Water hardness in Kaposszerdahely
17.5 °dH very hard
Tap water in Kaposszerdahely is very hard: 17.5 °dH (312 mg/L · 18.2 gpg · 31.2 °fH).
Source: NNGYK — Magyarországi települések ivóvízminősége (HUMVI 2024) (2024) · data checked 2026-10-21
Kaposszerdahely in Somogy county is listed at 312.3 mg/L as CaCO₃ in the NNGYK 2024 drinking-water data, which counts as very hard. The published record gives the figure but not the water source, so the cause is not stated here. Limescale on taps and appliances is a likely consequence at this level.
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 | 17.5 °dH |
|---|
How Kaposszerdahely compares
- Tap water in Kaposszerdahely is 9 % harder than the median of the 3053 cities we track in Hungary (16.1 °dH).
- By hardness it ranks 1273 of 3053 in Hungary (1 = hardest); 58 % of these cities have softer water.
- In Somogy it is number 148 of 240 cities; the regional median is 19.1 °dH.
- Nearest city with clearly softer water: Cserénfa, 10 km away (4.9 °dH).
- Nearest city with clearly harder water: Patca, 4 km away (22.5 °dH).
Ranking of the hardest and softest water in Hungary →
What it means at home
- Severe scale: heater elements and washing-machine heaters fail early.
- Detergent use is very high; taps and screens coat within days.
- Dishwasher at maximum salt setting.
- An ion-exchange softener is practically essential; RO for drinking water.
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 Kaposszerdahely
| Brand | Setting for this water |
|---|---|
| Bosch | H05 |
| Miele | 17 °dH |
| AEG / Electrolux | 4 |
| Beko | 5th |
| Hoover | S3 |
| LG | H3 |
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 Kaposszerdahely water hard or soft?
It is very hard: 312 mg/L as CaCO₃ (18.2 gpg, 17.5 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Kaposszerdahely 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 Kaposszerdahely water?
18.2 gpg, equal to 17.5 °dH, 31.2 °fH or 312 mg/L calcium carbonate.
What dishwasher salt setting should I use in Kaposszerdahely?
For 312 mg/L (17.5 °dH) check your manufacturer's table: maximum level (5–7).
Do I need a water softener in Kaposszerdahely?
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