Colorado River: Federal plan mandates water cuts for Lower Basin states

The U.S. federal government has proposed a sweeping new water management plan for the Colorado River following a prolonged megadrought and a failure among basin states to reach a consensus. The proposal aims to address systemic overuse and the risk of reservoirs like Lake Mead and Lake Powell reaching “dead pool” levels, which would halt hydroelectric power generation.

The plan imposes significant mandatory water reductions on the Lower Basin states—Arizona, California, and Nevada—while Upper Basin states (Colorado, New Mexico, Utah, and Wyoming) are currently subject only to voluntary targets. Under the proposal, Arizona and Nevada could face the steepest cuts, with some estimates suggesting Arizona could see a 31 percent reduction and Nevada a 28 percent reduction in its allocation. California is projected to cut back by approximately 12 percent.

Regional leaders have expressed significant friction regarding the distribution of the burden. Officials in Nevada have criticized the plan as unjust, noting that the state has already implemented significant conservation efforts and that the proposal places the weight of reductions on a minority of the states sharing the river. The federal strategy includes a reassessment of water usage every two years to ensure adaptability to changing drought conditions through 2036.