WaterHard.uk

Water Hardness in TW5 Hounslow

Supplied by Thames Water • Greater London, London

0 200 400 289 ppm
Hard
289
ppm (mg/L CaCO₃)
20.2°
Clark Degrees
16.2°
German Degrees (dH)
28.9°
French Degrees (fH)

Water Hardness in Hounslow (TW5)

The water in postcode district TW5 is classified as hard with a hardness level of 289 ppm (parts per million) calcium carbonate. This is 84 ppm above the UK national average of 205 ppm.

Your water is supplied by Thames Water, which serves the London region. Thames Water draws water from sources that naturally contain dissolved minerals, primarily calcium and magnesium compounds.

What Does Hard Water Mean for Your Home?

  • ! Significant limescale buildup in kettles, pipes and boilers
  • ! Soap scum on shower screens and taps
  • ! Higher energy bills from scale in heating elements
  • ! Dry skin and dull hair after washing
  • ! White residue on dishes and glassware

Solutions for Hard Water in Hounslow

At 289 ppm, you may benefit from a water softener or filter to reduce limescale and improve water quality.

View Solutions Water Softener Guide

How TW5 Compares

Area Hardness PPM
TW5 Hounslow
289 ppm
289 ppm
UK National Average
205 ppm
205 ppm

Nearby Areas

TW4
Hounslow
288 ppm
TW7
Isleworth
291 ppm

Frequently Asked Questions

What is the water hardness in TW5 Hounslow?
The water in TW5 Hounslow has a hardness level of 289 ppm (parts per million) calcium carbonate, classified as hard. This is 84 ppm above the UK national average of 205 ppm.
Which water company supplies TW5?
TW5 Hounslow is supplied by Thames Water. Thames Water serves the London region.
Is the water in TW5 safe to drink?
Yes. Hard water at 289 ppm is safe to drink. Water hardness affects taste and can cause limescale, but it is not a health risk. In fact, hard water contains beneficial minerals like calcium and magnesium.
How can I reduce water hardness in TW5?
For hard water at 289 ppm, a whole-house water softener is the most effective solution. You can also use a jug filter for drinking water, descaling products for appliances, and a shower filter for better skin and hair.
What does 289 ppm water hardness mean?
289 ppm means there are 289 parts per million of calcium carbonate dissolved in the water. This is equivalent to 20.2 Clark degrees, 16.2 German degrees, or 28.9 French degrees. Water above 180 ppm is generally considered hard.

All postcodes in Hounslow • Thames Water coverage • Hardest water areas • Softest water areas

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