Table 2: Mean variations of the water quality parameters in Ologe and Badagry Lagoons.
S/N |
Parameters |
Ologe |
Badagry |
The t-test (p < 0.05) |
FMEnv (2003) |
1 |
Water Temperature (°C) |
29.82 ± 0.19ab |
30.75 ± 0.23ab |
0.103 |
< 40 |
2 |
pH |
6.83 ± 0.11a |
8.30 ± 0.06ab |
0.000 |
6.0-9.0 |
3 |
Conductivity (µS/m) |
188.16 ± 2.97bc |
190.13 ± 3.52a |
0.433 |
- |
4 |
Salinity (‰) |
3.85 ± 0.27 |
5.20 ± 0.22 |
0.015 |
- |
5 |
Dissolved Oxygen (DO) (mg/L) |
3.89 ± 0.18abc |
5.75 ± 0.13bc |
0.002 |
5 |
6 |
Biochemical Oxygen Demand (mg/L) |
74.11 ± 0.88bc |
37.54 ± 3.46a |
0.000 |
10 |
7 |
Rainfall (mm) |
231.57 ± 43.77 |
231.57 ± 43.77 |
|
|
Alphabets with the letter "a" indicate no significantly different means (p > 0.05). FMEnv. (2003) -Nigerian Water Quality Standard for Inland Surface Water.