Interactive tool
Warsaw water hardness finder
Pick your district. Get °dH bands, unit conversions, and practical settings for dishwashers, coffee machines, kettles, and filters — in English.
Last reviewed: Next review: Source: Editorial — Warsaw Home Help (mapped from MPWiK °dH bands)Download CSV
Bands curated from MPWiK twardość wody. Exact street supply can vary — treat as a planning guide.
Choose a district to see hardness, conversions, and appliance settings. Without JavaScript, use the district reference table below.
Supply snapshot
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Appliance settingsBand: —
- Dishwasher — aim for about — °dH in the machine menu.
- Coffee / espresso —
- Kettle & aerators —
- Filters —
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Unit converter
Paste a hardness reading from a test strip or appliance manual — convert between °dH, °fH, ppm, and gpg.
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District reference table
Same bands as our water by district map and plant-level hardness table. Download the CSV for spreadsheets or citations.
| District | Plant / network | Typical °dH | Scale |
|---|---|---|---|
| Mokotów | Central network (Filtry / Praga plants) | ~13.5–16 °dH | Medium |
| Śródmieście | Central network (Filtry / Praga plants) | ~13.5–16 °dH | Medium |
| Ochota | Central network (Filtry / Praga plants) | ~13.5–16 °dH | Medium |
| Wola | Central network (Filtry / Praga plants) | ~13.5–16 °dH | Medium |
| Ursynów | Central / southern network | ~13.5–16.5 °dH | Medium |
| Wilanów | Central / southern network | ~13.5–16.5 °dH | Medium |
| Żoliborz | Northern plant (Północ) / northern network | ~14–15.5 °dH | Medium |
| Bielany | Northern plant (Północ) / northern network | ~14–15.5 °dH | Medium |
| Praga-Północ | Praga plant / east network | ~13.5–16 °dH | Medium |
| Wesoła | Local Wesoła stations | ~16–20 °dH | Medium–hard |
| Wawer | Local Wawer stations (Radość / Falenica) | ~12–16 °dH | Medium |
How to cite this tool
Editors, university welcome desks, and relocation teams: link the finder URL with a district query (example: https://warsawhomehelp.com/insights/warsaw-water-hardness-finder/?district=mokotow), or embed the iframe from the share panel. Cite Warsaw Home Help and MPWiK as the hardness source. Dataset schema on this page points to warsaw-water-by-district.csv.
Related: tap filter options, quality parameters, is tap water safe?