Sometimes you may notice a change in the taste or smell of your drinking water.

The water is often described as having a TCP, antiseptic, metallic, chemical, medicinal or bitter taste or smell to it. It's noticeable when you first run the tap, in boiled drinks, or when a glass of water has stood for a period of time. 

The factsheets below explain the common causes of changes in the appearance of drinking water and what you can do to help: