Page 39 - Fair, Geyer, and Okun's Water and wastewater engineering : water supply and wastewater removal

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Total 52,110 286,451,204 100% 100% 18,839 6,334,292 100% 100% 84,744 13,751,860 100% 100% 155,693

Very Large ( 100,000) 398 128,607,655 1% 45% 1 203,000 0% 3% 3 2,869,000 0% 21% 402

(10,001–100,000) 105,195,727

Large 3,702 7% 37% 22 533,845 0% 8% 15 424,662 0% 3% 3,739

Medium (3,301–10,000) 4,822 27,942,486 9% 10% 120 639,561 1% 10% 102 546,481 0% 4% 5,044

Small (501–3,300) 13,906 19,848,329 27% 7% 2,662 2,710,330 14% 43% 2,751 2,681,373 3% 19% 19,319 2 Nontransient noncommunity water system: a public water system that regularly supplies water to at least 25 of the same people at least 6 months per year, but not year-round. Some ex- 3 Transient noncommunity water system: a public water system that provides water in a place such as a gas station or campground where people do not remain for long periods of time.
U.S. Public Water Systems Size by Population Served in 2007

Very Small (500 or less) 29,282 4,857,007 56% 2% 16,034 2,247,556 85% 35% 81,873 7,230,344 97% 53% 127,189 1 Community water system: a public water system that supplies water to the same population year-round.

No. of systems served Population Percentage of systems Percentage of population No. of systems served Population Percentage of systems Percentage of population No. of systems served Population Percentage of systems Percentage of population amples are schools, factories, office buildings, and hospitals have their own water systems. Courtesy U.S. Environmental Protection Agency.

Table 1.1 Water System Community water system 1 Nontransient noncommunity water system 2 Transient noncommunity water system 3 Total no. of systems Source:

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