Ph: +91 40 6455 6806 | mail: info@ultrawater.co.in

Drinking Water Standards

• All units in mg/litres unless mentioned otherwise.
• US EPA standards are Maximum Contaminant Level Goals (MCLG) and are non-enforceable public health goals.

Parameter BIS Requirement Limit BIS Permissible Limit WHO Guidelines US EPA Limit
Colour (Hazen) 5 25 15 15
Odour Unobjectionable - - -
Taste Agreeable - - -
Turbidity in NTU 5 10 5 -
pH 6.5-8.5 6.5-8.5 - 6.5-8.5
Total hardness as CaCO3 300 600 - -
Iron  0.3 1.0 0.3 0.3
Chlorides 250 1000 250 250
Residual free chlorine 0.2 - - -
Total dissolved solids 500 2000 1000 500
Calcium  75 200 - -
Copper 0.05 1.5 2 1.3
Manganese  0.1 0.3 0.5 0.05
Sulphate 200 400 250 250
Nitrate 45 100 50 10
Fluoride 1 1.5 1.5 4
Phenolic compounds 0.001 0.002 - -
Mercury 0.001 0.001 0.001 0.002
Cadmium 0.01 0.01 0.003 0.005
Selenium 0.01 0.01 0.01 0.05
Arsenic 0.05 0.05 0.01 -
Cyanide 0.05 0.05 0.07 0.2
Lead 0.05 0.05 0.01 0
Zinc 5 15 3 5
Anionic detergents 0.2 1 - -
Chromium 0.05 0.05 0.05 0.1
Mineral oil 0.01 0.03 - -
Pesticides 0 0.001 - -
Alkalinity 200 600 - -
Aluminium 0.03 0.2 0.2 0.2

Contact & Support

  • Address : 2-19-65/1/A, Kalyanpuri, Opp. Survey Of India, Uppal,Hyderabad, Telangana, India - 500 039
  • Email : info@ultrawater.co.in
  • Phone :+91-40-6455 6806
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