Natural Disasters and Private Water Wells

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.

Droughts

A drought occurs when drier than normal conditions lead to a decrease in water supply. The Minnesota Department of Health (MDH) is advising private well users to be even more conscious of water use and well maintenance during periods of drought.

• Drought Precautions for Private Water Wells (PDF)

Floods

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.

• Flood Precautions For 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.

• Disinfecting Flooded Private Water Wells

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.

• Floods (CDC)
• Flooding (EPA)

Wildfires

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.

• Wildfire Can Damage Private Water Wells

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.

• Wildfires (CDC)
• Wildfires (EPA)

Questions

Well Management Section
651-201-4600 or 800-383-9808
health.wells@state.mn.us

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