Venkata chalapathi naiduKnowledge Contributor									
															
						The maximum desirable limit Bureau of Indian Standards (BIS) of lead in the drinking water is
													The maximum desirable limit Bureau of Indian Standards (BIS) of lead in the drinking water is												
												
												
		 
                    
Drinking water gets contaminated with lead when lead pipes are used for transportation of water. The prescribed upper limit concentration of lead in drinking water is about 50 ppb.