On Lake H. Taylor Blalock, no watercraft with an engine greater than fifteen horsepower may operate unless both of the following apply:

1. (1) The gas line has been disconnected and the engine or prop is trimmed out of water.
2. (2) An electric trolling motor or engine of fifteen horsepower or less is mounted. However, pontoon boats with a length greater than sixteen feet may utilize motors not greater than forty horsepower.