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PROTECTING WATER QUALITY-SOURCE TO TAP

Safe drinking water is our top priority. Your drinking water will be monitored and protected, from source to tap.

DESIGN &
CONSTRUCTION

Design and construction of the Willamette Water Supply Program project is currently underway!

7 Things to Know

...about the Willamtte Water Supply Program.

In the News

Massive Washington County water supply project moves forward

September 30, 2023

One of the largest public works projects in Oregon history is happening all across Washington County. When it is completed in 2026, the Willamette Water Supply Program will provide a new source of water to Tualatin Valley Water District, Hillsboro and Beaverton. The $1.6 billion project is also designed to withstand the Cascadia Subduction Zone…

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Willamette Water Supply Program changes pipeline installation schedule

April 21, 2023

Following an especially rainy spring, the Willamette Water Supply Program has changed the construction schedule for installation of an underground water pipeline through Wilsonville. With the end goal of building an underground pipeline from Southwest Wilsonville Road to Southwest Garden Acres Road, construction began on Southwest Kinsman Road in February, but crews were met with…

Tunneling under Tualatin River to begin for water supply pipeline

January 27, 2023

You could call it the most “boring” part of installing a more than 30-mile water pipeline from an intake facility in Wilsonville to its final destination in Hillsboro. But it’s also the most ambitious — and technically challenging — for the Willamette Water Supply Program. This week, crews from Ward & Burke Tunneling Ltd. are…

Improvements to Roy Rogers, Tualatin-Sherwood roads underway

July 27, 2022

The scope of the work on Roy Rogers Road includes a 66-inch drinking water pipeline that is being installed in conjunction with road improvements. The overall pipeline project calls for the construction of an intake line that originates on the Willamette River in Wilsonville. Read more in TheTimes

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Construction of water treatment plant to begin soon

February 14, 2022

The Willamette Water Supply Program is gearing up for construction of a water treatment plant designed to handle a maximum of 120 million gallons of water per day once it’s operational. The facility, which will be built off Southwest 124th Avenue in Sherwood, will be designed to treat Willamette River water pumped from Wilsonville, going…

Next phase of water pipeline construction in Wilsonville begins in February

December 30, 2021

The next phase of the Willamette Water Supply Program’s work to build a pipeline from Wilsonville to Hillsboro — which will allow a number of cities to use the Willamette River as a water source — includes construction on a few Wilsonville thoroughfares. Read the article in the Wilsonville Spokesman

Pipeline construction begins for Willamette Water Supply Program

December 7, 2021

Over the next couple of weeks, crews will tunnel beneath Highway 217 and Southwest Scholls Ferry Road. Anyone driving along Highway 217 at Scholls Ferry Road will probably notice some increased construction activity as crews begin work on a new pipeline for the Willamette Water Supply Program project. COURTESY MAP: WILLAMETTE WATER SUPPLY PROGRAM –…

Willamette Water Supply Project on track for 2026 completion

October 1, 2021

When completed, the new system will provide drinking water to thousands of people in Washington County. WILSONVILLE, Ore. (KOIN) — In Wilsonville, the fall rains aren’t slowing down the work on the Willamette Water Supply Project. Construction crews are driving equipment through mud, digging trenches and laying massive pipes. “About 25% of the 30 miles of…

Tualatin-Sherwood, Roy Rogers roads projects begin

August 11, 2021

Road improvements, along with the installation of a 66-inch water pipeline, are planned. Long-anticipated roadway improvements to Southwest Tualatin-Sherwood and Roy Rogers roads will begin in Sherwood on Aug. 16. The Tualatin-Sherwood Road/Roy Rogers Road intersection with Highway 99W has a lot of traffic, especially during commute times and is expected to have more traffic…

Headway made on Wilsonville water treatment projects

June 10, 2021

Regional program constructs pipe through Arrowhead Creek Park,city to expand plant. In terms of completing improvements at Wilsonville’s WillametteRiver Water Treatment Plant, the next calendar year could be themost active yet. Click here to read more.

SEE MORE NEWS

PROGRAM TIMELINE

Developing the new Willamette water source will take over a decade.

2012-2013

Supply Studies
(Ongoing water conservation programs)

2014-2016

Preliminary Planning
(Ongoing water conservation programs)

2016-2025

Design, Permitting and Construction
Pipeline construction coordinated with road improvements
(Ongoing water conservation programs)

2026-Ongoing

Willamette Water Supply System Online
(Ongoing water conservation programs)

The Willamette Water Supply Program is committed to making our program information accessible to everyone. For questions, assistance or accommodations, please contact us at 503-941-4570 or info@ourreliablewater.org.