WaterHard.uk

Water Hardness in DL11 Richmond

Supplied by Northumbrian Water • County Durham, North East

116 PPM 0 200 400
Slightly Hard
116
ppm (mg/L CaCO₃)
8.1°
Clark Degrees
6.5°
German Degrees (dH)
11.6°
French Degrees (fH)

Water Hardness in Richmond (DL11)

The water in postcode district DL11 is classified as slightly hard with a hardness level of 116 ppm (parts per million) calcium carbonate. This is 91 ppm below the UK national average of 207 ppm.

Your water is supplied by Northumbrian Water, which serves the North East region. Northumbrian 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 Richmond

At 116 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.

View on Amazon

How DL11 Compares

Area Hardness PPM
DL11 Richmond
116 ppm
116 ppm
UK National Average
207 ppm
207 ppm

Nearby Areas

DL10
Richmond
115 ppm
DL12
Barnard Castle
117 ppm
DL13
Bishop Auckland
118 ppm

Frequently Asked Questions

What is the water hardness in DL11 Richmond?
The water in DL11 Richmond has a hardness level of 116 ppm (parts per million) calcium carbonate, classified as slightly hard. This is 91 ppm below the UK national average of 207 ppm.
Which water company supplies DL11?
DL11 Richmond is supplied by Northumbrian Water. Northumbrian Water serves the North East region.
Is the water in DL11 safe to drink?
Yes. Slightly Hard water at 116 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 DL11?
At 116 ppm, the water in DL11 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 116 ppm water hardness mean?
116 ppm means there are 116 parts per million of calcium carbonate dissolved in the water. This is equivalent to 8.1 Clark degrees, 6.5 German degrees, or 11.6 French degrees. Water above 180 ppm is generally considered hard.

Learn More

All postcodes in Richmond Northumbrian Water coverage Hard water effects on your home Solutions for hard water

Get updates for DL11

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