- install one-way valves to toilets and pipes to prevent sewage backing up into the house
- move valuables upstairs, or put them in waterproof bags if a flood is imminent. While an insurance policy can replace damaged items, some items, like family heirlooms and old photo albums, are irreplaceable.
You might also want to write a flood plan. Think about putting together a community flood plan so you know what to do and where to go before, during and after a flood. You could consider writing your own household plan too.