The City Club of New York, along with a member of the Hudson River Park Advisory Council claims Con-Ed has been illegally dumping heated, toxic wastewater into a Hudson River estuary sanctuary.
The organization says the electric company has committed "ongoing violations" of the Federal Clean Water Act.
Some water was used to cool a power station, while other wastewater contained toxic pollutants such as chloroform, according to the group.
A Con-Ed spokesperson told ABC news in a statement, that the company is in compliance with its permit.
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