Portland spent well over a billion dollars on the Big Pipe. It helped a lot but there are still sewer overflows a few times a year. Better than after every rain

Portland spent well over a billion dollars on the Big Pipe. It helped a lot but there are still sewer overflows a few times a year. Better than after every rain in a city that gets 9 months of rain a year. https://en.wikipedia.org/wiki/East_Side_Big_Pipe https://en.wikipedia.org/wiki/East_Side_Big_Pipe