Alex Hager

This week, water levels in Lake Powell hit their lowest point of 2026. The nation's second-largest reservoir is stretched thin.

Phoenix-area cities say they want answers about plans for a pool of water that's stored underground as a backup during dry times on the Colorado River.

The Arizona Water Banking Authority and Valley cities are in disagreement about how a pool of underground Colorado River water should be shared.

A deal to bring Colorado River water to Native American communities in northern Arizona is being blocked by neighboring states.

By Mark Olalde and Alex Hager ProPublica and KJZZ News-Phoenix

Environmental advocates are looking for answers about a federal program to protect threatened fish in the Grand Canyon.

An important measuring site called the Charleston gage recently measured zero flow in the river. Experts say it's due to climate change and groundwater pumping.

Under the scorching sun of a June afternoon in northern Arizona, the Colorado River can be an oasis in the desert.

The Colorado River flows past Lees Ferry in Coconino County on June 17, 2026. Environmental advocates say it needs to function like a normal, healthy river to reliably deliver large volumes of clean water to cities and farms around the West.

The nation's two largest reservoirs are extraordinarily dry, and just set a new record for low water levels.