Tap water hardness in Dover
We have published hardness data for 5 cities in Dover. The median is 317 mg/L; the hardest water is in Sandwich (352 mg/L), the softest in Deal (300 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 Dover, hardest first
| mg/L | mg/L | ||
|---|---|---|---|
| Sandwich | 352 | 352 | very hard |
| Wingham | 321 | 321 | very hard |
| Ash | 317 | 317 | very hard |
| Eastry | 305 | 305 | very hard |
| Deal | 300 | 300 | very hard |