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Take a Virtual Tour of Watersheds

The Cedar River Municipal Watershed is carefully managed to supply clean drinking water to 1.4 million people in the greater Seattle area. The watershed covers 90,638 acres and is owned by the City of Seattle. Enter virtual tour >>

The South Fork Tolt River Watershed is smaller and lesser known than the Cedar River Watershed but still an essential second supply watershed in Seattle Public Utilities’ freshwater supply system. Located in the foothills of the Cascades in east King County, the watershed is 12,500 acres in size (including 8,400 acres of City-owned land). Enter virtual tour >>