Alva Review-Courier -

CARSON CITY, Nev. (AP) — The white rings that wrap around two massive lakes in the U.S. West are a stark reminder of how water levels are dropping and a warning that the 40 million people who rely on the Colorado River face a much drier future.

Amid prolonged drought and climate change in a region that's only getting thirstier, when that reckoning will arrive — and how much time remains to prepare for it — is still a guess.

The U.S. Bureau of Reclamation released projections Friday that suggest Lake Powell and Lake Mead will dip 16 feet (5 meters) and 5 feet (1.5 meters), respectively, in Janu...