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421 datasets

IWFM Demand Calculator (IDC) - Version 2015.0.77

Published by: California Department of Water Resources
Last updated: Monday, April 13, 2026
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: Tuesday, April 14, 2026
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: Tuesday, April 14, 2026
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: Tuesday, April 14, 2026
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: Tuesday, April 14, 2026
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...

DWR's Basin Characterization Program

Published by: California Department of Water Resources
Last updated: Tuesday, April 14, 2026
File types: .ZIP, ZIP, FILE GEODATABASE, PDF

DWR has a long history of studying and characterizing California’s groundwater aquifers as a part of [California’s Groundwater (Bulletin 118)](https:/...

DSM2

Published by: California Department of Water Resources
Last updated: Tuesday, April 14, 2026
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: Tuesday, April 14, 2026
File types: TH, TAR, ZIP

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

i03 Delta PrimarySecondary Zones

Published by: California Department of Water Resources
Last updated: Monday, April 13, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Delta Primary Zone Boundary The history of the primary zone boundary is as follows: the Primary Zone was defined in the 1992 Delta Flood Protection Ac...

San Francisco Bay and Sacramento-San Joaquin Delta DEM for Modeling Version 4 (superseded)

Published by: California Department of Water Resources
Last updated: Tuesday, April 14, 2026
File types: ZIP, PNG

#Superseded https://data.cnra.ca.gov/dataset/san-francisco-bay-and-sacramento-san-joaquin-delta-dem-for-modeling-version-4-1## A more recent version ...