The Colorado River Compact was signed after several wet years, leading states and the federal government to overestimate the river’s flows. But data shows that over most of the last 100 years, the river’s flows have been well below their pre-compact levels.

Colorado River

Compact signed

in 1922

Note: Data is provisional and subject to change. Data for 2021 is preliminary.

The Colorado River Compact was signed after several wet years, leading states and the federal government to overestimate the river’s flows. But data shows that over most of the last 100 years, the river’s flows have been well below their pre-compact levels.

Colorado River

Compact signed

in 1922

Note: Data is provisional and subject to change. Data for 2021 is preliminary.

The Colorado River Compact was signed after several wet years, leading states and the federal government to overestimate the river’s flows. But data shows that over most of the last 100 years, the river’s flows have been well below their pre-compact levels.

Colorado River Compact signed in 1922

Note: Data is provisional and subject to change. Data for 2021 is preliminary.

The Colorado River Compact was signed after several wet years, leading states and the federal government to overestimate the river’s flows. But data shows that over most of the last 100 years, the river’s flows have been well below their pre-compact levels.

Colorado River Compact signed in 1922

Note: Data is provisional and subject to change. Data for 2021 is preliminary.