Deicing runoff diverted

The Port of Portland upgraded its deicing infrastructure at Portland International Airport to meet new state and federal effluent discharge standards, in time to process runway and aircraft deicers in the 2011–2012 winter season. Photo: Port of Portland

An aerial photo shows the plan to upgrade the airport's deicing infrastructure, including collecting runoff water from a drainage basin (shown as Drainage Basin 1), constructing a new outfall to the Columbia River (in purple), and adding onsite treatment and storage capacity (see legend for the new treatment building and pump stations). Photo: JE Dunn

Two anaerobic fluidized bed reactors in Portland International Airport's new 12,000-square-foot treatment facility reduce discharge to the Columbia Slough by 89% and help the aiport meet National Pollutant Discharge Elimination System permit requirements. Photo: Port of Portland

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