SummaryFollowing Indore’s diarrhea outbreak linked to E. coli–contaminated water, similar incidents have surfaced across India. Cases of polluted drinking water have been reported from Greater Noida, Gandhinagar, Hyderabad, Rohtak–Jhajjar and Bhopal. Sewage mixing and fecal contamination have triggered illnesses, typhoid risks and groundwater bans, prompting investigations and emergency measures by civic authorities.