Tap water hardness in Basilicata
We have published hardness data for 7 cities in Basilicata. The median is 18.2 °fH; the hardest water is in Venosa (36.5 °fH), the softest in Lavello (15.3 °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 Basilicata, hardest first
| °fH | mg/L | ||
|---|---|---|---|
| Venosa | 36.5 | 365 | very hard |
| Policoro | 22.9 | 229 | very hard |
| Potenza | 19 | 190 | very hard |
| Bernalda | 18.2 | 182 | very hard |
| Matera | 18.2 | 182 | very hard |
| Melfi | 16.7 | 167 | hard |
| Lavello | 15.3 | 153 | hard |