Figure 9.3: United States water withdrawals from all sources (1950-2010) 300 Total withdrawals (see right axis) 250 200 150 100 50 0 1950 1955 Note: 1 billion gallons = 3.8 million m3
Source: Maupin et al. (2014, p. 46). Public supply
1960 1965 1970 1975 Rural domestic and livestock . Figure 9.4: Global hydrogeological map illustrating various aquifers and groundwater resources 1980 Years Irrigation Thermoelectric power Other 1985 1990 1995 2000 2005 2010
500 450 400 350 300 250 200 150 100 50 0
9
Source: BGR and United Nations Educational, Scientific and Cultural Organization [UNESCO] (2008). Freshwater 241