The Westchester County Health Department has lifted its advisory that warned residents to avoid direct contact with the Hudson River from all points south of Tarrytown until further notice.
Sewage discharge from the North Yonkers Pump Station had seeped into the Hudson as a result of heavy rainfall from Hurricane Irene.
"The volume of water coming into the North Yonkers Pump Station was too much for the system to handle, causing a manhole cover to dislodge resulting in a sewage discharge into the Hudson. The Department of Environmental Facilities has been working to remediate the issue," the county said in a statement Monday afternoon.
The county collected more water samples Monday evening and issued an updated advisory based on those test results. On Tuesday, it said that the discharge has ceased since last night.
It's the third time in six weeks that raw sewage discharges have caused health advisories in the Lower Hudson Valley: the Harlem sewage treatment plant caught fire in July and a large sewer main was smashed by a falling tree in Ossining in mid-August.