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332 datasets

Fish Passage Priorities - CDFW - 2021 [ds2970]

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

Man-made barriers to salmonid migration include road/stream crossings, irrigation diversions and dams. Road/stream crossings are extremely numerous an...

Fish Passage Priorities - CDFW - 2012 [ds812]

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

Man-made barriers to salmonid migration include road /stream crossings, irrigation diversions and dams. Road /stream crossings are extremely numerous ...

Vegetation - Mendocino Cypress and Related Vegetation [ds2805]

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

The Mendocino Pygmy Forest is one of the best-known examples of a rare natural community in California. The unique soil and climatic attributes and th...

Winter Steelhead Range [ds699]

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

June 2012 Version Data Content: This data set contains all CalWater 2.2.1 Planning Watersheds (PWS) where CDFW has documented winter run steelhead to ...

Summer Steelhead Range [ds698]

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

October 2009 Version Data Content: This data set contains all CalWater 2.2.1 Planning Watersheds (PWS) where CDFW has documented summer run steelhead ...

Clifton Court Forebay Predation Study - Avian Behavior

  • Published by: California Department of Water Resources
  • Last updated: Monday, May 18, 2026
  • File types: CSV

This dataset is part of the Clifton Court Forebay Predation Study, a multi-year effort led by the California Department of Water Resources to understa...

Vegetation - Proposed Tehachapi Pass High Speed Rail Corridor [ds1328]

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

The Geographical Information Center (GIC) at California State University, Chico, completed a vegetation map of the Proposed Tehachapi Pass High-Speed ...

Warner Mountains Aerial Photos - 1994 [ds53]

  • Published by: California Department of Fish and Wildlife
  • Last updated: Monday, May 18, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API

This is a layer of aerial photos acquired from the Modoc National Forest with photo dates throughout the summer of 1994, scanned and orthorectified by...

Toxicity Criteria Database

  • Published by: California Office of Environmental Health Hazard Assessment
  • Last updated: Tuesday, December 30, 2025
  • File types: CSV, PDF

Toxicity data for Air (Acute and Chronic Reference Exposure Levels (RELs)), Water (Public Health Goals (PHGs)), Soils (California Human Health Screeni...

Vegetation - Cow Creek - 2013 [ds1345]

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

In 2010, U.S. Fish and Wildlife Service contracted Stillwater Sciences and Aerial Information Systems to create a fine-scale vegetation map of the Cow...