The border city of Nogales is getting a long-awaited update to its wastewater treatment plant. It’s the first upgrade in15 years, and is expected to cost about $40 million.
The Nogales International Wastewater Treatment Plant is based a few miles up the highway from Nogales, in Rio Rico. It’s managed by the International Boundary and Water Commission, and it’s the only wastewater plant in the U.S. that treats both domestic and international water.
It supplies water to a 26-mile long riparian zone along the Santa Cruz River and also feeds the aquifers communities in Santa Cruz and Pima counties rely on.
But, officials say equipment failures over the years are affecting water quality. They secured more than $1 million last year to replace aged-out equipment and are looking for additional funding now.
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