RedactedNarrative: On tuesday 81/23 i was working marine and trail enforcement for the dane county sheriff's office. I responded to the tonyawatha boat launch in the city of monona for a boat crash that occurred on lake monona. 
  
  Both vessels returned to the boat launch. After identifying and speaking to all parties it was determined that the at fault vessel was under way at approximately 20mph when it crashed into the stationary vessel.
  
   Operator1 stated he had been driving toward the rock pile and had not noticed the other boat in time to avoid a collision. Operator2's boat was not underway; it was floating unanchored and occupants were fishing. 
  
  Operator1's passenger was thrown from the boat upon collision. Passenger made it safely back into the vessel with a potential knee injury. Passenger was not transported to the hospital and refused ems treatment. All other involves parties remained in their vessels and uninjured. Drugs and alcohol are not considered a factor in the crash.
  
  operator2's vessel sustained structural damage to the corner located in the stern on the port side. Operator1's vessel sustained significant totaling damage to its bow starboard side. 
  
  As a result of the collision operator1's boat took on water; the boat was removed from the lake without incident. After reporting the crash, operator2 and passengers returned to fishing on lake monona. All operators advised to complete a self crash report.
  
NameOfBodyOfWater: Lake Monona
NearestCityTown: Madison                       