In 2008, a coal ash pond at the Tennessee Valley Authority’s (TVA’s) Kingston Plant in Harriman, Tennessee, collapsed. About 5.4 million cubic yards of ash entered the Emory and Clinch rivers ...
The surface of a pond can build up with all sorts of rubbish in summertime: dead insects, pollen, foaming from use of algae treatments and proteins and oils from heavy feeding. Floating duckweed ...