The Alabama Department of Environmental Management told WIAT 42 that they only test Smith Lake for e-coli, and that goes for all the other lakes in Alabama as well. With the recent fluctuation in weather, there is a strong possibility that lakes can back up with waste which in turn breeds bacteria.
Banning plastic bags harms humans in many ways. Plastic bags are a very useful part of our lives: - make it easy to carry a number of small items. - they are strong and lightweight. - they are cheap and disposable, so no problem if you lose one or can't find it.
If it is even remotely possible that any man-made item on Earth is more ubiquitous than plastic bags, it would have to be aluminum cans. But unlike plastic bags, which endanger marine life and trash the planet, aluminum cans are actually good for the environment.