Dugualla Bay

Fox Pl
Oak Harbor, WA 98277

Dugualla Bay is located on the northeast side of Whidbey Island within the western portion of Skagit Bay. Upstream of the bay, Dugualla Lake was historically a large estuary and salt marsh system that was connected to Dugualla Bay. To create agricultural land, a dike and tide gate system was constructed at the inlet to Dugualla Lake around 1918. This eliminated tidal inundation into the lake and changed Dugualla Lake into a freshwater lake and marsh.

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