Water hardness in Folyás
8.9 °dH hard
Tap water in Folyás is hard: 8.9 °dH (159 mg/L · 9.3 gpg · 15.9 °fH).
Source: NNGYK — Magyarországi települések ivóvízminősége (HUMVI 2024) (2024) · data checked 2026-10-21
Folyás, in Hajdú-Bihar county, is reported at 158.8 mg/L as CaCO3 in the 2024 NNGYK data, in the hard band. The entry does not identify the supply, so this is the settlement figure and nothing broader. Moderate scale on heating elements is likely over time.
Hungarian suppliers report total hardness in German degrees (nk°) or mg/L CaO; the limit is 50–350 mg/L CaO.
Water data
| Total hardness | 8.9 °dH |
|---|
How Folyás compares
- Tap water in Folyás is 45 % softer than the median of the 3053 cities we track in Hungary (16.1 °dH).
- By hardness it ranks 2580 of 3053 in Hungary (1 = hardest); 15 % of these cities have softer water.
- In Hajdú-Bihar it is number 42 of 100 cities; the regional median is 7.8 °dH.
- Nearest city with clearly softer water: Nagymajor, 19 km away (3.6 °dH).
- Nearest city with clearly harder water: Görbeháza, 8 km away (16.7 °dH).
Ranking of the hardest and softest water in Hungary →
What it means at home
- Fast scale on taps, shower screens and kettle; white spots on glassware.
- Water heater: efficiency loss and element failures within years if unprotected.
- Dry skin and dull hair after showering are common.
- Softener recommended; jug or reverse osmosis for drinking.
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 Folyás
| Brand | Setting for this water |
|---|---|
| Bosch | H02 |
| Miele | 9 °dH |
| AEG / Electrolux | 2 |
| Beko | 3rd |
| Hoover | S1 |
| LG | H2 |
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 Folyás water hard or soft?
It is hard: 159 mg/L as CaCO₃ (9.3 gpg, 8.9 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Folyás 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 Folyás water?
9.3 gpg, equal to 8.9 °dH, 15.9 °fH or 159 mg/L calcium carbonate.
What dishwasher salt setting should I use in Folyás?
For 159 mg/L (8.9 °dH) check your manufacturer's table: level 4–5.
Do I need a water softener in Folyás?
Recommended if you have a water heater, boiler or tankless unit: it saves repairs and detergent.
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