WaterWater Hardness in DH7 Durham
Supplied by Northumbrian Water • County Durham, North East
Moderately Hard
150
ppm (mg/L CaCO₃)
10.5°
Clark Degrees
8.4°
German Degrees (dH)
15°
French Degrees (fH)
Water Hardness in Durham (DH7)
The water in postcode district DH7 is classified as moderately hard with a hardness level of 150 ppm (parts per million) calcium carbonate. This is 55 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 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
How DH7 Compares
| Area | Hardness | PPM |
|---|---|---|
| DH7 Durham | 150 ppm | |
| UK National Average | 205 ppm |
Nearby Areas
Frequently Asked Questions
What is the water hardness in DH7 Durham?
The water in DH7 Durham has a hardness level of 150 ppm (parts per million) calcium carbonate, classified as moderately hard. This is 55 ppm below the UK national average of 205 ppm.
Which water company supplies DH7?
DH7 Durham is supplied by Northumbrian Water. Northumbrian Water serves the North East region.
Is the water in DH7 safe to drink?
Yes. Moderately Hard water at 150 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 DH7?
At 150 ppm, the water in DH7 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 150 ppm water hardness mean?
150 ppm means there are 150 parts per million of calcium carbonate dissolved in the water. This is equivalent to 10.5 Clark degrees, 8.4 German degrees, or 15 French degrees. Water above 180 ppm is generally considered hard.
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