Water hardness in Velký Újezd
4.75 mmol/L very hard
Tap water in Velký Újezd is very hard: 4.75 mmol/L (475 mg/L · 27.8 gpg · 26.6 °dH).
Source: SčVK, Moje obec – kvalita vody (aktuální hodnoty) (2026) · data checked 2026-10-21
Velký Újezd in the Litoměřice district is supplied by SčVK, which reports 475.4 mg/L for 2026. That is very hard and among the highest values in the Czech data. The utility's page does not name the source, so the cause is not stated. Heavy scale on heating elements is likely; softening is worth serious consideration.
Czech suppliers report "Vápník a hořčík" in mmol/L; the recommended range is 2–3.5 mmol/L.
Water data
| Total hardness | 4.75 mmol/L |
|---|---|
| Calcium (mg/L) | 158 |
| Magnesium (mg/L) | 19.7 |
| Utility | Severočeské vodovody a kanalizace, a.s. (SčVK) |
How Velký Újezd compares
- Tap water in Velký Újezd is 296 % harder than the median of the 1516 cities we track in Czechia (1.2 mmol/L).
- By hardness it ranks 61 of 1516 in Czechia (1 = hardest); 96 % of these cities have softer water.
- In Ústecký kraj it is number 61 of 631 cities; the regional median is 1.31 mmol/L.
- Nearest city with clearly softer water: Býčkovice, 2 km away (2.94 mmol/L).
- Nearest city with clearly harder water: Konojedy, 13 km away (5.94 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 Velký Újezd
| Brand | Setting for this water |
|---|---|
| Bosch | H06 |
| Miele | 27 °dH |
| AEG / Electrolux | 6 |
| 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 Velký Újezd water hard or soft?
It is very hard: 475 mg/L as CaCO₃ (27.8 gpg, 26.6 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Velký Újezd 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 Velký Újezd water?
27.8 gpg, equal to 26.6 °dH, 47.5 °fH or 475 mg/L calcium carbonate.
What dishwasher salt setting should I use in Velký Újezd?
For 475 mg/L (26.6 °dH) check your manufacturer's table: maximum level (5–7).
Do I need a water softener in Velký Újezd?
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