Intensively Monitored Watersheds Homepage Select a watershed complex from the list below: Hood Canal Watersheds Strait of Juan de Fuca Watersheds Lower Columbia Watersheds Other Monitoring Efforts Wild Salmon Population Monitoring Skagit River System Cooperative

West Twin River Watershed Click map for enlargement West Twin River EMAP and Stream Flow Gauges Stream habitat attributes are measured annually using a modification of the US EPA Environmental Monitoring and Assessment (EMAP) wadeable stream survey protocol.