WaterHard.uk

Water Hardness in TW11 Teddington

Supplied by Thames Water • Greater London, London

0 200 400 275 ppm
Hard
275
ppm (mg/L CaCO₃)
19.2°
Clark Degrees
15.4°
German Degrees (dH)
27.5°
French Degrees (fH)

Water Hardness in Teddington (TW11)

The water in postcode district TW11 is classified as hard with a hardness level of 275 ppm (parts per million) calcium carbonate. This is 70 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 Teddington

At 275 ppm, you may benefit from a water softener or filter to reduce limescale and improve water quality.

View Solutions Water Softener Guide

How TW11 Compares

Area Hardness PPM
TW11 Teddington
275 ppm
275 ppm
UK National Average
205 ppm
205 ppm

Nearby Areas

TW10
Richmond
274 ppm
TW12
Hampton
276 ppm
TW13
Feltham
277 ppm

Frequently Asked Questions

What is the water hardness in TW11 Teddington?
The water in TW11 Teddington has a hardness level of 275 ppm (parts per million) calcium carbonate, classified as hard. This is 70 ppm above the UK national average of 205 ppm.
Which water company supplies TW11?
TW11 Teddington is supplied by Thames Water. Thames Water serves the London region.
Is the water in TW11 safe to drink?
Yes. Hard water at 275 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 TW11?
For hard water at 275 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 275 ppm water hardness mean?
275 ppm means there are 275 parts per million of calcium carbonate dissolved in the water. This is equivalent to 19.2 Clark degrees, 15.4 German degrees, or 27.5 French degrees. Water above 180 ppm is generally considered hard.

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

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