WaterHard.uk

Water Hardness in W1W London

Supplied by Severn Trent Water • Greater London, London

0 200 400 163 ppm
Moderately Hard
163
ppm (mg/L CaCO₃)
11.4°
Clark Degrees
9.1°
German Degrees (dH)
16.3°
French Degrees (fH)

Water Hardness in London (W1W)

The water in postcode district W1W is classified as moderately hard with a hardness level of 163 ppm (parts per million) calcium carbonate. This is 42 ppm below the UK national average of 205 ppm.

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

What Does Moderately Hard Water Mean for Your Home?

  • ~ Noticeable limescale buildup in kettles and boilers
  • ~ Soap may not lather as easily
  • ~ Showerhead may need descaling periodically
  • ~ Slight film on glassware after washing

How W1W Compares

Area Hardness PPM
W1W London
163 ppm
163 ppm
UK National Average
205 ppm
205 ppm

Nearby Areas

Frequently Asked Questions

What is the water hardness in W1W London?
The water in W1W London has a hardness level of 163 ppm (parts per million) calcium carbonate, classified as moderately hard. This is 42 ppm below the UK national average of 205 ppm.
Which water company supplies W1W?
W1W London is supplied by Severn Trent Water. Severn Trent Water serves the London region.
Is the water in W1W safe to drink?
Yes. Moderately Hard water at 163 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 W1W?
At 163 ppm, the water in W1W is moderately hard and unlikely to cause significant issues. A jug filter can improve taste, but a water softener is generally not necessary.
What does 163 ppm water hardness mean?
163 ppm means there are 163 parts per million of calcium carbonate dissolved in the water. This is equivalent to 11.4 Clark degrees, 9.1 German degrees, or 16.3 French degrees. Water above 180 ppm is generally considered hard.

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