Topics for investigation:
The water supply of farms in your locality. Any recent improvements.
The public water supply (if any) of your community. Its sources. Method of purification. Quality of water. How the people know it is pure or impure. Public or private ownership of the supply. Cost to the householder.
Extent to which the families represented in your class depend upon private wells. How many have had their well water examined to test its purity. How to proceed to have water tested. Who tests it? Who pays for the test? (If possible, visit the laboratory where the tests are made.)
Number of cases of typhoid fever in your community, now or during last year. How the information can be obtained. Is the information likely to be accurate? Whose business is it to keep a record? Why should a record be kept? Why should it be made public?
Causes of typhoid in your community. Are they preventable? How?
Observance of quarantine against typhoid.
How may wells become polluted? Give cases of which you may know.
Study diagram on page 314.
Methods of sewage disposal in your community. Laws on the subject.
Can you suggest improvements?
Regulation of milk production and handling in your community: on the farms where it is produced; in the hands of dealers and distributors; in the home. Who make these regulations?
Outline on a map the area from which your community is supplied with milk. Show on a map cities that are supplied by your county with dairy products, garden vegetables, meats, etc.