Potable water is defined as :-
- Drinking water, also known as potable water, is water that is safe to drink or to use for food preparation. - 'Potable water' is defined as: zero coliforms in any amount of drinking water. - Bacteriological indicators of water quality in India: Coliforms -Overall best indicator. Fecal streptococci - Indicate recent contamination of drinking water. Clostridium perfirenges - Indicate remote contamination of drinking water.
Environment
Zero coliforms per 100 ml
One coliform per 100 ml
10 coliforms per 100 ml
100 coliforms per 100 ml
Zero coliforms per 100 ml