RedactedNarrative: On 6-17-22 at approximately 1659 hours, operator was operating his PWC (vessel 1) north on the Colorado River when he fell off.  He was not wearing his safety lanyard, which caused the PWC to run unoccupied.  The PWC then collided with a southbound boat (vessel 2) causing damage to it''s starboard side.  He then left the scene of the incident, but was located by Deputies.  He was arrested for OUI.