One good year of snowpack won't reduce long-term risks on the river.
The U.S. Bureau of Reclamation has given governors or their representatives in the seven states until March 19 to recommend the next steps after California and Arizona failed to meet its deadlines.
The other six states in the Colorado River basin have agreed to plans that recognize a long-running drought, the dwindling supply of water and how they intend to cope with it.
A deal was supposed to be signed by the end of 2018, under threat that the water levels on the river would push the federal government to impose its own restrictions.
U.S. District Judge Brian Morris is presiding over a Thursday hearing on whether the moratorium should be reinstated.
President Trump has said he will roll back an Obama-era rule that would've matched federal emissions standards with California standards.
James Morrison of Tahoe, California, and Hilaree Nelson of Telluride, Colorado, scaled Mount Lhotse's 8,516-meter summit on Sunday.
Arizona water managers have been leading a series of biweekly meetings since July to work out details of the proposed drought-contingency plan.
A replacement rule from the Interior Department rescinds mandates for companies to reduce gas pollution.
The chances of a shortfall in Lake Mead, the Colorado River’s biggest reservoir, are now 57 percent, up from the 52 percent projected in May.