WaterHard.uk

Water Hardness in EX4 Exeter

Supplied by South West Water • Devon, South West

78 PPM 0 200 400
Slightly Hard
78
ppm (mg/L CaCO₃)
5.5°
Clark Degrees
4.4°
German Degrees (dH)
7.8°
French Degrees (fH)

Water Hardness in Exeter (EX4)

The water in postcode district EX4 is classified as slightly hard with a hardness level of 78 ppm (parts per million) calcium carbonate. This is 129 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 Exeter

At 78 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 EX4 Compares

Area Hardness PPM
EX4 Exeter
78 ppm
78 ppm
UK National Average
207 ppm
207 ppm

Nearby Areas

EX3
Exeter
77 ppm
EX5
Exeter
79 ppm
EX6
Exeter
80 ppm

Frequently Asked Questions

What is the water hardness in EX4 Exeter?
The water in EX4 Exeter has a hardness level of 78 ppm (parts per million) calcium carbonate, classified as slightly hard. This is 129 ppm below the UK national average of 207 ppm.
Which water company supplies EX4?
EX4 Exeter is supplied by South West Water. South West Water serves the South West region.
Is the water in EX4 safe to drink?
Yes. Slightly Hard water at 78 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 EX4?
At 78 ppm, the water in EX4 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 78 ppm water hardness mean?
78 ppm means there are 78 parts per million of calcium carbonate dissolved in the water. This is equivalent to 5.5 Clark degrees, 4.4 German degrees, or 7.8 French degrees. Water above 180 ppm is generally considered hard.

Learn More

All postcodes in Exeter South West Water coverage Hard water effects on your home Solutions for hard water

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