RedactedNarrative: Boat was traveling at speeds greater than slow no wake.  Operator of boat looked down at his cell phone and was not paying attention to where the boat was going.  The boat struck the Brookwood Association Pier 519.  The boat continued over the pier and became airborne.  Fontana Police Officer reported the pier was damaged and almost completely severed in half.  Significant structural and electrical damage to the pier area.