RedactedNarrative: Operator1 stated that his vessel was not running on plane at full throttle.  Operator1 stopped his vessel and it began to take on water. Operator1 believed his bulge pump was not working because his vessel was filling up with water.  They Operator1 and his wife were able to wave another boater and were rescued and taken to Caseyville boat ramp.  Operator1 stated that as soon as they got off the boat it turned over and capsized somewhere between the Mouth of Tradewater River and Caseyville. Crittenden County Rescue and I were able to find the boat and tie it to the bank below the Mouth of Tradewater River.  I will be in contact will Operator1 for him to retrieve his boat.