Water hardness in Leutkirch im Allgäu
17.8 °dH very hard
Tap water in Leutkirch im Allgäu is very hard: 17.8 °dH (318 mg/L · 18.6 gpg · 31.8 °fH).
Source: Stadt Leutkirch – Wasser & Abwasser, Verbraucherinformation Wasserhärte (2026) · data checked 2026-11-02
Range across supply zones: 298–332 mg/L.
4 supply zones — hardness varies by neighbourhood; the figure above is the median.
Hardness by district / supply zone
| °dH | mg/L | ||
|---|---|---|---|
| Adrazhofen, Wuchzenhofen, Hofs-Ausnang | 18.6 | 332 | very hard |
| Diepoldshofen, Reichenhofen | 18.2 | 325 | very hard |
| Leutkirch, Gebrazhofen, Herlazhofen | 17.4 | 311 | very hard |
| Winterstetten, Friesenhofen | 16.7 | 298 | very hard |
Stadt Leutkirch lists four supply areas between 298.1 and 332.0 mg/L CaCO₃. Leutkirch, Gebrazhofen and Herlazhofen are at 310.6 mg/L, and the Winterstetten and Friesenhofen area is at 298.1 mg/L. The city figure of 317.7 mg/L sits in the middle of the range. All areas are very hard, so scale protection for hot-water appliances makes sense.
German law (WRMG) uses 3 bands: soft < 8.4 °dH, medium 8.4–14 °dH, hard > 14 °dH.
Water data
| Total hardness | 17.8 °dH |
|---|---|
| Utility | Stadt Leutkirch (Wasserversorgung) |
How Leutkirch im Allgäu compares
- Tap water in Leutkirch im Allgäu is 55 % harder than the median of the 809 cities we track in Germany (11.5 °dH).
- By hardness it ranks 156 of 809 in Germany (1 = hardest); 81 % of these cities have softer water.
- In Baden-Württemberg it is number 29 of 146 cities; the regional median is 12.8 °dH.
- Nearest city with clearly softer water: Oberstaufen, 26 km away (11.7 °dH).
- Nearest city with clearly harder water: Radolfzell am Bodensee, 79 km away (22.6 °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 Leutkirch im Allgäu
| Brand | Setting for this water |
|---|---|
| Bosch | H05 |
| Miele | 18 °dH |
| AEG / Electrolux | 4 |
| 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 Leutkirch im Allgäu water hard or soft?
It is very hard: 318 mg/L as CaCO₃ (18.6 gpg, 17.8 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Leutkirch im Allgäu 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 Leutkirch im Allgäu water?
18.6 gpg, equal to 17.8 °dH, 31.8 °fH or 318 mg/L calcium carbonate.
What dishwasher salt setting should I use in Leutkirch im Allgäu?
For 318 mg/L (17.8 °dH) check your manufacturer's table: maximum level (5–7).
Do I need a water softener in Leutkirch im Allgäu?
Yes, unless you are only passing through: scale damages appliances within a few years.
Source
Source: Stadt Leutkirch – Wasser & Abwasser, Verbraucherinformation Wasserhärte (2026). Method: figure published by the water supplier. Stadt Leutkirch – Wasser & Abwasser, Verbraucherinformation Wasserhärte · Outdated figure? Tell us