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August 16, 2009 in City
CHRISTOPHER ANDERSON photo

Mike Coster checks Wednesday on one of six experimental treatment processes being run at Spokane’s wastewater treatment facility to determine how to best meet phosphorus standards.

CHRISTOPHER ANDERSON photo

A duck lifts off from the surface of a secondary clarifier at the wastewater treatment plant in Spokane. About 1 million gallons of wastewater are being diverted each day into experimental treatment models to help determine how to best reduce phosphorus.