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3578 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: Wednesday, April 1, 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 ...

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...

i08 C2VSimFG Stream Nodes

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

The stream network simulated in C2VSimFG consists of 4,634 stream nodes that make up 110 stream reaches. The stream nodes correspond to groundwater no...

i08 C2VSimFG Stream Reaches

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

The stream reaches represent sections of simulated streams where similar hydrologic conditions exist. The stream network simulated in C2VSimFG consist...

Stream Habitat Reach Summary - Russian River [ds77]

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

Results of in-stream habitat surveys (Downie et al 1998 method), summarized by stream reach, for DFG surveys conducted between 1994 and 2001 (inclusiv...

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...

i08 C2VSimFG StreamNodes WithBudgets

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

The stream network simulated in C2VSimFG consists of 4,634 stream nodes that make up 110 stream reaches. The stream nodes correspond to groundwater no...

Chemicals in Cosmetics

Published by: California Department of Public Health
Last updated: Wednesday, April 1, 2026
File types: CSV, XLSX, PDF, ZIP

These data reflect information that has been reported to the California Safe Cosmetics Program (CSCP) in the California Department of Public Health (C...