Tap water hardness in Winchester
We have published hardness data for 5 cities in Winchester. The median is 302 mg/L; the hardest water is in Kings Worthy (302 mg/L), the softest in Colden Common (285 mg/L).
100 % of these cities have hard or very hard water (over 120 mg/L).
UK suppliers report mg/L CaCO₃ and often Clark degrees (1 °Clark = 14.25 mg/L).
Cities in Winchester, hardest first
| mg/L | mg/L | ||
|---|---|---|---|
| Kings Worthy | 302 | 302 | very hard |
| Twyford | 302 | 302 | very hard |
| Winchester | 302 | 302 | very hard |
| New Alresford | 287 | 287 | very hard |
| Colden Common | 285 | 285 | very hard |