Will Miss #515 - reliability of utilities

I've lived in my apartment in California for only 6 months, and have already experienced one utility-based problem. The water was shut off for a period of two hours to do some sort of maintenance. I was given a 24-hour notice of this fact 19 hours before the shut-off occurred and it was actually off for closer to 2 1/2 hours. This isn't such a big deal except for the fact that when the water