Water hardness in Dolní Suchá
1.53 mmol/L hard
Tap water in Dolní Suchá is hard: 1.53 mmol/L (153 mg/L · 8.9 gpg · 8.6 °dH).
Source: SčVK, Moje obec – kvalita vody (aktuální hodnoty) (2026) · data checked 2026-10-21
Range across supply zones: 123–203 mg/L.
Dolní Suchá is supplied by SčVK, which reports a median of 153.1 mg/L as CaCO₃. Readings run from 123.1 to 203.2 mg/L, so the water is hard but varies noticeably between samples. That spread may reflect more than one supply source, though the utility does not say so. Plan for limescale and check the current value before buying equipment.
Czech suppliers report "Vápník a hořčík" in mmol/L; the recommended range is 2–3.5 mmol/L.
Water data
| Total hardness | 1.53 mmol/L |
|---|---|
| Calcium (mg/L) | 52 |
| Magnesium (mg/L) | 4.67 |
| Utility | Severočeské vodovody a kanalizace, a.s. (SčVK) |
How Dolní Suchá compares
- Tap water in Dolní Suchá is 27 % harder than the median of the 1516 cities we track in Czechia (1.2 mmol/L).
- By hardness it ranks 471 of 1516 in Czechia (1 = hardest); 69 % of these cities have softer water.
- In Liberecký kraj it is number 112 of 273 cities; the regional median is 1.26 mmol/L.
- Nearest city with clearly softer water: Horní Sedlo, 2 km away (1.19 mmol/L).
- Nearest city with clearly harder water: Křižany, 10 km away (2.27 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 Dolní Suchá
| 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 Dolní Suchá water hard or soft?
It is hard: 153 mg/L as CaCO₃ (8.9 gpg, 8.6 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Dolní Suchá 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 Dolní Suchá water?
8.9 gpg, equal to 8.6 °dH, 15.3 °fH or 153 mg/L calcium carbonate.
What dishwasher salt setting should I use in Dolní Suchá?
For 153 mg/L (8.6 °dH) check your manufacturer's table: level 4–5.
Do I need a water softener in Dolní Suchá?
Recommended if you have a water heater, boiler or tankless unit: it saves repairs and detergent.
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