Huge Ponds Hold Tar Sands Sludge, and Great Risks (OpEd)
Sep 03, 2014 · While the public has little information about the risk of a breach, the regulation of tarsands tailings dams is dismal. A 2008 study by Environmental Defence Canada, based on industry data, found that as much as million gallons of water leaks from tar sands tailings ponds into the environment every day, with no enforcement by the government.