RedactedNarrative: Operator PWC Vsl #1,  (7 years old) was being towed by owner of PWC.  PWC was not running and Operator/victim (7 years old) was just sitting on machine while owner was pulling victim through the water.  The laynard was connected and victim hit the start button and her hand was on throttle.  The PWC went about 25 feet before striking Vsl #2, which was anchored.  Operator Vsl #1/victim was treated at scene and transported to Huron Valley Sinai Hospital for laceration and head injury.  Both vessels damaged.  Victim not wearing PFD.  USCG clarification:  the owner was wading through the water, pulling the PWC with the operator/victim on it when the victim hit the start button and the PWC moved forward
NameOfBodyOfWater: Commerce Lake
NearestCityTown: Commerce Township             