This graph, charted in 1970, shows the decline in typhoid cases in Denver as water treatment advanced, first with filtration and finally with the addition of disinfectants. Today, thanks to advanced water treatment and disinfection, typhoid and other water-borne illnesses are almost nonexistent in the developed world.

Disinfection saves lives

August 17, 2018 | By: Ann Baker

Reports that claim drinking water contains carcinogens lack the facts.