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Search California Department of Water Resources datasets

410 datasets

i17 Levee Centerlines SuisunMarsh

  • Published by: California Department of Water Resources
  • Last updated: Thursday, December 18, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Center lines of the Suisun Marsh levee systems. This dataset is a combination of different Suisun Marsh levee datasets that were edited to be accurate...

i17 LeveeCenterlineClass 2012

  • Published by: California Department of Water Resources
  • Last updated: Thursday, December 18, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This line feature class represents levee centerlines for 93 Levee Maintenance Agencies/Reclamation Districts in the Sacramento-San Joaquin Delta. The ...

i17 StateWaterProject Centerline

  • Published by: California Department of Water Resources
  • Last updated: Thursday, December 18, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The purpose of this feature class is to delineate an approximate centerline for the State Water Project canals.This dataset is current as of 5/20/2025...

i17 StateWaterProject ConstructionDivisions

  • Published by: California Department of Water Resources
  • Last updated: Thursday, December 18, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This is a line dataset that delineates the extent of State Water Project construction divisions. The locations of the construction divisions were deri...

i17 StateWaterProject Repayment Reaches

  • Published by: California Department of Water Resources
  • Last updated: Thursday, December 18, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This is a line dataset that delineates the extent of State Water Project repayment reaches. The locations of the repayment reaches were derived from D...

i18 Deepwater Ship Channels

  • Published by: California Department of Water Resources
  • Last updated: Thursday, December 18, 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...

i02 Natural Communities Commonly Associated with Groundwater (NCCAG)

  • Published by: California Department of Water Resources
  • Last updated: Thursday, December 18, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API

The Natural Communities Commonly Associated with Groundwater (NCCAG) dataset is a compilation of phreatophytic vegetation, regularly flooded natural w...

i02 NCCAG Wetlands

  • Published by: California Department of Water Resources
  • Last updated: Thursday, December 18, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The Natural Communities Commonly Associated with Groundwater (NCCAG) dataset is a compilation of phreatophytic vegetation, regularly flooded natural w...

i02 NCCAG Vegetation

  • Published by: California Department of Water Resources
  • Last updated: Thursday, December 18, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The Natural Communities Commonly Associated with Groundwater (NCCAG) dataset is a compilation of phreatophytic vegetation, regularly flooded natural w...

Paleo-Dendrochronological "Tree-Ring" Hydroclimatic Reconstructions for Northern and Southern California River Basins

  • Published by: California Department of Water Resources
  • Last updated: Thursday, December 18, 2025
  • File types: PDF, CSV, ZIP

### Background Tree-ring chronologies allow assessment of hydrologic variability over centuries to millennia, gives historic context for assessing re...