It happened around 1:30 p.m. on the Monksville Reservoir in Ringwood, where a man fell after venturing out about 100 feet onto the ice.
Rescue crews ventured out onto the water and pulled the victim to safety.
The extent of the man's injuries are unknown.
The victim was rushed to an area hospital.
Earlier this week, two teenagers were killed and three others were injured in separate incidents in Carteret and East Brunswick.
----------
* More New Jersey news
* Send us a news tip
* Download the abc7NY app for breaking news alerts
* Follow us on YouTube