Guideline Values For Bacteriological Quality (Cpheeo)

Organism Guideline value

All water intended for drinking

 

E.Coli or thermotolerant coliform bacteria

Must Not be detectable in any 100ml sample

Treated water entering the distribution system

 

E.Coli or thermotolerant coliform bacteria

Total Coliform Bacteria

Must Not be detectable in any 100ml sample

Must Not be detectable in any 100ml sample

Treated water entering the distribution system

 

E.Coli or thermotolerant coliform bacteria

Total Coliform Bacteria

Must Not be detectable in any 100ml sample

Must Not be detectable in any 100ml sample. In case of large supplies, where sufficient samples are examined, must not be present in 95% of samples taken throughout any 12 month period

Source : W.H.O. guidelines for Drinking Water Quality Vol.1-1993.
For further guidance and help Contact:-
Chief Chemist
State Reaserch Laboratory- PHED
2 MGD Water Filter Plant Campus
Near Lake View Ashoka Hotel
Shyamala Hills Bhopal
Tele.no.-2661541