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Sundt Awarded Willamette Water Treatment Plant

SHERWOOD, OR — Sundt Construction recently was awarded a construction manager at-risk contract for the $405-million Willamette Water Supply System Water Treatment Plant (WTP) in the City of Sherwood. The Willamette Water Supply System is a partnership between the Tualatin Valley Water District and the Cities of Hillsboro and Beaverton to build a new, seismically resilient drinking water supply system delivering water to customers in 2026.

“Sundt is pleased to be selected to bring this critical infrastructure to the communities,” said Mike Neher, Sundt’s Project Manager.  “Our group of skilled builders are nationally ranked in building this kind of infrastructure, which provides safe and reliable drinking water to communities across the country.”

The treatment plant is located near the intersection of SW 124th Avenues and SW Tualatin-Sherwood Road and will be capable of initially treating 60 million gallons per day with the ability for future expansion to 120 million gallons per day.

The treatment plant will sit on 30 acres that will also include roadway improvements, setbacks, and a forested overlook. The site location is ideal due to its naturally stable geology, meaning the plant will have superior seismic resiliency and better able to withstand a catastrophic natural disaster.

Sundt will act as the contractor, directing nearly 70 scopes of work to develop the project. Work will involve several local companies and national vendors, boosting the area’s economy.

Superior Industries
Your local Superior dealer
Westate Machinery Co

The new treatment plant utilizes multiple steps to meet drinking water standards. This includes enhanced coagulation sedimentation, ballasted flocculation, ozonation, ultraviolet light, granulated activated carbon and sand filtration, and chlorine disinfection.

Doosan Infracore Portable Pwr
Your local Bobcat dealer
Pape Material Handling
Doosan Infracore Portable Pwr
Your local Bobcat dealer
Pape Material Handling
Volvo CE
Your local Volvo Construction Equipment dealer
PacWest Machinery