Use our web map tool to locate various sanitary and storm sewer features such as main lines and maintenance holes (or manholes). Additional information can be accessed by left clicking on a mapped feature. Tools for tasks such as searching for an address or printing a paper copy are located along the top of the map. Cities should be contacted directly for detailed system information as indicated on the map.
Planning a project in Washington County? We’re here to help! Contact us at 503.681.5100 or request a Predesign Meeting.