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410 datasets

i07 Habitat Delta 1977

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

1977 Delta Habitat Types were made digital by heads up digitizing registered scanned pages from 1979 Delta Environmental Atlas, produced by USACE. &qu...

i16 Census BlockGroup 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 Census 2020 Block Group feature clas...

i16 Census County 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 County GIS Tiger file. Created by joining ACS 2019-2023 5 year estimates to the 2020 Census Counties feature class, an...

i16 Census Place 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 Counties feature class, ...

DWR Technical Support Services (TSS)

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

(Webpage Under Development) The Department of Water Resources (DWR) provides Technical Support Services (TSS) to assist Groundwater Sustainability ...

South Delta Monitoring Special Studies (MSS) Modeling Inputs and Selected Outputs

Published by: California Department of Water Resources
Last updated: Thursday, December 4, 2025
File types: ZIP, DOCX, ZIP, PARQUET, YML, YML, DOCX, PARQUET, PYTHON

This dataset includes the MSS version of model inputs and outputs for the Delta Simulation Model 2 and Bay-Delta SCHISM. To perform DSM2 simulation...

Bay-Delta SCHISM Atmospheric Collection v2.0

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

This dataset collects together collated and interpolated data required to run schism and are formatted for use in the model. SCHISM requires atmopheri...

Bay-Delta SCHISM Atmospheric Collection v1.0 [SUPERSEDED]

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

This dataset is SUPERSEDED. Unless you have a particular motive and really know what you are doing, please use the newer version: https://data.cnra.ca...

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...