But a result of the pumping has been that the fourth tailings pond is now largely filled with 140 million gallons of contaminated water.
32.
There are no natural lakes; the tailing pond near the slag heap and the Zauckerode retention basin were both constructed in the 20th century.
33.
Water from the operations is treated and contained in a tailings pond designed to international standards and 89 % is recycled in the operation.
34.
In the northern zone near Magna, Utah, the extensive southern tailings pond has been collecting the tailings since the mine first started mining production.
35.
The Summitville mine was the scene of a major environmental disaster in the 1990s when the liner of a cyanide-laced tailing pond began leaking heavily.
36.
Morally and legally, residents said, Newmont is liable for the cleanup of the crater, known as a tailings pond, as well as the Midnite Mine.
37.
During its operations, the Sillam�e plant dumped the processing wastes into a tailing pond at the north-western part of Sillam�e near the Baltic Sea shoreline.
38.
Since the beginning of the oil sands development, there have been several leaks into the Athabasca River polluting it with oil and tailing pond water.
39.
Confident in its future, the mill dug the enormous tailings pond, roughly the size of the Seattle Kingdome, in 1981, to bury the radioactive waste.
40.
Tailings ponds can also be a source of acid drainage, leading to the need for permanent monitoring and treatment of water passing through the tailings dam.
