RedactedNarrative: Vessel 1 was underway when the operator noticed the engines were not running correctly. The operator checked the engine compartment and noticed it was taking on water. The bilge pump did not work. All occupants on board donned PFD's and shot up a flare. A passing vessel assisted and got all individuals off from vessel 1 and safely to shore. Sheriffs office marine patrol located vessel which had sank in about 13' of water. V1 was recovered and removed from the lake by Tow Boat U.S. on 05/30/2019.