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788 datasets

i12 Canals and Aqueducts local

  • Published by: California Department of Water Resources
  • Last updated: Friday, May 22, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Dataset represents centerlines of major water project canals that are managed by local area government agencies or entities. This dataset does not con...

i15 Parcels SWP

  • Published by: California Department of Water Resources
  • Last updated: Friday, May 22, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset is a compilation of ownership rights represented as parcels owned by the State of California, Department of Water Resources. The associat...

i19 Stormwater Resource Plans Polys

  • Published by: California Department of Water Resources
  • Last updated: Friday, May 22, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The feature dataset contains data representing storm water projects planned in the future throughout regions in California that involve groundwater re...

SWAMP Data Dashboard

  • Published by: California State Water Resources Control Board
  • Last updated: Wednesday, May 20, 2026
  • File types: PDF, CSV

This dataset supports the [SWAMP Data Dashboard](https://gispublic.waterboards.ca.gov/swamp-data/), a public-facing tool developed by the [Surface Wat...

DSM2

  • Published by: California Department of Water Resources
  • Last updated: Friday, May 22, 2026
  • File types: HTML, ZIP, APPLICATION/X-MSDOS-PROGRAM, PDF

DSM2 models, data, and other resources. The links are in chronological order, with most recent releases at the top. * The Delta Simulation Model I...

i03 Adjudicated Areas

  • Published by: California Department of Water Resources
  • Last updated: Friday, May 22, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Adjudication is a form of groundwater management in California through the courts. When groundwater resources do not meet water demands in an area, la...

National Hydrography Data - NHD and 3DHP

  • Published by: California Department of Water Resources
  • Last updated: Friday, May 22, 2026
  • File types: WEBSITE, ARCGIS GEOSERVICES REST API, PDF, ZIP, CSV

The USGS National Hydrography Dataset (NHD) downloadable data collection from The National Map (TNM) is a comprehensive set of digital spatial data th...

i08 GroundwaterLevelChangeSeasonal Contours

  • Published by: California Department of Water Resources
  • Last updated: Friday, May 22, 2026
  • 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...

i15 SWP Monuments

  • Published by: California Department of Water Resources
  • Last updated: Friday, May 22, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset is a compilation of survey monuments as points used by the State of California, Department of Water Resources. The associated data is con...

i08 GroundwaterElevationSeasonal Points

  • Published by: California Department of Water Resources
  • Last updated: Friday, May 22, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset depicts groundwater level (expressed as elevation) at selected monitoring locations (wells), by season and year. Other information on the...