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151 datasets

Delta Levees Habitat Assessments - Sacramento-San Joaquin Delta - 1998-2019

Published by: California Department of Fish and Wildlife
Last updated: Sunday, April 5, 2026
File types: .XLSX, ZIP

The data includes identifying species within riparian forest, scrub shrub, freshwater marsh, and shaded riverine aquatic habitats (habitat types recog...

South Delta Studies Reference

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: ZIP, PDF, WMV, HTML

Studies done in the South Delta by various agencies...

i12 Delta Hydrology

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This point dataset represents the location of gaging stations in the Sacramento-San Joaquin Delta and Suisun Marsh that have historic and statistical ...

i08 Delta InChannel Islands

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Data contains historical polygons of in-channel islands within the Sacramento San Joaquin Delta. Data consists of merged datasets from 1929, 1940, 194...

Delta 2016 Land Use Data

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: ZIP

Delta 2016 Land Use Data that is used for DETAW-DCD....

Delta Modeling User Group Newsletters

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types:

Newsletters for the DWR Delta Modeling User Group (DMUG)...

Delta Modeling User Group Presentations

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types:

DWR Delta Modeling User Group Presentations...

i12 Delta Salinity Contours

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Data represents maximum up-estuary intrusion of the 1 ppt salinity contour. The lines represent 1000 ppt chloride per million, measured 1½ hours after...

i17 Delta Levees Stationing

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Levee stations, usually in feet but in some cases miles, snapped to 2017 Delta levee centerlines (derived from the 2017 Delta LiDAR). Base source for ...

i03 LegalDeltaBoundary

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Department of Water Resources (DWR), Geodetic Branch, Cadastral Surveys reviewed this boundary in July, 2009, and agreed with the linework along with ...