Parameters

Units

SECTIONS ALONG CHOBA RIVER

A

B

C

D

E

pH

5.6

5.5

4.48

5.23

5.33

Electrical Conductivity (EC)

µS/cm

77

41.33

181

502.33

56.33

Alkalinity

%

35.67

64

27.68

25.33

86

Sodium (Na⁺)

mg/l

13.285

17.285

16.685

17.485

18.285

Potassium (K⁺)

mg/l

2.706

1.6

1.41

0.984

4.109

Calcium (Ca²⁺)

mg/l

80.45

79.8

74.6

90.01

85.37

Magnesium (Mg²⁺)

mg/l

8.6

14.01

6.01

3.13

12.53

Chloride (Cl^-)

mg/l

122.77

197.08

116.35

185.54

149.17

Carbonate (CO₃^-)

mg/l

4.77

2.47

10.07

5

2.67

Bicarbonate (HCO₃^-)

mg/l

59.38

78.31

33.75

30.9

105.6

Nitrate (NO₃^-)

mg/l

0.58

0.57

0.94

0.95

0.53

Sulphate (SO₄²⁺)

mg/l

7.68

4. 67

5.06

4.78

4.78

Phosphate (PO₄^3-)

mg/l

0.036

0.017

0.022

0.023

0.022

Iron (Fe²⁺)

mg/l

0.2

0.18

0.33

0.22

0.19

Lead (Pb²⁺)

mg/l

0.23

0.3

0.33

0.18

0.09

Total Petroleum Hydrocarbon (TPHC)

mg/l

0

14.52

174.32

80.39

39.02