Water hardness in Biberach an der Riß
19.5 °dH very hard
Tap water in Biberach an der Riß is very hard: 19.5 °dH (348 mg/L · 20.3 gpg · 34.8 °fH).
Source: e.wa riss - Wasserhärte web page (2026) · data checked 2026-10-23
Range across supply zones: 339–357 mg/L.
e.wa riss gives 19 to 20 °dH for its supply area, which is hard. The page is undated and does not split the figure by Ortsteil, so small local differences are possible. Plan for regular descaling of appliances and check the utility's current analysis.
German law (WRMG) uses 3 bands: soft < 8.4 °dH, medium 8.4–14 °dH, hard > 14 °dH.
Water data
| Total hardness | 19.5 °dH |
|---|---|
| Utility | e.wa riss (Energie- und Wasserversorger Biberach) |
How Biberach an der Riß compares
- Tap water in Biberach an der Riß is 70 % harder than the median of the 809 cities we track in Germany (11.5 °dH).
- By hardness it ranks 83 of 809 in Germany (1 = hardest); 89 % of these cities have softer water.
- In Baden-Württemberg it is number 18 of 146 cities; the regional median is 12.8 °dH.
- Nearest city with clearly softer water: Ochsenhausen, 12 km away (13.7 °dH).
- Nearest city with clearly harder water: Vaihingen an der Enz, 111 km away (28 °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 Biberach an der Riß
| Brand | Setting for this water |
|---|---|
| Bosch | H05 |
| Miele | 20 °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 Biberach an der Riß water hard or soft?
It is very hard: 348 mg/L as CaCO₃ (20.3 gpg, 19.5 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Biberach an der Riß 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 Biberach an der Riß water?
20.3 gpg, equal to 19.5 °dH, 34.8 °fH or 348 mg/L calcium carbonate.
What dishwasher salt setting should I use in Biberach an der Riß?
For 348 mg/L (19.5 °dH) check your manufacturer's table: maximum level (5–7).
Do I need a water softener in Biberach an der Riß?
Yes, unless you are only passing through: scale damages appliances within a few years.
Source
Source: e.wa riss - Wasserhärte web page (2026). Method: computed from supplier's calcium and magnesium. e.wa riss - Wasserhärte web page · Outdated figure? Tell us