Tap water hardness in Nordland
We have published hardness data for 10 cities in Nordland. The median is 1.9 °dH; the hardest water is in Hattfjelldal (4.8 °dH), the softest in Herøy (0.4 °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 Nordland, hardest first
| °dH | mg/L | ||
|---|---|---|---|
| Hattfjelldal | 4.8 | 86 | moderately hard |
| Gildeskål | 3.4 | 61 | moderately hard |
| Bodø | 2.5 | 45 | soft |
| Hadsel | 2.2 | 39 | soft |
| Sortland | 2.1 | 38 | soft |
| Grane | 1.6 | 29 | soft |
| Evenes | 1.5 | 27 | soft |
| Narvik | 1.1 | 19 | soft |
| Rana | 0.6 | 11 | soft |
| Herøy | 0.4 | 7 | soft |