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219 datasets

Groundwater Basin Boundary Descriptions - Central Coast Region (3-XXX Basins)

Published by: California Department of Water Resources
Last updated: Saturday, April 18, 2026
File types: PDF

This dataset includes the official groundwater basin boundary descriptions for California's 515 groundwater basins. To make locating descriptions easi...

Administrative Maps

Published by: California State Lands Commission
Last updated: Friday, April 17, 2026
File types: HTML

The California State Lands Commission (CSLC) was created by the California Legislature in 1938 and given the authority and responsibility to manage ce...

DSM2 Input 2025-09-18 historical update

Published by: California Department of Water Resources
Last updated: Saturday, April 18, 2026
File types: ZIP, HTML

Version "DSM2 Input 2025-09-18 historical update" is based on version "DSM2 Input 2025-07-03 historical update", and includes the following changes: ...

Salmonid Population Monitoring Areas - California - CMP [ds3001] Extended Table

Published by: California Department of Fish and Wildlife
Last updated: Saturday, April 18, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The California Monitoring Plan (CMP) salmonid monitoring areas and associated population data are part of an ongoing effort to summarize existing and ...

California Native Fish Species by Watershed [ds1353] Extended Table

Published by: California Department of Fish and Wildlife
Last updated: Saturday, April 18, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset was created using the 123 PISCES extant species range layers listed below in the table. The PISCES datasets were converted to rasters usi...

Polycyclic Aromatic Hydrocarbon Samples - 2011-2024 - OSPR [ds714]

Published by: California Department of Fish and Wildlife
Last updated: Saturday, April 18, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Polycyclic aromatic hydrocarbons (PAHs) are a class of organic compounds found in the environment associated with natural and anthropogenic activities...

i03 Hydrologic Regions

Published by: California Department of Water Resources
Last updated: Saturday, April 18, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Description for i03_DAU_county_cnty2018 is as follows:Detailed Analysis Unit-(DAU) Convergence via County Boundary cnty18_1 for Cal-Fire, (*See metada...

i03 Water Plan Planning Areas

Published by: California Department of Water Resources
Last updated: Saturday, April 18, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Description for i03_DAU_county_cnty2018 is as follows:Detailed Analysis Unit-(DAU) Convergence via County Boundary cnty18_1 for Cal-Fire, (*See metada...

CA State Lands Commission Leases

Published by: California State Lands Commission
Last updated: Friday, April 17, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

The California State Lands Commission (CSLC) may issue leases or permits on state lands under its jurisdiction. Additional information regarding CSLC ...

i03 dwr region offices

Published by: California Department of Water Resources
Last updated: Saturday, April 18, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Description for i03_DAU_county_cnty2018 is as follows:Detailed Analysis Unit-(DAU) Convergence via County Boundary cnty18_1 for Cal-Fire, (*See metada...