RedactedNarrative: Operator was pulling 2 occupants on the tube and made a clockwise turning maneuver forcing the tube outside of the lake at approximately 45 degrees and towards shore. The tube struck the dock and the tube occupants were injured and were transported by boat to the residence. Occupants were transported to the hospital for the injuries prior to le arrival, r/o did speak with operator who described the incident as listed above. Operator did show the r/o the pfd's that were worn by the occupants. Operator did have an observer at the time of the incident. Operator did have two other passengers that were in the bow of the boat at the time of the incident. Operator will be issued two citation for the incident for operator of boat greater than snw within 100' of a dock raft or pier. And operating the boat at an unreasonable or imprudent speed