Water cuts loom as US unveils Colorado river crisis response

The US government on Friday released its long-awaited proposal to manage the Colorado River crisis, outlining mandatory water supply cuts for California, Arizona and Nevada while sparing the upper basin states for now. The plan from the Bureau of Reclamation is a temporary measure to prevent the river system from collapsing, coming just months before the current legal framework governing the waterway is set to expire.

A plan built for flexibility

Under the 10-year federal framework, the Lower Basin states could face annual cuts of up to 3 million acre-feet — roughly 40% of their collective water allotment. That is enough water to serve more than 25 million people each year. The plan also allows annual releases from Lake Powell, the system's second-largest reservoir, to range between 5 million and 12 million acre-feet.

Water management decisions would be made every two years, according to the Department of the Interior. The agency is expected to issue a formal record of decision in the coming week, detailing short-term operations that are likely to mirror a proposal by the Lower Basin states earlier this year to shave 3.2 million acre-feet from their combined use over 2027 and 2028.

Decades of overuse catch up

The Colorado River has been overdrawn for more than a century. A 1922 compact divided the river among seven states, but it granted rights to more water than the system actually holds. With climate change and prolonged drought shrinking the river's flow, that structural deficit has become a full-blown crisis.

Lake Powell and Lake Mead, the two largest reservoirs on the river, have reached record lows. Even an exceptionally wet winter would be unlikely to restore the system to healthy levels. The Bureau of Reclamation, which operates the dams at both reservoirs, has the authority to adjust releases and reduce deliveries, a power that underpins Friday's proposal.

Sparing the upper basin — for now

The plan notably avoids mandatory cuts for Colorado, Utah, New Mexico and Wyoming, the Upper Basin states. Experts say that is because the dams at Lake Powell and Lake Mead are managed by the federal government and supply water downstream, giving the Bureau direct leverage over Lower Basin allocations.

Interior Secretary Doug Burgum called the framework a way to respond to changing hydrologic conditions while preserving opportunities for states to reach a durable, consensus-based solution. But the reprieve for the Upper Basin may be short-lived, as the river's overall decline affects everyone who relies on it.

A lifeline for 40 million people

The Colorado River and its tributaries supply water to roughly 40 million people across seven US states, two countries and dozens of tribal nations. Major cities like Las Vegas, Phoenix and Los Angeles depend on it, as do 5.5 million acres of farmland. The new plan is meant to keep those taps flowing, but at a reduced rate.

The cuts represent a significant shift in how the river is managed, yet they are widely considered a stopgap. The underlying problem — a legal framework built on a wetter era and a century of overallocation — remains unresolved.

What happens next

The federal government will finalize its decision in the coming week, but the real test lies ahead. The seven basin states must still negotiate a long-term agreement before the current rules expire. Friday's plan gives them a temporary baseline, but it does not end the fight over how to share a shrinking resource.

As the reservoirs continue to drop and the political pressure mounts, the durability of any fix will depend on whether states can move beyond short-term compromises and confront the hard choices required to secure the river's future.