Location: Woodinville, WA
Size: 120-acres
Architect: CH2M Hill / B&C / Mithun
Client: King County
Cost: $320,000,000

Brightwater Treatment Plant serves portions of King and Snohomish counties and supports the mission of protecting public health and the environment. It is the largest application of membrane technology in the world, and has the capacity to treat an average of 33 million gallons per day, with room for future expansion. Hoffman also built nature trails and a LEED Platinum environmental education center on the site.