The Efficacy of Treated Water from Water Filtration Machines for Safe Drinking Water Supply in Bandar Baru Bangi and Kajang, Selangor

Table 3

The amount of coliforms for 15 samples of treated drinking water.

Sample	Sampling mean (n = 3) cfu/100 mL (cfu/mL)	Comply with standards [27]
A	2.4 ± 0.35 (0.024)	Yes
B	2.2 ± 0.76 (0.022)	Yes
C	5.4 ± 1.50 (0.054)	No
D	5.1 ± 0.84 (0.051)	No
E	2.8 ± 1.04 (0.028)	Yes
F	1.3 ± 0.33 (0.013)	Yes
G	2.4 ± 0.51 (0.024)	Yes
H	4.3 ± 0.67 (0.043)	No
I	4.4 ± 1.00 (0.044)	No
J	1.3 ± 0.33 (0.013)	Yes
K	2.2 ± 1.01 (0.022)	Yes
L	2.3 ± 0.67 (0.023)	Yes
M	2.2 ± 1.26 (0.022)	Yes
N	3.1 ± 0.69 (0.031)	Yes
O	2.4 ± 0.51 (0.024)	Yes

<4 cfu/100 mL. A-B: Sg. Ramal; C‐E: Section 8, Bandar Baru Bangi; F‐I: Section 16, Bandar Baru Bangi; J, K, and O: Section 3, Bandar Baru Bangi; L‐N: Section 15, Bandar Baru Bangi. All results are expressed in mean ± SD.