Chlorination is a water treatment that destroys disease-causing bacteria, nuisance bacteria, parasites and other organisms.
Chlorination also removes soluble iron, manganese and hydrogen sulfide from water.
Disease-causing bacteria can infect humans and animals in several ways. Fecal waste from an infected host frequently carries organisms which cause diseases such as typhoid fever, paratyphoid fever, bacillary dysentary, infectious hepatitis and others. Disease-causing organisms are transmitted from host to host in many ways including through a contaminated water supply. There is no substitute for a safe and sanitary water supply. If your water supply becomes contaminated, elimination of the source of contamination is the most permanent solution.