Water use in the basin has increased steadily over the course of the 20th century. Higher demand has outpaced the level of new water supply coming into the system, and this imbalance explains, in part, the depletion of the system’s main reservoirs.
Annual Colorado River Basin supply and use
Total basin water supply
Total basin water use
25 million acre-feet
20
15
10
5
0
1920
1940
1960
1980
2000
2019
Note: Data is provisional and subject to change.
Water use in the basin has increased steadily over the course of the 20th century. Higher demand has outpaced the level of new water supply coming into the system, and this imbalance explains, in part, the depletion of the system’s main reservoirs.
Annual Colorado River Basin supply and use
Total basin water supply
Total basin water use
25 million acre-feet
20
15
10
5
0
1920
1940
1960
1980
2000
2019
Note: Data is provisional and subject to change.
Water use in the basin has increased steadily over the course of the 20th century. Higher demand has outpaced the level of new water supply coming into the system, and this imbalance explains, in part, the depletion of the system’s main reservoirs.
Annual Colorado River Basin supply and use
25 million acre-feet
20
15
10
5
Total basin water supply
Total basin water use
0
1920
1940
1960
1980
2000
2019
Note: Data is provisional and subject to change.
Water use in the basin has increased steadily over the course of the 20th century. Higher demand has outpaced the level of new water supply coming into the system, and this imbalance explains, in part, the depletion of the system’s main reservoirs.
Annual Colorado River Basin supply and use
25 million acre-feet
20
15
10
5
Total basin water supply
Total basin water use
0
1920
1940
1960
1980
2000
2019
Note: Data is provisional and subject to change.