WaterHard.uk

Water Hardness in KT23 Leatherhead

Supplied by Thames Water • Greater London, London

0 200 400 345 ppm
Very Hard
345
ppm (mg/L CaCO₃)
24.1°
Clark Degrees
19.3°
German Degrees (dH)
34.5°
French Degrees (fH)

Water Hardness in Leatherhead (KT23)

The water in postcode district KT23 is classified as very hard with a hardness level of 345 ppm (parts per million) calcium carbonate. This is 140 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 Very Hard Water Mean for Your Home?

  • ! Heavy limescale requiring frequent descaling
  • ! Blocked showerheads and reduced water flow
  • ! Substantially higher energy bills from boiler scale
  • ! Dry, itchy skin and lifeless hair
  • ! White crusty deposits on taps and surfaces
  • ! Reduced lifespan of washing machines and dishwashers

Solutions for Hard Water in Leatherhead

At 345 ppm, you may benefit from a water softener or filter to reduce limescale and improve water quality.

View Solutions Water Softener Guide

How KT23 Compares

Area Hardness PPM
KT23 Leatherhead
345 ppm
345 ppm
UK National Average
205 ppm
205 ppm

Nearby Areas

KT22
Leatherhead
344 ppm
KT24
Leatherhead
346 ppm

Frequently Asked Questions

What is the water hardness in KT23 Leatherhead?
The water in KT23 Leatherhead has a hardness level of 345 ppm (parts per million) calcium carbonate, classified as very hard. This is 140 ppm above the UK national average of 205 ppm.
Which water company supplies KT23?
KT23 Leatherhead is supplied by Thames Water. Thames Water serves the London region.
Is the water in KT23 safe to drink?
Yes. Very Hard water at 345 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 KT23?
For very hard water at 345 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 345 ppm water hardness mean?
345 ppm means there are 345 parts per million of calcium carbonate dissolved in the water. This is equivalent to 24.1 Clark degrees, 19.3 German degrees, or 34.5 French degrees. Water above 180 ppm is generally considered hard.

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