Figure 1: Map of the Study Area
Figure 2: Characterisation of the Study Area

S/N

Parameter

Location1 (L1)

Location2 (L2)

Location3 (L3)

Mean

Control (L4)

WHO
(2012)
Standard

NSDWQ
(2007)

1

pH

6.90

6.54

6.99

6.77

5.34

6.5-8.5

6.5-8.5

2

Electrical Conductivity (µS/cm)

746

5330

16200

7425

61.40

Nil

Nil

3

Total dissolved solid(mg/l)

520

3731

11340

5197

6.25

Nil

500

4

Phosphate(mg/l)

<0.05

<0.05

<0.05

0.05

Nil

NS

 

5

Sulphate (mg/l)

7.17

6.61

72.33

29

5.18

200

250

6

Chloride (mg/l)

49.40

889.20

1877.2

939

347.60

200

250

7

Total hardness
(mg/l asCaCO3)

5.76

153.60

480

213

62.70

150

Nil

8

Dissolved Oxygen, DO(mg/l)

ND

ND

ND

ND

ND

NS

 

9

Biochemical oxygen demand, BOD (mg/l)

17.1

487.2

548.1

351

0.98

NS

 

 

HEAVY METALS

 

 

 

 

 

 

 

10

Cooper

-0.067

-0.067

0.192

0.019

0.00

1.0

 

11

Zinc

-0.113

-0.028

-0.238

-0.126

0.02

5.00

 

12

Lead

0.027

0.518

1.440

0.062

0.01

0.01

 

13

Iron

13.271

10.332

8.916

10.84

0.07

0.3

 

14

Manganese

0.133

4.117

1.706

1.985

0.01

NS

 

15

Chromium

-0.014

0.588

0.478

0.351

0.02

NS

 

 

MICROBIAL ANALYSIS

 

 

 

 

 

 

 

16

Total coliform/100ml

154

295

103

 

9.1

0

 

17

Total heterogeneous Fungi(CFU/ml)

2.6x102

4.1x103

3.8x102

 

1.01x102

 

 

18

Total heterogeneous Bacterial(CFU/ml)

4.5x104

3.2x102

2.8x102

 

2.65x102

1.1X102

 

Table 1: Concentrations of the leachate samples collected from the locations

Composition

Percentage

Organic

30%

Inorganic

50%

Metals

9%

Woods

8%

Other

3%

Table 2: Solid Wastes Composition