Water quality

If the taste, appearance or smell of your water has changed, find out what the cause may be and how to fix it.


Check your water quality and hardness

Use our water quality checker to learn about the quality and hardness of the water in your area.

Discoloured water

Find out why your water's appearance has changed and how to get it back to normal.

Hard water and limescale

See our advice on how to get rid of limescale and learn more about hard water.

Tastes and smells

Discover what to do if your water tastes or smells unusual.

Mould, slimes and stains

Learn about how to prevent and remove moulds, slimes and stains.

What to expect if we need to test your water

We carry out water sampling visits at randomly selected properties to test our supply – find out what to expect if your home is selected.