A survey had revealed that over 70% of drinking water sources contained high levels of coliform bacteria, largely due to improper disposal of human waste. https://english.mathrubhumi.com/news/kerala/rising-coliform-bacteria-in-water-sources-sparks-concern-amid-amoebic-meningitis-cases-wells-near-septic-pits-could-be-breeding-grounds-q2ovo4nt?utm_source=dlvr.it&utm_medium=mastodon #ColiformBacteria #AmoebicMeningitis #KeralaNews