Tap water hardness in Doncaster
We have published hardness data for 11 cities in Doncaster. The median is 269 mg/L; the hardest water is in Tickhill (300 mg/L), the softest in Thorne (251 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 Doncaster, hardest first
| mg/L | mg/L | ||
|---|---|---|---|
| Tickhill | 300 | 300 | very hard |
| Bentley | 291 | 291 | very hard |
| Mexborough | 286 | 286 | very hard |
| Askern | 276 | 276 | very hard |
| Adwick le Street | 272 | 272 | very hard |
| Conisbrough | 269 | 269 | very hard |
| Bawtry | 262 | 262 | very hard |
| Doncaster | 257 | 257 | very hard |
| Armthorpe | 255 | 255 | very hard |
| Stainforth | 254 | 254 | very hard |
| Thorne | 251 | 251 | very hard |