Sewage Lake

Tributes will smell it before they see it - the stench of human waste and toxic decay. The bubbling water adapts a sickening brownish color, gently tinged green from a mysterious sludge pouring from two large pipes. Tributes may swim if they dare, and risk contracting one of a hundred varying diseases. It is not acidic to the touch; it is slimy and warm, quite repulsive to the senses. One might assume nothing can survive in its waters, but the tributes will see the occasional shadowy figure flicker beneath the surface and wonder if it is a trick of their imagination...