Date: 2009-08-20 17:05:23

Water pollution

Environmental engineering

Aquatic ecology

Hydraulic engineering

Sewerage

Willamette River

Combined sewer

Portland

Oregon

Wastewater

Allegheny County Sanitary Authority

Fact Sheet Is it Safe to Swim in the Willamette River in Portland? DEQ monitors bacteria The Willamette River in Portland is safe for swimming and other recreational uses at most

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