Tap water hardness in Mersch
We have published hardness data for 10 cities in Mersch. The median is 23.7 °fH; the hardest water is in Colmar-Berg (30.5 °fH), the softest in Nommern (21.2 °fH).
100 % of these cities have hard or very hard water (over 120 mg/L).
Luxembourg communes report hardness in °fH (and °dH).
Cities in Mersch, hardest first
| °fH | mg/L | ||
|---|---|---|---|
| Colmar-Berg | 30.5 | 305 | very hard |
| Mersch | 27.4 | 274 | very hard |
| Heffingen | 27.1 | 271 | very hard |
| Larochette | 25.9 | 259 | very hard |
| Bissen | 23.8 | 238 | very hard |
| Fischbach | 23.6 | 236 | very hard |
| Lorentzweiler | 23 | 230 | very hard |
| Lintgen | 21.8 | 218 | very hard |
| Helperknapp | 21.3 | 213 | very hard |
| Nommern | 21.2 | 212 | very hard |