Water Hardness Atlas ZIP / postcode

Water hardness in Bystričany

3.75 mmol/L very hard

Tap water in Bystričany is very hard: 3.75 mmol/L (375 mg/L · 21.9 gpg · 21 °dH).

<6060–120120–180>180 mg/L

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

Range across supply zones: 370–380 mg/L.

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

Water data

Total hardness3.75 mmol/L
UtilityStredoslovenská vodárenská prevádzková spoločnosť (StVPS)

How Bystričany 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 Bystričany

BrandSetting for this water
BoschH05
Miele21 °dH
AEG / Electrolux5
Beko6th
HooverS3
LGH4

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 Bystričany water hard or soft?

It is very hard: 375 mg/L as CaCO₃ (21.9 gpg, 21 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Bystričany 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 Bystričany water?

21.9 gpg, equal to 21 °dH, 37.5 °fH or 375 mg/L calcium carbonate.

What dishwasher salt setting should I use in Bystričany?

For 375 mg/L (21 °dH) check your manufacturer's table: maximum level (5–7).

Do I need a water softener in Bystričany?

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 Stredoslovenská vodárenská prevádzková spoločnosť (StVPS) · Outdated figure?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

Čereňany3.7 mmol/LZemianske Kostoľany3.45 mmol/LKamenec pod Vtáčnikom1.9 mmol/LOslany3.6 mmol/LHorná Ves2.6 mmol/LNitrica3.6 mmol/L
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