Water Hardness Atlas ZIP / postcode

Water hardness in Besigheim

9 °dH hard

Tap water in Besigheim is hard: 9 °dH (161 mg/L · 9.4 gpg · 16.1 °fH).

<6060–120120–180>180 mg/L

Source: Stadt Besigheim – Zonenplan Wasserversorgung, Wasserhärtegrade der Versorgungszonen (2023) · data checked 2026-10-29

Range across supply zones: 157–307 mg/L.

3 supply zones — hardness varies by neighbourhood; the figure above is the median.

Hardness by district / supply zone

°dHmg/L
Zone 1 Bodenseewasser BWV (Schimmelfeld, Ingersheimer Feld, Husarenhof, Ottmarsheim)9161hard
Zone 2 Wasser Unterriexingen enthärtet (Neusatz, Weststadt, Schäuber, Löchgauer Feld)8.8157hard
Zone 3 Neckarhäldenquelle gemischt mit Bodenseewasser (Wörth, Kernstadt)17.2307very hard

Besigheim's zone plan shows three supplies. Zone 1 takes Bodensee water at 160.7 mg/L CaCO₃, zone 2 takes Unterriexingen water that is softened at 157.1 mg/L, and zone 3 (Wörth and the Kernstadt) mixes Neckarhäldenquelle water with Bodensee water at 307.0 mg/L. Your zone decides whether you need scale protection, so check the zone map.

German law (WRMG) uses 3 bands: soft < 8.4 °dH, medium 8.4–14 °dH, hard > 14 °dH.

Water data

Total hardness9 °dH
mmol_l3.1
UtilityWasserversorgung Besigheim (Eigenbetrieb)

How Besigheim compares

Ranking of the hardest and softest water in Germany →

What it means at home

How much salt will you use for softening?

Recommended, especially with a heater or boiler: scale cuts efficiency and shortens its life.

Descale a coffee machine or kettle about every 2 months (typical manufacturer guidance for this hardness).

Estimates for planning, not a quote. Check your appliance manual for exact settings.

Dishwasher setting in Besigheim

BrandSetting for this water
BoschH02
Miele9 °dH
AEG / Electrolux2
Beko3rd
HooverS1
LGH2

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 Besigheim water hard or soft?

It is hard: 161 mg/L as CaCO₃ (9.4 gpg, 9 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Besigheim 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 Besigheim water?

9.4 gpg, equal to 9 °dH, 16.1 °fH or 161 mg/L calcium carbonate.

What dishwasher salt setting should I use in Besigheim?

For 161 mg/L (9 °dH) check your manufacturer's table: level 4–5.

Do I need a water softener in Besigheim?

Recommended if you have a water heater, boiler or tankless unit: it saves repairs and detergent.

Source

Source: Stadt Besigheim – Zonenplan Wasserversorgung, Wasserhärtegrade der Versorgungszonen (2023). Method: figure published by the water supplier. Stadt Besigheim – Zonenplan Wasserversorgung, Wasserhärtegrade der Versorgungszonen · Outdated figure? Tell us

Nearby cities

Löchgau9 °dHBietigheim-Bissingen17.3 °dHGroßbottwar19.7 °dHNordheim13.5 °dHSersheim18.6 °dHUntergruppenbach13.5 °dH
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