Bulletin A-72 covers the subject of our drinking water. Recognizing the Problem, Water Quality Standards, Testing the Water, Contaminants in Drinking Water, Collecting Samples to Test for Bacteria, Understanding the test results, Some Short-Term Solutions, Inspecting Your Water Source, Dug Well or Spring, Other Sources, Disinfecting After repair Work, Continuous Chlorination, Treating Inorganic Contamination, Removing Suspended Matter, Sand Filters + More.