Water hardness in Ukraine
8 cities with published hardness data, sorted by population. Median: 2.26 mmol/L.
Median
2.26 mmol/L
226 mg/L CaCO₃ · very hard
- 1 moderately hard
- 1 hard
- 6 very hard
DSanPiN 2.2.4-171-10 limit: 7 mmol/L (≈ 350 mg/L).
Largest places, hardest first
| mmol/L | mg/L | ||
|---|---|---|---|
| Kyiv · Kyiv city | 2.27 | 227 | very hard |
| Odesa · Odesa Oblast | 1 | 100 | moderately hard |
| Lviv · Lviv Oblast | 2.76 | 277 | very hard |
| Zaporizhzhya · Zaporizhzia Oblast | 3.33 | 333 | very hard |
| Rivne · Rivne Oblast | 2.1 | 210 | very hard |
| Ivano-Frankivsk · Ivano-Frankivsk Oblast | 2.55 | 255 | very hard |
| Kremenchuk · Poltava Oblast | 1.56 | 156 | hard |
| Bila Tserkva · Kyiv Oblast | 2.25 | 225 | very hard |