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Search California Department of Water Resources datasets

464 datasets

DWR Technical Support Services (TSS)

  • Published by: California Department of Water Resources
  • Last updated: Friday, May 30, 2025
  • File types: CSV, BIN

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

i08 GeologicUnits SacramentoValley

  • Published by: California Department of Water Resources
  • Last updated: Friday, May 30, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This data set is a series of polygons denoting the geologic units mapped in USGS Publication MF-1790, "Geologic Map of the Late Cenozoic Deposits of t...

i08 GeologicStructures SacramentoValley

  • Published by: California Department of Water Resources
  • Last updated: Friday, May 30, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This data set is a series of polylines denoting the major geologic structures of the Sacramento Valley as mapped in USGS Professional Paper 1359, &quo...

i08 FaultLines SacramentoValley

  • Published by: California Department of Water Resources
  • Last updated: Friday, May 30, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This data set is a series of polylines denoting fault lines mapped in USGS Publication MF-1790, "Geologic Map of the Late Cenozoic Deposits of the Sac...

i08 FaultCrossings SWP ObservationPoints

  • Published by: California Department of Water Resources
  • Last updated: Friday, May 30, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Fault Descriptions of locations crossing the California Aqueduct, Coastal Branch, North Bay Aqueduct, and South Bay Aqueduct. Taken from "State Water ...

i08 GroundwaterDepthSeasonal Contours

  • Published by: California Department of Water Resources
  • Last updated: Friday, May 30, 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...

i08 FaultCrossings StateWaterProject

  • Published by: California Department of Water Resources
  • Last updated: Friday, May 30, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Approximate locations of faults crossing the California Aqueduct, Coastal Branch, North Bay Aqueduct, and South Bay Aqueduct. Taken from "State Water ...

i08 GroundwaterDepthSeasonal Points

  • Published by: California Department of Water Resources
  • Last updated: Friday, May 30, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset depicts groundwater level (expressed as depth below ground surface) at selected monitoring locations (wells), by season and year. Other i...

i08 Delta InChannel Islands

  • Published by: California Department of Water Resources
  • Last updated: Friday, May 30, 2025
  • 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...

i08 CriticallyOverdraftedBasins

  • Published by: California Department of Water Resources
  • Last updated: Friday, May 30, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The dataset is a feature class showing the boundaries of 515 groundwater basins and subbasins as defined by the California Department of Water Resourc...