Water main replacement projects are important to maintain water quality and uninterrupted service. Check to see if your neighborhood is affected--view planned projects, statuses, and other related information here.
Every year, from April to October, the Portland Water District deploys crews to clean the interior of water mains. View maps of weekly flushing schedules here.
Cross connections that can allow substances to backflow into the public water supply are some of the most significant threats to public health in the water supply industry.