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Portland’s Big Pipe is full again. Here’s how the system works

Portland’s Big Pipe hit 100% capacity at about 6:26 a.m. Thursday. That does not mean the system failed. It means the city’s giant underground overflow tunnels filled up during heavy rain, leaving no ...
Oregonian

Where and what is Portland’s ‘Big Pipe’? (graphics and photos)

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 ...
katu

Portland's Big Pipe system reaches 100% capacity, leads to combined sewer overflow

Knowledge Sims was last seen on Tuesday around 7:30 p.m. near Murray and Scholls Ferry Road. Community voices concern over Portland Public Schools 'rightsizing' District officials say the effort is ...
katu

First overflow of the year as Big Pipe system reaches capacity amid weekend downpour

PORTLAND, Ore. (KATU) — Heavy rains over the weekend caused a rare combined sewer overflow (CSO) into the Willamette River as the Big Pipe system reached capacity around 2:30 p.m. on Sunday, Feb. 23.
Willamette Week

2011: The Big Pipe

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 ...