WaterHard.uk

Water Hardness in GU23 Woking

Supplied by Thames Water • Surrey, South East

0 200 400 298 ppm
Hard
298
ppm (mg/L CaCO₃)
20.9°
Clark Degrees
16.7°
German Degrees (dH)
29.8°
French Degrees (fH)

Water Hardness in Woking (GU23)

The water in postcode district GU23 is classified as hard with a hardness level of 298 ppm (parts per million) calcium carbonate. This is 93 ppm above the UK national average of 205 ppm.

Your water is supplied by Thames Water, which serves the South East 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 Woking

At 298 ppm, you may benefit from a water softener or filter to reduce limescale and improve water quality.

View Solutions Water Softener Guide

How GU23 Compares

Area Hardness PPM
GU23 Woking
298 ppm
298 ppm
UK National Average
205 ppm
205 ppm

Nearby Areas

GU22
Woking
297 ppm
GU24
Woking
299 ppm
GU25
Virginia Water
300 ppm

Frequently Asked Questions

What is the water hardness in GU23 Woking?
The water in GU23 Woking has a hardness level of 298 ppm (parts per million) calcium carbonate, classified as hard. This is 93 ppm above the UK national average of 205 ppm.
Which water company supplies GU23?
GU23 Woking is supplied by Thames Water. Thames Water serves the South East region.
Is the water in GU23 safe to drink?
Yes. Hard water at 298 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 GU23?
For hard water at 298 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 298 ppm water hardness mean?
298 ppm means there are 298 parts per million of calcium carbonate dissolved in the water. This is equivalent to 20.9 Clark degrees, 16.7 German degrees, or 29.8 French degrees. Water above 180 ppm is generally considered hard.

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

Get updates for GU23

We'll notify you when Thames Water reports changes to water hardness in your area.