The Millstone Township Fire Department was dispatched to Perrineville Road at Perrineville Lake for a motor vehicle accident vehicle overturned. While enroute Telesqurt 3290 Maloney was advised of a vehicle into the water driver entrapped and a fuel spill. Telesqurt 3290 arrived to find a vehicle partially into the water with the driver still in the vehicle and an active fuel leak. Firefighters assisted the driver from the vehicle and turned over to Millstone EMS for transport. Rescue 3285 arrived and firefighters deployed spill containment booms to contain the gasoline that had entered the water. Monmouth County Hazmat and Hope Fire Company Marine Unit Sta 82-1 were requested to the scene. Additionally a notification was made to the Monmouth County Fire Marshalls Office due to this incident occurring on Monmouth County Parks Systems property. Members of the Hazmat unit and Marine 82-1 arrived and the decision was made to have two firefighters enter the water in dry suits in order to place additional spill containment booms. Once completed a heavy duty wrecker was used to raise the vehicle from the water. The vehicle was placed on the roadway where additional action was required by Hazmat personnel to contain both a gasoline leak and oil spill. After operating for over 2 hours fire department units cleared the scene while Hazmat units remained for additional clean-up. Representatives from the Monmouth County Office of Emergency Management the Monmouth County Park Systems Monmouth County Highway Department and the New Jersey State Department of Environmental Protection were on scene. The accident is under investigation by the New Jersey State Police.