Tap water hardness in Liguria
We have published hardness data for 7 cities in Liguria. The median is 22 °fH; the hardest water is in Diano Marina (27 °fH), the softest in Genoa (15 °fH).
100 % of these cities have hard or very hard water (over 120 mg/L).
Italian utilities report °f (French degrees); D.Lgs. 31/2001 recommends 15–50 °f.
Cities in Liguria, hardest first
| °fH | mg/L | ||
|---|---|---|---|
| Diano Marina | 27 | 270 | very hard |
| Ventimiglia | 26 | 260 | very hard |
| Imperia | 25 | 250 | very hard |
| Taggia | 22 | 220 | very hard |
| Sanremo | 19.5 | 195 | very hard |
| Bordighera | 19 | 190 | very hard |
| Genoa | 15 | 150 | hard |