Water hardness in Mattighofen
13.3 °dH very hard
Tap water in Mattighofen is very hard: 13.3 °dH (237 mg/L · 13.9 gpg · 23.7 °fH).
Source: Stadtgemeinde Mattighofen, Trinkwasser-Untersuchung (Prüfbericht AU2608134, Protokoll 2608134-01 and 2608134-04) (2026-09) · data checked 2026-11-05
The town of Mattighofen has published a drinking-water test report from September 2026. It measured 237.4 mg/L CaCO₃, about 13.3 °dH, which is very hard water. The report does not describe the water's origin; in daily use, this level means visible limescale on taps, shower screens and in appliances with a heating element.
Angabe in °dH; Härtebereiche wie in Deutschland üblich.
Water data
| Total hardness | 13.3 °dH |
|---|
How Mattighofen compares
- Tap water in Mattighofen is 5 % softer than the median of the 159 cities we track in Austria (14 °dH).
- By hardness it ranks 85 of 159 in Austria (1 = hardest); 47 % of these cities have softer water.
- In Oberösterreich it is number 7 of 10 cities; the regional median is 14.5 °dH.
- Nearest city with clearly softer water: Bischofshofen, 77 km away (6.1 °dH).
- Nearest city with clearly harder water: Sankt Valentin, 102 km away (21.3 °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 Mattighofen
| Brand | Setting for this water |
|---|---|
| Bosch | H04 |
| Miele | 13 °dH |
| AEG / Electrolux | 3 |
| Beko | 4th |
| Hoover | S2 |
| 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 Mattighofen water hard or soft?
It is very hard: 237 mg/L as CaCO₃ (13.9 gpg, 13.3 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Mattighofen 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 Mattighofen water?
13.9 gpg, equal to 13.3 °dH, 23.7 °fH or 237 mg/L calcium carbonate.
What dishwasher salt setting should I use in Mattighofen?
For 237 mg/L (13.3 °dH) check your manufacturer's table: maximum level (5–7).
Do I need a water softener in Mattighofen?
Yes, unless you are only passing through: scale damages appliances within a few years.
Source
Source: Stadtgemeinde Mattighofen, Trinkwasser-Untersuchung (Prüfbericht AU2608134, Protokoll 2608134-01 and 2608134-04) (2026-09). Method: own measurement. Stadtgemeinde Mattighofen, Trinkwasser-Untersuchung (Prüfbericht AU2608134, Protokoll 2608134-01 and 2608134-04) · Outdated figure? Tell us