By: KDKA-TV News Staff

PITTSBURGH (KDKA) – The PWSA will pay half a million dollars for violating the federal Clean Water Act.

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It spent years covering up the amount of sludge it was dumping into the Allegheny River.

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Federal judge William Stickman says the PWSA learned its lesson.

The authority will also have to put in a new compliance program.

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Charges are still pending against a former worker, Glenn Lijewski. He’s accused of being responsible for false reports about the sludge.