Tap water hardness in Calderdale

We have published hardness data for 9 cities in Calderdale. The median is 38 mg/L; the hardest water is in Mytholmroyd (43 mg/L), the softest in Ripponden (30 mg/L).

0 % 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 Calderdale, hardest first

All cities in the United Kingdom →