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  • Jodi Eberhardt

Test Your Well

Well contractors are required to have a water sample tested for bacteria and nitrate when a new well is constructed; after that homeowners are responsible for periodic well testing as follows:

  • Test annually for Coliform Bacteria.

  • Test every other year for Nitrate. Test more frequently if nitrate has been previously identified. Drinking water over the public health safety limit of 10 mg/L of nitrate-nitrogen may be harmful for infants under the age of six months, and can cause “blue baby syndrome,” a condition that interferes with the blood’s ability to carry oxygen.

  • Test once or twice for Arsenic and Lead. Northeast Crow Wing County has high naturally occurring arsenic levels in the soil and has a high occurrence of arsenic in wells.

  • Test the water annually if you are a pregnant women or anticipate getting pregnant, or if infants will be drinking the water.

  • Test the water if there is a change in taste, odor, or appearance.

For more information about private wells, see Minnesota Department of Health (MDH). The MDH publishes a list of certified testing laboratories in the state.

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