Tap water hardness in Agder
We have published hardness data for 4 cities in Agder. The median is 0.6 °dH; the hardest water is in Arendal (2 °dH), the softest in Kvinesdal (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 Agder, hardest first
| °dH | mg/L | ||
|---|---|---|---|
| Arendal | 2 | 36 | soft |
| Hægebostad | 0.7 | 12 | soft |
| Lindesnes | 0.6 | 11 | soft |
| Kvinesdal | 0.4 | 7 | soft |