The hardness of water is a measure of the amount of minerals, mainly calcium and magnesium, that are present in the water. These minerals occur naturally in water as it flows through soil and rocks. Hard water contains more of these minerals, while soft water contains less of them. The hardness of water can affect things such as the formation of limescale in pipes and appliances, and the taste of the water.
The hardness of tap water varies depending on the region.
The water company that supplies your drinking water is obliged to publish figures about the hardness of your water.
For Flanders:
On this card from the VMM you will find a global overview, and at the Aqua Flanders website find out which water company is your supplier. You can then find out how hard your water is on your supplier's website.
For Wallonia:
Via this link you can find out which water company is your supplier on the Aquawal website. You can then find out how hard your water is on your supplier's website.
For Brussels:
Via this link you can find the water hardness of your tap water on the Vivaqua website.
Are you not finding the right information or are you unsure? Feel free to contact us with your question and we will be happy to help you.
