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The City of Portland, Oregon

Environmental Services

working for clean rivers

Phone: 503-823-7740

Fax: 503-823-6995

1120 SW 5th Ave, Suite 613, Portland, OR 97204

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Sewage release to the Columbia Slough

Sanitary Sewage Overflow Advisory

December 7, 2015

A malfunctioning valve caused a sewage release this afternoon from the Inverness Pump Station at 12008 NE Inverness Drive. Maintenance crews discovered the release at about 12:44 p.m. today and shut down the pump station to stop the release and make repairs.

Some sewage spilled onto NE Inverness Drive just west of NE 122nd Avenue and flowed into the adjacent north arm of the upper Columbia Slough. Maintenance crews were not able to estimate how much sewage reached the slough.

People should avoid contact with the slough around NE 122nd Avenue through tomorrow afternoon because of increased bacteria in the water.

For more information contact Linc Mann, 503-823-5328.

The Bureau of Environmental Services works with Portland residents and businesses to protect water quality, public health, and the environment through wastewater collection and treatment, sewer construction and maintenance, stormwater management, and stream and watershed restoration.