RedactedNarrative: On 07/22/2017, at approximately 19:00 hours, the Osage County Sheriffs Office received a call about a boat accident at Melvern Reservoir in Osage County, Kansas. A pontoon  was traveling east on the main body of the lake between Eisenhower State Park and Arrow Rock boat ramp. The pontoon hit a ski boat. The ski boat was not under power at the time of the accident. The ski boat had just finished tubing and was pulling in a tube. 
  
  There were a total of six people on board the ski boat. The pontoon had five people on board. The pontoon struck the ski boat on the starboard side at a high rate of speed. The point of contact was just in front of the captains chair. The starboard side pontoon struck the ski boat and travel to the stern of the ski boat causing major damage to the fiberglass. The middle pontoon struck the starboard stern as well causing damage to the fiberglass hull. All occupants of the pontoon stayed on board during the collision. Four of the six occupants of the ski boat were ejected or jumped in the water during the collision. 
  
  These four were picked up by other vessels and taken to the Arrow Rock boat ramp for medical attention. At the boat ramp both of the vessel operators were given field sobriety test. The operator of vessel #1 showed some signs of impairment and was given a PBT that showed .080 at approximately 20:30 hours. He agreed to be tested at the Osage County Sheriff''s Office and tested .053 on the intoxilyer 9000 at 21:09 hours. 
  
  The operator of vessel #2 showed no signs of impairment in field sobriety tests and PBT showed .000 at 20:12 hours. 
  
  Pictures taken 07/22/2017 of vessel #1 showed some damage to the starboard pontoon. (See photos attached) A vessel inspection done at 20:29 hours at the Melvern Lake Marina. This inspection showed two violations of safety equipment. 1. No current boat registration and 2. No Type IV personal floating device. 
  
  On 07/23/2017, pictures were taken of vessel #2. These pictures showed major damage to the starboard side fiberglass hull. (See attached)
  
  A vessel inspection was also done at 10:55 hours on 07/23/2017. The only violation found at the time was the old registration number was displayed on vessel #2 and not the new Kansas numbers. 
  
  Numerous witness statements were gathered during the investigation. All statements indicated the operator of vessel #1 did not see vessel #2 and struck vessel #2. Although Operator1’s BAC (.053) was under the legal limit, alcohol may have been a contributing factor in the collision. (See attached witness statements)
  
  
  
  All of the six people that went to the hospital were checked out and released.  They had no injuries due to the two vessels colliding.