RedactedNarrative: On 09/22/2017 at approximately 12:08pm, while on patrol within Glen Canyon NRA, I was dispatched to sinking vessel in the Wahweap Bay Area. Furthermore the vessel was located between the Main Marina Launch Ramp and the Fuel Docks.
  
  I observed a yellow over white Rinker beached on the shoreline near the Lower Marina Parking Lot. Approximately 50% of the vessels stern portion was submerged below the surface of the water. I identified the operator who stated in substance before launching his vessel at the Main Marina Launch Ramp, he had forgotten to replace the drain plug located on the stern of his vessel. After launching his vessel it began taking on water. Operator did not observe his bilge pump activate. After beaching his vessel Operator was able to place his drain plug in, but his vessel had already taken on too much water and continued to sink.
  
  I contacted executive Services and provided contact information.
  On 09/23/2017 I contacted Operator via cell phone. Operator stated that his vessel had been removed from Lake Powell in the afternoon of 09/22/201.
  