Well Sealing

An abandoned well hole provides a direct path for groundwater contamination and poses a safety hazard.

Well sealing is permanently closing a well that is no longer used or is deemed unsafe. State law requires abandoned wells in Minnesota to be sealed. Well sealing involves clearing debris from the well and filling it with grout. This must be done by a licensed contractor.

An unused well can act as a drain, allowing surface runoff, polluted water and improperly disposed-of solid or other waste to contaminate groundwater. Sealing abandoned wells protects groundwater quality. It can also protect surface water quality in areas with spring-fed streams, such as the karst landscape of southeastern Minnesota.

Old unused wells can be hard to find. They may be buried under soil or covered by buildings. Sometimes the only evidence is a depression or an old well casing close to a house or outbuilding. The Minnesota Department of Health offers tips for finding abandoned well sites on rural land (see Other Resources below).

The information above is from the Minnesota Department of Agriculture: http://www.mda.state.mn.us/.

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Mille Lacs SWCD is located in the lower level of the Mille Lacs Historic Courthouse at 635 2nd Street SE in Milaca.

Phone: 320-983-2160

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