Water hardness in Feldkirchen in Kärnten
8.6 °dH hard
Tap water in Feldkirchen in Kärnten is hard: 8.6 °dH (154 mg/L · 9 gpg · 15.4 °fH).
Source: Stadtgemeinde Feldkirchen in Kärnten - Informationen zum Trinkwasser 2025 (Amtstafel) (2025) · data checked 2026-10-20
Range across supply zones: 88–229 mg/L.
8 supply zones — hardness varies by neighbourhood; the figure above is the median.
Hardness by district / supply zone
| °dH | mg/L | ||
|---|---|---|---|
| Feldkirchen Stadt-Lindl-Unterrain | 10.5 | 187 | very hard |
| Förolach-Raunach | 7.9 | 141 | hard |
| HB Glanhofen-Egg-Stocklitz | 10.6 | 189 | very hard |
| Pernegg-Dolintschig | 12.8 | 229 | very hard |
| Radweger Quelle | 8.2 | 146 | hard |
| Rottendorf-Markstein | 4.9 | 88 | moderately hard |
| Sittich-Persching | 5.8 | 104 | moderately hard |
| St. Ulrich-Pökelitz-Haiden | 9.1 | 162 | hard |
Feldkirchen in Kärnten publishes a notice on its Amtstafel for 2025 with hardness for eight supply areas. The median is 154.4 mg/L CaCO₃ and the range is 87.5 to 228.5 mg/L, so one part of town can have noticeably softer water than another. The notice has no publication date and the year comes from its title. Find your locality in the list before you decide on treatment.
Angabe in °dH; Härtebereiche wie in Deutschland üblich.
Water data
| Total hardness | 8.6 °dH |
|---|---|
| Utility | Stadtgemeinde Feldkirchen in Kärnten (Wasserversorgung) |
How Feldkirchen in Kärnten compares
- Tap water in Feldkirchen in Kärnten is 38 % softer than the median of the 159 cities we track in Austria (14 °dH).
- By hardness it ranks 151 of 159 in Austria (1 = hardest); 5 % of these cities have softer water.
- In Kärnten it is number 4 of 4 cities; the regional median is 11.5 °dH.
- Nearest city with clearly softer water: Bischofshofen, 102 km away (6.1 °dH).
- Nearest city with clearly harder water: Klagenfurt, 19 km away (18.5 °dH).
Ranking of the hardest and softest water in Austria →
What it means at home
- Fast scale on taps, shower screens and kettle; white spots on glassware.
- Water heater: efficiency loss and element failures within years if unprotected.
- Dry skin and dull hair after showering are common.
- Softener recommended; jug or reverse osmosis for drinking.
How much salt will you use for softening?
Recommended, especially with a heater or boiler: scale cuts efficiency and shortens its life.
Descale a coffee machine or kettle about every 2 months (typical manufacturer guidance for this hardness).
Estimates for planning, not a quote. Check your appliance manual for exact settings.
Dishwasher setting in Feldkirchen in Kärnten
| Brand | Setting for this water |
|---|---|
| Bosch | H02 |
| Miele | 9 °dH |
| AEG / Electrolux | 2 |
| Beko | 3rd |
| Hoover | S1 |
| LG | H2 |
From each brand's manual for the model family named in the source; your model may differ, so check its manual. All brands and how to change the setting →
FAQ
Is Feldkirchen in Kärnten water hard or soft?
It is hard: 154 mg/L as CaCO₃ (9 gpg, 8.6 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Feldkirchen in Kärnten safe to drink?
Hardness is not a health issue; it is about limescale, taste and appliances. Mains water must meet national drinking-water standards. Angabe in °dH; Härtebereiche wie in Deutschland üblich.
How many grains per gallon is Feldkirchen in Kärnten water?
9 gpg, equal to 8.6 °dH, 15.4 °fH or 154 mg/L calcium carbonate.
What dishwasher salt setting should I use in Feldkirchen in Kärnten?
For 154 mg/L (8.6 °dH) check your manufacturer's table: level 4–5.
Do I need a water softener in Feldkirchen in Kärnten?
Recommended if you have a water heater, boiler or tankless unit: it saves repairs and detergent.
Source
Source: Stadtgemeinde Feldkirchen in Kärnten - Informationen zum Trinkwasser 2025 (Amtstafel) (2025). Method: figure published by the water supplier. Stadtgemeinde Feldkirchen in Kärnten - Informationen zum Trinkwasser 2025 (Amtstafel) · Outdated figure? Tell us