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"Minnesota Cities Look To Reduce Chloride From Water Plants"

"MORRIS, Minn. — Some Minnesota cities are grappling with how to reduce the amount of chloride being released from their wastewater treatment plants into lakes and streams, threatening aquatic life.

The state estimates that about 100 municipal wastewater treatment plants are releasing more chloride than allowed by state standards.

While road salts are the biggest culprit of excess salt entering the environment, researchers at the University of Minnesota’s Water Resources Center are telling cities to address the use of water softeners. Homes and businesses connected to municipal sewer systems send chloride from the water softeners down the drain, which ends up at the wastewater plant."

The Associated Press had the story March 16, 2019.

Source: AP, 03/18/2019