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Table 2

Microbiological characteristics of drinking water (ISIRI 2007; WHO 2011)

Microbiological parameters	Unit	Admissible limit in Iranian standards	WHO guidelines
Fecal coliforms	MPN/100 mL	Negative	Negative
Total coliforms	MPN/100 mL	Negative	Negative

Microbiological parameters	Unit	Admissible limit in Iranian standards	WHO guidelines
Fecal coliforms	MPN/100 mL	Negative	Negative
Total coliforms	MPN/100 mL	Negative	Negative