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Sealing old wells is priority for local governments - StarTribune.com
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Unused wells pose one of the greatest contamination threats to groundwater.
Crop switch could cost millions in water contamination | MPR News
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A University of Minnesota study says a recent switch from grassland to crops in southeastern Minnesota could increase the number of household wells...
High nitrate levels found in private Dakota County wells -...
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People can buy a reverse osmosis system to treat affected drinking water.
State officials promise tougher approach on nitrates contaminating...
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Minnesotans are spending millions of dollars to deal with nitrate contamination in their water, and the state agriculture department says it's time to insist...
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