Coal Mine Muck Spills, Dumping 264 Million Gallons Into Canadian Waterways
Coal Mine Muck Spills, Dumping 264 Million Gallons Into Canadian Waterways
BY JEFF SPROSS ON NOVEMBER 4, 2013 AT 3:00 PM
An estimated one billion litres or about 264 million gallons of muck from an Alberta, Canada coal mine broke out of its containment pond on Halloween. The liquid flowed down two creeks and across 25 kilometers from the Obed Mountain coal mine to the Athabasca River, and is now headed downriver.
Theres actually quite a noticeable change of color [in the river], said Alberta Environment spokeswoman Jessica Potter. Its like muddy water
murky, muddy water.
Staff from the Alberta Health Services are now analyzing water samples to check if any of the sediments could cause environmental or health damage. The water contained coal dust, clay, mudstone, sandstone, shale and dirt, though the Edmonton Journal quoted an anonymous Sherritt official claiming the materials in the pond are inert and arent toxic to humans or fish.
According to the Journal, such containment bodies are generally designed so that water runoff from the operations flows into the ponds, and then stays until the sediments settle to the bottom, leaving the water safe to release. Operations at the mine, which is owned by Sherritt International, were actually suspended last November, and it since been undergoing reclamation.
Fortunately, most of the nearby communities dont draw their drinking water from the river, and...
http://thinkprogress.org/climate/2013/11/04/2886151/spill-coal-muck-canada/