Tap water hardness in Diekirch
We have published hardness data for 10 cities in Diekirch. The median is 24.3 °fH; the hardest water is in Bettendorf (50 °fH), the softest in Mertzig (8.1 °fH).
90 % of these cities have hard or very hard water (over 120 mg/L).
Luxembourg communes report hardness in °fH (and °dH).
Cities in Diekirch, hardest first
| °fH | mg/L | ||
|---|---|---|---|
| Bettendorf | 50 | 500 | very hard |
| Vallée de l'Ernz | 28.9 | 289 | very hard |
| Ettelbruck | 27.9 | 279 | very hard |
| Reisdorf | 26 | 260 | very hard |
| Schieren | 26 | 260 | very hard |
| Diekirch | 22.6 | 226 | very hard |
| Erpeldange | 21.6 | 216 | very hard |
| Bourscheid | 19.7 | 197 | very hard |
| Feulen | 15.7 | 157 | hard |
| Mertzig | 8.1 | 81 | moderately hard |