I'd be careful not to drain too much such that the water table level becomes an issue. I have a water table issue. I'm just a little, some say a lot, paranoid and have enough backup power to drain the pool as needed, keep the refrigeration going, and whack more food if it ever comes to that. The people from Michigan will learn soon enough that living in any area where you could be on your own for a bit, be prepared all the time. A friend in Vero Beach got whacked by Francis and Janine and didn't need a Home Depot. Had shutters, generator, fuel, radio (ham), food, and anything else needed for a long stay. Paid off. I live in N.E. Pa. (North Pole) where Winters can be brutal and so can lotsa rain. I am as best prepared as unreasonably possible.
Al