Source: http://togethervcan.in/article/indian-standards-for-safe-drinking-water/
Timestamp: 2018-06-24 11:11:02
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Indian Standards for Safe Drinking Water - VCAN
Home / Healthy Living / Indian Standards for Safe Drinking Water
The Bureau of Indian Standards (BIS) has specified drinking water quality standards in India to provide safe drinking water to the people. It is necessary that drinking water sources should be tested regularly to know whether water is meeting the prescribed standards for drinking or not and, if not, then, the extent of contamination/ unacceptability and the follow-up required.
Apart from BIS specification for drinking water, there is one more guideline for water quality, brought out by Ministry of Water Resources, Government of India in 2005. This is known as Uniform Protocol for Water Quality Monitoring. A need has arisen to have a separate uniform protocol for Drinking Water Quality Monitoring in view of increasing risk of geogenic and anthropogenic contamination.
Keeping in view requirement of preparing Uniform Drinking Water Quality Monitoring Protocol, the Ministry of Drinking Water and Sanitation (MDWS), Government of India constituted an Expert Group which prepared the Protocol. The Drinking Water Quality Monitoring protocol describes specific requirements for monitoring drinking water quality with a view to ensure provision of safe drinking water to the consumers.
Definition of drinking water quality
BIS has set specifications in IS–10500 and subsequently the revised edition of IS 10500: 2012 in Uniform Drinking Water Quality Monitoring protocol.
Some parameters apart from those mentioned in IS 10500: 2012 may also be measured if the States deem it necessary. This standard has two limits i.e. Acceptable limits and permissible limit in absence of alternate source. If any parameter exceeds the limit, that water is considered unfit for human consumption.
Broadly speaking water is defined as unfit for drinking as per Bureau of Indian Standards, IS-10500-2012, if it is bacteriologically contaminated (presence of indicator Uniform Drinking Water Quality Monitoring Protocol bacteria particularly E-coli, viruses etc.) or if chemical contamination exceeds maximum permissible limits (e.g. excess fluoride [>1.5mg/l ], Total Dissolved Solids (TDS) [>2,000mg/l], iron [>0.3 mg/l], manganese[>0.3 mg/l], arsenic [>0.05mg/l], nitrates [>45mg/l] etc.).
The latest drinking water specification and test protocol are -
IS: 10500-2012
(Indian Standard IS:3025 Methods of Sampling and Test for Water and Waste Water)
1. Odour Agreeable Agreeable IS:3025 Part 5
2. Taste Agreeable Agreeable IS:3025 Part 8
3. pH value 6.5 – 8.5 No relaxation IS:3025 Part 11
4. Turbidity, NTU, Max 1 5 IS:3025 Part 10
5. Total dissolved solids (TDS), mg/l, Max 500 2000 IS:3025 Part 16
6. Total alkalinity as CaCO3, mg/l, Max 200 600 IS:3025 Part 23
7. Total hardness as CaCO3, mg/l, Max 200 600 IS:3025 Part 21
8. Calcium as Ca, mg/l, max 75 200 IS:3025 Part 40
9. Magnesium as Mg, mg/l, Max 30 100 IS:3025 Part 46
10. Chloride as Cl, mg/l, Max 250 1000 IS:3025 Part 32
11. Residual Free Chlorine, mg/l, Min* 0.2 1 IS:3025 Part 26
12. Sulphate as SO4, mg/l, max 200 400 IS:3025 Part 24
13. Nitrate Nitrogen as NO3, mg/l, Max 45 No relaxation IS:3025 Part 34
14. Fluoride as F, mg/l, Max 1.0 1.5 IS:3025 Part 60
15. Total Iron as Fe, mg/l, Max 0.3 No relaxation IS:3025 Part 53
16. Coliform MPN/100 ml Shall not be detectable in any 100 ml sample Indian Standard IS:1622, Methods of Sampling and Microbiological Examination of water.
17. Faecal Coliform, Presence/Absence Shall not be detectable in any 100 ml sample
18. E.coli, Presence / Absence Shall not be detectable in any 100 ml sample
*Applicable only when water is chlorinated
19 Responses to Indian Standards for Safe Drinking Water
Nandhini Subramanian says:
Our body is suited to work with acidic water. When the amount of alkaline is increased in our body this leads to the cell death. As well as the ph level should not be lesser than 4 as it leads to redness of eyes. The ph level of the water should be maintained between 5 to 4. By using the natural source of magnetic force the water can be treated this helps in retaining the minerals of the water and also makes the other chemical substances to become inert.
Name a few Certified Laboratories in Delhi- NCR performing the tests for Indian Standards for Drinking Water as per IS; 10500, 2012,
Details of Certified Laboratories in Delhi- NCR performing the tests for Safe Drinking Water as per IS: 10500 (2012),
Apologies for the delay in our reply. We regret to inform you that we do not have any information regarding Testing Centres in the Delhi NCR area.
Nice and it is very useful but we need more pictures for this procedure.
DelcieTMomin says:
I live in palam vihar, gurgaon. I was buying bisleri 20 ltr regularly from local vendor. I noticed algae in bottles, called customer care They told me that if water bottles dont have white tag near cap then water is duplicate. I checd and realized my bottles were duplicate, i talked with shopkeeper he said this is what he get and wont stop selling. I checked other shops in area and realize that 95% were selling that duplicate bisleri bottles, i managed to see some original.
Now tell me that what a common man can do with this technical standards when system around him is forcing him to use water bottles with algae in those.
Dear Mr. Mansan,
Apologies for the delay in our reply. You should file a complaint against this issue with the State Legal Metrology Department. They will help you in tackling this issue and in shutting down all the shops who are selling duplicate water. You should also hand over a copy of this to the Customer Care Department at Bisleri.
You may use this website to visit the Legal Metrological Department of Haryana. http://haryanafood.gov.in/home.aspx
Stunning quest there. What occurred after? Have a great time!
JAI PATHAK says:
Pls tell me what is the relation between TDs of drinking water and vitamin B12 and
How does it affect our health. Medical advice needed.
priya AR says:
Im priya
i and my friends are doing a drinking water quality analysis project on a river can i get some more information about the tests…i have provided my email address above please mail me.
Apologies for the delay in our reply. You can find all the information you need for your project here.
http://togethervcan.in/?article=indian-standards-for-safe-drinking-water
I want a list of Labs. in Pune who can conduct analyses of drinking water for health & safety .