Variables

Unit

Jordanian standards

WHO standards

Weight (Wt)

pH

unit

6.5 - 9.0

6.5 - 8.5

4

EC

μs/cm

700

<1400

4

TSS

mg/l

25

25 - 40

2

mg/l

45 - 70

50

5

mg/l

100 - 500

125 - 350

3

mg/l

200 - 500

250

4

F⁻

mg/l

2

1.5

4

Cl⁻

mg/l

200 - 500

250

3

Na¹⁺

mg/l

200 - 400

200

2

Mg²⁺

mg/l

50 - 150

<125

2

Ca²⁺

mg/L

75 - 200

75

2

K⁺

mg/L

12

12

1