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57 datasets

California Streams

Published by: California Department of Fish and Wildlife
Last updated: Thursday, April 2, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Notes: As of June 2020 this dataset has been static for several years. Recent versions of NHD High Res may be more detailed than this dataset for some...

CalSIP Stream Gages

Published by: California Department of Water Resources
Last updated: Thursday, April 2, 2026
File types: ARCGIS GEOSERVICES REST API, CSV

### More information can be found at the CA DWR California Stream Improvement Program webpage at https://water.ca.gov/Work-With-Us/Technical-Assistanc...

Stream Inventory Reports by Watershed - CDFW [ds937]

Published by: California Department of Fish and Wildlife
Last updated: Thursday, April 2, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

In-stream habitat data include measurements of a variety of physical and aquatic stream attributes that collectively reveal a great deal about stream ...

Surface Water - Flow Targets for Southern California Streams

Published by: California State Water Resources Control Board
Last updated: Wednesday, October 23, 2019
File types: CSV, PDF, ARCGIS

Changes to instream flow are known to be one of the major factors that affect the health of biological communities. Flow alteration can degrade physic...

Stream Habitat Reach Summary - South Coast [ds768]

Published by: California Department of Fish and Wildlife
Last updated: Thursday, April 2, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset contains in-stream salmonid habitat data summarized at the reach level. The data have been summarized from habitat unit level data collec...

Fish Passage Priorities - CDFW - 2021 [ds2970]

Published by: California Department of Fish and Wildlife
Last updated: Thursday, April 2, 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 - 2019 [ds2868]

Published by: California Department of Fish and Wildlife
Last updated: Thursday, April 2, 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 ...

Fish Passage Priorities - CDFW - 2018 [ds2817]

Published by: California Department of Fish and Wildlife
Last updated: Thursday, April 2, 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 ...

Fish Passage Priorities - CDFW - 2017 [ds2806]

Published by: California Department of Fish and Wildlife
Last updated: Thursday, April 2, 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 ...

Fish Passage Priorities - CDFW - 2023 [ds3137]

Published by: California Department of Fish and Wildlife
Last updated: Thursday, April 2, 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...