Is chlorine treatment new?

“Chlorine was first used in the U.S. as a major disinfectant in 1908 in Jersey City, New Jersey. Chlorine use became more and more common in the following decades, and by 1995 about 64% of all community water systems in the United States used chlorine to disinfect their water.” More information can be found on the Center for Disease Control and Prevention website.

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1. What are nitrates?
2. What is the concern about nitrate/nitrite in drinking water?
3. What is the treatment for nitrate?
4. What are resin beds in drinking water?
5. Why is water disinfected?
6. What is the filtration process for the disinfection of bacteria in drinking water?
7. What is water chlorination?
8. Is chlorine treatment new?