In all, there are 596 coal slurry impoundments in 21 states. West Virginia has 114, more than any other state, according to the federal Mine Safety and Health Administration.

Wednesday, a judge approved a settlement between Warrior Met Coal and the Black Warrior Riverkeeper regarding a coal slurry impoundment at a mine near Brookwood in Tuscaloosa County. "Impoundments ...

Warrior Met Coal in Tuscaloosa County, one of the leading producers of metallurgical coal in the United States, will pay $250,000 as part of a settlement agreement to fix a coal slurry impoundment ...

That’s when he noticed discharge coming out of Slurry Impoundment No. 14, and it was clear to Brooke the issue stemmed from coal. “We’ve been monitoring coal mines for 20 years,” Brooke said.

In all, there are nearly 600 coal slurry impoundments in 21 states, including 104 in Kentucky. Advertisement Slurry is a byproduct of washing coal to help it burn more cleanly.

As a result, finer coal is often discarded to slurry impoundments. There are hundreds of sludge impoundments in the U.S., mostly in Appalachia, creating environmental and safety concerns, said Yoon.

Because of the failure, Massey has studied its other slurry ponds, or impoundments, and hired outside experts to prevent another sludge release, company spokesman Jeff Gillenwater said.

Carol Kimmons, arts and education director of the Sequatchie Valley Institute, said, "On Monday at 1 a.m., a coal slurry impoundment at the Tennessee Valley Authority’s Kingston coal fired power ...

In all, there are 596 coal slurry impoundments in 21 states. West Virginia has 114, more than any other state, according to the federal Mine Safety and Health Administration.

MORGANTOWN, W.Va.—With a driver and his bulldozer missing in a thick, dark lake of coal slurry, a mine safety expert and critic of the coal industry says regulators are ignoring stricter cons… ...

With a driver and his bulldozer missing in a thick, dark lake of coal slurry, a mine safety expert and critic of the coal industry says regulators are ignoring stricter construction standards that ...

MORGANTOWN, W.Va. — With a driver and his bulldozer missing in a thick, dark lake of coal slurry, a mine safety expert and critic of the coal industry says regulators are ignoring stricter ...