Final Piece of Seismically Resilient Pipeline Placed

The Willamette Water Supply Program (WWSP) reached a major milestone in January with the installation of the final section of 66-inch transmission pipeline in Wilsonville. With this last piece in place, the full 30-mile regional pipeline is now complete. This event marks the culmination of years of planning and construction for the Willamette Water Supply System (WWSS), one of the region’s most significant water infrastructure projects.

Building the WWSP required extensive engineering expertise, careful coordination, and collaboration across multiple communities. Crews worked through complex technical challenges to safely construct and install the pipeline while closely...

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