Figure 5.1: Regional Water Deficits: Billions of Gallons Per Day

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Despite an abundance of water nationally, rapid population growth will cause the extent and severity of regional water deficits to spread more rapidly than they would with slower population growth. This is the case even assuming maximum development of water storage facilities and tertiary treatment of waste water.
Chart shows projected effects of growth at 2-child and 3-child rates.
Estimates assume rapid economic growth.

Source: Derived from Ronald G. Ridker, "Future Water Needs and Supplies, with a Note on Land Use" (prepared for the Commission, 1972).