Upper Basin states argue they don’t have the legal authority to significantly reduce flows to water users on their own under the 1922 Colorado River Compact, unlike Lower Basin states.

and California — and Upper Basin states — Colorado, New Mexico, Utah, and Wyoming — did not appear on a panel together or meet during the conference to negotiate the future of the Colorado River.

Two factions of states are in a disagreement over who gets how much water from the Colorado River after legislation expires ...

The compact states that its major purpose is “for the equitable division and apportionment” of Colorado River water uses between the Upper Basin (Colorado, New Mexico, Utah and Wyoming ...

LAS VEGAS — The states that share the shrinking Colorado ... to the Upper Basin. Subsequent treaties and laws awarded another 1.5 million acre-feet to Mexico, where the river ends and is drained ...

Utah and New Mexico to take credit for water savings that will flow into and be stored in the upper Colorado River basin reservoirs. The agreement could also resolve one criticism of the conservation ...

But Upper Basin states — Utah, Wyoming, New Mexico and Colorado — say the hydrology of the river shows there's less for everyone and they can't make any more cuts. Becky Mitchell, the Colorado ...

California and Nevada — and the other featuring the Upper Basin — Colorado, New Mexico, Utah and Wyoming. The gulf between the groups was palpable, measured by applause. The Lower Basin doubled down ...

The Upper Basin states of Colorado, New Mexico, Utah and Wyoming insist they’ve always used far less than the Southwest states and would be unable to grow if they cut into what they use now. State ...

which receives about one-third of the Colorado River’s flow, concern about the drought isn’t top of mind like it is in Arizona and Nevada. The same can be arguably said about the Upper Basin ...

Uncertainty has settled in regarding the river's future as climate change and increased development have reduced water flow ...