Willamette Water Supply System Commission

The Willamette Water Supply System (WWSS) Commission is responsible to oversee the design, permitting, funding, construction, ownership, operation, management, repair and replacement, and, as reasonable, providing information to the WWSS Partners in support of their procuring financing for the WWSS in order to supply potable water to TVWD, Hillsboro, Beaverton and, potentially, other municipal water providers.

The WWSS Commission is a partnership formed under ORS Chapter 190 between the following parties: Tualatin Valley Water District and the cities of Hillsboro and Beaverton.

Next Board Meeting: August 6, 2026

2026 WWSS Board Meetings

2027 WWSS Board Meetings