Water hardness in Friedberg (Bayern)
12.8 °dH very hard
Tap water in Friedberg (Bayern) is very hard: 12.8 °dH (229 mg/L · 13.3 gpg · 22.9 °fH).
Source: Stadt Friedberg, Trinkwasseranalysen 10.2025, Versorgungszone Friedberg (2025-10) · data checked 2026-10-23
This figure of 228.5 mg/L CaCO₃ comes from the October 2025 analysis for the Friedberg supply zone of the Stadt Friedberg waterworks in Bavaria. Other districts of the municipality may be on different supply zones, and we have only used the Friedberg one. Neighbouring Augsburg reports a similar 235.6 mg/L, and kettles and shower screens in this area will scale up regularly.
German law (WRMG) uses 3 bands: soft < 8.4 °dH, medium 8.4–14 °dH, hard > 14 °dH.
Water data
| Total hardness | 12.8 °dH |
|---|---|
| Utility | Stadt Friedberg, Stadtwerke (Wasserversorgung Friedberg, Landkreis Aichach-Friedberg) |
How Friedberg (Bayern) compares
- Tap water in Friedberg (Bayern) is 11 % harder than the median of the 809 cities we track in Germany (11.5 °dH).
- By hardness it ranks 346 of 809 in Germany (1 = hardest); 57 % of these cities have softer water.
- In Bayern it is number 90 of 137 cities; the regional median is 15.8 °dH.
- Nearest city with clearly softer water: Meitingen, 17 km away (9 °dH).
- Nearest city with clearly harder water: Wertingen, 25 km away (18.7 °dH).
Ranking of the hardest and softest water in Germany →
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 Friedberg (Bayern)
| 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 Friedberg (Bayern) water hard or soft?
It is very hard: 229 mg/L as CaCO₃ (13.3 gpg, 12.8 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Friedberg (Bayern) safe to drink?
Hardness is not a health issue; it is about limescale, taste and appliances. Mains water must meet national drinking-water standards. German law (WRMG) uses 3 bands: soft < 8.4 °dH, medium 8.4–14 °dH, hard > 14 °dH.
How many grains per gallon is Friedberg (Bayern) water?
13.3 gpg, equal to 12.8 °dH, 22.9 °fH or 229 mg/L calcium carbonate.
What dishwasher salt setting should I use in Friedberg (Bayern)?
For 229 mg/L (12.8 °dH) check your manufacturer's table: maximum level (5–7).
Do I need a water softener in Friedberg (Bayern)?
Yes, unless you are only passing through: scale damages appliances within a few years.
Source
Source: Stadt Friedberg, Trinkwasseranalysen 10.2025, Versorgungszone Friedberg (2025-10). Method: figure published by the water supplier. Stadt Friedberg, Trinkwasseranalysen 10.2025, Versorgungszone Friedberg · Outdated figure? Tell us