Everyone needs water and drinking the right amount of water in right constraints is important. If you drink impure water, then it is possible to get tangled in web of diseases. Impure water is a big source of various harmful diseases like diarrhea, cryptosporidium, dysentery, cholera, etc.
The quality of the water you are drinking is important and it depends on dissolved solids, impurities, cysts and minerals in the water. If your water is impure and doesn’t have minerals in it, then there is no benefit in drinking that water. It is just a medium to transmit the diseases. So, to drink pure water you need a purifier to clean your intake. You must drink pure water in order to quench your thirst and remain healthy. It must be contamination free.