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Local dignitaries and community members joined King County Executive Dow Constantine on Saturday, Sept. 24th to celebrate an extraordinary regional investment in clean water with the start of Brightwater Treatment Plant operations. After more than a decade of planning and construction, local dignitaries and community members joined King County Executive Dow Constantine on Saturday, Sept. 24th to celebrate an extraordinary regional investment in clean water with the start of Brightwater Treatment Plant operations.
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Highlights

  • Live music with Pacific Cascade Big Band, Garfield Jazz Band and Seattle Youth Symphony
  • Official “flipping on the switch”
  • Activities just for kids
  • Performance artists and book readings
  • Tours of the plant, the art, the habitat and the Center
  • Blessing of the water–Tulalip and Suquamish Tribes
  • Community Resources Expo with dozens of exhibits and garden clinic

Downloads

Media kit

Fact sheets

Graphics

Brightwater Treatment Plant Site Plan
Site plan of treatment plant

Aerial photo of the Brightwater Treatment Plant, April 2011
Aerial photo of treatment plant

(April 2011)

 Brightwater Treatment Plant service area
Brightwater Treatment Plant
service area

Brightwater System
Brightwater System map
- 11 x 17 inches

Existing and future King County Wastewater Treatment System (with Brightwater)
Existing and future King County wastewater treatment system

Four tunnel boring machines that built Brightwater
Four tunnel boring machines that built Brightwater

 Brightwater System Overall Hydraulic Profile
Brightwater System overall hydraulic profile