WaterHard.uk

Water Hardness in NW4 London

Supplied by Thames Water • Greater London, London

0 200 400 319 ppm
Very Hard
319
ppm (mg/L CaCO₃)
22.3°
Clark Degrees
17.9°
German Degrees (dH)
31.9°
French Degrees (fH)

Water Hardness in London (NW4)

The water in postcode district NW4 is classified as very hard with a hardness level of 319 ppm (parts per million) calcium carbonate. This is 114 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 London

At 319 ppm, you may benefit from a water softener or filter to reduce limescale and improve water quality.

View Solutions Water Softener Guide

How NW4 Compares

Area Hardness PPM
NW4 London
319 ppm
319 ppm
UK National Average
205 ppm
205 ppm

Nearby Areas

NW3
London
318 ppm
NW5
London
320 ppm
NW6
London
321 ppm

Frequently Asked Questions

What is the water hardness in NW4 London?
The water in NW4 London has a hardness level of 319 ppm (parts per million) calcium carbonate, classified as very hard. This is 114 ppm above the UK national average of 205 ppm.
Which water company supplies NW4?
NW4 London is supplied by Thames Water. Thames Water serves the London region.
Is the water in NW4 safe to drink?
Yes. Very Hard water at 319 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 NW4?
For very hard water at 319 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 319 ppm water hardness mean?
319 ppm means there are 319 parts per million of calcium carbonate dissolved in the water. This is equivalent to 22.3 Clark degrees, 17.9 German degrees, or 31.9 French degrees. Water above 180 ppm is generally considered hard.

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