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Drinking water is found in rivers. Ground water can also be used for various purposes.
Drinking water
The most important element is minarels. Oxygen and CO2 mixed together becomes water.
It is used to disinfect drinking water in municipal water systems.
Most of the water used for human consumption is found in rivers, lakes, and groundwater sources. These are the primary sources from which water is extracted and treated for drinking and other domestic purposes.
UNDERGROUND
most of the drinking water come from the rain and puts it in the ground and that's where your drinking water come from
Cholera is the most deadly disease you can get from drinking unsafe water.
In most communities, tap water is safe for drinking.
Chlorine. A molecule of chlorine has the ability to disproportionate in water. That is it simultaneously oxidises and reduces. Cl2 = Cl-Cl = Cl^(-) + Cl^(+) Disproportionation). Cl2 + H2O = HCl(reduced) + HClO(oxidised). At a water treatment plant, chlorine gas is bubbled through water, in order to act as a bacteriocide, so the water is drinkable/potable. Household water contains minute traces of hydrochloric acid(HCl) and hypochlorous acid(HClO). It is the hypochlorous radical 'ClO^(-)' that is found in bleach. (NaClO or Ca(ClO)2
The most important usage for water is drinking and bathing.
river