Tap water hardness in Středočeský kraj
We have published hardness data for 21 cities in Středočeský kraj. The median is 0.8 mmol/L; the hardest water is in Kladno (3.1 mmol/L), the softest in Kvílice (0.74 mmol/L).
38 % of these cities have hard or very hard water (over 120 mg/L).
Czech suppliers report "Vápník a hořčík" in mmol/L; the recommended range is 2–3.5 mmol/L.
Cities in Středočeský kraj, hardest first
| mmol/L | mg/L | ||
|---|---|---|---|
| Kladno | 3.1 | 310 | very hard |
| Mladá Boleslav | 2.58 | 258 | very hard |
| Hokov | 1.47 | 147 | hard |
| Vlkov | 1.44 | 144 | hard |
| Hořovičky | 1.43 | 143 | hard |
| Děkov | 1.41 | 141 | hard |
| Nová Ves | 1.37 | 137 | hard |
| Vrbice | 1.33 | 133 | hard |
| Roztoky | 1.12 | 112 | moderately hard |
| Neprobylice | 0.8 | 80 | moderately hard |
| Třebíz | 0.8 | 80 | moderately hard |
| Bílichov | 0.79 | 79 | moderately hard |
| Hořešovice | 0.79 | 79 | moderately hard |
| Klobuky | 0.78 | 78 | moderately hard |
| Hořešovičky | 0.77 | 77 | moderately hard |
| Kobylníky | 0.77 | 77 | moderately hard |
| Kutrovice | 0.77 | 77 | moderately hard |
| Vrbičany | 0.77 | 77 | moderately hard |
| Kokovice | 0.77 | 77 | moderately hard |
| Zichovec | 0.75 | 75 | moderately hard |
| Kvílice | 0.74 | 74 | moderately hard |