The picture does not do it justice, but just below Atlanta Rd is a nice river-wide surf wave. It is formed by an underwater concrete structure (pipe-like) that runs almost the width of the river from the Atlanta side (river left). Upon further inspection, it runs directly from the marked outflow point of the Atlanta treatment plant, and there are 3 underwater frothy spots on river left (I surfed more towards river right). Unlike Cobb county, I think the Atlanta outflow is a pipe that emits all the water underwater via this pipe.