µg/L

Location/GPS

pH

Cd

Cu

Ni

Pb

Zn

Ira-Ipaye

6˚29'48.34788''N; 3˚11'56.55156''E

6.48 ± 0.19

358 ± 142.74

280 ± 49.23

76 ± 20.59

1704 ± 767.77

12,304 ± 12,551.09

Agboroko

6˚29'10.79412''N; 3˚11'56.84856''E

6.18 ± 0.56

ND

6.80 ± 13.60

ND

ND

195.4 ± 165.01

Akesan

6˚32'5.57988''N; 3˚13'53.958''E

6.53 ± 0.17

254 ± 168.48

354 ± 124.68

66.00 ± 30.72

2207.8 ± 1415.88

1976 ± 383.23

WHO

Guideline

Limit

6.5 - 8.5

5

5000

70

50

5000