Port of Portland HQ named among the world's greenest

The Port of Portland's new headquarters at the Portland International Airport was one of six U.S. structures recognized as the world's most high-tech green buildings by Forbes.com.

The Port of Portland moved into its new 205,000-square-foot headquarters building in April and received the nod this week from Forbes mainly for its Living Machine water system which reuses wastewater by treating it on site with plants and microorganisms for uses such as toilet flushing, an office cooling tower and a tidal pool-like irrigation system that feeds plants in the lobby.

The water treatment system is not the only notable green feature of the $241 million office building and adjacent parking garage which also boasts an eco-roof garden and a reflective membrane roof, day-lit offices, energy-efficient lighting and a geothermal heating system. Portland's Zimmer Gunsul Frasca Architects designed the building.

But the Living Machine, created by Worrell Water Technologies, is generating the most national interest in part because while many buildings collect and use rainwater, those that treat and reuse wastewater are few and far between.

That short list also includes the OHSU Center for Health and Healing which employs on-site wastewater treatment.

The Port of Portland building was the only one in Oregon to make the Forbes list.

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