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688 datasets

i08 CriticallyOverdraftedBasins

Published by: California Department of Water Resources
Last updated: Friday, May 15, 2026
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...

Well Completion Reports

Published by: California Department of Water Resources
Last updated: Friday, May 15, 2026
File types: CSV, XLSX

This Well Completion Report dataset represents an index of records from the California Department of Water Resources' (DWR) Online System for Well Com...

i12 Delta Hydrology

Published by: California Department of Water Resources
Last updated: Friday, May 15, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This point dataset represents the location of gaging stations in the Sacramento-San Joaquin Delta and Suisun Marsh that have historic and statistical ...

i04 CIMIS Weather Stations

Published by: California Department of Water Resources
Last updated: Friday, May 15, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The California Irrigation Management Information System (CIMIS) currently manages over 145 active weather stations throughout the state. Archived data...

Region Land Use Surveys

Published by: California Department of Water Resources
Last updated: Friday, May 15, 2026
File types: ZIP, SHP

This is collection of DWR Region Land Use Surveys. These include several county land use surveys, In addition, you may scroll the list below to down...

i08 C2VSimFG Small Watersheds

Published by: California Department of Water Resources
Last updated: Friday, May 15, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The small watersheds are the minor unguaged rim watersheds that provides the additional surface water inflow into the stream network and subsurface in...

Quarterly Fishery Surveys - Salton Sea [ds428]

Published by: California Department of Fish and Wildlife
Last updated: Friday, May 15, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

In the spring of 2003, California Department of Fish and Game (CDFG) personnel began quarterly sampling of Salton Sea fish at fourteen stations around...

i15 Cadastral Map Index DWR

Published by: California Department of Water Resources
Last updated: Thursday, May 14, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset represents the cadastral maps created by the Geomatics branch in support of real property acquisitions within the Department of Water Res...

i08 B118 CA GroundwaterBasins

Published by: California Department of Water Resources
Last updated: Friday, May 15, 2026
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...

Airborne electromagnetic (AEM) Pilot Studies

Published by: California Department of Water Resources
Last updated: Friday, May 15, 2026
File types: PDF, ZIP

Airborne electromagnetic (AEM) geophysical data were collected in California as a part of AEM pilot studies. The purpose of the AEM pilot studies was ...