Tap water hardness in Võrumaa
We have published hardness data for 3 cities in Võrumaa. The median is 2.75 mmol/L; the hardest water is in Antsla (2.8 mmol/L), the softest in Vana-Antsla (2.15 mmol/L).
100 % of these cities have hard or very hard water (over 120 mg/L).
Estonian laboratories report total hardness (üldkaredus) in mmol/L or mg-eq/L (1 mmol/L = 2 mg-eq/L = 100 mg/L CaCO₃); groundwater supplies are mostly hard.
Cities in Võrumaa, hardest first
| mmol/L | mg/L | ||
|---|---|---|---|
| Antsla | 2.8 | 280 | very hard |
| Võru | 2.75 | 275 | very hard |
| Vana-Antsla | 2.15 | 215 | very hard |