WaterHard.uk

Water Hardness in DA9 Greenhithe

Supplied by Thames Water • Greater London, London

0 200 400 323 ppm
Very Hard
323
ppm (mg/L CaCO₃)
22.6°
Clark Degrees
18.1°
German Degrees (dH)
32.3°
French Degrees (fH)

Water Hardness in Greenhithe (DA9)

The water in postcode district DA9 is classified as very hard with a hardness level of 323 ppm (parts per million) calcium carbonate. This is 118 ppm above the UK national average of 205 ppm.

Your water is supplied by Thames Water, which serves the London region. Thames Water draws water from sources that naturally contain dissolved minerals, primarily calcium and magnesium compounds.

What Does Very Hard Water Mean for Your Home?

  • ! Heavy limescale requiring frequent descaling
  • ! Blocked showerheads and reduced water flow
  • ! Substantially higher energy bills from boiler scale
  • ! Dry, itchy skin and lifeless hair
  • ! White crusty deposits on taps and surfaces
  • ! Reduced lifespan of washing machines and dishwashers

Solutions for Hard Water in Greenhithe

At 323 ppm, you may benefit from a water softener or filter to reduce limescale and improve water quality.

View Solutions Water Softener Guide

How DA9 Compares

Area Hardness PPM
DA9 Greenhithe
323 ppm
323 ppm
UK National Average
205 ppm
205 ppm

Nearby Areas

DA8
Erith
322 ppm
DA10
Swanscombe
254 ppm
DA11
Gravesend
255 ppm

Frequently Asked Questions

What is the water hardness in DA9 Greenhithe?
The water in DA9 Greenhithe has a hardness level of 323 ppm (parts per million) calcium carbonate, classified as very hard. This is 118 ppm above the UK national average of 205 ppm.
Which water company supplies DA9?
DA9 Greenhithe is supplied by Thames Water. Thames Water serves the London region.
Is the water in DA9 safe to drink?
Yes. Very Hard water at 323 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 DA9?
For very hard water at 323 ppm, a whole-house water softener is the most effective solution. You can also use a jug filter for drinking water, descaling products for appliances, and a shower filter for better skin and hair.
What does 323 ppm water hardness mean?
323 ppm means there are 323 parts per million of calcium carbonate dissolved in the water. This is equivalent to 22.6 Clark degrees, 18.1 German degrees, or 32.3 French degrees. Water above 180 ppm is generally considered hard.

All postcodes in Greenhithe • Thames Water coverage • Hardest water areas • Softest water areas

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