For questions about the Wastewater Treatment Division website, please send an e-mail message or contact us at:

King Street Center
201 S. Jackson St., Suite 500
Seattle, WA 98104-3855
Phone: 206-684-1280
Fax: 206-684-1741
Telecommunication device for the deaf (TTY): 711

Get Directions to our office location in Seattle, Washington.

Staff Contacts

Puget Sound shoreline next to the West Point Treatment Plant, Seattle
Brightwater Treatment System Banner

Project photos

Aerial view of one the outfall pipes with just the end section not yet submerged (September 2008)
Marine outfall
(off of Point Wells)

Transporting segments in the west tunnel
Conveyance facilities
(pipelines and portals)

Solids area digesters with energy building (in the foreground)
Treatment plant

(near Woodinville, WA)

Reclaimed water lines at North Creek Pump Station
Reclaimed water system

Visitors at boardwalk entry to North Mitigation Area
North mitigation area

(north end of treatment plant site)

Environmental Education and Community Center (viewed from the West), December 2010
Environmental education center

(north end of treatment plant site)

Map of the Brightwater project facilities

Map of Brightwater project facilities