WaterHard.uk

Water Hardness in CF3 Cardiff

Supplied by Welsh Water (Dwr Cymru) • Cardiff, Wales

72 PPM 0 200 400
Slightly Hard
72
ppm (mg/L CaCO₃)
5°
Clark Degrees
4°
German Degrees (dH)
7.2°
French Degrees (fH)

Water Hardness in Cardiff (CF3)

The water in postcode district CF3 is classified as slightly hard with a hardness level of 72 ppm (parts per million) calcium carbonate. This is 135 ppm below the UK national average of 207 ppm.

Your water is supplied by Welsh Water (Dwr Cymru), which serves the Wales region. Welsh Water (Dwr Cymru) draws water from sources that naturally contain dissolved minerals, primarily calcium and magnesium compounds.

What Does Slightly Hard Water Mean for Your Home?

  • ~ Minor limescale may appear in kettles over time
  • ~ Soap lathers reasonably well
  • ~ Appliances generally unaffected
  • ~ Good balance of mineral taste

Test Your Water in Cardiff

At 72 ppm, your water is slightly hard. A home testing kit lets you verify the exact hardness and check for other contaminants.

SJ WAVE 16-in-1 Water Testing Kit

From ~£10

Quick home water test strips — checks hardness, pH, chlorine, lead, and 12 other parameters. Results in 60 seconds. 100 strips per pack.

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How CF3 Compares

Area Hardness PPM
CF3 Cardiff
72 ppm
72 ppm
UK National Average
207 ppm
207 ppm

Nearby Areas

CF2
Cardiff
71 ppm
CF5
Cardiff
74 ppm

Frequently Asked Questions

What is the water hardness in CF3 Cardiff?
The water in CF3 Cardiff has a hardness level of 72 ppm (parts per million) calcium carbonate, classified as slightly hard. This is 135 ppm below the UK national average of 207 ppm.
Which water company supplies CF3?
CF3 Cardiff is supplied by Welsh Water (Dwr Cymru). Welsh Water (Dwr Cymru) serves the Wales region.
Is the water in CF3 safe to drink?
Yes. Slightly Hard water at 72 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 CF3?
At 72 ppm, the water in CF3 is slightly hard and unlikely to cause significant issues. A jug filter can improve taste, but a water softener is generally not necessary.
What does 72 ppm water hardness mean?
72 ppm means there are 72 parts per million of calcium carbonate dissolved in the water. This is equivalent to 5 Clark degrees, 4 German degrees, or 7.2 French degrees. Water above 180 ppm is generally considered hard.

Learn More

All postcodes in Cardiff Welsh Water (Dwr Cymru) coverage Hard water effects on your home Solutions for hard water

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