Tap water hardness in Grevenmacher
We have published hardness data for 8 cities in Grevenmacher. The median is 13.2 °fH; the hardest water is in Mertert (21.2 °fH), the softest in Biwer (11.2 °fH).
63 % of these cities have hard or very hard water (over 120 mg/L).
Luxembourg communes report hardness in °fH (and °dH).
Cities in Grevenmacher, hardest first
| °fH | mg/L | ||
|---|---|---|---|
| Mertert | 21.2 | 212 | very hard |
| Betzdorf | 16.7 | 167 | hard |
| Manternach | 15.4 | 155 | hard |
| Junglinster | 13.4 | 134 | hard |
| Flaxweiler | 13.1 | 131 | hard |
| Wormeldange | 11.6 | 116 | moderately hard |
| Grevenmacher | 11.6 | 116 | moderately hard |
| Biwer | 11.2 | 112 | moderately hard |