Tap water hardness in Akershus
We have published hardness data for 7 cities in Akershus. The median is 1.4 °dH; the hardest water is in Nordre Follo (3 °dH), the softest in Lunner (0.6 °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 Akershus, hardest first
| °dH | mg/L | ||
|---|---|---|---|
| Nordre Follo | 3 | 54 | soft |
| Bærum | 2.7 | 49 | soft |
| Gjerdrum | 1.4 | 25 | soft |
| Lillestrøm | 1.4 | 25 | soft |
| Asker | 1 | 18 | soft |
| Frogn | 0.6 | 12 | soft |
| Lunner | 0.6 | 11 | soft |