Parameter

Highest desirable (mg/l)

Maximum permissible level (mg/l)

Range of values obtained from analysis (mg/l)

Remarks

Ph

7.0 8.9

6.5 - 9.5

7.61 - 8.65

It is neutral to alkaline

Conductivity

900 (μS/m)

1200 (μS/m)

182.1 - 733

Total hardness

100

100

77.56 - 187.37

Moderately to very hard water

Magnesium

20

20

1.38 - 6.56.

Extremely low

Calcium

0.01

0.07

5.12 - 25.16

Highly concentrated

Sulphate

250

500

1.03 - 2.43

Suitable for drinking

Iron

1.0

3.0

0.08 - 0.16

Ok

Nitrate

10

50

0.01 - 0.23

Ok

Lead

0.01

0.01

BDL - 0.01

OK

Cadmium

0.003

0.003

BDL

OK

Chromium

0.05

0.05

BDL

OK

Turbidity

5.0

5.0

1.16 - 15.32

7 samples out of 20 are not suitable

Sodium

-

200

1.72 - 8.35

Suitable

Manganese

0.0

0.4

BDL-0.05

Suitable

Zinc

0.01

3.0

BDL-0.08

Suitable

Copper

0.5

2.0

BDL-0.02

Suitable

Total coliforms

Not allowed

Not allowed

0 - 14

Only 5 samples are ok

Total organic carbon*

-

5

0.01 - 0.07

Ok

Total dissolved solids (mg/l)*

500

90 - 366.

Ok

Potassium**

10.0

11.0

0.02 - 0.18.

Ok