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 ...

A combined sewer overflow is occurring, and a mix of sewage and storm water is dumping into the Willamette River.

PORTLAND, Ore. — When a city the size of Portland gets soaked with rain like it has for the past week, there's a concern that often lurks under the surface of the flooding and slide risks: sewage. The ...