Well Management
Natural Disasters - Floods and Wildfires
Minnesota experiences a wide variety of weather conditions that can affect a private water well. By preparing your family in advance and by observing precautions during times of extreme weather, you can reduce the risk of health problems.
- Floods
- Flood Precautions For Private Water Wells
The Minnesota Department of Health (MDH) is advising well owners that private water wells contaminated with flood water can pose a health risk. MDH recommends that well owners take precautions before possible flooding, and take corrective actions should a well be flooded. - Disinfecting Flooded Private Water Wells
Water from a flooded well cannot be regarded as safe for drinking or food preparation until the well and plumbing system have been flushed and disinfected, and a water test shows that it is safe. - Floods: Protecting Your Health
A few simple precautions can help you avoid possible health risks during a flood. This information answers some of the most important questions about floods and your health.
- Flood Precautions For Private Water Wells
- Wildfires
- Wildfire Can Damage Private Water Wells
As an owner of a private domestic water well that may be damaged by a wildfire, you may have some concerns about fire related impacts to your well and water system. - Wildfires: Protecting Your Health
Smoke can hurt your eyes, irritate your respiratory system, and worsen chronic heart and lung diseases. In addition, a fire may directly or indirectly affect foods in ways that could endanger your health.
Contact the MDH Well Management Section
651-201-4600 or 800-383-9808
health.wells@state.mn.us
Minnesota Department of Health - Wildfire Can Damage Private Water Wells

