Water hardness in Břehoryje
5.44 mmol/L very hard
Tap water in Břehoryje is very hard: 5.44 mmol/L (545 mg/L · 31.8 gpg · 30.5 °dH).
Source: SčVK, Moje obec – kvalita vody (aktuální hodnoty) (2026) · data checked 2026-10-23
Range across supply zones: 533–557 mg/L.
SčVK reports a median of 544.5 mg/L as CaCO₃ for Břehoryje in Ústecký kraj, with readings from 532.5 to 556.5 mg/L (2026). This is very hard and above the 500 mg/L level we treat as unusual, so the figure is worth confirming with the utility. The cause is not stated on the source page. If the value holds, scale will be heavy and a softener is a practical option.
Czech suppliers report "Vápník a hořčík" in mmol/L; the recommended range is 2–3.5 mmol/L.
Water data
| Total hardness | 5.44 mmol/L |
|---|---|
| Calcium (mg/L) | 183.5 |
| Magnesium (mg/L) | 20.95 |
| Utility | Severočeské vodovody a kanalizace, a.s. (SčVK) |
How Břehoryje compares
- Tap water in Břehoryje is 353 % harder than the median of the 1516 cities we track in Czechia (1.2 mmol/L).
- By hardness it ranks 16 of 1516 in Czechia (1 = hardest); 99 % of these cities have softer water.
- In Ústecký kraj it is number 16 of 631 cities; the regional median is 1.31 mmol/L.
- Nearest city with clearly softer water: Jištěrpy, 1 km away (4.16 mmol/L).
Ranking of the hardest and softest water in Czechia →
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 Břehoryje
| Brand | Setting for this water |
|---|---|
| Bosch | H06 |
| Miele | 31 °dH |
| AEG / Electrolux | 7 |
| Beko | 6th |
| Hoover | S4 |
| LG | H4 |
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 Břehoryje water hard or soft?
It is very hard: 545 mg/L as CaCO₃ (31.8 gpg, 30.5 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Břehoryje safe to drink?
Hardness is not a health issue; it is about limescale, taste and appliances. Mains water must meet national drinking-water standards. Czech suppliers report "Vápník a hořčík" in mmol/L; the recommended range is 2–3.5 mmol/L.
How many grains per gallon is Břehoryje water?
31.8 gpg, equal to 30.5 °dH, 54.5 °fH or 545 mg/L calcium carbonate.
What dishwasher salt setting should I use in Břehoryje?
For 545 mg/L (30.5 °dH) check your manufacturer's table: maximum level (5–7).
Do I need a water softener in Břehoryje?
Yes, unless you are only passing through: scale damages appliances within a few years.
Source
Source: SčVK, Moje obec – kvalita vody (aktuální hodnoty) (2026). Method: figure published by the water supplier. SčVK, Moje obec – kvalita vody (aktuální hodnoty) · Outdated figure? Tell us