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Updates on the Nogales IOI

The International Outfall Intercepter (IOI) is the conveyance mechanism between the Nogales, Sonora waste water collection system and the waste water treatment plant in Rio Rico, Arizona that treats waste from both Sonora and Arizona.   Long standing structural integrity issues associated with the IOI have resulted in years of periodic releases of untreated sewage along the length of the IOI in the communities of Nogales and Rio Rico.

Public Meeting on July 9, 2018 | Download Presentation >