Sample Area

Na⁺ (mg/L)

Ca²⁺ (mg/L)

Ba²⁺ (mg/L)

Sulphate

() (mg/L)

Phosphate

() (mg/L)

Cyanide

(CN⁻) (mg/L)

Agbor Obi

0.27

1.45

BD

0.56

0.11

BD

BB Agbor

0.35

2.29

BD

0.73

0.13

BD

BB Owa

0.22

1.82

BD

0.42

0.07

BD

Owa-Alero

0.18

1.24

BD

0.55

0.07

BD

Alihame

0.25

1.30

BD

0.61

0.09

BD

Range

0.18 - 0.35

1.24 - 2.29

NA

0.42 - 0.73

0.07 - 0.13

NA

Mean

0.25

1.62

NA

0.57

0.09

NA

WHO

200

75

0.3

500

-

0.07