Case Study
Environmental Due Diligence - Water Supply District
Terraphase, as a subconsultant to David Evans and Associates, provides Phase I ESA and Hazardous Materials Corridor Study Services to the Tualatin Valley Water District and the Cities of Hillsboro and Beaverton along the proposed alignment of the Willamette Water Supply Project (WWSP) pipeline. The pipeline is being designed and permitted to deliver drinking water from the Willamette River