WaterHard.uk

Water Hardness in PL8 Plymouth

Supplied by South West Water • Devon, South West

137 PPM 0 200 400
Moderately Hard
137
ppm (mg/L CaCO₃)
9.6°
Clark Degrees
7.7°
German Degrees (dH)
13.7°
French Degrees (fH)

Water Hardness in Plymouth (PL8)

The water in postcode district PL8 is classified as moderately hard with a hardness level of 137 ppm (parts per million) calcium carbonate. This is 70 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 Moderately Hard Water Mean for Your Home?

  • ~ Noticeable limescale buildup in kettles and boilers
  • ~ Soap may not lather as easily
  • ~ Showerhead may need descaling periodically
  • ~ Slight film on glassware after washing

Test Your Water in Plymouth

At 137 ppm, your water is moderately 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.

View on Amazon

How PL8 Compares

Area Hardness PPM
PL8 Plymouth
137 ppm
137 ppm
UK National Average
207 ppm
207 ppm

Nearby Areas

PL7
Plymouth
136 ppm
PL9
Plymouth
138 ppm
PL10
Torpoint
44 ppm

Frequently Asked Questions

What is the water hardness in PL8 Plymouth?
The water in PL8 Plymouth has a hardness level of 137 ppm (parts per million) calcium carbonate, classified as moderately hard. This is 70 ppm below the UK national average of 207 ppm.
Which water company supplies PL8?
PL8 Plymouth is supplied by South West Water. South West Water serves the South West region.
Is the water in PL8 safe to drink?
Yes. Moderately Hard water at 137 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 PL8?
At 137 ppm, the water in PL8 is moderately hard and unlikely to cause significant issues. A jug filter can improve taste, but a water softener is generally not necessary.
What does 137 ppm water hardness mean?
137 ppm means there are 137 parts per million of calcium carbonate dissolved in the water. This is equivalent to 9.6 Clark degrees, 7.7 German degrees, or 13.7 French degrees. Water above 180 ppm is generally considered hard.

Learn More

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

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