Flood Hazards and Recovery

Flood warning sign

Introducing Wisconsin's Risk Assessment Flood Tool or RAFT! Our tool  has a new name, but the same customizable features in one map to help your community prepare for and respond to flood events.


Do NOT swim or bathe in rivers, streams, creeks, or lakes in flooded areas.

Flood waters may contain sewage, fertilizer, gasoline, pesticides, hazardous materials, and large chunk of debris such as fallen tree limbs, boulders, metal objects, sharp objects like fence posts and nails, etc.

Stay healthy by verifying your drinking water is clean and safe.

Private well users should take precautions if your well has been flooded.

Public water users should run their faucets for at least five minutes before using water for drinking or food preparation. If a "boil water" notice is issued, follow any directions given by the water utility or local health department.

Take proper safety measures when cleaning your home after a flood.

A home that is flooded may be unsafe upon re-entry. Assess for potential hazards before entering. Use caution when cleaning your home with bleach.


Flooding Toolkit

If you live or work in an area likely to flood, take some simple steps to protect yourself and your property. The Wisconsin Flood Toolkit, P-00631 provides general information and guidance on flood events for health professionals and the public.

Recovering Safely from a Flood

Watch this video on How to protect your health and stay safe when recovering from a flood. It covers important topics such as re-entering your home, dealing with mold, food safety, and cleanup.

Wisconsin DNR Resources

Wisconsin Department of Natural Resources (DNR) provides guidance on how to cope with flooding, including a flooded private well.


For more information on cleaning your home after a flood, using bleach, and potential hazards related to flooding, refer to our navigation.

Last Revised: August 25, 2021