For officials in Portland, Ore., the Big Pipe project is no longer a dream. The recently completed $1.4-billion, 20-year combined sewer overflow (CSO) control program was implemented in response to an ...

Water watchers know: Sometimes, you can’t swim in the Willamette River. That’s because when the wastewater system gets inundated with water, it overflows, sending raw sewage into the river that ...

Portland’s Big Pipe hit 100% capacity Thursday after heavy rains, triggering a combined sewer overflow advisory that remains in effect for the Willamette River. The overflow began about 4:20 p.m.

PORTLAND, Ore. (KOIN) – As a strong atmospheric river makes its way through the Pacific Northwest, residents have braced themselves for flooding, downed trees, and power outages. Now add sewage to the ...

PORTLAND, Ore. — Portland issued a combined sewer overflow (CSO) advisory for the Willamette River Tuesday as the city's Big Pipe system hit 100% capacity. Although the city's Big Pipes have led to a ...

For decades, Portland lived with a dirty little secret. The eco-friendly city, so proud of its bike paths and recycling bins, was a seething vortex of water pollution. With every storm, the antique ...

PORTLAND, Ore. — A combined sewer overflow advisory is in place for the Willamette River after Portland's Big Pipe hit 100% capacity on Thursday. Portland's online Big Pipe tracker showed that the ...