EPA Calls for More Testing at Alliant’s Coal Ash Ponds in Burlington

Can about 68 acres of coal ash ponds in Burlington withstand an earthquake? To find out, the EPA has required Alliant Energy to do more testing of their supporting walls, according to a statement from the agency.

The EPA does not believe the area to be dangerous, but it has exercised extreme caution on coal ash sites since December 2008, when a retaining wall gave way at a Tennessee Valley Authority plant, burying homes under six feet of sludge spread over 400 acres.

As of April 2011, EPA has conducted structural integrity assessments for 381 coal ash impoundments at 152 coal-fired power plants.

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