Water Hardness Atlas ZIP / postcode

Water hardness in Steffisburg

27.3 °fH very hard

Tap water in Steffisburg is very hard: 27.3 °fH (273 mg/L · 16 gpg · 15.3 °dH).

<6060–120120–180>180 mg/L

Source: NetZulg AG, WV Steffisburg (via SVGW trinkwasser.ch) (2024) · data checked 2026-10-21

In the canton of Bern, drinking water comes mostly from groundwater and springs, supplemented by lake water in the lake regions. NetZulg AG, WV Steffisburg reports a hardness of 273.3 mg/L CaCO₃. Scale forms quickly on heating elements and fittings, so a softener or strict descaling routine is worth considering.

In der Schweiz wird meist in °fH angegeben (1 °fH = 0,56 °dH).

Water data

Total hardness27.3 °fH
UtilityNetZulg AG, WV Steffisburg

How Steffisburg compares

Ranking of the hardest and softest water in Switzerland →

What it means at home

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 Steffisburg

BrandSetting for this water
BoschH04
Miele15 °dH
AEG / Electrolux4
Beko4th
HooverS2
LGH3

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 Steffisburg water hard or soft?

It is very hard: 273 mg/L as CaCO₃ (16 gpg, 15.3 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Steffisburg safe to drink?

Hardness is not a health issue; it is about limescale, taste and appliances. Mains water must meet national drinking-water standards. In der Schweiz wird meist in °fH angegeben (1 °fH = 0,56 °dH).

How many grains per gallon is Steffisburg water?

16 gpg, equal to 15.3 °dH, 27.3 °fH or 273 mg/L calcium carbonate.

What dishwasher salt setting should I use in Steffisburg?

For 273 mg/L (15.3 °dH) check your manufacturer's table: maximum level (5–7).

Do I need a water softener in Steffisburg?

Yes, unless you are only passing through: scale damages appliances within a few years.

Source

Source: NetZulg AG, WV Steffisburg (via SVGW trinkwasser.ch) (2024). Method: figure published by the water supplier. NetZulg AG, WV Steffisburg (via SVGW trinkwasser.ch) · Outdated figure? Tell us

Nearby cities

Thun23 °fHHeimberg19.6 °fHHilterfingen30.6 °fHOberhofen am Thunersee23 °fHAmsoldingen17.5 °fHOberdiessbach27 °fH
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