Treating water helps to relieve it of bacteria and chemicals which can
be harmful to human health, or just plain unpleasant. Without this
bacteria and dirt, water becomes much safer for drinking. The fewer
chemicals that are present generally, the more healthy it is for you,
reducing the chance of teeth cavities and illness. Cleaner water also
helps pipes and plumbing to last longer.

Luckily, there are several ways to ensure cleaner water. A variety of
chemicals are used in the treatment process which kill specific bacteria
and remove any impurities. Here are a few of the water treatment
chemicals used and some details on their purposes.