WaterHard.uk

Water Hardness in DA3 Longfield

Supplied by Thames Water • Greater London, London

0 200 400 317 ppm
Very Hard
317
ppm (mg/L CaCO₃)
22.2°
Clark Degrees
17.8°
German Degrees (dH)
31.7°
French Degrees (fH)

Water Hardness in Longfield (DA3)

The water in postcode district DA3 is classified as very hard with a hardness level of 317 ppm (parts per million) calcium carbonate. This is 112 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 Longfield

At 317 ppm, you may benefit from a water softener or filter to reduce limescale and improve water quality.

View Solutions Water Softener Guide

How DA3 Compares

Area Hardness PPM
DA3 Longfield
317 ppm
317 ppm
UK National Average
205 ppm
205 ppm

Nearby Areas

DA2
Dartford
316 ppm
DA4
Dartford
318 ppm
DA5
Bexley
319 ppm

Frequently Asked Questions

What is the water hardness in DA3 Longfield?
The water in DA3 Longfield has a hardness level of 317 ppm (parts per million) calcium carbonate, classified as very hard. This is 112 ppm above the UK national average of 205 ppm.
Which water company supplies DA3?
DA3 Longfield is supplied by Thames Water. Thames Water serves the London region.
Is the water in DA3 safe to drink?
Yes. Very Hard water at 317 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 DA3?
For very hard water at 317 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 317 ppm water hardness mean?
317 ppm means there are 317 parts per million of calcium carbonate dissolved in the water. This is equivalent to 22.2 Clark degrees, 17.8 German degrees, or 31.7 French degrees. Water above 180 ppm is generally considered hard.

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

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