From Longman Dictionary of Contemporary Englishdrinking waterˈdrinking ˌwater ●○○ noun [uncountable] DFDwater that is pure enough for you to drink
Examples from the Corpus
drinking water• He warned Lennie about drinking too much water and drinking water that was not running.• A billion people in the world will not have access to clean drinking water.• Antibiotics and hormones used in human drugs have been detected in drinking water and our rivers.• As for radon, Rudy said looking for radon in drinking water would be extremely expensive and might not help public health.• And if our drinking water looked cloudy, we just let the tap run longer.• For Motijhil boasts paved roads, electricity, a proper drinking water supply and sewage.• In that space we had stowed drinking water. 