Compare tap water hardness in 74 cities in Liège, Belgium. Average: 30°fH (Good quality).
In Liège province, tap water hardness averages 30°fH, corresponding to moderately hard water. The softest water is found in Bellevaux-Ligneuville (7°fH, score 10/10) and the hardest in Vottem (48°fH, score 2/10). The Belgian national average is 30°fH. All 74 cities in our database have water that complies with European potability standards (Directive 2020/2184).
The average tap water hardness in Liège province is 30°fH, corresponding to moderately hard water. Among the 74 cities covered, the softest water is found in Bellevaux-Ligneuville (7°fH) and the hardest in Vottem (48°fH). The Belgian national average is 30°fH.
Yes. Tap water in Liège province meets European potability standards (Directive 2020/2184). The hardness of 30°fH does not affect sanitary safety, only appliance maintenance and taste. All 74 cities in our database show compliant water.
At 30°fH average, a water softener is optional in Liège. Basic anti-scale measures (pitcher filter, regular descaling) are sufficient in most cities.
Water in Liège province is distributed by SWDE (Wallonia), De Watergroep / VMM (Flanders) or VIVAQUA (Brussels), depending on the municipality. Data in our database comes from official analyses published by these utilities in 2024.
All 74 cities in Liège province with their TH hardness values are listed on this page. Click on any city name to get full details: quality index, sanitary compliance, appliance impact and personalised recommendations.
Data: SWDE (Wallonia), De Watergroep / VMM (Flanders), VIVAQUA (Brussels) (2024).