Last night's heavy rain has caused sewer overflows from two local outfall pipes. Water officials are now warning people to avoid a couple of local waterways.
One of the pipes is located on the Willamette River just south of the St. Johns Bridge. The other one is on the Columbia Slough near the Smith and Bybee Wetlands. The Portland Water reports that the Willamette River tunnels did not overflow last night.
The warning is in effect today and Monday.
Sewage overflow happens when storm water runoff fills the combined sewer system to capacity.
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