Water Hardness Atlas ZIP / postcode

Water hardness in Čelovce

2.78 mmol/L very hard

Tap water in Čelovce is very hard: 2.78 mmol/L (278 mg/L · 16.3 gpg · 15.6 °dH).

<6060–120120–180>180 mg/L

Source: Stredoslovenská vodárenská prevádzková spoločnosť (StVPS) (2026) · data checked 2026-10-20

Range across supply zones: 271–285 mg/L.

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

Water data

Total hardness2.78 mmol/L
UtilityStredoslovenská vodárenská prevádzková spoločnosť (StVPS)

How Čelovce compares

Ranking of the hardest and softest water in Slovakia →

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 Čelovce

BrandSetting for this water
BoschH04
Miele16 °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 Čelovce water hard or soft?

It is very hard: 278 mg/L as CaCO₃ (16.3 gpg, 15.6 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Čelovce 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 Čelovce water?

16.3 gpg, equal to 15.6 °dH, 27.8 °fH or 278 mg/L calcium carbonate.

What dishwasher salt setting should I use in Čelovce?

For 278 mg/L (15.6 °dH) check your manufacturer's table: maximum level (5–7).

Do I need a water softener in Čelovce?

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

Source

Source: Stredoslovenská vodárenská prevádzková spoločnosť (StVPS) (2026). Method: figure published by the water supplier. Stredoslovenská vodárenská prevádzková spoločnosť (StVPS) · Outdated figure? Tell us

Nearby cities

Opava1.4 mmol/LKosihovce0.84 mmol/LHrušov1.14 mmol/LSeľany1.07 mmol/LŠirákov0.82 mmol/LĎurkovce0.96 mmol/L
Report an outdated or wrong figure