RedactedNarrative: Vessel 1 has a history of taking on water in livewell intake. Operator noticed water in back hatch of vessel so pulled away from the dock heading east.  Operator brought vessel up to about 15 mph to keep bow up to drain water out of vessel.  As vessel was moving east operator left helm and went to rear of vessel to check back compartment to see if water was draining.  Operator was facing stern of vessel and moved to port side to check hatch when he slipped and fell off the rear port side of vessel landing in the water.  Vessel traveled a short distance turning slowly to port.  Vessel completed 180 degree turn now heading west when the bow of vessel struck the concrete seawall where it came to a rest up against the seawall.  Operator was picked up by a passing vessel and reported that he was not injured.  Property owner came out and called police.  When i arrived on scene and spoke with property owner he stated that his seawall was cracked from the impact but i only observed chips in the concrete and the crack appeared to be old since it had weeds growing in the crack.  Owner of vessel was able to move the boat to his boat lift before the boat could sink.
NameOfBodyOfWater: LOXAHATCHEE RIVER
NearestCityTown: JUPITER