RedactedNarrative: Vessel 1 Operator stated that he was operating his powerboat near the stump field.  A larger boat came up from behind him.  The other boat was on plane and the bow was up in the air.  The other boat caused a large wake as it passed by, at a distance he estimated to be 30 or 40’.  This wake pushed Vessel 1 into the stump field, where the vessel struck a stump and came to rest on another stump.   Vessel 1 Operator stated that his engine came up out of the water as he hit the stumps and it caused damage to the engine and lower unit.  Vessel 1 Operator also stated as his boat hit the stumps, he was thrown into the corner of the dashboard and throttle.  Vessel 1 Operator stated that his injuries were right shoulder rotator cuff area, and general bruising and strains.   The reporting officer did not observe the damage to the vessel.  There were no witnesses to the incident.  Vessel 1 Operator was unable to provide any description of the other vessel.