Syn: potable water. Water that is safe and fit for drinking without risk of disease caused by pathogens or chemical contaminants. Water is essential to life. The required daily intake varies with environmental conditions and physiological demands. On average, an adult weighing 70 kg has a minimum daily requirement of 2.5 liters, more if fluid loss is increased by sweating in hot conditions or hard physical work.
Subjects: Public Health and Epidemiology.