WaterHard.uk

Water Hardness in CA4 Carlisle

Supplied by Severn Trent Water • Cumbria, North West

167 PPM 0 200 400
Moderately Hard
167
ppm (mg/L CaCO₃)
11.7°
Clark Degrees
9.4°
German Degrees (dH)
16.7°
French Degrees (fH)

Water Hardness in Carlisle (CA4)

The water in postcode district CA4 is classified as moderately hard with a hardness level of 167 ppm (parts per million) calcium carbonate. This is 40 ppm below the UK national average of 207 ppm.

Your water is supplied by Severn Trent Water, which serves the North West region. Severn Trent 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 Carlisle

At 167 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.

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How CA4 Compares

Area Hardness PPM
CA4 Carlisle
167 ppm
167 ppm
UK National Average
207 ppm
207 ppm

Nearby Areas

CA3
Carlisle
166 ppm
CA5
Carlisle
168 ppm
CA6
Carlisle
169 ppm

Frequently Asked Questions

What is the water hardness in CA4 Carlisle?
The water in CA4 Carlisle has a hardness level of 167 ppm (parts per million) calcium carbonate, classified as moderately hard. This is 40 ppm below the UK national average of 207 ppm.
Which water company supplies CA4?
CA4 Carlisle is supplied by Severn Trent Water. Severn Trent Water serves the North West region.
Is the water in CA4 safe to drink?
Yes. Moderately Hard water at 167 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 CA4?
At 167 ppm, the water in CA4 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 167 ppm water hardness mean?
167 ppm means there are 167 parts per million of calcium carbonate dissolved in the water. This is equivalent to 11.7 Clark degrees, 9.4 German degrees, or 16.7 French degrees. Water above 180 ppm is generally considered hard.

Learn More

All postcodes in Carlisle Severn Trent Water coverage Hard water effects on your home Solutions for hard water

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