Water - Is Low TDS Level Harmful?

[Sanjeev Goyal]

Dear Members, 

With increased supply of water by DJB the TDS level in water has reduced considerably. After passing thru RO system the TDS is almost negligible. I have been sounded by some one that this is very harmful to consume water with very low TDS level.

I request those who have knowledge about this subject may please share.

[Diwan Singh]

thats right. TDS level should be at least 200-500. Above 500 its OK upto 1500.

Rain water has no TDS, and we can not drink rainwater without risking our life.

Our body gets a lot of nutrients and minerals from water. But RO remove these. 

Diwan Singh

Member, Dwarka Water Bodies Committee

Yamuna Satyagraha

Ridge Bachao Andolan

Campaign for Preservation of Commons

naturalheritagefirst.in

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[chand...@hotmail.com]

Sorry to say that the statement of Mr. Diwan Singh seems to be contradictory. Once he says that the TDS level should be between 250 and 500. At the same time he says that upto 1500 it is okay!!!

This is confusing. Presently the TDS of DJB water is 269. If RO is installed, it reduces to 26-27. In this case, will it be advisable to drink water at this level? 

CHANDAN BOSE

Sent from my LG Mobile

------ Original message------

From: Diwan Singh

Date: Sun, Sep 13, 2015 22:43

To: dwarka-r...@googlegroups.com;

Subject:Re: [Dwarka Forum-] Water - Is Low TDS Level Harmful?

[Arun Banerjee]

For reference 

                                                     ****************

As per Bureau of Indian Standards (IS: 10500) guidelines, 500 mg/L is the desirable limit and 2000 mg/L is the permissible limit, which means drinking water having TDS in excess of 2000 mg/L must be rejected. 
Presence of TDS beyond 500 mg/L in drinking water decreases palatability and may cause gastrointestinal irritation.

                                                        *****************

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[SK MALIK]

Total Dissolved Solids as per BIS Standards & Guideline

 

 

Potable Water (BIS10500)                                                  500 mg/l, Max

Packed Water (SM/IS14543)                                              500 mg/l, Max

Packed Natural Mineral Water (IS13428/03)                  150–700 mg/l, Max

 

Rain                                                                                       10 (around) TDS

Dwarka DJB Water supply                                                 100 to 125 TDS

DJB water after Good RO treatment                                 10 to 20 TDS

 

God designed animals have survived after drinking natural water available on earth.

Canal and river water is around 100 t0 200 TDS.

Human are also natural animals.

 

Body needs food for growth/ energy and vitamins/ mineral to fight diseases.

 

For Good health of Human water shall contain dissolved mineral in range of 75 to 150 TDS.

 

 

My Recommendation

 

DJB water shall be consumed after filtration,

NO NEED OF RO AND WASTING NATURAL RESOURCE

 

---

From: Sanjeev Goyal <cwa...@gmail.com>
To: dwarka-residents <Dwarka-r...@googlegroups.com>
Sent: Sunday, 13 September 2015 9:44 PM
Subject: [Dwarka Forum-] Water - Is Low TDS Level Harmful?

Dear Members, 

With increased supply of water by DJB the TDS level in water has reduced considerably. After passing thru RO system the TDS is almost negligible. I have been sounded by some one that this is very harmful to consume water with very low TDS level.

I request those who have knowledge about this subject may please share.

[Babu Mk]

hi  friends,   my self  and lot of my friends  and their family members are feeling stomach  ache  and motion  etc  etc  for the last few  weeks  and still continues.......  is it due to  water problem  or  any decease....????  any member  affected  from any area?????  or any information????  my friends  in my knowledge is more than 50 .........

On Sun, Sep 13, 2015 at 10:41 PM, Diwan Singh <diwan...@gmail.com> wrote:

[Arun Banerjee]

For a layman very low TDS means very low salt content of Mg, Ca. Na, etc. I suppose. 

Human body requires a minimum level of such salts. Like in summer we take more water and salt which is lost due to perspiration. 

[Sanjeev Goyal]

So what is the conclusion "Are we a victim of over cleaning?"

[Sushil Kumar]

Yes.it should be between 50 to 500.may be mr Diwan has typed it wrongly.
Regards
Sushil

[Anil Kundra]

Minimum TDS level of 50mg/L (ideally 150mg/L) must be maintained and upto 500mg/L is safe.

Thanks 
Sent from my iPhone

[Babu Mk]

i think  so... the same version.   my  individual RO  gives the reading of 65  then  how it comes to 500......i think it is typographical error

regds

babu

[Ajay Gupta]

Too low TDS is definitely harmful as your body is bereft from the salts and minerals that come in through water. The normal TDS level should be between 60 to 80.

Regards
Ajay Gupta

--

[sampath kumar Toopran]

Participants on this topic may like to read the article "Taken for a water ride" by Dr. Sudhirendar Sharma - appeared in The Hindu, Open Page of July 14, 2015. Link is provided below.

T.  Sampath Kumar   

 

Taken for a water ride
http://www.thehindu.com/todays-paper/tp-miscellaneous/tp-others/taken-for-a-water-ride/article4913517.ece

[Arun Banerjee]

I don't think we are victim of over cleaning or low mineral.  salts and other minerals can be compensated by intake of food with proper quantity as per body requirements.

On Mon, Sep 14, 2015 at 10:19 PM, Sushil Kumar <sushil...@gmail.com> wrote:

[Arun Banerjee]

Readable article by Dr. Sharma.

