To keep the water running in LasVegas, recognize scarcity and let water rates rise-- double or even triple. Encourage homeowners to trade water rights. Let the market determine how much water people use, not the water police.
Andrew Wilson, 2011 PERC media fellow, is a fellow at the Show- Me Institute, a free-market think tank in St. Louis. Wilson is a regular contributor to leading national publications, including The American Spectator, The Weekly Standard and the Wall Street Journal. He can be reached at email@example.com