Introduction - Hydro-Environmental Analysis: Freshwater Environments - page 6

Souris-Red-Rainy

Pacific
NorthWest

0.5
6.5

11.2
276.2

Great
Lakes

0.6
78.4

Missouri

1.9
74.3

17.5
62.9

Upper
Mississippi

Great Basin

2.3
77.2

Explanation

3.5
10.0

Upper
Colorado

Ohio 1.3

80.7

Billion gallons per day
1995 consumptive use
renewable water supply

11.0
68.7

2.3
139.6 4.2

13.9

25.8
74.6

Arkansas-White-Red

Consumptive use as a
percentage of renewable
supply

Lower
Colorado

9.6
68.7

0.3
41.2

Lower

10.6 ∗
10.3

Rio
Grande

Hawaii 0.5

7.4

Mississippi

40.3 ∗ ∗
464.8

3.8
5.4

0-10

6.1
233.5

Te xas-Gulf

10-40

9.1
33.1

40-100

0.03
975.5

>100

Alaska

Caribbean 0.2

5.1

Represents entire Colorado River Basin
Represents entire Mississippi River Basin

∗
∗∗

FIGURE 1.4 Consumptive use and renewable water supply in the United States, by water-resources region. (From USGS, National Water Summary 1983—Hydrologic
events and issues, U.S. Government Printing Ofice, Washington, DC, 1984b.)