One para which I think holds good for the topic under discussion is as under :

"Since the RO purifiers are designed for treating even brackish water, these perform poorly in normal household conditions. Development professional Mithulina Chatterjee learnt it the hard way when she found that her RO filter was literally sequestering every molecule of salt from the supply and turning it bland in the process. “In their quest to mop the market, the RO filter companies hold back truth from the consumers,” says Ms. Chatterjee."

[Diwan Singh]

Sorry for the confusion, Mr Bose. You  are right, my answer seem ambiguous.

There are no fixed standard defined limits to TDS due to presence of different kind of salts at different places. With my practical experience I have found water upto 1500 TDS OK.  But I suggest it should be  between 200 and 500. 

I have consumed water upto 1500 TDS on regular basis  with no problems. Rather, I was doing a research project on ground water in Yamuna Flood plains. I drank that water for many months, and was comfortable, rather feeling good.    But, it depend on what salts are there in it. Maybe the salts that were present were benefiting me. But that's not always the case. It may happen reverse with some other salt. That's why I would suggest restricting to 200-500 range.

As per Bureau of Indian Standards (IS: 10500) guidelines, 500 mg/L is the desirable limit and 2000 mg/L is the permissible limit, which means drinking water having TDS in excess of 2000 mg/L must be rejected. 

But the international standards hover around 500. 

There are also standards that advise 50 mg/l. I am not with that.

So, I would clarify that stay within 500, and do not go below 200. But, if you go between 500 to 1500 its not a panic situation.

Hope I am clear this time.

Diwan Singh

Member, Dwarka Water Bodies Committee

Yamuna Satyagraha

Ridge Bachao Andolan

Campaign for Preservation of Commons

naturalheritagefirst.in

On Mon, Sep 14, 2015 at 8:22 AM, chand...@hotmail.com <chand...@hotmail.com> wrote:

[Chandan Bose]

Thanks a lot Mr. Diwan for the clarification.

Chandan Bose

Sent from my LG Mobile

------ Original message------

From: Diwan Singh

Date: Tue, Sep 15, 2015 11:57

To: chand...@hotmail.com;

Cc: dwarka-r...@googlegroups.com;Salil Bose;Geeta Bose;

[Sanjeev Goyal]

I discussed this with a subject matter expert and as per his opinion TDS around 100 should be there is water and the best way to purify is to boil the water.

I have requested him to give a note in his language which he shall be giving in 3-4 days time.

[Rajinder Kumar]

Last month when I got my RO serviced, I was told that the TDS level was 25. When I asked the person how to increase the TDS to the desired level he replied that some part has to be fixed in the RO machine. I did not bother at that time. However, in the light of the above  discussion can any one enlighten what  should be done. Should RO be discarded and be replaced by an ordinary water  filter?

[Diwan Singh]

If TDS is 25, its too low. You may just use a UV filter to kill bacteria, viruses. That should suffice.

Diwan Singh

Member, Dwarka Water Bodies Committee

Yamuna Satyagraha

Ridge Bachao Andolan

Campaign for Preservation of Commons

naturalheritagefirst.in

[REJIMON C K]

Very interesting and good participation, hope other subject also get such participation.

Yes after the DJB Potable Water supply the following were required:

Flats : 1 All flats should have a Meter

2. All flats should have dual  pipe for Potable and Toilet separately

3. do not put washing machine on Balconies which are connected to RWH

Apartments

1 All apartments should check their Meter and proper monitoring

2. All CGHS should set a target to fix Dual pipe with a time bound manner.

3 All CGHS should try if there can be a possibility of recycling within complex if space available.

4 Not to mix DJB water with Ground Water

RO:

With Potable water thankfully all kind of RO sales are NIL now??

May be normal water filter to be installed without RO-

Donate RO to remote Areas or your villages.

1

REJIMON C K.

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On Tue, Sep 15, 2015 at 6:16 PM, Rajinder Kumar <rkmah...@gmail.com> wrote:

[Surjit Chetal]

low tds water 50 to 100 shud be always welcome.it wud save your kidneys from unnecessary getting taxed.

upper max limit is 500.

river water is always low tds and it is the groud water which contains high tds

of course then ""Google Maharaj" is always available for help

On Tue, Sep 15, 2015 at 11:57 AM, Diwan Singh <diwan...@gmail.com> wrote:

[JNGupta]

Agree fully that the RO removes all the minerals & is not good for our health.

But in Dwarka TDS is so high that no other method i.e. filtering makes the water Potable. MCD supply is erratic.

JNGupta

Vishrantika CGHS

Plot 5A, Sector-3, Dwarka

[Ramnath Kumar]

Dear All,

In our society we have 165 apartments. In the last few days the water started smelling bad. We cleaned the underground tank and the members cleaned their individual overhead water tanks. It was ok for a few days, but again in some flats the water started smelling bad and the water that goes to their tank is murky. It is happening only with few apartments.

We checked the pipelines and we found that the sewer lines and potable waterlines have broken in some points which leads to contamination.

All are individual connections and the society plumber is unable to pin point the places where the mixing takes place and hence we are unable to fix the problem. This problem is restricted to only a few apartments.

Can any member recommend/suggest an engineer/agency, not just a bunch of plumbers, who can study the problem, identify and rectify?

Thanks,

Ramnath Kumar(Hony.Secretary)

Evergreen Apartments

Mob: 9999797808

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