 2015.0.77 (released March 20, 2019)...

i16 Census Tract DisadvantagedCommunities 2023

Published by: California Department of Water Resources
Last updated: Thursday, December 4, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The IRWM web based DAC mapping tool uses this GIS layer. Created by joining ACS 2019-2023 5 year estimates to the 2020 Census Tracts feature class. Th...

i16 Census Tract EconomicallyDistressedAreas 2023

Published by: California Department of Water Resources
Last updated: Thursday, December 4, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The IRWM web based EDA mapping tool uses this GIS layer. Created by joining ACS 2019-2023 5 year estimates to the 2020 Census Tract feature class. The...

i16 Census BlockGroup EconomicallyDistressedAreas 2023

Published by: California Department of Water Resources
Last updated: Thursday, December 4, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This is a copy of the statewide Census Block Group GIS Tiger file. The IRWM web based EDA mapping tool uses this GIS layer. Created by joining ACS 201...

i12 Levee Breaks Historic

Published by: California Department of Water Resources
Last updated: Thursday, December 4, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Dataset was built over years based on a variety of sources and ongoing incidents during the period in which the dataset steward was in the Delta Levee...

DSM2

Published by: California Department of Water Resources
Last updated: Thursday, December 4, 2025
File types: HTML, ZIP, APPLICATION/X-MSDOS-PROGRAM, PDF

DSM2 models, data, and other resources. The links are in chronological order, with most recent releases at the top. * The Delta Simulation Model I...

Bay-Delta SCHISM Input Data

Published by: California Department of Water Resources
Last updated: Thursday, December 4, 2025
File types: TH, TAR, ZIP

Boundary forcing data for historical modeling with Bay-Delta SCHISM 2008-2016....