Table 5: Physicochemical quality of groundwater.
|
Code |
Temp (℃) |
pH
|
TDS (mg/L) |
TSS (mg/L) |
Turbidity (FTU) |
Salinity% |
BOD (mg/L) |
|
WHO/NFEPA |
- |
6.5-9.2 |
500-1500 |
- |
5 |
6.0 |
- |
|
Gw1a |
26.9 |
5.90 |
134.0 |
1.1 |
ND |
0.06 |
12.0 |
|
Gw1b |
24.7 |
5.10 |
88.3 |
1.0 |
2.1 |
0.03 |
12.0 |
|
Gw1c |
26.8 |
5.22 |
255.0 |
1.0 |
ND |
0.04 |
11.0 |
|
Gw1d |
26.6 |
5.72 |
60.0 |
1.1 |
ND |
0.03 |
12.0 |
|
Gw1e |
26.4 |
6.40 |
121.0 |
1.2 |
ND |
0.05 |
13.0 |
|
Gw1f |
25.6 |
5.62 |
255.0 |
8.0 |
5.2 |
0.09 |
35.0 |
|
Gw1g |
25.6 |
5.86 |
156.0 |
7.0 |
8.5 |
0.03 |
33.0 |
|
Gw2a |
25.1 |
5.71 |
18.8 |
1.0 |
4.0 |
0.02 |
11.0 |
|
Gw2b |
25.0 |
5.40 |
50.7 |
1.0 |
4.1 |
0.03 |
10.0 |
|
Gw2c |
25.0 |
5.50 |
57.5 |
1.2 |
2.1 |
0.02 |
12.0 |
|
Gw2d |
25.1 |
5.52 |
95.8 |
1.0 |
2.1 |
0.06 |
9.0 |
|
Gw2e |
27.2 |
6.64 |
54.1 |
1.2 |
3.0 |
0.05 |
12.0 |
|
Gw2f |
27.2 |
6.62 |
41.4 |
1.0 |
ND |
0.04 |
13.0 |
|
Gw2g |
27.1 |
6.67 |
108.0 |
1.0 |
ND |
0.07 |
11.0 |
|
Gw Mean |
26.0 |
5.57 |
106.8 |
2.0 |
2.2 |
0.04 |
14.7 |
|
Cont1 |
24.3 |
5.38 |
93.3 |
1.0 |
2.1 |
0.04 |
11.0 |
|
Cont2 |
26.9 |
5.10 |
140.0 |
1.0 |
ND |
0.06 |
11.0 |
|
Cont3 |
25.4 |
5.30 |
37.1 |
1.0 |
2.2 |
0.04 |
9.0 |
|
Cont4 |
27.2 |
6.67 |
92.0 |
1.0 |
ND |
0.04 |
11.0 |
|
Cont5 |
25.2 |
6.60 |
47.8 |
0.5 |
2.0 |
0.05 |
9.0 |
|
Cont6 |
24.7 |
5.52 |
54.4 |
1.0 |
ND |
0.02 |
12.0 |
|
Cont7 |
25.0 |
6.68 |
54.4 |
1.0 |
ND |
0.02 |
10.0 |
|
Cont Mean |
26.0 |
5.89 |
74.1 |
0.9 |
0.9 |
0.04 |
10.4 |
NFEPA = Nigerian Federal Environmental Protection Agency [10], WHO = World Health Organization [9], ND = Not Dictated.