For the roughly 5,000 people who call Cave Creek, Arizona, home, the Colorado River crisis is no longer some distant warning. It is becoming a troubling, expensive problem that could soon hit the town's taps. NPR reported on the small town where officials are scrambling to secure backup water supplies as major cuts to the river loom. A generation-long megadrought has forced the government's hand, with measures needed to safeguard the drinking wa…