The Tualatin Valley Water District (TVWD) service area includes the Metzger area, which the previous PLE alignment would not serve. The PLE alignment was selected to serve the main TVWD service area. Completing the original PLE alignment would necessitate completing a separate TVWD project to serve Metzger. The new Metzger Pipeline East (MPE) alignment will meet TVWD’s needs for both areas with just one construction project. The project merges the already planned construction by TVWD into ongoing plans for the WWSS. Since this is a TVWD facility, Hillsboro's and Beaverton’s WWSS costs will remain unchanged. The approach optimizes and maximizes operations through more efficiently utilizing existing TVWD facilities and infrastructure. This single pipeline approach is more cost effective than two separate pipeline projects, reduces environmental impacts, and minimizes impacts to the public.

TVWD planned a separate pipeline to serve Metzger but that wasn’t scheduled for construction until several years after WWSP’s completion in 2026. As part of its operations planning, TVWD updated its modeling for WWSP coming online and determined an opportunity existed to improve operations by moving one of the connection points for water distribution to be closer to the Metzger service area and began exploring the feasibility of combining the Metzger pipeline with the planned WWSP projects.

Metzger is isolated from the rest of the TVWD service area and is currently supplied water from a Portland Water Bureau connection. This connection will be replaced with a WWSS connection. The WWSS is being designed and constructed to withstand the impacts of a large earthquake or other natural disaster so that water service can be restored quickly, and so the community can recover sooner.

Thoughtful design, detailed construction planning, and appropriate construction techniques will be used to:

• Minimize environmental impacts
• Reduce impacts to busy intersections by taking advantage of opportunities to construct work during non-peak traffic
• Identify areas where nighttime construction might be appropriate
• Utilize the best methods to preserve access for businesses and maintain operations during construction
• Coordinate with surrounding businesses, schools, and neighborhoods to educate the community about detours, access, and safety

The project includes a new City of Beaverton 16-inch pipeline that improves system resiliency across a portion of Beaverton combined with needed roadway and pedestrian improvements on Western Avenue.