IWA Publishing

Table 1

Microbiological parameters of water flowing to and from the water storage tank

Parameter	Mean		SIG. (α = 0.05)
Parameter	Tank inflow	Tank outflow	SIG. (α = 0.05)
E. coli (CFU/100 ml)	0	0	N/A
Faecal coliforms (CFU/100 ml)	0	1	0.001*
Total coliforms (CFU/100 ml)	0	19 ± 2	<0.001*
Heterotrophic bacteria (CFU/100 ml)	0	772 ± 104	<0.001*

Parameter	Mean		SIG. (α = 0.05)
Parameter	Tank inflow	Tank outflow	SIG. (α = 0.05)
E. coli (CFU/100 ml)	0	0	N/A
Faecal coliforms (CFU/100 ml)	0	1	0.001*
Total coliforms (CFU/100 ml)	0	19 ± 2	<0.001*
Heterotrophic bacteria (CFU/100 ml)	0	772 ± 104	<0.001*

*Significant difference; N/A = Not applicable.