The NOAA Critical Habitat and Distribution data are available for download directly from the NOAA Fisheries website. These data include presence (distribution) as well as habitat type and quality statewide for Chinook and Steelhead.  The data for each species are divided by Evolutionary Significant Unit (ESU).  Metadata are available on the NOAA Fisheries Website for each species and each ESU.

To download the data and to read complete metadata for each layer, please visit:

To read more about the project and to obtain additional information, please visit:

Salmon Population Summary

If you have futher questions about this dataset, please contact:
Charleen Gavette - GIS Technician
NOAA Fisheries
(707) 575-6017