How Hard Is My Water?

Use our water hardness checker tool to find out what the water in your area is really like

What Is Hard Water?

Hard water is found when it comes into contact with the ground. As it passes through, it picks up minerals like calcium and magnesium, and turns from soft to hard. However, if the water falls on non-porous rocks like granite, the water remains soft.

How hard is your water?

While some areas of the UK are fortunate enough to have low mineral, soft water, around 60% of the UK is classed as having hard or very hard water – mainly throughout central, eastern and southern England.

Would you like to know how hard the water in your area is? Simply enter your postcode into the water hardness checker tool below and we’ll tell you.

Your water is:

Measuring hard water

Hard water contains dissolved hardness minerals, such as calcium and magnesium, above 100 parts per million (PPM). With it being a rather broad spectrum, we can abide by the following metrics…

Parts per million (ppm)

0-100 ppm

101-200 ppm

201-350 ppm

Above 350 ppm


Soft to moderately soft

Slightly to moderately hard

Hard to very hard

Aggressively hard

Water hardness checker map

What Makes Hard Water Harmful

Builds up limescale more easily

Limescale is the main problem caused by hard water. Limescale is a deposit that builds up on the insides of your pipes and appliances and can cause many problems.

Causes issues for skin and clothes

Deposits left behind by hard water causes problems for skin and hair. This is especially so for sufferers of dry skin conditions such as eczema.

Soften Your Water Today

Our premium, market-leading solutions for water softening

EcoWater Systems is the world’s largest manufacturer of domestic water softening technology, and with good reason. Our products are built to last and help you live a life of luxury.

Our local experts are on hand to help install your EcoWater system and ensure you are provided with long-lasting soft water. We give these local experts everything they need to look after you for the whole lifetime of your unit.

Featured Guide

Hard water

What is hard water? Hard water is described as ‘hard’ not because there’s any difference in rigidity, but because of its mineral content. During the

Read More »

Perfect Water Softeners

Buying an EcoWater softener or filter couldn’t be easier. Get in touch today and find expert in your area.

Your expert will get in touch and recommend the best system for your house.

They will…

  • Test your water pressure and hardness
  • Advise on the location of your water softener
  • Advise on the right model for your home
  • Give you all the information so you can make an informed choice
  • Remain your point of contact for the entire lifespan of your water softener

Request a Price