PART EIGHT— FARM SANITATION 



CHAPTER LXXIV 

 THE FARM WATER SUPPLY 



The subject of farm water supply easily divides itself into 

 the following heads, each of which will be discussed in turn : 



1. The source of supply. 



2. The quantity required. 



3. The pumping plant. 



4. The distribution system. 



5. The storage tank or reservoirs. 



The Source of Water Supply. The first requisite of a 

 suitable source of water supply is that it shall furnish pure 

 water. It is fully realized at the present time that one of the 

 most important places where the health of the family is to 

 be guarded is the water supply, for so many diseases are 

 traceable to polluted water. It is not so essential that water 

 be pure chemically as that it be free from all germs which 

 may cause trouble in the human system. Water may con- 

 tain a considerable percentage of certain mineral salts and yet 

 be quite healthful. On the other hand, water may be quite 

 free from all salts or mineral matter, be clear, cool, and spark- 

 ling, and still be filled with deadly typhoid or other disease 

 germs. 



Wells. The well is the most common source of water 

 supply for the farm. Wells are divided primarily into two 

 classes, with reference to their depth, as shallow and deep 

 wells. The shallow well refers to those either dug by hand 



480 



