Tap water hardness in Central Jutland
We have published hardness data for 90 cities in Central Jutland. The median is 11.7 °dH; the hardest water is in Juelsminde (18.8 °dH), the softest in Silkeborg (3.6 °dH).
91 % of these cities have hard or very hard water (over 120 mg/L).
Danish waterworks report hardness in °dH; GEUS classes: soft < 8, medium hard 8–12, fairly hard 12–18, hard 18–30, very hard > 30 °dH. Most Danish tap water is groundwater and hard.
Cities in Central Jutland, hardest first
| °dH | mg/L | ||
|---|---|---|---|
| Juelsminde | 18.8 | 336 | very hard |
| Tranebjerg | 18.5 | 330 | very hard |
| Tilst | 17.9 | 320 | very hard |
| Århus | 17.6 | 314 | very hard |
| Gjellerup | 17.6 | 314 | very hard |
| Viby | 17.3 | 309 | very hard |
| Beder | 16.9 | 303 | very hard |
| Grenaa | 16.1 | 287 | very hard |
| Skanderborg | 16 | 286 | very hard |
| Lisbjerg | 15.9 | 284 | very hard |
| Stavtrup | 15.7 | 280 | very hard |
| Malling | 15.5 | 277 | very hard |
| Horsens | 15.4 | 275 | very hard |
| Kolt | 15.2 | 272 | very hard |
| Stilling | 15.2 | 271 | very hard |
| Hjortshøj | 15 | 269 | very hard |
| Tranbjerg | 14.9 | 267 | very hard |
| Gedved | 14.6 | 261 | very hard |
| Mårslet | 14.4 | 257 | very hard |
| Solbjerg | 14.4 | 257 | very hard |
| Uldum | 14.3 | 256 | very hard |
| Harlev | 14.2 | 253 | very hard |
| Hornsyld | 14.2 | 253 | very hard |
| Rønde | 14.1 | 253 | very hard |
| Østbirk | 14 | 250 | very hard |
| Galten | 13.8 | 246 | very hard |
| Langå | 13.8 | 246 | very hard |
| Skovby | 13.8 | 246 | very hard |
| Hørning | 13.7 | 245 | very hard |
| Odder | 13.5 | 241 | very hard |
| Framlev | 13.2 | 236 | very hard |
| Kjellerup | 13.2 | 236 | very hard |
| Løgten | 13 | 232 | very hard |
| Hatting | 12.8 | 228 | very hard |
| Assentoft | 12.7 | 227 | very hard |
| Hammel | 12.7 | 227 | very hard |
| Sabro | 12.7 | 227 | very hard |
| Auning | 12.5 | 223 | very hard |
| Hadsten | 12.4 | 222 | very hard |
| Randers | 12.3 | 220 | very hard |
| Ulstrup | 12.2 | 218 | very hard |
| Ans | 12.1 | 216 | very hard |
| Trige | 12.1 | 215 | very hard |
| Hinnerup | 12 | 215 | very hard |
| Hedensted | 11.7 | 209 | very hard |
| Låsby | 11.7 | 209 | very hard |
| Allingåbro | 11.6 | 208 | very hard |
| Hornslet | 11.6 | 207 | very hard |
| Gjern | 11.3 | 202 | very hard |
| Løsning | 11.1 | 198 | very hard |
| Søften | 11 | 196 | very hard |
| Spentrup | 10.9 | 195 | very hard |
| Ry | 10.8 | 193 | very hard |
| Ryomgård | 10.6 | 189 | very hard |
| Bjerringbro | 10.3 | 184 | very hard |
| Holstebro | 10.3 | 184 | very hard |
| Lemvig | 9.9 | 178 | hard |
| Ørum | 9.9 | 177 | hard |
| Harboøre | 9.8 | 175 | hard |
| Avlum | 9.6 | 171 | hard |
| Skive | 9.3 | 166 | hard |
| Skals | 9.2 | 164 | hard |
| Brædstrup | 9.1 | 162 | hard |
| Vildbjerg | 9.1 | 162 | hard |
| Stoholm | 8.8 | 157 | hard |
| Ringkøbing | 8.5 | 153 | hard |
| Hvide Sande | 8.5 | 152 | hard |
| Sunds | 8.3 | 148 | hard |
| Tørring | 8.3 | 148 | hard |
| Herning | 8.1 | 145 | hard |
| Lind | 8.1 | 145 | hard |
| Snejbjerg | 8.1 | 145 | hard |
| Viborg | 8.1 | 145 | hard |
| Ikast | 8 | 143 | hard |
| Thyborøn | 7.7 | 137 | hard |
| Vinderup | 7.6 | 136 | hard |
| Thorsø | 7.6 | 135 | hard |
| Them | 7.5 | 133 | hard |
| Tarm | 7.4 | 132 | hard |
| Ulfborg | 7.4 | 132 | hard |
| Vemb | 7.3 | 130 | hard |
| Skjern | 7.1 | 127 | hard |
| Hammerum | 6.4 | 115 | moderately hard |
| Kibæk | 6.2 | 111 | moderately hard |
| Struer | 6.1 | 109 | moderately hard |
| Virklund | 5.9 | 105 | moderately hard |
| Videbæk | 5.5 | 98 | moderately hard |
| Karup | 5.3 | 95 | moderately hard |
| Brande | 4.7 | 84 | moderately hard |
| Silkeborg | 3.6 | 64 | moderately hard |