8.3 : Commercial Sector Water Consumption




8.3.1 Commercial Water Use by Source (Million Gallons per Day)
Year Total Commercial Water Use Public Supply (1) Self-Supply (2)
1980 - - -
1985 6,940 5,710 1,230
1990 8,290 5,900 2,390
1995 9,580 6,690 2,890
2000 (3) 10,314 7,202 3,111
2005 (3) 10,171 7,102 3,068
Note(s): 1) Public supply water use: water withdrawn by public and private water suppliers that furnish water to at least 25 people or have a minimum of 15 connections. 2) Self-supply water use: Water withdrawn from a groundwater or surface-water source by a user rather than being obtained from a public supply. 3) USGS did not estimate commercial water use in this year. Estimates are based on available data and percentage breakdown of commercial use in the 1995 survey.









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