The Martin County Sludge Spill was an accident that occurred after midnight on October 11, 2000 when the bottom of a coal sludge impoundment owned by Massey Energy in Martin County, Kentucky, USA, broke into an abandoned underground mine below. The slurry came out of the mine openings, sending an estimated 306 million gallons (1.16 billion liters) of sludge down two tributaries of the Tug Fork River. By morning, Wolf Creek was oozing with the black waste; on Coldwater Fork, a ten-foot (3 m) wide stream became a 100-yard (91 m) expanse of thick sludge.
The spill was over five feet deep in places and covered nearby residents' yards. The spill polluted hundreds of miles (300 - 500 km) of the Big Sandy River and its tributaries and the Ohio River. The water supply for over 27,000 residents was contaminated, and all aquatic life in Coldwater Fork and Wolf Creek was killed. The spill was 30 times larger than the Exxon Valdez oil spill (12 million gallons) and one of the worst environmental disasters ever in the southeastern United States, according to the United States Environmental Protection Agency. The spill was exceeded in volume by the Kingston Fossil Plant coal fly ash slurry spill in 2008.
In 2005 Appalshop filmmaker Robert Salyer released a documentary entitled Sludge, chronicling the continuing story of the Martin County disaster, the resulting federal investigation, and the looming threat of coal sludge ponds throughout the coalfield region. In the wake of the Kingston Fossil Plant coal fly ash slurry spill, Appalshop has provided a web stream of Sludge for the public [1].
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