WaterHard.uk

Water Hardness in DL1 Darlington

Supplied by Northumbrian Water • County Durham, North East

0 200 400 74 ppm
Slightly Hard
74
ppm (mg/L CaCO₃)
5.2°
Clark Degrees
4.1°
German Degrees (dH)
7.4°
French Degrees (fH)

Water Hardness in Darlington (DL1)

The water in postcode district DL1 is classified as slightly hard with a hardness level of 74 ppm (parts per million) calcium carbonate. This is 131 ppm below the UK national average of 205 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

How DL1 Compares

Area Hardness PPM
DL1 Darlington
74 ppm
74 ppm
UK National Average
205 ppm
205 ppm

Nearby Areas

Frequently Asked Questions

What is the water hardness in DL1 Darlington?
The water in DL1 Darlington has a hardness level of 74 ppm (parts per million) calcium carbonate, classified as slightly hard. This is 131 ppm below the UK national average of 205 ppm.
Which water company supplies DL1?
DL1 Darlington is supplied by Northumbrian Water. Northumbrian Water serves the North East region.
Is the water in DL1 safe to drink?
Yes. Slightly Hard water at 74 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 DL1?
At 74 ppm, the water in DL1 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 74 ppm water hardness mean?
74 ppm means there are 74 parts per million of calcium carbonate dissolved in the water. This is equivalent to 5.2 Clark degrees, 4.1 German degrees, or 7.4 French degrees. Water above 180 ppm is generally considered hard.

All postcodes in DarlingtonNorthumbrian Water coverageHardest water areasSoftest water areas

Get updates for DL1

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