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Updated: April 20, 2013 00:11 IST

What is wriggling in your drinking water?

G. Krishnakumar
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Quality of water supplied through tanker lorries plying across the city was also found not satisfactory. File photo
Quality of water supplied through tanker lorries plying across the city was also found not satisfactory. File photo

What’s colourless, tasteless and odourless? Definitely not the water you get.

Investigations conducted at government laboratories have revealed increasing levels of contamination in well water, drinking water supplied through tanker lorries and packaged drinking water.

Tests at the Government Regional Analytical Laboratory at Kakkanad and the Food Quality Monitoring Laboratory under the Council for Food Research and Development in Konni between March 20 and April 5 have found that water quality in 15 wells (from which water was drawn for supply in apartments and commercial establishments in the city); 15 tanker lorries used for drinking water supply and 18 brands of packaged drinking water was ‘not satisfactory’.

Faecal coliform bacteria or E.coli was found in wells located in Churnikara panchayat, Eloor, Aluva and Kalamassery. Samples collected from a well near HMT at Toshiba junction found that the coliform count was 1,600 organisms/100 ml against the prescribed limit of 10 organisms per 100 ml. Excessive acid content was found in wells located in Mattakuzhi, Vaikom; Kuttikkattukara, Eloor and Aluva.

Quality of water supplied through tanker lorries plying across the city was also not satisfactory. Most of the samples showed high acid content. Residual chlorine was above the prescribed limit of 0.3 ppm (parts per million). Iron content was also high in most of the samples tested at the Government Regional Analytical Laboratory at Kakkanad. Coliform count was 1,600 organisms/100 ml against the upper limit of 10 organisms per 100 ml in a water sample.

Sixteen brands of packaged drinking water in Ernakulam were found contaminated with E.coli and coliform bacteria. Tests conducted at the Food Quality Monitoring Laboratory under the Council for Food Research and Development in Konni found that coliform count and E. coli were less than 2 organisms/100 ml against the rule that coliform bacteria or E. coli should not be present in packaged drinking water. Excessive acid content was found in another packaged drinking water sample.

Reacting to the increasing incidents of contamination of drinking water, Food Safety Commissioner Biju Prabhakar said stringent action would be taken against tanker lorry operators found supplying contaminated water to the public. He said the drive would be extended across all districts in the coming days.

However, Mr. Prabhakar pointed out that action against the packaged drinking water companies will be initiated only after collecting ‘formal samples’. “Only a marginal presence of coliform bacteria was found in the samples tested at the laboratory in Konni. But we will continue our drive against the violators, with the scientific collection of water samples already progressing in various areas,” he said.

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Dear Sir,

In Bangladesh all over the rural areas people use tube well for their safe drinking water. They drink direct tube well water without boil. They never think their safety from e-coli and other bacteria.

Only think arsenic problem. Arsenic is big problem in Bangladesh. More than 30 million people are highly affected in arsenic.

In Bangladesh arsenic maximum contaminants label 50ppb and who's maximum contaminants label 10ppb.

People never think (USEPA drinking water contaminants) other microorganisms, toxic chemical, pesticides, and radionuclides, organic and inorganic chemical contaminants for their health safety.

All of these contaminants are found in ground water.

For this reason people affected many disease (liver, kidney, heart and brain) day by day.
We need your advice for our poor people how can afford their safe drinking water for their good health.

Actually we interested to know which purifying method (ultrafiltration, ultraviolet light, reverse osmosis system, nano membrane system, ozone method and chemical process method etc.) is appropriate for safe drinking water.

We are waiting for your gratefully answer.

from:  Zillur Rahman
Posted on: Apr 21, 2013 at 22:37 IST

Hi this is true in all the cities and also in Bangalore where I stay this is the problem.
Muncipal corporations can use CLO2 to sanitize water but are either ignorant about it or simply ignore because it is little costly to sanitize water then the current method of using chloring.
I am having necessary expertise on treating and cleaning borewells if interested touch base with me

from:  Murali Krishna
Posted on: Apr 20, 2013 at 13:22 IST
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