per capita water requirement
1 6. 2  Domestic water demandï§ water required in the houses for drinking, bathing, cooking, washing etc.ï§ mainly depends upon the habits, social status, climatic conditions and customs of the people.ï§ As per IS: 1172-1963, under normal conditions, the domestic consumption of water in India is about 135 litres/day/capita. Domestic water demandï§ water required in the houses for drinking, bathing, cooking, washing etc.ï§ mainly depends upon the habits, social status, climatic conditions and customs of the people.ï§ As per IS: 1172-1963, under normal conditions, the domestic consumption of water in India is about 135 litres/day/capita. 2  7.