Social & Preventive Medicine According to the WHO, what is the minimum bacteriological standard for drinking water – A All the samples should not contain coliform organisms B 3 consecutive samples of water should not contain any coil forms C 3 coliforms in a 100 ml water D I coliform in a 100 ml water π‘ Explanation According to the WHO, what is the minimum bacteriological standard for drinking water - β Correct Answer: A. All the samples should not contain coliform organisms