1. Table Estimated water withdrawals by major water use in the U.S., 2000 (million gallons per day)
Source
Fresh Water
Saline Water
Total
Public Supply
43,300
Domestic Private
3,590
Irrigation
137,000
Livestock
1,760
Aquaculture
3,700
Industrial
18,500
1,280
19,780
Mining
2,010
1,490
3,500
Thermoelectric Power
136,000
59,500
195,500
TOTAL
345,000
62,300
408,000
Source: U.S. Geological Survey, Estimated Use of Water in the United States in 2000 By Susan S. Hutson, Nancy L. Barber, Joan F. Kenny, Kristin S. Linsey, Deborah S. Lumia, and Molly A. Maupin USGS Circular 1268, 15 figures, 14 tables (released March 2004, revised April, 2004, May 2004, February, 2005.
(U.S. Geological Survey, Information Services, Denver, CO, USA).

2. Losses with Marginal Cost Pricingpx
AC(X1) R
Dw = AR
Losses with Marginal Cost Pricing a px a AC
ACc b c MC Px X1 Xa Xc X MR
Figure Natural monopoly and average cost pricing.

3. $ W a Pp DW W Q W * Withdrawal Quota
W Q
W * W
Figure private single user irrigation pumping cost and use.

4. $ MC AC W
Figure Increasing costs over time and marginal cost pricing.

5. Figure 18.4. A simple water market.$ W
(a)
(b)
(c)
Water Suppliers
Market Water Demand and Supply W
(c) $
(e)
(d)
Market Water Demand and Supply
Water Demanders
Figure A simple water market.