Tap water hardness in York
We have published hardness data for 5 cities in York. The median is 260 mg/L; the hardest water is in Huntington (292 mg/L), the softest in Copmanthorpe (235 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 York, hardest first
| mg/L | mg/L | ||
|---|---|---|---|
| Huntington | 292 | 292 | very hard |
| Haxby | 277 | 277 | very hard |
| York | 260 | 260 | very hard |
| Skelton | 257 | 257 | very hard |
| Copmanthorpe | 235 | 235 | very hard |