Tap water hardness in Bratislava Region
We have published hardness data for 61 cities in Bratislava Region. The median is 2.13 mmol/L; the hardest water is in Borinka (3.96 mmol/L), the softest in Veľké Leváre (1.3 mmol/L).
100 % of these cities have hard or very hard water (over 120 mg/L).
Slovak suppliers report "Vápnik a horčík" in mmol/L; the recommended range is 1.1–5 mmol/L.
Cities in Bratislava Region, hardest first
| mmol/L | mg/L | ||
|---|---|---|---|
| Borinka | 3.96 | 396 | very hard |
| Sološnica | 3.85 | 385 | very hard |
| Modra | 3.72 | 372 | very hard |
| Dubová | 3.62 | 362 | very hard |
| Plavecký Mikuláš | 3.56 | 356 | very hard |
| Rohožník | 3.55 | 355 | very hard |
| Jablonec | 3.5 | 350 | very hard |
| Studienka | 3.38 | 338 | very hard |
| Vištuk | 3.38 | 338 | very hard |
| Kostolište | 3.29 | 329 | very hard |
| Doľany | 3.27 | 327 | very hard |
| Malacky | 3.24 | 324 | very hard |
| Vysoká pri Morave | 3.24 | 324 | very hard |
| Budmerice | 3.09 | 309 | very hard |
| Stupava | 3.05 | 305 | very hard |
| Marianka | 2.92 | 292 | very hard |
| Plavecké Podhradie | 2.91 | 291 | very hard |
| Záhorská Ves | 2.65 | 265 | very hard |
| Láb | 2.59 | 259 | very hard |
| Štefanová | 2.59 | 259 | very hard |
| Suchohrad | 2.59 | 259 | very hard |
| Plavecký Štvrtok | 2.53 | 253 | very hard |
| Kuchyňa | 2.51 | 251 | very hard |
| Zohor | 2.48 | 248 | very hard |
| Bratislava | 2.47 | 247 | very hard |
| Píla | 2.44 | 244 | very hard |
| Častá | 2.37 | 237 | very hard |
| Pezinok | 2.32 | 232 | very hard |
| Vinosady | 2.32 | 232 | very hard |
| Limbach | 2.25 | 225 | very hard |
| Kaplna | 2.13 | 213 | very hard |
| Boldog | 2.12 | 212 | very hard |
| Igram | 2.12 | 212 | very hard |
| Senec | 2.12 | 212 | very hard |
| Tomášov | 2.12 | 212 | very hard |
| Zálesie | 2.12 | 212 | very hard |
| Ivanka pri Dunaji | 2.11 | 211 | very hard |
| Malinovo | 2.11 | 211 | very hard |
| Most pri Bratislave | 2.11 | 211 | very hard |
| Báhoň | 2.1 | 210 | very hard |
| Bernolákovo | 2.1 | 210 | very hard |
| Kalinkovo | 2.1 | 210 | very hard |
| Reca | 2.1 | 210 | very hard |
| Kráľová pri Senci | 2.09 | 209 | very hard |
| Šenkvice | 2.09 | 209 | very hard |
| Veľký Biel | 2.09 | 209 | very hard |
| Čataj | 2.08 | 208 | very hard |
| Hamuliakovo | 2.08 | 208 | very hard |
| Nová Dedinka | 2.08 | 208 | very hard |
| Viničné | 2.08 | 208 | very hard |
| Rovinka | 2.07 | 207 | very hard |
| Svätý Jur | 2.05 | 205 | very hard |
| Vlky | 2.05 | 205 | very hard |
| Dunajská Lužná | 2.04 | 204 | very hard |
| Miloslavov | 2.03 | 203 | very hard |
| Tureň | 2 | 200 | very hard |
| Chorvátsky Grob | 1.98 | 198 | very hard |
| Jablonové | 1.98 | 198 | very hard |
| Pernek | 1.98 | 198 | very hard |
| Slovenský Grob | 1.98 | 198 | very hard |
| Veľké Leváre | 1.3 | 130 | hard |