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STAMFORD, Conn. — A sewage spill occurred Wednesday night at the Water Pollution Control Authority plant in Stamford, Mayor Michael Pavia said Friday.
About 1.2 million gallons of partially treated effluent made its way into Long Island Sound sometime between 8:30 and 10:30 p.m. on Halloween, he said. The mayor was not sure how or why it happened.
A power failure occurred in the aeration process, said Ernie Orgera, director of the Office of Operations. The state Department of Energy and Environmental Protection has been notified, he said.
The state has not alerted the city of any precautions it should take and expects the city’s water to be safe, said Anne Fountain, the city's director of health and welfare.
The bypass was partially treated, and the sewage went through the UV system, Orgera said.
The Water Pollution Control Authority was told to remain fully staffed throughout Hurricane Sandy and to be in contact with the Emergency Operations Center, Pavia said. He added that he was concerned with how long it took for the the incident to be reported to his office.
The city will investigate to determine what happened, Pavia said.
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