Frequently Asked Questions

Why is Tualatin Valley Water District (TVWD) seeking a new water source?

TVWD has enough water for today—but needs to take steps today so there will be enough water to meet future demands for people and jobs. The District’s portfolio of drinking water sources already includes the Tualatin/Trask watersheds, water purchased from Portland’s Bull Run supply, and an aquifer storage and recovery (ASR) well. All of these supplies will continue to supply water for the foreseeable future, but projections show the District’s population will increase by 82,000 people by 2042.

Why is Hillsboro seeking a new water source? 

The City of Hillsboro is looking ahead to secure an additional safe and reliable source of drinking water for the City’s future. The Tualatin watershed will continue to be Hillsboro’s primary water source, but in the next 25-50 years the City anticipates the need for twice the amount of water currently available.

Additional FAQ resources

Our Reliable Water

Program Timeline

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

Willamette Water Supply Program

Willamette Water Supply Program