Water hardness in Seiersberg-Pirka
19.4 °dH very hard
Tap water in Seiersberg-Pirka is very hard: 19.4 °dH (346 mg/L · 20.2 gpg · 34.6 °fH).
Source: Gemeinde Seiersberg-Pirka - Wasserbefund März 2026 (Amtstafel / Gemeindekurier) (2026-03) · data checked 2026-10-22
The municipality of Seiersberg-Pirka publishes laboratory reports for its supply network. The March 2026 report, sampled on 2 March, gives 346.3 mg/L CaCO₃. This is a single network sample, not a range across zones. The water is very hard, so descaling the kettle, boiler and shower regularly is a practical need.
Angabe in °dH; Härtebereiche wie in Deutschland üblich.
Water data
| Total hardness | 19.4 °dH |
|---|---|
| Utility | Gemeinde Seiersberg-Pirka (Wasserversorgung) |
How Seiersberg-Pirka compares
- Tap water in Seiersberg-Pirka is 39 % harder than the median of the 159 cities we track in Austria (14 °dH).
- By hardness it ranks 7 of 159 in Austria (1 = hardest); 96 % of these cities have softer water.
- In Steiermark it is number 1 of 8 cities; the regional median is 13.6 °dH.
- Nearest city with clearly softer water: Gleisdorf, 26 km away (14.2 °dH).
- Nearest city with clearly harder water: Perchtoldsdorf, 140 km away (25.9 °dH).
Ranking of the hardest and softest water in Austria →
What it means at home
- Severe scale: heater elements and washing-machine heaters fail early.
- Detergent use is very high; taps and screens coat within days.
- Dishwasher at maximum salt setting.
- An ion-exchange softener is practically essential; RO for drinking water.
How much salt will you use for softening?
Yes. At this hardness a softener pays for itself through appliance life and detergent.
Descale a coffee machine or kettle about every 1 months (typical manufacturer guidance for this hardness).
Estimates for planning, not a quote. Check your appliance manual for exact settings.
Dishwasher setting in Seiersberg-Pirka
| Brand | Setting for this water |
|---|---|
| Bosch | H05 |
| Miele | 19 °dH |
| AEG / Electrolux | 5 |
| Beko | 5th |
| Hoover | S3 |
| LG | H3 |
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 Seiersberg-Pirka water hard or soft?
It is very hard: 346 mg/L as CaCO₃ (20.2 gpg, 19.4 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Seiersberg-Pirka 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 Seiersberg-Pirka water?
20.2 gpg, equal to 19.4 °dH, 34.6 °fH or 346 mg/L calcium carbonate.
What dishwasher salt setting should I use in Seiersberg-Pirka?
For 346 mg/L (19.4 °dH) check your manufacturer's table: maximum level (5–7).
Do I need a water softener in Seiersberg-Pirka?
Yes, unless you are only passing through: scale damages appliances within a few years.
Source
Source: Gemeinde Seiersberg-Pirka - Wasserbefund März 2026 (Amtstafel / Gemeindekurier) (2026-03). Method: figure published by the water supplier. Gemeinde Seiersberg-Pirka - Wasserbefund März 2026 (Amtstafel / Gemeindekurier) · Outdated figure? Tell us