Tap water hardness in Selby
We have published hardness data for 4 cities in Selby. The median is 286 mg/L; the hardest water is in Byram (297 mg/L), the softest in Tadcaster (152 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 Selby, hardest first
| mg/L | mg/L | ||
|---|---|---|---|
| Byram | 297 | 297 | very hard |
| Selby | 287 | 287 | very hard |
| Sherburn in Elmet | 285 | 285 | very hard |
| Tadcaster | 152 | 152 | hard |