INFORMATION ON DRINKING WATER QUALITY OF THE INSTITUTE


General information
  pH | Hardness | Alkalinity | Total Dissolved Solids | Fluoride | Nitrate | Sulfate | Arsenic | Chromium | Cadmium | Zinc | Iron | Lead | Copper | Chlorides | Turbidity | Bacteriological parameters

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Drinking Water Quality Standards

Water quality results
Committee
Analytical Methods

Drinking Water Quality Standards

Water Quality Parameters and BIS standards for various chemical and biological constituents

S.No.

Parameters

Drinking water
IS 10500 : 2012

Permissible Limit

Maximum Limit

1

Odor

Agreeable

Agreeable

2

Taste

Agreeable

Agreeable

3

 pH

6.5 to 8.5

No relaxation

4

 TDS (mg/l)

500

2000

5

 Hardness (as CaCO3) (mg/l)

200

600

6

 Alkalinity (as CaCO3) (mg/l)

200

600

7

 Nitrate (mg/l)

45

No relaxation

8

Sulfate (mg/l)

200

400

9

 Fluoride (mg/l)

1

1.5

10

 Chloride (mg/l)

250

1000

11

 Turbidity (NTU)

5

10

12

 Arsenic (mg/l)

0.01

0.05

13

 Copper (mg/l)

0.05

1.5

14

 Cadmium (mg/l)

0.003

No relaxation

15

 Chromium (mg/l)

0.05

No relaxation

16

 Lead (mg/l)

0.01

No relaxation

17

 Iron (mg/l)

0.3

No relaxation

18

 Zinc (mg/l)

5

15

19

 Fecal Coliform (cfu)

0

0

20

 E. Coli (cfu)

0

0