Water hardness in Konětopy
4.76 mmol/L very hard
Tap water in Konětopy is very hard: 4.76 mmol/L (476 mg/L · 27.8 gpg · 26.7 °dH).
Source: SčVK, Moje obec – kvalita vody (aktuální hodnoty) (2026) · data checked 2026-10-21
SčVK publishes 476.4 mg/L for Konětopy in the Louny district, which is very hard water. The figure comes from the utility's current values for the municipality, with no range given. At this level scale builds quickly in kettles, boilers and washing machines, so a softener or regular descaling is worth considering.
Czech suppliers report "Vápník a hořčík" in mmol/L; the recommended range is 2–3.5 mmol/L.
Water data
| Total hardness | 4.76 mmol/L |
|---|---|
| Calcium (mg/L) | 126 |
| Magnesium (mg/L) | 39.2 |
| Utility | Severočeské vodovody a kanalizace, a.s. (SčVK) |
How Konětopy compares
- Tap water in Konětopy is 297 % harder than the median of the 1516 cities we track in Czechia (1.2 mmol/L).
- By hardness it ranks 60 of 1516 in Czechia (1 = hardest); 96 % of these cities have softer water.
- In Ústecký kraj it is number 60 of 631 cities; the regional median is 1.31 mmol/L.
- Nearest city with clearly softer water: Hřivice, 2 km away (0.78 mmol/L).
- Nearest city with clearly harder water: Slatina, 28 km away (6.09 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 Konětopy
| 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 Konětopy water hard or soft?
It is very hard: 476 mg/L as CaCO₃ (27.8 gpg, 26.7 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Konětopy 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 Konětopy water?
27.8 gpg, equal to 26.7 °dH, 47.6 °fH or 476 mg/L calcium carbonate.
What dishwasher salt setting should I use in Konětopy?
For 476 mg/L (26.7 °dH) check your manufacturer's table: maximum level (5–7).
Do I need a water softener in Konětopy?
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