FACTS ABOtJT WATER 



265 



Amount of Water Used. The amount of water required daily 

 for each person in a family is estimated at from one gallon to four 



STAND 



PIPE 



FIG. 166a. Why does the water in the stand pipe never run over the top? 

 Why is it necessary to have the standpipe higher than the houses? How 

 far away is the standpipe or reservoir from your home? 



gallons. Cities which do not have large manufacturing establish- 

 ments construct water plants which are able to furnish fifteen gallons 



PIG. 1666. Why is it necessary to have a pumping station? What kind of 

 pump would be used in a pumping station? 



of water per person. In large manufacturing places water plants 

 are so constructed as to furnish 200 or more gallons for each inhabi- 

 tant. 



