Faecal coliform bacteria are a group of microorganisms found in the intestines of humans and animals. Their presence in water indicates contamination from sewage or animal waste. While not all coliform bacteria are harmful, their detection raises concerns about the potential presence of dangerous pathogens like viruses, Salmonella, and E. coli. Read more: https://health.economictimes.indiatimes.com/news/industry/faecal-bacteria-levels-above-norms-in-prayagraj-during-maha-kumbh-says-cpcb-doctors-raise-red-flag-over-medical-problems/118384700