How the Colorado River’s water is divided up

The Upper and Lower Colorado River Basins are each allocated 7.5 million acre-feet of water per year. Mexico also receives 1.5 million acre-feet of water annually.

Upper Basin states are entitled to a percentage of the Upper Basin’s overall water allocation. Meanwhile, Lower Basin states and Mexico are apportioned a set amount of water each year.

Colorado

51.75%

Upper Basin

7.5 million

acre-feet/year

Utah

23%

Wyoming

14%

11.25%

New Mexico

California

4.4M

Lower Basin

7.5 million

acre-feet/year

Arizona

2.8M

Nevada

300K

Mexico

Mexico

1.5 million

acre-feet/year

1.5M

Note: Arizona is also allocated an additional 50,000 acre-feet/year from the Upper Basin, because a small part of the state lies in the Upper Basin.

How the Colorado River’s water is divided up

The Upper and Lower Colorado River Basins are each allocated 7.5 million acre-feet of water per year. Mexico also receives 1.5 million acre-feet of water annually.

Upper Basin states are entitled to a percentage of the Upper Basin’s overall water allocation. Meanwhile, Lower Basin states and Mexico are apportioned a set amount of water each year.

Colorado

51.75%

Upper Basin

7.5 million acre-feet/year

Utah

23%

Wyoming

14%

11.25%

New Mexico

California

4.4M

Lower Basin

7.5 million acre-feet/year

Arizona

2.8M

Nevada

300K

Mexico

Mexico

1.5 million acre-feet/year

1.5M

Note: Arizona is also allocated an additional 50,000 acre-feet/year from the Upper Basin, because a small part of the state lies in the Upper Basin.

How the Colorado River’s water is divided up

The Upper and Lower Colorado River Basins are each allocated 7.5 million acre-feet of water per year. Mexico also receives 1.5 million acre-feet of water annually.

Upper Basin states are entitled to a percentage of the Upper Basin’s overall water allocation. Meanwhile, Lower Basin states and Mexico are apportioned a set amount of water each year.

Colorado

51.75%

Upper Basin

7.5 million

acre-feet/year

Utah

23%

Wyoming

14%

11.25%

New Mexico

California

4.4M

Lower Basin

7.5 million

acre-feet/year

Arizona

2.8M

Nevada

300K

Mexico

Mexico

1.5 million

acre-feet/year

1.5M

Note: Arizona is also allocated an additional 50,000 acre-feet/year from the Upper Basin, because a small part of the state lies in the Upper Basin.

How the Colorado River’s water is divided up

The Upper and Lower Colorado River Basins are each allocated 7.5 million acre-feet of water per year. Mexico also receives 1.5 million acre-feet of water annually.

Upper Basin states are entitled to a percentage of the Upper Basin’s overall water allocation. Meanwhile, Lower Basin states and Mexico are apportioned a set amount of water each year.

Colorado

51.75%

Upper Basin

7.5 million acre-feet/year

Utah

23%

Wyoming

14%

11.25%

New Mexico

California

4.4M

Lower Basin

7.5 million acre-feet/year

Arizona

2.8M

Nevada

300K

Mexico

Mexico

1.5 million acre-feet/year

1.5M

Note: Arizona is also allocated an additional 50,000 acre-feet/year from the Upper Basin, because a small part of the state lies in the Upper Basin.