Microbiological Quality and Contamination Level of Water Sources in Isiolo County in Kenya
Table 4
Mean Escherichia coli, Clostridium pafringens, and Staphylococcus aureus counts in surface water sources.
Sample
Escherichia coli (Cfu/ml)
Sample
Clostridium pafringens (Cfu/ml)
Sample
Staphylococcus aureus (Cfu/ml)
R1C
12.0±1.7a
SPR1C
22.0±2.3a
R4B
11.0±1.4a
PAN2B
12.5±2.9a
R3C
38.0±1.5a
PAN2A
15.0±1.6a
SPR3A
12.5±1.8a
R1A
125.0±3.7a
SPR1D
22.5±2.3a
SPR1D
13.0±1.6a
SPR1D
242.0±5.8a
SPR3A
25±3.4a
SPR1B
15.0±1.2a
R4B
338.0±10.1a
R4A
50.0±4.2a
R3C
35.0±1.3a
RAIN2
1500.0±15.5a
SPR1B
95.0±2.5a
SPR1A
40.0±2.5ab
R1C
1565.0±40.9a
TROUGH2
864.5±3.7b
SPR3B
55.0±1.4bc
R3A
1850.0±28.2a
TROUGH4
1550.0±10.8c
SPR1C
80.0±1.8c
PAN2A
3500.0±56.9a
SPR3B
1725±13.9c
R3A
145.0±5.3d
TROUGH2
7026.0±282.4b
RAIN2
2450.0±23.7d
RAIN2
160.0±12.5d
SPR1B
7300.0±457.8b
SPR1A
3500.0±45.9e
R4A
165.0±11.3d
SPR1A
41500.0±483.7c
R3A
3750±70.8e
Mean
39.2
Mean
3421
Mean
740
cv
23.3
cv
46.1
cv
26.5
(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.