In most houses, especially in cities water come through pipes the water is obtained from a nearby water body and sent to a water treatment plant. Once treated and purified the water is distributed throughout the taps in our houses, from where we can get the water supplied through the pipes. In some houses, piped water supply is available only at a certain times in a day. Hence. It is necessary to store water in overhead tanks that it is because freely used all the time.

{Purification of water}

Purification of water is very essential before consuming it. Water can be purified by following methods: 

             Boiling

Water should be boiled for fifteen minutes to kill the germs and bacteria.

          Filtration

It is a common method of water purification. In this method, water is passed through a filering device to remove impurities like dust and germs. The traditional water filter used two or three pots One upon the other to filter water. 

     Water purification 

1. Boiling 2. Chlorination 3. Filtration.

  Chlorination 

Chlorination tablets are mixed in water to kill germs.