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Rainwater & Water

Is Your Home Drinking Water Safe?

Taste, smell and stains can warn you that your home's water needs attention. Here are the signs to watch for, why testing matters and the filtration options available.

12 July 20213 min read

Is Your Home Drinking Water Safe?

Key takeaways

  • A salty taste, odour or stains are signs your water should be tested.
  • Testing comes first; the right filter depends on what is in the water.
  • Options range from tap filters to RO units and whole-house systems.
  • Clean sumps and overhead tanks regularly to keep stored water safe.

Most of us assume the water from our taps is safe, but in Chennai the quality depends a lot on the source. Metrowater supply, borewell water and tanker water can each carry different problems, and stored water in sumps and overhead tanks can pick up contamination along the way. Knowing the warning signs helps you decide when to test and what kind of treatment you need.

Signs Your Water Needs Testing

Get your water tested if you notice any of the following:

  • A salty or brackish taste, common with borewell water in coastal and older areas of the city.
  • White scale on taps, kettles and showerheads, which points to hard water.
  • Yellow or brown stains on clothes, tiles or buckets, often from iron.
  • A strange smell or taste, such as rotten eggs, chlorine or mustiness.
  • Cloudy or coloured water, especially after the monsoon.
  • Your borewell or sump is close to a septic tank or sewer line.
  • The plumbing is old, with rusty GI pipes or tanks that have not been cleaned in a long time.

Why Testing Comes First

A water test tells you what is actually in the water: total dissolved solids (TDS), hardness, pH, iron, chlorides and bacteria. Without it, you may buy a filter that does not solve your problem, or pay for treatment you do not need. Accredited water testing laboratories in Chennai can analyse a sample, and the results guide the choice of system.

Common Filtration Options

Treatment can be fitted at a single tap for drinking water, or at the point where water enters the house so that every outlet is covered.

OptionWhat it doesBest for
Tap-mounted or pitcher filterRemoves sediment and some taste and odourSmall households with fairly good water
Under-sink cartridge filterTraps sediment, chlorine and some chemicalsKitchens that need more filtered water
RO purifierReduces dissolved salts, hardness and many contaminantsHigh-TDS borewell or tanker water for drinking
Water softenerExchanges hardness minerals to reduce scaleProtecting geysers, taps and bathrooms
Iron removal filterRemoves iron that causes stains and tasteBorewell water with yellow staining
Whole-house systemTreats all water entering the buildingVillas, apartments and commercial buildings

Every system needs maintenance. Cartridges and membranes must be changed on schedule, and softeners need regular regeneration, or they stop working properly.

Choosing the Right System

Think about how much treated water you need each day, which problems the test showed, and your budget for both the unit and its upkeep. A large family or an apartment block may need a central system rather than individual purifiers. For bigger requirements, our water treatment plant work covers softeners, iron removal and filtration for apartments and commercial buildings.

Do Not Forget Storage and Pipes

Even good water can become unsafe in a dirty sump or overhead tank. Clean tanks at least twice a year, keep lids sealed, and check that no drain or sewage line runs close to the sump. Replacing corroded pipes also helps keep rust and sediment out of your water.

If you are worried about your water quality, call us or request a site visit. We will look at your source, tanks and plumbing and help you choose a suitable treatment option.

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FAQs

Questions about this topic

How do I know if my water is hard?

White scale on taps, showerheads and kettles, and soap that does not lather well, are common signs of hard water. A water test will confirm the hardness level.

Do I need an RO purifier for Metrowater supply?

Not always. RO is mainly useful when TDS is high, as with many borewell and tanker sources. Test your water first to see what treatment it actually needs.

How often should I clean my sump and overhead tank?

Cleaning at least twice a year is a good practice, and also after the monsoon or any contamination. Keep the lids closed to keep out dust, insects and rainwater.

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