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188 datasets

i12 Salinity Contours

Published by: California Department of Water Resources
Last updated: Monday, October 13, 2025
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...

i06 SingleBeam Bathymetry

Published by: California Department of Water Resources
Last updated: Monday, October 13, 2025
File types: HTML, ARCGIS GEOSERVICES REST API

This service, (i06_SingleBeam_Bathymetry) is a service containing point feature layers with single beam bathymetric data collected by California Depar...

i06 Bathy NCRO 20240123 SacramentoRiver

Published by: California Department of Water Resources
Last updated: Monday, October 13, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This service, (i06_SingleBeam_Bathymetry) is a service containing point feature layers with single beam bathymetric data collected by California Depar...

i06 Bathy NCRO 20240418 GrizzlyBay

Published by: California Department of Water Resources
Last updated: Monday, October 13, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This service, (i06_SingleBeam_Bathymetry) is a service containing point feature layers with single beam bathymetric data collected by California Depar...

i06 Bathymetry Index

Published by: California Department of Water Resources
Last updated: Monday, October 13, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This data set, (i06_Bathymetry_Index), is a polygon feature class that represents an index of bathymetric data collected by California Department of W...

SGMA - Depletions of Interconnected Surface Water

Published by: California Department of Water Resources
Last updated: Monday, October 13, 2025
File types: PDF

The Depletions of Interconnected Surface Water (ISW) dataset has been established to provide technical resources in support of Groundwater Sustainabil...

i03 SPFCPlanningArea 20100301

Published by: California Department of Water Resources
Last updated: Monday, October 13, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

State Plan of Flood Control (SPFC) Planning Area is the lands currently receiving protection from the SPFC (CWC§ 9651(g)). State's flood management re...

i18 Deepwater Ship Channels

Published by: California Department of Water Resources
Last updated: Monday, October 13, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, OGC WFS, OGC WMS, CSV, ZIP, GEOJSON, KML

Dataset contains polygon features of deepwater ship channels, specifically the Sacramento and Stockton Deepwater Ship Channels in the California Delta...

i03 Local Maintenance Areas Flood Protection

Published by: California Department of Water Resources
Last updated: Monday, October 13, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Boundaries of various types of public agencies with responsibilities that include in part or primarily flood control, system maintenance, and improvem...

i08 GroundwaterDepthSeasonal Contours

Published by: California Department of Water Resources
Last updated: Monday, October 13, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset depicts contours of estimated change in groundwater piezometric surfaces in the unconfined or uppermost semi-confined aquifers, between t...