WaterHard.uk

Water Hardness in HA6 Northwood

Supplied by Thames Water • Greater London, London

0 200 400 333 ppm
Very Hard
333
ppm (mg/L CaCO₃)
23.3°
Clark Degrees
18.7°
German Degrees (dH)
33.3°
French Degrees (fH)

Water Hardness in Northwood (HA6)

The water in postcode district HA6 is classified as very hard with a hardness level of 333 ppm (parts per million) calcium carbonate. This is 128 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 Northwood

At 333 ppm, you may benefit from a water softener or filter to reduce limescale and improve water quality.

View Solutions Water Softener Guide

How HA6 Compares

Area Hardness PPM
HA6 Northwood
333 ppm
333 ppm
UK National Average
205 ppm
205 ppm

Nearby Areas

HA5
Pinner
332 ppm
HA7
Stanmore
334 ppm
HA8
Edgware
335 ppm

Frequently Asked Questions

What is the water hardness in HA6 Northwood?
The water in HA6 Northwood has a hardness level of 333 ppm (parts per million) calcium carbonate, classified as very hard. This is 128 ppm above the UK national average of 205 ppm.
Which water company supplies HA6?
HA6 Northwood is supplied by Thames Water. Thames Water serves the London region.
Is the water in HA6 safe to drink?
Yes. Very Hard water at 333 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 HA6?
For very hard water at 333 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 333 ppm water hardness mean?
333 ppm means there are 333 parts per million of calcium carbonate dissolved in the water. This is equivalent to 23.3 Clark degrees, 18.7 German degrees, or 33.3 French degrees. Water above 180 ppm is generally considered hard.

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

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