Civil Engineering - Water Supply Engineering - Discussion


The nitrate concentration in domestic water supplies, is generally limited to

[A]. 10 ppm
[B]. 15 ppm
[C]. 25 ppm
[D]. 30 ppm
[E]. 45 ppm.

Answer: Option E


No answer description available for this question.

Dipesh Kumar Yadav said: (Dec 5, 2017)  
According to National Drinking Water Quality Standard, Nepal the Concentration limit of Nitrate is 50 mg/l.

So correct answer is 45.

Bittu said: (Aug 14, 2018)  
According to WHO, it is taken as 10 ppm.

Shaz said: (Jul 15, 2019)  
Right, agree @Bittu.

Hayat said: (Aug 20, 2019)  
10 ppm is the correct one.

Asli said: (Sep 10, 2019)  
It's 10- 45ppm as per the question it's not more than 45ppm.

Nizam said: (Dec 12, 2019)  
Excess quantity causes methemoglobin blue baby disease.

Alex Kakinda said: (Aug 28, 2021)  
It must be 10 according to WHO.

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