RedactedNarrative: The operator and occupants of the vessel were impaired. The operator did not use the navigational aids in which he tried to drive his vessel through a spot on the lake called "The Witches".  "The Witches" is clearly marked to avoid the many submerged rocks in the area. The vessel was inoperable. A witness to the accident went over to the vessel to make sure there were no injuries. The witness stayed with the vessel until Marine Patrol arrived. The officers asked if there were any injuries and one occupant stated he hurt his arm, he refused treatment. Marine Patrol towed the vessel to the local town docks, where the officers noticed alcohol containers littering the bottom of the boat. A field sobriety test was administered to the operator, he failed and placed under arrest.