The Colorado River Compact turns 100 this year, but any celebration is damped down by the drying-up of the big reservoirs it enabled. The Bureau of Reclamation’s “first-ever” shortage declaration on ...

DENVER (AP) — The intensifying crisis facing the Colorado River amounts to what is fundamentally a math problem. The 40 million people who depend on the river to fill up a glass of water at the dinner ...

“If we look at the compact today and ask ourselves, ‘Was it equitable given 2022 values?’ No, it wasn’t,” said Anne Castle, a former Interior Department assistant secretary for water and science. As ...

Arizona and the other Colorado River Basin states are once again fighting over how to share one of the West’s most important resources. But fights over this water are nothing new.

Rewriting the 100-year-old agreement could be perilous. Reinterpreting might be more effective. Dwindling flows in the Colorado River Basin are stirring discussions about whether a 100-year-old ...

Seven states signed the historic Colorado River Compact a century ago this week. The Compact provided a framework for fair sharing of the then-estimated 17.5 million annual acre-feet of water flowing ...