Water Hardness Atlas ZIP / postcode

Tap water hardness in Telemark

We have published hardness data for 4 cities in Telemark. The median is 2.4 °dH; the hardest water is in Skien (2.8 °dH), the softest in Seljord (1 °dH).

0 % of these cities have hard or very hard water (over 120 mg/L).

Norwegian waterworks report hardness in °dH or mg/L Ca; most supplies are very soft.

Cities in Telemark, hardest first

°dHmg/L
Skien2.849soft
Vinje2.646soft
Hjartdal2.240soft
Seljord119soft

All cities in Norway →