Microbiological Quality and Contamination Level of Water Sources in Isiolo County in Kenya
Table 7
Level of microbial contamination in chlorinated urban water sources.
Sample
Coliforms (Log Cfu/ml)
Escherichia coli (Log Cfu/ml)
Clostridium pafringens (Log Cfu/ml)
Staphylococcus aureus (Log Cfu/ml)
TAP5
200±4.9a
0.0±0.0a
0.0±0.0a
475±30.67b
TAP4
430±10.8a
23±0.67c
0.0±0.0a
0.0±0.0a
TAP3
710±23.6a
13±1.9b
0.0±0.0a
0.0±0.0a
TAP 1
0.0±0.0a
0.0±0.0a
775.0±59.5b
125.7±8.09b
TAP2
15000±45.3b
0.0±0.0a
12.5±1.71a
75.0±4.69b
Mean
3268
7.2
157.5
135.14
cv
19.5
16.7
10.7
6.4
(1) Values are means of two determinations ± standard deviations. (2) Values with the same letters on the same column are not significantly different at 5 % level of significance.