WaterHard.uk

Water Hardness in DN9 Doncaster

Supplied by Yorkshire Water • South Yorkshire, Yorkshire

180 PPM 0 200 400
Moderately Hard
180
ppm (mg/L CaCO₃)
12.6°
Clark Degrees
10.1°
German Degrees (dH)
18°
French Degrees (fH)

Water Hardness in Doncaster (DN9)

The water in postcode district DN9 is classified as moderately hard with a hardness level of 180 ppm (parts per million) calcium carbonate. This is 27 ppm below the UK national average of 207 ppm.

Your water is supplied by Yorkshire Water, which serves the Yorkshire region. Yorkshire 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 Doncaster

At 180 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 DN9 Compares

Area Hardness PPM
DN9 Doncaster
180 ppm
180 ppm
UK National Average
207 ppm
207 ppm

Nearby Areas

DN8
Doncaster
179 ppm
DN10
Doncaster
165 ppm
DN11
Doncaster
166 ppm

Frequently Asked Questions

What is the water hardness in DN9 Doncaster?
The water in DN9 Doncaster has a hardness level of 180 ppm (parts per million) calcium carbonate, classified as moderately hard. This is 27 ppm below the UK national average of 207 ppm.
Which water company supplies DN9?
DN9 Doncaster is supplied by Yorkshire Water. Yorkshire Water serves the Yorkshire region.
Is the water in DN9 safe to drink?
Yes. Moderately Hard water at 180 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 DN9?
At 180 ppm, the water in DN9 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 180 ppm water hardness mean?
180 ppm means there are 180 parts per million of calcium carbonate dissolved in the water. This is equivalent to 12.6 Clark degrees, 10.1 German degrees, or 18 French degrees. Water above 180 ppm is generally considered hard.

Learn More

All postcodes in Doncaster Yorkshire Water coverage Hard water effects on your home Solutions for hard water

Get updates for DN9

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