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2018 Year-in-Review: Hillsboro's Additional Water Source
To serve our growing community for the next 50 years, the City of Hillsboro – in partnership with the Tualatin Valley District - is developing the mid-Willamette River at Wilsonville to be the City’s additional water source.
The upper-Tualatin River will continue to be Hillsboro’s primary water source, but in the next 25 to 50 years, the City anticipates the demand for approximately twice the amount of water currently available.
Design and construction of the new Willamette Water Supply System (WWSS) is underway, and includes building:
- A modified water intake on the Willamette River at Wilsonville.
- A state-of-the-art water filtration facility in Tualatin/Sherwood.
- Water supply tanks in Beaverton.
- More than 30 miles of large-diameter transmission water pipeline traveling north from Wilsonville, through Beaverton, and into Hillsboro.
The entire WWSS system is being built to modern seismic standards and designed to withstand the impacts of a large earthquake or other natural disaster so that service can be quickly restored after a catastrophic event.
2018 proved to be a year of progress for WWSS with two projects completed, four projects under construction, 14 projects under design, and significant funding approved. In addition, multiple studies, real estate acquisitions, and community events were conducted throughout the year.
Below is an overview of major accomplishments in 2018:
- Completed construction of Kinsman Road Partnership Project and South Hillsboro Area Pipeline (Phase 1)
- Completed pipe installation on 124th Avenue Partnership Project
- Received approval of Federal permit application
- Advanced design on 14 pipelines
- Began design on Raw Water Facilities (RWF) Expansion, Willamette Water Supply System Water Treatment Plant (WTP), and Distributed Controls System
- Began construction on Scholls Area Pipeline (Phase 1)
- Continued community outreach through open houses, booths at community activities, and business outreach events
When complete and put into operation in 2026, the WWSS will supply water to more than 350,000 Washington County residents and some of the state’s largest employers for the next 100 years. For additional information, call 503-941-4570 or visit www.OurReliableWater.org.