The body of Dhanush Reddy was recovered Thursday morning from the 36-inch pipe in a wooded area on the1300 block of Centennial Avenue in Piscataway, officials said.
The pipe goes from under Stelton Road in South Plainfield to Piscataway.
Responders were helping drivers in the area when they heard a woman calling out for help around 9:40 p.m.
While they were able to rescue one of the victims, Reddy's body wasn't recovered until the following morning.
Reddy was among nine people who died in New Jersey as a result of the storm.
Click here to follow Daily Voice Paterson and receive free news updates.