FARM DAIRYING 



When the pernicious practice of sinking the well 

 in the stable or barnyard is followed, the amount 

 of manure, the rainfall, and the porosity of the 

 soil will determine the extent of contamination. 

 Only in very exceptional cases can such a well es- 

 cape pollution. 



The well must be sunk at a safe distance from 

 possible sources of pollution, and be properly con- 

 structed to keep surface water, rats, frogs, etc., 

 from getting in. One cannot say how far a well 

 should be located from out-houses and like dan- 

 gerous sources of harm. For a time the soil acts 

 as a filter, but gradually it becomes saturated with 

 the seepage, which will in time find its way to the 

 well, and the water is sure to be more or less in- 

 fected. The older the well the greater the danger. 



The household slops should not be thrown on 

 the soil near the well, neither should the well be 

 used as a cold-storage receptacle. Something is 

 sure to be spilt into it at some time. 



It is better to have the watering trough some 

 little distance from the well, otherwise the horses 

 and cattle are apt to make a muddy pool be- 

 side it. 



The farmer must have a concern beyond his 

 own family interest, when studying his water sup- 

 ply. The health of large communities is depend- 



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