Tap water hardness in Wakefield
We have published hardness data for 12 cities in Wakefield. The median is 276 mg/L; the hardest water is in South Elmsall (297 mg/L), the softest in Horbury (22 mg/L).
83 % 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 Wakefield, hardest first
| mg/L | mg/L | ||
|---|---|---|---|
| South Elmsall | 297 | 297 | very hard |
| Castleford | 290 | 290 | very hard |
| Pontefract | 285 | 285 | very hard |
| Featherstone | 282 | 282 | very hard |
| Knottingley | 282 | 282 | very hard |
| Upton | 280 | 280 | very hard |
| Hemsworth | 272 | 272 | very hard |
| Normanton | 225 | 225 | very hard |
| Crofton | 206 | 206 | very hard |
| Wakefield | 157 | 157 | hard |
| Ossett | 106 | 106 | moderately hard |
| Horbury | 22 | 22 | soft |