Tap water hardness in South Somerset
We have published hardness data for 12 cities in South Somerset. The median is 234 mg/L; the hardest water is in Milborne Port (365 mg/L), the softest in Langport (42 mg/L).
67 % 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 South Somerset, hardest first
| mg/L | mg/L | ||
|---|---|---|---|
| Milborne Port | 365 | 365 | very hard |
| Ilminster | 307 | 307 | very hard |
| Wincanton | 295 | 295 | very hard |
| Bruton | 294 | 294 | very hard |
| Castle Cary | 289 | 289 | very hard |
| Chard | 279 | 279 | very hard |
| Yeovil | 188 | 188 | very hard |
| Crewkerne | 177 | 177 | hard |
| South Petherton | 81 | 81 | moderately hard |
| Curry Rivel | 44 | 44 | soft |
| Martock | 43 | 43 | soft |
| Langport | 42 | 42 | soft |