Do you think about it if you turn on the water tap in kitchen or bathroom from where the wet comes from? For us in central Europe clean drinking water is natural. The World Health Organisation WHO speaks of a need of two liters of water for a 60 kilogram adult and of one liter for a ten kilogram child. Many countries of the world a far away from guarantee this necessities. In Europe a daily requirement of 140 to 160 liters is the normal. In the most countries in the world it is the most natural thing that women are walking for many hours to bring the water. If this clean and healthy that’s the other question. A bore well that delivers clean and healths water don’t cos a fortune. In India only 500 Euros!