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How frequently does Massport monitor stormwater discharges from Logan’s Outfalls?

April 26, 2017discharges Logan massport monitor outfalls stormwater

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How frequently does Massport monitor stormwater discharges from Logan’s Outfalls?

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All monitoring is conducted in accordance with the NPDES permit issued by the US EPA and Massachusetts DEP. Monitoring at Logan’s main outfalls serving the terminal and operational areas normally occurs twice per month: one time during precipitation and one time during dry weather. The other airport outfalls including the airfield outfalls are monitored quarterly. Deicing chemicals are monitored twice per year at the main outfalls and on the airfield.