Microbiological Quality and Contamination Level of Water Sources in Isiolo County in Kenya

Table 5

Mean total Coliforms in the surface water sources.

Sample	Coliforms (Cfu/ml)	Sample	Coliforms (Cfu/ml)
R1B	18±1.7a	SPR1C	975±13.5ab
R4B	28±2.1a	SPR3B	1200±11.3ab
R1C	38±2.8a	PAN2A	3150±17.2abc
SPR1B	95±4.6a	R4A	4100±15.4bc
SPR1A	110±3.6a	R3A	5500±25.6c
PAN2B	120±10.3a	R3C	5550±110.8c
RAIN2	170±12.5a	SPR3A	6350±282.2c
R3B	435±8.9ab	SPR1D	21000±53.6d
TROUGH4	525±16.8ab	TROUGH2	27500±83.7e
R1A	605±15.3ab
Mean	4077	Mean	4077
cv	18	cv	18

(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.