FARM SANITATION 485 



hog, 3 gallons ; and a sheep, less than 3 gallons. Dairy cows 

 giving milk require additional water in proportion to the 

 amount of milk given. Where sanitary plumbing is installed, 

 about 20 gallons of water per day will be consumed for each 

 person, large or small, and for all purposes, including the 

 laundry. 



QUESTIONS 



1. Into what divisions or heads may the subject of farm water 

 supply be divided? 



2. What are the principal sources of water supply on the farm? 



3. Explain how surface and deep wells are dug or drilled and curbed 

 or cased. 



4. Describe how the well should be protected from contamination. 



5. When may springs, running water, and lakes be used as a source 

 of water supply? 



6. How may the daily consumption of water be estimated? 



7. Estimate the amount of water required on the home farm. 



