Tap water hardness in podkarpackie
We have published hardness data for 8 cities in podkarpackie. The median is 186 mg/L; the hardest water is in Rzeszów (263 mg/L), the softest in Stalowa Wola (130 mg/L).
100 % of these cities have hard or very hard water (over 120 mg/L).
Polish suppliers report total hardness in mg/L CaCO₃; the drinking-water regulation range is 60–500 mg/L.
Cities in podkarpackie, hardest first
| mg/L | mg/L | ||
|---|---|---|---|
| Rzeszów | 263 | 263 | very hard |
| Mielec | 210 | 210 | very hard |
| Jarosław | 204 | 204 | very hard |
| Dębica | 190 | 190 | very hard |
| Krosno | 182 | 182 | very hard |
| Przemyśl | 170 | 170 | hard |
| Jasło | 162 | 162 | hard |
| Stalowa Wola | 130 | 130 | hard |