Water Hardness Atlas ZIP / postcode

Water hardness in Loosdrecht

7.1 °dH hard

Tap water in Loosdrecht is hard: 7.1 °dH (127 mg/L · 7.4 gpg · 12.7 °fH).

<6060–120120–180>180 mg/L

Source: Vitens, waterhardheid per postcode (2026-10) (2026-10) · data checked 2026-10-20

Range across supply zones: 112–141 mg/L.

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

Water data

Total hardness7.1 °dH

How Loosdrecht 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 Loosdrecht

BrandSetting for this water
BoschH01
Miele7 °dH
AEG / Electrolux2
Beko2nd
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 Loosdrecht water hard or soft?

It is hard: 127 mg/L as CaCO₃ (7.4 gpg, 7.1 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Loosdrecht 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 Loosdrecht water?

7.4 gpg, equal to 7.1 °dH, 12.7 °fH or 127 mg/L calcium carbonate.

What dishwasher salt setting should I use in Loosdrecht?

For 127 mg/L (7.1 °dH) check your manufacturer's table: level 4–5.

Do I need a water softener in Loosdrecht?

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

Source

Source: Vitens, waterhardheid per postcode (2026-10) (2026-10). Method: figure published by the water supplier. Vitens, waterhardheid per postcode (2026-10) · Outdated figure? Tell us

Nearby cities

Oud-Loosdrecht6.3 °dHLoenen aan de Vecht6.2 °dHNieuw-Loosdrecht7.6 °dHBreukelen6.5 °dHBaambrugge8.2 °dHHilversum7.2 °dH
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