How an Ozonation System Solved E. Coli and Bad Smell in Water

 At Green Meadows Apartments in Tambaram, residents were facing an unusual and worrying issue.

“The water looked clear when it flowed from the taps, but there was always a foul, rotten-egg smell,” one resident explained.

“Even worse, many families were facing recurring stomach infections, and doctors suspected the water might be the reason.”

The residents tried boiling, chlorination, and even frequent tank cleaning. But the problem always returned.

It wasn’t the cleaning.
It was the water itself.

The borewell water was contaminated with E. coli and fecal coliform bacteria from nearby sewage seepage. The bad smell came from hydrogen sulfide gas and microbial growth in the pipelines and overhead tanks.

Why Did This Happen?

When tested, the water revealed:

  • High E. coli and coliform bacteria → caused by sewage contamination.

  • Hydrogen sulfide gas → responsible for the strong foul smell.

  • Biological contamination → made the water unsafe for cooking, bathing, and drinking.

Here’s what that meant for families:

  • Children often had diarrhea and stomach pain.

  • The bad smell from the taps made cooking and bathing unpleasant.

  • Water tanks developed slimy deposits.

  • Even filtered water didn’t taste or smell clean.

This wasn’t just about foul odor — it was a serious health hazard.

Our Recommendation: Install an Ozonation System with Activated Carbon

We suggested a two-step protection system at the main water inlet:

  • Ozonation system → uses ozone gas to kill bacteria, viruses, and pathogens instantly without leaving harmful byproducts.

  • Activated carbon water filter → removes odor, organic matter, and any leftover smell, ensuring fresh and clean water.

Unlike chlorine dosing, which only offers temporary relief and leaves toxic residues, ozonation provides chemical-free, long-term protection.

The Result: Safe, Fresh, and Odor-Free Water

Within days of installation, residents noticed dramatic changes:

  • The foul smell disappeared completely.

  • Children stopped falling sick repeatedly.

  • Cooking and bathing became pleasant again.

  • Overhead tanks and pipelines stayed cleaner with no slimy buildup.

One resident shared,
 “Earlier, we were embarrassed to even serve guests water because of the smell. Now, the water is fresh, clear, and safe — we no longer worry about infections.”

The Takeaway: Don’t Ignore Biological Contamination

If your home or apartment faces:

…it’s time to act.

At Water Sparks, we install Ozonation Systems with Activated Carbon Filters for homes, apartments, and institutions. These advanced systems permanently remove biological contamination, foul odor, and bacteria from your water.

One system. One installation.
Safe water, no smell, fewer illnesses, and complete peace of mind. To understand everything better watch ➡️ Biological Contamination in Water
Location: 37MC+C7V, Raja Muthiah Rd, Periamet, Kannappar Thidal, Poongavanapuram, Chennai, Tamil Nadu 600003, India

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