If a drain pipe 18 inches in diameter is running from a surface storm drain into a body of water where the discharge is submerged will the water flow out of the submerged open end. Storm drain is approximately 6 feet above the submerged end of the pipe.

Question

If a drain pipe 18 inches in diameter is running from a surface storm drain into a body of water where the discharge is submerged will the water flow out of the submerged open end.  Storm drain is approximately 6 feet above the submerged end of the pipe.