A stopgap solution is currently in progress: since Lake Mead levels are dropping to the point where they threaten to fall below the level of Las Vegas's current

A stopgap solution is currently in progress: since Lake Mead levels are dropping to the point where they threaten to fall below the level of Las Vegas's current intake pipes, a third pipe originating at a much lower level is being constructed (cost: about $800m). There are of course obvious reasons that moving your intake further down on a shrinking lake is not precisely a solution to the problem...