856 gallons of magnesium hydroxide accidentally released into Patapsco River in Baltimore

(MGN)generic river pic

The Baltimore City Department of Public Works stopped an accidental chemical spill into the Patapsco River.

DPW says magnesium hydroxide, which is used during the wastewater pre-treatment process, started to leak into the river at 1 p.m. Friday.

Magnesium hydroxide is used in the sewage treatment process for odor control and to assist with corrosion resistance.

According to officials, 856 gallons of the chemical flowed into the river which caused the water color to change.

The leak started from a broken line on a tank located at the City-installed facility on the south side of the County's Patapsco Pumping Station, according to DPW.

The release has been reported to the Maryland Department of the Environment.

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