Tap water hardness in Gravesham
We have published hardness data for 4 cities in Gravesham. The median is 320 mg/L; the hardest water is in Istead Rise (322 mg/L), the softest in Gravesend (307 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 Gravesham, hardest first
| mg/L | mg/L | ||
|---|---|---|---|
| Istead Rise | 322 | 322 | very hard |
| Meopham | 322 | 322 | very hard |
| Culverstone Green | 317 | 317 | very hard |
| Gravesend | 307 | 307 | very hard |