WaterHard.uk

Water Hardness in DA18 Erith

Supplied by Thames Water • Greater London, London

0 200 400 262 ppm
Hard
262
ppm (mg/L CaCO₃)
18.3°
Clark Degrees
14.7°
German Degrees (dH)
26.2°
French Degrees (fH)

Water Hardness in Erith (DA18)

The water in postcode district DA18 is classified as hard with a hardness level of 262 ppm (parts per million) calcium carbonate. This is 57 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 Hard Water Mean for Your Home?

  • ! Significant limescale buildup in kettles, pipes and boilers
  • ! Soap scum on shower screens and taps
  • ! Higher energy bills from scale in heating elements
  • ! Dry skin and dull hair after washing
  • ! White residue on dishes and glassware

Solutions for Hard Water in Erith

At 262 ppm, you may benefit from a water softener or filter to reduce limescale and improve water quality.

View Solutions Water Softener Guide

How DA18 Compares

Area Hardness PPM
DA18 Erith
262 ppm
262 ppm
UK National Average
205 ppm
205 ppm

Nearby Areas

DA17
Belvedere
261 ppm

Frequently Asked Questions

What is the water hardness in DA18 Erith?
The water in DA18 Erith has a hardness level of 262 ppm (parts per million) calcium carbonate, classified as hard. This is 57 ppm above the UK national average of 205 ppm.
Which water company supplies DA18?
DA18 Erith is supplied by Thames Water. Thames Water serves the London region.
Is the water in DA18 safe to drink?
Yes. Hard water at 262 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 DA18?
For hard water at 262 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 262 ppm water hardness mean?
262 ppm means there are 262 parts per million of calcium carbonate dissolved in the water. This is equivalent to 18.3 Clark degrees, 14.7 German degrees, or 26.2 French degrees. Water above 180 ppm is generally considered hard.

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

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