RedactedNarrative: Vessel 1 was leaving the no wake area of Elephant Butte lake.  Once vessel 1 was one plane, vessel 2 struck the bow of vessel 1.  Damage was done to the front of the port pontoon of vessel 1 and the starboard side of vessel 2 near the operators console.  The operator of vessel 1 hit his knee on the steering wheel of vessel one causing a minor contusion.  Vessel 1 was found to be at fault in this collision.