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151 datasets

California Overlapping Cities and Counties and Identifiers with Coastal Buffers

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

WARNING: This is a pre-release dataset and its fields names and data structures are subject to change. It should be considered pre-release until the e...

Interagency Ecological Program: Zooplankton catch and water quality data from the Sacramento River floodplain and tidal slough, collected by the Yolo Bypass Fish Monitoring Program, 1998-2018.

Published by: California Department of Water Resources
Last updated: Friday, May 1, 2026
File types:

Largely supported by the Interagency Ecological Program (IEP), the California Department of Water Resources (DWR) has operated a fisheries and inverte...

CDFW Regions

Published by: California Department of Fish and Wildlife
Last updated: Friday, May 1, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This layer represents the California Department of Fish and Wildlife (CDFW) Region boundaries. CDFW has seven geographically-defined administrative re...

i17 Levee Centerlines SuisunMarsh

Published by: California Department of Water Resources
Last updated: Thursday, April 30, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Center lines of the Suisun Marsh levee systems. This dataset is a combination of different Suisun Marsh levee datasets that were edited to be accurate...

Interagency Ecological Program: Fish catch and water quality data from the Sacramento River floodplain and tidal slough, collected by the Yolo Bypass Fish Monitoring Program, 1998-2023.

Published by: California Department of Water Resources
Last updated: Friday, May 1, 2026
File types:

Largely supported by the Interagency Ecological Program (IEP), California Department of Water Resources (DWR) has operated a fish monitoring program i...

i08 C2VSimFG Subregions

Published by: California Department of Water Resources
Last updated: Friday, May 1, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The C2VSimFG model elements are grouped into 21 subregions to facilitate data entry and reporting of model results. The subregion can be further group...

Vegetation - Liberty Island - 2012 [ds821]

Published by: California Department of Fish and Wildlife
Last updated: Friday, May 1, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This map was digitized using 2010 true-color 1-meter National Agriculture Imagery Program (NAIP) aerial imagery. The minimum mapping unit is 0.25 acre...

Estimated Inundation Periods in the Yolo Bypass, 1998 – 2022

Published by: California Department of Water Resources
Last updated: Friday, May 1, 2026
File types:

Largely supported by the Interagency Ecological Program (IEP), California Department of Water Resources (DWR) has operated a fish monitoring program i...

DSM2 Input 2025-07-03 historical update

Published by: California Department of Water Resources
Last updated: Thursday, April 30, 2026
File types: ZIP

DSM2 Version "DSM2 Input 2025-07-03 historical update" is based on "DSM2 Input 2025-05-28", and includes the following improvements: * Corrections ...

Interagency Ecological Program: Drift invertebrate catch and water quality from the Sacramento River channel, and Sacramento River floodplain and tidal slough, collected by the Yolo Bypass Fish Monitoring Program, 1998-2019

Published by: California Department of Water Resources
Last updated: Friday, May 1, 2026
File types:

Largely supported by the Interagency Ecological Program (IEP), the California Department of Water Resources (DWR) has operated a fisheries and inverte...