Metal Present Study Ondo Coastal water Ilaje LGA River Orogodo
Cr 0.02–4.19 9.20-21.20 2.01– 44.09 0.30–0.32
Cd 0.35 -0.38 4.10–13.10 0.01–2.99 0.10 - 0.27
Pb 0.95–1.00 1.20–10.10 10.00 -32.06 0.30–0.84
Cu 0.24–1.44 3.20–21.40 1004–2879 0.20–0.84
Zn 2.12 -3.11 4.00–26.70 0.02- 0.29 1.20–1.91
Ni 0.01 7.50–38.60 3.40–5.90 0.60–0.65
Table 3: Comparison of heavy metal levels (mg/kg) in Sediment of current and previous studies.