Research Article

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)

TAP5200±4.9a0.0±0.0a0.0±0.0a475±30.67b
TAP4430±10.8a23±0.67c0.0±0.0a0.0±0.0a
TAP3710±23.6a13±1.9b0.0±0.0a0.0±0.0a
TAP 10.0±0.0a0.0±0.0a775.0±59.5b125.7±8.09b
TAP215000±45.3b0.0±0.0a12.5±1.71a75.0±4.69b

Mean 32687.2157.5135.14
cv 19.516.710.76.4

(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.