One way in which water can and does get 'lost' is river depletion. Colorado river doesn't reach the sea anymore, human demand is greater than its flow. Here's a

One way in which water can and does get 'lost' is river depletion. Colorado river doesn't reach the sea anymore, human demand is greater than its flow. Here's an interesting article about it: http://www.outsideonline.com/1928261/day-we-set-colorado-river-free http://www.outsideonline.com/1928261/day-we-set-colorado-riv...