RedactedNarrative: Vessel #1 operator stopped the vessel for passenger #1 to jump into the water to use the restroom.  Passenger #1 was very intoxicated. Passenger #1 jumped in the water and apparently struck her head on the side of the boat, vessel #1 operator and the passengers observed Passenger #1 had a knot on her head when she resurfaced.    Passenger #1 was transported the the hospital by EMS.  A.O.I. was .3 mile east of Old Keystone Ramp and 1 mile south of U.S.-64 bridge.  Area of accident was approx .3 Mile east of Old Keystone Ramp and approx 1 Mile south of U.S.-64 Bridge.