Water hardness in Chouzovy
1.64 mmol/L hard
Tap water in Chouzovy is hard: 1.64 mmol/L (164 mg/L · 9.6 gpg · 9.2 °dH).
Source: ČEVAK a.s. (Veolia), Moje obec – kvalita pitné vody (2026) · data checked 2026-10-21
Chouzovy in Plzeňský kraj is served by ČEVAK a.s., and the reported hardness is 164.1 mg/L as CaCO₃, in the hard category. The utility's page does not say which source feeds the village, so we do not explain the figure geologically. At this level you will see limescale on kettles and shower screens, and descaling every few months is usual.
Czech suppliers report "Vápník a hořčík" in mmol/L; the recommended range is 2–3.5 mmol/L.
Water data
| Total hardness | 1.64 mmol/L |
|---|---|
| Calcium (mg/L) | 54.5 |
| Magnesium (mg/L) | 6.9 |
| Utility | ČEVAK a.s. |
How Chouzovy compares
- Tap water in Chouzovy is 37 % harder than the median of the 1516 cities we track in Czechia (1.2 mmol/L).
- By hardness it ranks 433 of 1516 in Czechia (1 = hardest); 71 % of these cities have softer water.
- In Plzeňský kraj it is number 26 of 75 cities; the regional median is 1.64 mmol/L.
- Nearest city with clearly softer water: Chlumčany, 12 km away (1.22 mmol/L).
- Nearest city with clearly harder water: Dolní Lukavice, 10 km away (2.62 mmol/L).
Ranking of the hardest and softest water in Czechia →
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 Chouzovy
| 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 Chouzovy water hard or soft?
It is hard: 164 mg/L as CaCO₃ (9.6 gpg, 9.2 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Chouzovy 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 Chouzovy water?
9.6 gpg, equal to 9.2 °dH, 16.4 °fH or 164 mg/L calcium carbonate.
What dishwasher salt setting should I use in Chouzovy?
For 164 mg/L (9.2 °dH) check your manufacturer's table: level 4–5.
Do I need a water softener in Chouzovy?
Recommended if you have a water heater, boiler or tankless unit: it saves repairs and detergent.
Source
Source: ČEVAK a.s. (Veolia), Moje obec – kvalita pitné vody (2026). Method: figure published by the water supplier. ČEVAK a.s. (Veolia), Moje obec – kvalita pitné vody · Outdated figure? Tell us