Water Hardness Atlas ZIP / postcode

Water hardness in Braunschweig

8.4 °dH hard

Tap water in Braunschweig is hard: 8.4 °dH (150 mg/L · 8.8 gpg · 15 °fH).

<6060–120120–180>180 mg/L

Source: BS|ENERGY Trinkwasser-Vollanalyse 2026, WTI Prüfbericht 2026B0104714 (2026-06) · data checked 2026-10-19

BS|ENERGY's 2026 full analysis gives 149.9 mg/L CaCO₃, measured at a single sampling point at the Bürgerpark pumping station on 18 May 2026. It does not represent the whole city and no zone range is available. Treat it as an indication and ask BS|ENERGY about your own area.

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

Water data

Total hardness8.4 °dH
UtilityBS|ENERGY

How Braunschweig 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 Braunschweig

BrandSetting for this water
BoschH02
Miele8 °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 Braunschweig water hard or soft?

It is hard: 150 mg/L as CaCO₃ (8.8 gpg, 8.4 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Braunschweig 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 Braunschweig water?

8.8 gpg, equal to 8.4 °dH, 15 °fH or 150 mg/L calcium carbonate.

What dishwasher salt setting should I use in Braunschweig?

For 150 mg/L (8.4 °dH) check your manufacturer's table: level 4–5.

Do I need a water softener in Braunschweig?

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

Source

Source: BS|ENERGY Trinkwasser-Vollanalyse 2026, WTI Prüfbericht 2026B0104714 (2026-06). Method: own measurement. BS|ENERGY Trinkwasser-Vollanalyse 2026, WTI Prüfbericht 2026B0104714 · Outdated figure? Tell us

Nearby cities

Schladen (Schladen-Werla)8.5 °dHLiebenburg2.8 °dHBurgdorf10.7 °dHHildesheim1.8 °dHCelle6.6 °dHLaatzen7.6 °dH
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