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749 datasets

Offshore Oil Leases

Published by: California State Lands Commission
Last updated: Friday, June 26, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

The polygons in this layer show the position of Offshore Oil Leases as documented by former State Lands Senior Boundary Determination Officer, Cris N....

Statewide Irrigation Systems Methods Survey

Published by: California Department of Water Resources
Last updated: Sunday, June 28, 2026
File types: XLSM

Beginning in 1991 and approximately every 5 - 10 years an irrigation questionnaire form is distributed by mail and online survey to California growers...

Federally Recognized Tribal Lands

Published by: California Energy Commission
Last updated: Sunday, June 28, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This layer represents the geographic areas 4 below. Category 1-3, census tracts, are in the other layer.In this designation, CalEPA formally designate...

Watershed Boundary Dataset (WBD)

Published by: California Department of Water Resources
Last updated: Sunday, June 28, 2026
File types: FILE GEODATABASE OR SHAPEFILE, ARCGIS GEOSERVICES REST API, WEBSITE, PDF

The Watershed Boundary Dataset (WBD) from USGS' The National Map (TNM) defines the perimeter of drainage areas formed by the terrain and other landsca...

Draft Wind Techno-economic Exclusions for 2026-2027 IRP

Published by: California Energy Commission
Last updated: Sunday, June 28, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The wind techno-economic exclusion layer has been updated for proposed use in the current 2026-2027 IRP cycle. The previous version was developed in 2...

CA Zip Code Boundaries

Published by: California Department of Technology
Last updated: Wednesday, October 1, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

This feature service is derived from the Esri "United States Zip Code Boundaries" layer, queried to only CA data.For the original data see: ...

California Water Rights Water Use Reported

Published by: California State Water Resources Control Board
Last updated: Wednesday, April 1, 2026
File types: XLSX, ZIP, CSV, DOCX, PDF

This list includes detail information for WATER USE as reported annually under each water right as stored in the State Water Resources Control Board...

i12 Delta Hydrology

Published by: California Department of Water Resources
Last updated: Sunday, June 28, 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 ...

Wind Techno-economic Exclusion

Published by: California Energy Commission
Last updated: Sunday, June 28, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

The site suitability criteria included in the techno-economic land use screens are listed below. As this list is an update to previous cycles, tribal ...

Administrative Maps Viewer

Published by: California State Lands Commission
Last updated: Friday, June 26, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

This data was created to depict portions of state-owned Sovereign Lands that are under the jurisdiction of the California State Lands Commission. Data...