What are the parameters to be measured (in lab or on site) in order to assess if the water is fit for drinking in the Indian sub-continent?
Standards differ somewhat. Try to adopt a best-practice. See
http://en.wikipedia.org/wiki/Drinking_water_quality_standards
for the items to be tested, and "acceptable levels" of minerals and pathogens, and for hints at how, where and when to sample.
In drinking /Potable water, the main chemical constituents to be examined are : Specific conductivity, pH, TDS, Na,K,Ca,Mg,SiO2,Total Hardness,Cl, In drinking water.The main chemical constituents to be examined are : Specific conductivity, pH, TDS, Na,K,Ca,Mg,SiO2,Total Hardness,Cl,HCO3,SO4, F,NO3, metallic trace elements, In addition to these co lour, turbidity, Taste, smell etc. MPN and E Colliform bacteria etc.All these must be within the permissible limit of drinking water. Usually permissible limit adopted must be either WHO or equivalent.HCO3,SO4, F,NO3, metallic trace elements, In addition to these co lour, turbidity, Taste, smell etc. MPN and E Colliform bacteria etc. All these must be within the permissible limit of drinking water. Usually permissible limit adopted must be either WHO or equivalent.
There are a number of important criteria to assess the validity of drinking water the most important content of salts and pH, cations and anions and heavy metals
Dear Rakesh,
Is it possible to share an electronic copy of this standard IS 10500?
Dr. VK Saxena has mentioned all the necessary parameters that must be included in the water quality assessment.
I am attaching a draft of IS 10500 and additionally the Indian standard for irrigation water quality.
The Indian standards, and the standards for potable water in most countries, follow, or have developed from, the World Health Organizations 'Guidelines for Drinking Water Quality', which can be downloaded from the WHO website.
http://www1.agric.gov.ab.ca/$department/deptdocs.nsf/all/wqe11082
All most all the parameters are taken in to the consideration for the potability of water. for more information you may requested to go through the link.
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