(KOIN) — A combined sewer overflow advisory is in effect for the Willamette River following ... affects the stretch of the river downstream of the Ross Island Bridge, but officials said that ...
Just about every summer in recent years, a stretch of the Willamette River south of downtown Portland at Ross Island turns green from a thick layer of toxin-producing algae that grows rapidly in ...
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Portlanders plunge into Willamette River to celebrate 1 year without sewage overflowsHuman Access Project, an advocacy group formed to promote a safer Willamette River, hosted the swim to ... mitigate the algae blooms in the Ross Island Lagoon, a cause also supported by Human ...
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