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97 datasets

i03 Delta PrimarySecondary Zones

Published by: California Department of Water Resources
Last updated: Saturday, April 4, 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...

Delta Vegetation and Land Use - 2011 [ds292]

Published by: California Department of Fish and Wildlife
Last updated: Saturday, April 4, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Under contract to the California Department of Fish and Wildlife (CDFW) and the Bay-Delta Region for use in conjunction with the Delta Regional Ecosys...

i07 SignificantResourceAreas Delta 1979

Published by: California Department of Water Resources
Last updated: Saturday, April 4, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

"This section identifies those areas in the Delta which because of their resource value should receive special consideration. Those areas...have ...

Bay-Delta SCHISM Processed Bathymetry

Published by: California Department of Water Resources
Last updated: Saturday, April 4, 2026
File types: GZIP

These datasets include processed Digital Elevation Models as used in important SCHISM studies, in particular the Delta Conveyance Project and 10 year ...

Bay-Delta SCHISM Input Data

Published by: California Department of Water Resources
Last updated: Saturday, April 4, 2026
File types: TH, TAR, ZIP

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

Vegetation - Delta Vegetation and Land Use Update - 2016 [ds2855]

Published by: California Department of Fish and Wildlife
Last updated: Saturday, April 4, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The Sacramento-San Joaquin Delta Reform Act of 2009 established the Delta Stewardship Council (DSC) to achieve more effective governance while providi...

i03 LegalDeltaBoundary

Published by: California Department of Water Resources
Last updated: Saturday, April 4, 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 ...

i07 Habitat Delta 1977

Published by: California Department of Water Resources
Last updated: Saturday, April 4, 2026
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...

Environmental Monitoring Program: Discrete Water Quality Data

Published by: California Department of Water Resources
Last updated: Saturday, April 4, 2026
File types: CSV, PDF

The Interagency Ecological Program’s (IEP) Environmental Monitoring Program (EMP) was initiated in compliance with the Water Right Decision D-1379 (no...

i12 Salinity Transects SouthDelta

Published by: California Department of Water Resources
Last updated: Saturday, April 4, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This is a point feature class of high-frequency specific conductance and water temperature measurements at specific points in the South Delta. Specifi...