RedactedNarrative: Operator was operating in a 22' open motorboat on the Columbia River near the Sunlands Resort area when he ran aground on a sand/rock bar in shallow water. 
  
   The water level on the Wanapum Pool of the Columbia River changes often depending on the demand for water to generate electricity.  Obstructions are not marked by the Public Utilites District nor the county for the benefit of boat operators.
NameOfBodyOfWater: Columbia River
NearestCityTown: Quincy                        