Water Hardness Atlas ZIP / postcode

Water hardness in Geertruidenberg

7.8 °dH hard

Tap water in Geertruidenberg is hard: 7.8 °dH (139 mg/L · 8.1 gpg · 13.9 °fH).

<6060–120120–180>180 mg/L

Source: Brabant Water, waterkwaliteit Geertruidenberg (2026 Q2) (2026-06) · data checked 2026-10-19

Brabant Water supplies this area from groundwater pumped at its pumping stations across North Brabant. The reported hardness is 138.9 mg/L CaCO₃. Kettles, shower heads and washing machine heating elements scale up noticeably, so regular descaling is worthwhile.

Dutch suppliers report °dH; most networks are softened centrally to 5.6–8.4 °dH.

Water data

Total hardness7.8 °dH

How Geertruidenberg compares

Ranking of the hardest and softest water in the Netherlands →

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 Geertruidenberg

BrandSetting for this water
BoschH01
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 Geertruidenberg water hard or soft?

It is hard: 139 mg/L as CaCO₃ (8.1 gpg, 7.8 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Geertruidenberg safe to drink?

Hardness is not a health issue; it is about limescale, taste and appliances. Mains water must meet national drinking-water standards. Dutch suppliers report °dH; most networks are softened centrally to 5.6–8.4 °dH.

How many grains per gallon is Geertruidenberg water?

8.1 gpg, equal to 7.8 °dH, 13.9 °fH or 139 mg/L calcium carbonate.

What dishwasher salt setting should I use in Geertruidenberg?

For 139 mg/L (7.8 °dH) check your manufacturer's table: level 4–5.

Do I need a water softener in Geertruidenberg?

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

Source

Source: Brabant Water, waterkwaliteit Geertruidenberg (2026 Q2) (2026-06). Method: figure published by the water supplier. Brabant Water, waterkwaliteit Geertruidenberg (2026 Q2) · Outdated figure? Tell us

Nearby cities

Raamsdonksveer7.8 °dHRaamsdonk7.8 °dHHank10.6 °dHMade7.8 °dHOosterhout7.8 °dHWaspik7.8 °dH
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