Crews respond to two separate sewer overflows in Lake Oswego - KPTV - FOX 12

Crews respond to two separate sewer overflows in Lake Oswego

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The Lake Oswego public works department responded to two sewer overflows Wednesday morning.

The first overflow was reported at 1305 Green Tree Road and Weidman Court at 7:35 a.m. It was contained by 8:12 a.m. The total release is estimated at 3,700 gallons and the cause is under investigation.

The second overflow happened at 16510 Old River Road at 9:14 a.m. and was caused by a power outage at the Marylhurst Sanitary Sewer Pump Station.

City crews brought in a generator and power was restored at 11:10 a.m. The size of that spill was estimated to be 24,800 gallons.

The two incidents were unrelated, according to the city of Lake Oswego.

As a result of the overflows, some wastewater may have entered Oswego Lake and the Willamette River. As a precaution, people were advised to avoid contact with the water in the lake and downstream water in the river for the next 72 hours.

The City is coordinating remediation efforts with the Department of Environmental Quality.

On Tuesday, heavy rains caused an overflow from Portland's combined sewer system into the Willamette River near the Morrison Bridge in downtown Portland.

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