Block · one region of the page, as the scanner read it. It may hold a whole story, part of one, several, or an advertisement; stitching blocks into articles is the next step. Text is supplied OCR.
Page 5 · column 7 of 9 · from the scan, no model involved
time and place or it will not be of the right quality unless we build many more water storage reservoirs and do a better job of treating our waste water before discharging it in to our streams. Industry and agriculture are the major users of water in the United States. The largest single use of water is for irrigation of food crops. About 18,000 gallons of water are used each day for and by each person in the nation ( to produce his automobile, aircondi tion his office, to water his lawn, to satisfy his thirst, for example). A« our population increases the total number of gallons of water needed will increase, but the amount of water available will remain the same. Yes, you read right. The number of people will increase so the number of gallons of water needed will increase, but the amount of water available will remain the same, j Who pollutes water? Well, jwe all do to a degree. Each iperson contributes about half a pound of human waste each day. As the population increases, so does the total torr nage of waste that must be handled by waste treatment plants. The pollution problem is growing faster than the ability to store clean, unpolluted water. How safe is our water supply; U. S. Public Health Service standards for water quality are based on chemical, physical, and biological qualities. In most cases, the standard of each state rloselv follows
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