Hardness is a natural characteristic of much of Ireland's drinking water supply. Search for the water hardness results in your area and learn how to prevent and treat limescale.
Lead in drinking water is a recognised health concern. There are no lead water mains in Ireland but there are still some lead pipes remaining in the public network.
The taste and smell of the drinking water from your tap shouldn't go through abnormal changes. However, certain factors can make a difference to the taste or smell.
The water in your tap should appear as clear and colourless as it does leaving the water treatment plant. On some occasions it may appear discoloured.
Drinking water parameters are tested to ensure your water quality is at an acceptable standard. We test and monitor all public water supplies regularly.
The addition of chlorine is an essential step disinfect your drinking water. A consequence of this process is the formation of Trihalomethanes (THMs).
Contact time describes the amount of chlorine that has been added to a water supply and the length of time it has been allowed to mix with the water to disinfect it.
This process combines chlorine and ammonia to disinfect your drinking water. It is useful for water supplies with long pipe networks or that are prone to Trihalomethanes (THMs).
Know what to do if you receive a notice saying public mains is not safe to drink unless boiled and cooled.
Visit our page of frequently asked questions to learn more about why we treat water and how drinking water is tested.