Health Hygiene & Sanitation

Lesson 22 : Water (Need, Uses, Sources)

Need Of Water

The basic physiological requirement of drinking water for survival has been estimated to be about 2 litres per head per day. But for public health and improvement of the quality of life, water should be provided in adequate volume to reduce the incidence of water-related diseases among the people at risk. The consumption of water depends upon climatic conditions, standard of living, habits of the people, occupation of people and access to water.