If your home has flooded, the first thing you need to do is to turn off the main water supply. This can be done by locating the shut-off valves behind the toilet and faucet, or near the water meter. Turn them clockwise until they stop. Next, contact your local utility company to report the flooding and get an estimated time for repairs.

Once you've turned off the main water supply, start preparing your home for potential further damage. Cover electrical outlets and switches with plastic or tape to prevent water from entering them. Also, unplug all electronics and appliances that are not in use. Consider boarding up windows and doors with plywood or shutters to prevent future flooding.

After the flood has passed, begin the process of cleaning and repairing your home. Start by drying out wet areas and removing any damaged materials. Use a wet/dry vacuum to remove standing water from carpets, upholstery, and other fabrics. If you have any electrical issues, hire a licensed electrician to repair them as soon as possible.