Water Hardness Atlas ZIP / postcode

Water hardness in Felsőpetény

12.7 °dH very hard

Tap water in Felsőpetény is very hard: 12.7 °dH (227 mg/L · 13.2 gpg · 22.7 °fH).

<6060–120120–180>180 mg/L

Source: NNGYK — Magyarországi települések ivóvízminősége (HUMVI 2024) (2024) · data checked 2026-10-21

Felsőpetény, in Nógrád county, has a reported hardness of 226.7 mg/L as CaCO₃ (NNGYK, 2024), which is very hard. The dataset does not identify the supply source. Some limescale on taps and in kettles is to be expected.

Hungarian suppliers report total hardness in German degrees (nk°) or mg/L CaO; the limit is 50–350 mg/L CaO.

Water data

Total hardness12.7 °dH

How Felsőpetény compares

Ranking of the hardest and softest water in Hungary →

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 Felsőpetény

BrandSetting for this water
BoschH04
Miele13 °dH
AEG / Electrolux3
Beko3rd
HooverS2
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 Felsőpetény water hard or soft?

It is very hard: 227 mg/L as CaCO₃ (13.2 gpg, 12.7 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Felsőpetény safe to drink?

Hardness is not a health issue; it is about limescale, taste and appliances. Mains water must meet national drinking-water standards. Hungarian suppliers report total hardness in German degrees (nk°) or mg/L CaO; the limit is 50–350 mg/L CaO.

How many grains per gallon is Felsőpetény water?

13.2 gpg, equal to 12.7 °dH, 22.7 °fH or 227 mg/L calcium carbonate.

What dishwasher salt setting should I use in Felsőpetény?

For 227 mg/L (12.7 °dH) check your manufacturer's table: maximum level (5–7).

Do I need a water softener in Felsőpetény?

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

Source

Source: NNGYK — Magyarországi települések ivóvízminősége (HUMVI 2024) (2024). Method: figure published by the water supplier. NNGYK — Magyarországi települések ivóvízminősége (HUMVI 2024) · Outdated figure? Tell us

Nearby cities

Alsópetény27.9 °dHBánk15.5 °dHNőtincs12.7 °dHŐsagárd12.7 °dHRétság25.4 °dHRomhány15.8 °dH
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