RedactedNarrative: V1 was pulling a tuber in circles when he noticed V2, coming his way.  V1 slowed his boat to a stop to protect the tuber from being hit & hoped that V2 would change direction.  V2 hit V1 on the starboard read side of the boat.  V2 stated he was cruising with a passenger @ about 20 mph when he looked behind him to see if there were any vessels near & didn't see the boat in front of him. V2 attempted to stop but impacted V1. Both subjects on V2 were wearing life jackets.  No person's on V1 were wearing life jacktes.  Upon impact V2 made contact with occupant on v1 & glanced off of her head.  She went to the Doctor as a precaution yet received no further treatment.
NameOfBodyOfWater: Black Hawk Lake
NearestCityTown: LAKEVIEW