IFPDW STANDARDS FOR DRINKING WATER

IFPDW Standards for Drinking Water

Parameter

Unit

IFPDW Criteria

(Total) Coliforms MPN

MPN/100mL

(Total) Coliforms MF

CFU/100mL

(Total) Coliforms

/100mL

E.coli

/100mL

0

Group D (Faecal) Streptococci

/100mL

P.aeruginosa

/100mL

Faecal coliforms

/100mL

0

Enteric viruses

/100mL

Pathogenic protozoa

/100mL

Pathogenic helmints

/100mL

Algae

/100mL

Sulphide-reducing Clostridia

MPN/100mL

THPC 37° C

CFU/mL

10

THPC 22° C

CFU/mL

Turbidity

NTU

2.5

Colour

TCU

5

Odour

TON

3

PH

6.5-8.5

Conductivity

m S/cm

Arsenic

mg/L

0.05

Chloride

mg/L

250*

Iron

mg/L

0.3*

Manganese

mg/L

0.05*

Zinc

mg/L

5.0*

TDS

mg/L

1000*

Phenols

mg/L

To be

PAH

mg/L

Advised

Total THM

mg/L

Later

Bromate

mg/L

Antimony

mg/L

0.01

Barium

mg/L

1.0

Beryllium

mg/L

0.005

Cadmium

mg/L

0.005

Chromium

mg/L

0.1

Copper

mg/L

2.0

Cyanide

mg/L

0.1

Lead

mg/L

0.01

Mercury

mg/L

0.001

Nickel

mg/L

0.1

Nitrate-N

mg/L

10

Nitrite-N

mg/L

1

NO2+NO3–N

mg/L

10

Selenium

mg/L

0.05

Thallium

mg/L

0.002

Boron

mg/L

1.0

Molybdenum

mg/L

0.025

Sodium

mg/L

Calcium

mg/L

Magnesium

mg/L

Potassium

mg/L

Phosphorus (P2O5)

mg/L

Aluminium

mg/L

0.2

Silver

mg/L

0.2

Sulphate

mg/L

250*

Ammonia (NH4)

mg/L

Chlorine

mg/L

<0.1

Fluoride

mg/L

0.7

*mineral water exempt, — no criterion given.
For IFPDW where no standard is considered necessary marked –