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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 ...
Yahoo

Big Pipe overflows into Willamette River with human waste, stormwater

PORTLAND, Ore. (KOIN) – The Willamette River is under a sewer overflow advisory after heavy rain pushed Portland's Big Pipe to capacity on Thursday. The Combined Sewer Overflow (CSO) advisory impacts ...
KGW

Portland's Big Pipe hit 100% capacity, causing sewer overflow to the Willamette River

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 ...