Skip to Main Content
City of Lake Oswego


The Wastewater Department operates and maintains 206 miles of collection system with 13 major pump stations and 14 single-family pump stations.  All of these assets eventually flow into the Tryon Creek Wastewater Treatment Plant operated by the City of Portland on Foothills Road.  The Wastewater Department also provides information about rodent control, wastewater odor complaints, lateral service connection verification, response to sewer back-ups and overflows, and missing manhole covers.

Operations Division Wastewater Superintendent:
Wayne Benson, (503) 635-0280