Water Hardness Atlas ZIP / postcode

Water hardness in Ohradzany

1.26 mmol/L hard

Tap water in Ohradzany is hard: 1.26 mmol/L (126 mg/L · 7.4 gpg · 7.1 °dH).

<6060–120120–180>180 mg/L

Source: Východoslovenská vodárenská spoločnosť (VVS) (2025) · data checked 2026-10-20

Slovak suppliers report "Vápnik a horčík" in mmol/L; the recommended range is 1.1–5 mmol/L.

Water data

Total hardness1.26 mmol/L
UtilityVýchodoslovenská vodárenská spoločnosť (VVS)

How Ohradzany compares

Ranking of the hardest and softest water in Slovakia →

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 Ohradzany

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 Ohradzany water hard or soft?

It is hard: 126 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 Ohradzany safe to drink?

Hardness is not a health issue; it is about limescale, taste and appliances. Mains water must meet national drinking-water standards. Slovak suppliers report "Vápnik a horčík" in mmol/L; the recommended range is 1.1–5 mmol/L.

How many grains per gallon is Ohradzany water?

7.4 gpg, equal to 7.1 °dH, 12.6 °fH or 126 mg/L calcium carbonate.

What dishwasher salt setting should I use in Ohradzany?

For 126 mg/L (7.1 °dH) check your manufacturer's table: level 4–5.

Do I need a water softener in Ohradzany?

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

Source

Source: Východoslovenská vodárenská spoločnosť (VVS) (2025). Method: figure published by the water supplier. Východoslovenská vodárenská spoločnosť (VVS) · Outdated figure? Tell us

Nearby cities

Slovenská Volová1.2 mmol/LGruzovce3.84 mmol/LBrestov1.28 mmol/LLieskovec1.24 mmol/LMyslina1.16 mmol/LNižné Ladičkovce4.1 mmol/L
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