Hardest and softest tap water in Sweden
All 33 cities in Sweden with published data, ranked by total hardness. The national median is 4.7 °dH.
Swedish municipalities report °dH; most surface-water supplies are soft.
16 cities with the hardest water
| # | °dH | mg/L | ||
|---|---|---|---|---|
| 1 | Ystad · Skåne | 9 | 161 | hard |
| 2 | Borlänge · Dalarna | 7.7 | 138 | hard |
| 3 | Uppsala · Uppsala län | 7.7 | 137 | hard |
| 4 | Falun · Dalarna | 7.4 | 132 | hard |
| 5 | Gävle · Gävleborgs län | 7.4 | 131 | hard |
| 6 | Värnamo · Jönköping | 6.9 | 123 | hard |
| 7 | Danderyd · Stockholm | 6.3 | 113 | moderately hard |
| 8 | Sollentuna · Stockholm | 6.3 | 113 | moderately hard |
| 9 | Upplands Väsby · Stockholm | 6.3 | 113 | moderately hard |
| 10 | Vallentuna · Stockholm | 6.3 | 113 | moderately hard |
| 11 | Nyköping · Södermanlands län | 6 | 107 | moderately hard |
| 12 | Täby · Stockholms län | 5.9 | 105 | moderately hard |
| 13 | Rinkeby · Stockholm | 5 | 89 | moderately hard |
| 14 | Stockholm · Stockholms län | 5 | 89 | moderately hard |
| 15 | Trångsund · Stockholm | 5 | 89 | moderately hard |
| 16 | Nacka · Stockholm | 4.8 | 86 | moderately hard |
16 cities with the softest water
| # | °dH | mg/L | ||
|---|---|---|---|---|
| 1 | Vänersborg · Västra Götaland | 1.4 | 25 | soft |
| 2 | Kungälv · Västra Götalands län | 2 | 35 | soft |
| 3 | Köping · Västmanland | 2 | 36 | soft |
| 4 | Örnsköldsvik · Västernorrlands län | 2.5 | 45 | soft |
| 5 | Kristinehamn · Värmland | 2.5 | 45 | soft |
| 6 | Skellefteå · Västerbottens län | 2.6 | 46 | soft |
| 7 | Växjö · Kronobergs län | 2.7 | 48 | soft |
| 8 | Trollhättan · Västra Götaland | 2.7 | 49 | soft |
| 9 | Gothenburg · Västra Götalands län | 3 | 53 | soft |
| 10 | Piteå · Norrbottens län | 3 | 54 | soft |
| 11 | Härnösand · Västernorrlands län | 3 | 54 | soft |
| 12 | Björlanda · Västra Götaland | 3 | 54 | soft |
| 13 | Lerum · Västra Götaland | 3.3 | 59 | soft |
| 14 | Östersund · Jämtland | 3.4 | 61 | moderately hard |
| 15 | Huskvarna · Jönköping | 3.7 | 67 | moderately hard |
| 16 | Karlshamn · Blekinge | 4.5 | 80 | moderately hard |