Introduction - Hydro-Environmental Analysis: Freshwater Environments - page 9

r

Montana

North Dakota

Minnesota

Wisconsin Massachusetts

Rhode Island
Connecticut
New Jersey
Delaware
Maryland

South Dakota

Iowa

Nebraska

District of Columbia

I l l i n o i s

Kansas

M i s s o u r i

K e n t u c k y

Te n n e s s e e

Explanation

Oklahoma

Arkansas

Water withdrawals
and/or deliveries
(million gallons
per day)

Te xas

0-50
50-250
250-500
500-1,000
1,000-4,500

Hawaii

Louisiana

Alaska U.S.

Virgin
Islands

Puerto
Rico

We st East

5,000

4,000

3,000

2,000

1,000

0

To tal withdrawals Total deliveries

FIGURE 1.6 Total irrigation withdrawals in the United States. (From Hutson, S.S., Barber, N.L., Kenny,
J.F., Linsey, K.S., Lumia, D.S., and Maupin, M.A., USGS Circular 1344, U.S. Geological Survey, Washington,
DC, 2005.)

• State water laws

• Federal law (Clean Water Act, Endangered Species Act, etc.)

• Negotiations (federal, state, tribal, and users)

• Technology: water reuse, conservation, and aquifer storage and recovery (ASR)