Table 7: Sediment Pollution index (SPI) of the heavy metals in surface water of Ologe and Badagry lagoons.
| Metals | Ologe Lagoon | Badagry Lagoon | ||
| Wet | Dry | Wet | Dry | |
| Cr | 0.50 | 0.36 | 0.28 | 0.28 |
| Cd | 12.02 | 16.67 | 2.36 | 5.27 |
| Cu | 0.62 | 0.54 | 0.23 | 0.22 |
| Zn | 0.86 | 1.17 | 0.31 | 0.50 |
| Pb | 3.61 | 2.50 | 1.80 | 3.35 |