Water Hardness Atlas ZIP / postcode

Water hardness in Poriadie

3.62 mmol/L very hard

Tap water in Poriadie is very hard: 3.62 mmol/L (362 mg/L · 21.2 gpg · 20.3 °dH).

<6060–120120–180>180 mg/L

Source: Bratislavská vodárenská spoločnosť (BVS) (2026) · 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 hardness3.62 mmol/L
UtilityBratislavská vodárenská spoločnosť (BVS)

How Poriadie 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 Poriadie

BrandSetting for this water
BoschH05
Miele20 °dH
AEG / Electrolux5
Beko6th
HooverS3
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 Poriadie water hard or soft?

It is very hard: 362 mg/L as CaCO₃ (21.2 gpg, 20.3 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Poriadie 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 Poriadie water?

21.2 gpg, equal to 20.3 °dH, 36.2 °fH or 362 mg/L calcium carbonate.

What dishwasher salt setting should I use in Poriadie?

For 362 mg/L (20.3 °dH) check your manufacturer's table: maximum level (5–7).

Do I need a water softener in Poriadie?

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

Source

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 Bratislavská vodárenská spoločnosť (BVS) · Outdated figure?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

Nearby cities

Rudník3.88 mmol/LStará Myjava3.69 mmol/LBrestovec4.09 mmol/LMyjava3.63 mmol/LJablonka3.63 mmol/LPolianka3.65 mmol/L
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