By: KDKA-TV News Staff

PITTSBURGH (KDKA) – The Pittsburgh Water & Sewer Authority has pled guilty to violating the Clean Water Act.

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The guilty plea was in connection to sludge discharged from the plant near Aspinwall into the Allegheny River.

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The sludge is a byproduct of treating the river water.

PWSA also admitted to making false statements.

Charges are still pending against a former PWSA employee, Glenn Lijewski.

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Lijewski is being accused of being responsible for the discharge and false reports.