RedactedNarrative: PWC#1 WAS GOING STRAIGHT ACROSS THE LAKE AT APPROXIMATELY 15 MPH WITH PWC #2 FOLLOWING SHORTLY BEHIND AND TO THE STARBOARD SIDE AT APPROXIMATELY 20-25 MPH GAINING ON PWC #1.  PWC #1 TURNED TO STARBOARD ABRUPTLY NOT KNOWING PWC#2 WAS CLOSE AND PWC #2 STRUCK PWC #1 ON THE STARBOARD STERN.  BOTH PWC'S CAME TO AN ABRUPT STOP AFTER THE COLLISION RESULTING IN THE PASSENGER OF PWC #1 BEING THROWN OFF AND THE OPERATOR OF PWC #2 BEING THROWN OFF.  BOTH OPERATORS HAD ONLY BEEN ON THE PWC'S FOR 10 MINUTES BEFORE THE ACCIDENT OCCURRED.
NameOfBodyOfWater: ALCOVA RESERVOIR
NearestCityTown: ALCOVA                        