How are the tanks useful?

Water tanks are storage for containing water. It is a best conservative measure of water conservation. These stored water can be used for many purposes such as drinking water, washing purposes, irrigation, harvesting, and many more. The tanks used are made up of plastics, fiberglass, concrete, stone, steel, and many more. These stored water can be used for municipal uses and household. It should be used for emergency supply. In many countries, water tanks are Earthen pots known as 'Matki'.

Also Read :- How were the tanks built?