Code/Town

Parameter

RA 50

RA 90

Wurakese

BH 2

BH 1

Onwa

GS 175-1/WHO Guideline

Colour

37.50

100.00

2.50

2.50

2.50

2.50

15

pH

6.63

6.59

6.13

4.75

6.40

5.75

6.5 - 8.5

Turbidity

15.00

28.00

1.00

1.00

1.00

1.00

5

Conductivity

284.00

269.00

282.00

258.00

514.00

163.00

-

TDS

156.00

148.00

155.00

142.00

283.00

89.70

1000

TSS

6.00

16.00

1.00

<1.00

<1.00

1.00

-

Na⁺

10.00

8.00

25.00

15.20

10.50

33.00

200

K⁺

3.70

3.20

2.20

3.60

3.90

2.60

30

Ca²⁺

24.70

17.70

13.80

7.30

36.70

11.60

200

Mg²⁺

5.90

3.40

8.80

10.60

16.40

3.00

150

Cl⁻

15.90

9.90

13.90

59.60

29.80

59.60

250

${\text{SO}}_4^{2-}$

20.60

48.00

20.80

15.60

6.11

7.33

250

${\text{HCO}}_3^{-}$

79.10

61.50

97.40

23.70

150.00

40.00

-

Fe

3.41

3.73

2.79

0.07

0.09

0.14

0.3

Mn

0.96

1.14

0.17

-

0.35

0.08

0.4

NO₃-N

<0.001

<0.001

3.35

3.10

<0.001

1.12

10