Oregonian

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

Heavy rains trigger sewer overflow advisory as Portland’s Big Pipe hits capacity

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.
KGW8

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 ...