RedactedNarrative: On Sunday Aug 4, 2019 reporting deputies were dispatched to a 10-50 PI boating accident approx 1001 River Dr N Algonquin.  The following is a summary (not verbatim) a result of the interviews and investigation. 
  
  Operator of vessel # 1 states that he was S/B on the Fox River towing to juveniles on a 2GHD inflatable tube and just prior to the no wake area he turned left (e/b) to circle back north.  Subject1 (m/w/15, psgr of float) saw that the tube was going to strike a pier on the east shore and jumped off before impact.  Subject2 (2nd passenger of float) failed to see that danger, remained on the float and struck the pier.  As a result of the impact Subject2 struck his head.  He was taken to Centegra/Northwestern Hospital by Algonquin FD.  Subsequent phone call revealed Subject2 had bleeding of the brain and was airlifted to Lutheran General in Park Ridge.  
  
  The operator of the boat was issued a citation of Careless Operation.
  