WaterHard.uk

Water Hardness in TR9 St Columb

Supplied by South West Water • Cornwall, South West

107 PPM 0 200 400
Slightly Hard
107
ppm (mg/L CaCO₃)
7.5°
Clark Degrees
German Degrees (dH)
10.7°
French Degrees (fH)

Water Hardness in St Columb (TR9)

The water in postcode district TR9 is classified as slightly hard with a hardness level of 107 ppm (parts per million) calcium carbonate. This is 100 ppm below the UK national average of 207 ppm.

Your water is supplied by South West Water, which serves the South West region. South West Water 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 St Columb

At 107 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 TR9 Compares

Area Hardness PPM
TR9 St Columb
107 ppm
107 ppm
UK National Average
207 ppm
207 ppm

Nearby Areas

Frequently Asked Questions

What is the water hardness in TR9 St Columb?
The water in TR9 St Columb has a hardness level of 107 ppm (parts per million) calcium carbonate, classified as slightly hard. This is 100 ppm below the UK national average of 207 ppm.
Which water company supplies TR9?
TR9 St Columb is supplied by South West Water. South West Water serves the South West region.
Is the water in TR9 safe to drink?
Yes. Slightly Hard water at 107 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 TR9?
At 107 ppm, the water in TR9 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 107 ppm water hardness mean?
107 ppm means there are 107 parts per million of calcium carbonate dissolved in the water. This is equivalent to 7.5 Clark degrees, 6 German degrees, or 10.7 French degrees. Water above 180 ppm is generally considered hard.

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Get updates for TR9

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