(AP) -- SAGINAW, Mich. — Facility officials say the Saginaw Water Treatment Plant has discharged 10 million gallons of untreated or partially treated sewage into the Saginaw River.
Officials tell The Saginaw News the release happened between Monday night and Tuesday morning following a 1.75-inch rainfall that caused four retention basins to overflow.
Water treatment officials at the mid-Michigan plant say they pretreated the sewage with hypochloride, a chlorine that kills bacteria. They also allowed solids to settle before discharging overflow.
Officials tested for E. coli at two points along the river. Results are pending.
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