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382 datasets

i15 Parcels CVFPB

Published by: California Department of Water Resources
Last updated: Saturday, April 25, 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 Sacramento & San Joaquin Drainage District of the State of C...

i15 Parcels SWP

Published by: California Department of Water Resources
Last updated: Saturday, April 25, 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...

i03 Adjudicated Areas

Published by: California Department of Water Resources
Last updated: Saturday, April 25, 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...

Suction Dredge Special Regulations - 2020 [ds788]

Published by: California Department of Fish and Wildlife
Last updated: Saturday, April 25, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset was created as published December 8, 2020, as an aid to CDFW, the State Water Resources Control Board, and the public following the enact...

CA Congress Districts and Membership 2024-2026

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

The 119th Congressional Districts dataset reflects boundaries from January 03, 2025 from the United States Census Bureau (USCB), and the attributes ar...

i03 Delta PrimarySecondary Zones

Published by: California Department of Water Resources
Last updated: Saturday, April 25, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Delta Primary Zone Boundary The history of the primary zone boundary is as follows: the Primary Zone was defined in the 1992 Delta Flood Protection Ac...

California's Groundwater (Bulletin 118)

Published by: California Department of Water Resources
Last updated: Saturday, April 25, 2026
File types: PDF

California’s Groundwater (Bulletin 118) is the State’s official publication on the occurrence and nature of groundwater in California. The latest vers...

Caltrans Districts

Published by: Caltrans
Last updated: Saturday, April 25, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The District boundary definitions are primarily based on the California county boundaries. The Board of Equalization (BOE) County and City Boundary we...

2020 Adjusted Urban Area

Published by: Caltrans
Last updated: Saturday, April 25, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Caltrans is responsible for the decennial production of the Adjusted Urban Area Boundaries for the State of California. The CA 2020 adjusted urban are...

Offshore Oil Leases

Published by: California State Lands Commission
Last updated: Friday, April 24, 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....