Crews clean up major sewage leak in Burnsville

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City workers are completing the cleanup of 100,000 gallons of residential sewage that spilled onto the Minnesota National Wildlife Refuge in Burnsville last month.

Outdoor News reports the spill caused by a blocked 10-inch sewage line sent waste through a manhole, overflowing onto the 14,000-acre refuge.

The sewage eventually seeped into a wetland and Black Dog Lake, where water is used to cool an Xcel Energy plant.

Crews initially removed about six cubic yards of waste from the area and the rest will be cleaned up by contractors from Minnesota Native Landscape, who specialize in ecological restoration services. Cleanup efforts will cost the city about $17,000.

Refuge officials will continue to monitor the effects of the sewage this spring, which may include fish kills and algae blooms.

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