Instream Flow

Lower Skagit River Instream Flow Studies, Skagit County PUD no. 1 and City of Anacortes, Washington. 

DTA staff conducted an instream flow study of the lower Skagit River focusing on the habitat, hydrologic and instream flow needs of anadromous salmonids. US Fish and Wildlife Service Instream Flow Incremental Method was used for the mainstem and special Estuary Study was developed for the stream/sound influence zone. Instream flow recommendations were made and an instream flow was set the first in stream flow to be set by Washington Department of Ecology by rule.


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