Water hardness in Coburg
11.4 °dH very hard
Tap water in Coburg is very hard: 11.4 °dH (204 mg/L · 11.9 gpg · 20.4 °fH).
Source: SÜC Trinkwasseranalyse (Berechnete Daten) (2026-09) · data checked 2026-10-23
SÜC Coburg's analysis of 16 September 2026 gives 203.5 mg/L CaCO₃ (11.4 °dH), which the utility labels medium under the German Wasch- und Reinigungsmittelgesetz. About 20 % of Coburg West is supplied with water from Fernwasserversorgung Oberfranken, and that share is not reported separately, so the figure describes the main supply. Check with SÜC if you live in the west of the city.
German law (WRMG) uses 3 bands: soft < 8.4 °dH, medium 8.4–14 °dH, hard > 14 °dH.
Water data
| Total hardness | 11.4 °dH |
|---|---|
| Utility | SÜC Energie und H2O GmbH (SÜC Coburg) |
How Coburg compares
- Tap water in Coburg is close to the median of the 809 cities we track in Germany (11.5 °dH).
- By hardness it ranks 407 of 809 in Germany (1 = hardest); 49 % of these cities have softer water.
- In Bayern it is number 103 of 137 cities; the regional median is 15.8 °dH.
- Nearest city with clearly softer water: Sonnefeld, 13 km away (4.4 °dH).
- Nearest city with clearly harder water: Bad Staffelstein, 18 km away (19 °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 Coburg
| Brand | Setting for this water |
|---|---|
| Bosch | H03 |
| Miele | 11 °dH |
| AEG / Electrolux | 3 |
| Beko | 3rd |
| 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 Coburg water hard or soft?
It is very hard: 204 mg/L as CaCO₃ (11.9 gpg, 11.4 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Coburg 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 Coburg water?
11.9 gpg, equal to 11.4 °dH, 20.4 °fH or 204 mg/L calcium carbonate.
What dishwasher salt setting should I use in Coburg?
For 204 mg/L (11.4 °dH) check your manufacturer's table: maximum level (5–7).
Do I need a water softener in Coburg?
Yes, unless you are only passing through: scale damages appliances within a few years.
Source
Source: SÜC Trinkwasseranalyse (Berechnete Daten) (2026-09). Method: figure published by the water supplier. SÜC Trinkwasseranalyse (Berechnete Daten) · Outdated figure? Tell us