Complex sentence: He and a small group of friends plant dynamite and blow a hole in the wall using an alligator gar, and the water recedes, but it brings the authorities who enforce the mandatory evacuation order, removing the inhabitants of the Bathtub to an emergency shelter.
Split into simpler sentences: He and a small group of friends plant dynamite and blow a hole in the wall using an alligator gar, and the water recedes. Authorities arrive and enforce a mandatory evacuation order, removing the residents of the Bathtub to an emergency shelter.