Parameters

Rainy season

Dry season

Mean (X ± SD)

Mean (X ± SD)

Total coliforms ( cfu /100ml)

20.06 ± 25.29

3.10 ± 6.02

Fecal coliforms (cfu/100 ml)

10.46 ± 14.67

1.64 ± 2.78

Escherichia coli (cfu/100ml)

3.96 ± 6.63

0.66 ± 1.57

Fecal Streptococci (cfu/100ml)

0.37 ± 138

0.13 ± 0.82

Table 4: Average number of colonies forming units (cfu) per 100 ml of water of sources across the different seasons, Bukavu 2011, eastern of Democratic Republic of Congo.