Source: National Center for Environmental Health — Content from the Centers for Disease Control and Prevention (public domain).
Key points
* Floods, big or small, can have devastating effects on your home and your family. You can take steps to reduce the harm caused by flooding.
* Learn how to prepare for a flood, stay safe during a flood, and protect your health when you return home after a flood.
Prepare for a flood 
Know what to do if there is a flood watch or warning in your area. Floods, big or small, can have devastating effects on your home and your family. Learn how to prepare for a flood, including how to create a plan, supplies you’ll need, getting your home ready and guidelines for septic and onsite wastewater systems. Keep Reading Preparing for Floods Stay safe after a flood 
Never drive in flooded areas—turn around, don’t drown! Floodwater and standing water can be dangerous and can make you vulnerable to infectious diseases, chemical hazards, and injuries. Know how to protect yourself and your loved ones from the risks brought by floodwater. Keep Reading Safety Guidelines: Floodwater Reenter your flooded home 
Take steps to protect your health and safety when reentering your flooded home. When returning to a home that’s been flooded after natural disasters such as hurricanes, tornadoes, and floods, be aware that your house may be contaminated with mold or sewage, which can cause health risks for your family. Keep Reading Safety Guidelines: Reentering Your Flooded Home Resources
* Natural Disasters and Severe Weather
* Flood Safety and Preparedness (weather.gov)
* Flood Safety | Flood Preparedness | American Red Cross
* Floods | Ready.gov
* Drinking Water Advisory Communication Toolkit
* Emergency Water Supply Planning Guide
* EPA’s Flooded Homes Cleanup Guidance
* Food and Water Safety During Power Outages