It really depends. In my neighborhood in Louisiana, most yards sloped down to the street. So when the flood was a couple of feet at its deepest, most houses wer

It really depends. In my neighborhood in Louisiana, most yards sloped down to the street. So when the flood was a couple of feet at its deepest, most houses were still fully above the waterline. It's just that the streets were impassable and you needed a boat to get around.