2011- The Athabasca River feeds the Athabasca Delta, the third largest fresh water delta in the world it also feeds the water needs of most of the large Oil Sands operations. Locals complain that pollution has effected the fish, saying they taste oily and have tumours, most refuse to eat them. Locals claim that the water level has dropped significantly and that beavers and other wildlife no longer make the river their home.