1120 SW 5th Avenue, Room 1000, Portland, OR 97204
Environmental Services is working to reduce inflow and infiltration (I&I) into sanitary sewers in parts of southwest Portland. Sewage can back up into buildings and overflow to streams when rain and groundwater fill sanitary sewers to capacity.
Participating in a project will include, at no cost to property owners:
Participating in a project is voluntary and property owners may decline any work the city proposes on their property.
Information about I&I pilot projects
Construction is complete
Construction begins in September 2014
Work may begin in summer 2015