RedactedNarrative: V1 & V2 were cruising southbound at approximately 30 mph on the Coralville Reservoir between Sugar Bottom campground and Party Cove.  At approximately 2:10 pm V2 was operating behind and to the left of V1 and as they were driving, V1 slowed his vessel & began to make a turn to the left.  V2 realized he was too close to V1 & tried to correct by turning sharply to the left.  When V2 turned to the left, he struck V1 on the port side near the bow of the vessel.  V2 then hit V1 broadside striking the victims left hip area. Operator & victim were thrown from the vessel.  When Officers arrived, victim was lying facedown on the starboard side of the PWC foot rests. Officers took the victim & transported her to the nearest boat ramp.  Both operators admitted to drinking alcohol. V1 registered .076 BAC & V2 registered .02 BAC.  All subjects were wearing life jackets.