Question

Why is drinking water usually treated before it comes out of your faucet?

Answer 1

At the treatment plant, chlorine is added to the water to kill bacteria; aluminum sulfate is added to coagulate organic particles; then the water is put into a settling basin to let the precipitate settle; the water it is filtered through sand filters; the water is treated ..

Answer 2

the reason that drinking water is treated before it comes out of the faucet is so that we know if the water is safe to drink.