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.
The sewer district will test the water off Edgewater Beach in 10 spots twice a day until each of the locations shows acceptable E. coli bacteria levels. Only then will the sewer district change the ...
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