Water hardness in Kołobrzeg
225 mg/L very hard
Tap water in Kołobrzeg is very hard: 225 mg/L (13.1 gpg · 12.6 °dH · 22.4 °fH).
Source: MWiK Kołobrzeg – Jakość wody do spożycia III kw. 2026 (2026) · data checked 2026-10-29
Range across supply zones: 220–229 mg/L.
2 supply zones — hardness varies by neighbourhood; the figure above is the median.
Hardness by district / supply zone
| mg/L | mg/L | ||
|---|---|---|---|
| Bogucino | 229 | 229 | very hard |
| Rościęcino | 220 | 220 | very hard |
MWiK Kołobrzeg reports a median of 224.5 mg/L CaCO₃ in its third-quarter 2026 report, with two zones between 220 and 229 mg/L. The zones are almost the same. This is very hard water, which leads to limescale on kettles, taps and shower screens. The quarterly report does not name the water source.
Polish suppliers report total hardness in mg/L CaCO₃; the drinking-water regulation range is 60–500 mg/L.
Water data
| Total hardness | 225 mg/L |
|---|---|
| Utility | MWiK Kołobrzeg |
How Kołobrzeg compares
- Tap water in Kołobrzeg is 8 % softer than the median of the 91 cities we track in Poland (245 mg/L).
- By hardness it ranks 58 of 91 in Poland (1 = hardest); 37 % of these cities have softer water.
- In zachodniopomorskie it is number 5 of 5 cities; the regional median is 248 mg/L.
- Nearest city with clearly harder water: Stargard, 100 km away (425 mg/L).
Ranking of the hardest and softest water in Poland →
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 Kołobrzeg
| Brand | Setting for this water |
|---|---|
| Bosch | H04 |
| Miele | 13 °dH |
| AEG / Electrolux | 3 |
| Beko | 3rd |
| Hoover | S2 |
| 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 Kołobrzeg water hard or soft?
It is very hard: 225 mg/L as CaCO₃ (13.1 gpg, 12.6 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Kołobrzeg safe to drink?
Hardness is not a health issue; it is about limescale, taste and appliances. Mains water must meet national drinking-water standards. Polish suppliers report total hardness in mg/L CaCO₃; the drinking-water regulation range is 60–500 mg/L.
How many grains per gallon is Kołobrzeg water?
13.1 gpg, equal to 12.6 °dH, 22.4 °fH or 225 mg/L calcium carbonate.
What dishwasher salt setting should I use in Kołobrzeg?
For 225 mg/L (12.6 °dH) check your manufacturer's table: maximum level (5–7).
Do I need a water softener in Kołobrzeg?
Yes, unless you are only passing through: scale damages appliances within a few years.
Source
Source: MWiK Kołobrzeg – Jakość wody do spożycia III kw. 2026 (2026). Method: figure published by the water supplier. MWiK Kołobrzeg – Jakość wody do spożycia III kw. 2026 · Outdated figure? Tell us