Tap water hardness in Swale
We have published hardness data for 9 cities in Swale. The median is 303 mg/L; the hardest water is in Queenborough (307 mg/L), the softest in Lower Halstow (194 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 Swale, hardest first
| mg/L | mg/L | ||
|---|---|---|---|
| Queenborough | 307 | 307 | very hard |
| Sittingbourne | 307 | 307 | very hard |
| Leysdown-on-Sea | 305 | 305 | very hard |
| Sheerness | 305 | 305 | very hard |
| Eastchurch | 303 | 303 | very hard |
| Iwade | 302 | 302 | very hard |
| Upchurch | 250 | 250 | very hard |
| Newington | 245 | 245 | very hard |
| Lower Halstow | 194 | 194 | very hard |