Water hardness in Hofgeismar
3.1 °dH soft
Tap water in Hofgeismar is soft: 3.1 °dH (55 mg/L · 3.2 gpg · 5.5 °fH).
Source: Stadt Hofgeismar, Verbraucherinformation Trinkwasser Tiefzone Kernstadt (22.04.2025) (2025-04) · data checked 2026-11-03
Range across supply zones: 36–89 mg/L.
2 supply zones — hardness varies by neighbourhood; the figure above is the median.
Hardness by district / supply zone
| °dH | mg/L | ||
|---|---|---|---|
| Beberbeck und Sababurg (Quellsammelbauwerk Oberes Lempetal) | 2 | 36 | soft |
| Kernstadt Tiefzone (Hochbehälter Röddenhof) | 4.2 | 75 | moderately hard |
The city of Hofgeismar publishes consumer information for two supply zones, both dated April 2025 and both soft under the WRMG. The Kernstadt lowland zone, fed from the Röddenhof reservoir, is at 75.0 mg/L CaCO₃. Beberbeck and Sababurg, supplied from springs in the upper Lempe valley, is at 35.7 mg/L, and the median across the two is 55.3 mg/L. The city shows only the 2025 reports, so ask the waterworks which zone your street belongs to.
German law (WRMG) uses 3 bands: soft < 8.4 °dH, medium 8.4–14 °dH, hard > 14 °dH.
Water data
| Total hardness | 3.1 °dH |
|---|---|
| Utility | Stadt Hofgeismar Wasserversorgung |
How Hofgeismar compares
- Tap water in Hofgeismar is 73 % softer than the median of the 809 cities we track in Germany (11.5 °dH).
- By hardness it ranks 793 of 809 in Germany (1 = hardest); 2 % of these cities have softer water.
- In Hessen it is number 73 of 73 cities; the regional median is 10.7 °dH.
- Nearest city with clearly softer water: Hildesheim, 84 km away (1.8 °dH).
- Nearest city with clearly harder water: Trendelburg, 10 km away (4.3 °dH).
Ranking of the hardest and softest water in Germany →
What it means at home
- Little or no limescale in kettles, water heaters or washing machines.
- Soap lathers easily; water does not dry skin or hair.
- Dishwasher: salt setting at minimum or off.
- No softener needed; a jug filter only changes taste.
How much salt will you use for softening?
No. Water this soft does not need softening.
Descale a coffee machine or kettle about every 6 months (typical manufacturer guidance for this hardness).
Estimates for planning, not a quote. Check your appliance manual for exact settings.
Dishwasher setting in Hofgeismar
| Brand | Setting for this water |
|---|---|
| Bosch | H00 |
| Miele | 3 °dH |
| AEG / Electrolux | 1 |
| Beko | 1st |
| Hoover | S0 |
| LG | H0 |
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 Hofgeismar water hard or soft?
It is soft: 55 mg/L as CaCO₃ (3.2 gpg, 3.1 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Hofgeismar safe to drink?
Hardness is not a health issue; it is about limescale, taste and appliances. Mains water must meet national drinking-water standards. German law (WRMG) uses 3 bands: soft < 8.4 °dH, medium 8.4–14 °dH, hard > 14 °dH.
How many grains per gallon is Hofgeismar water?
3.2 gpg, equal to 3.1 °dH, 5.5 °fH or 55 mg/L calcium carbonate.
What dishwasher salt setting should I use in Hofgeismar?
For 55 mg/L (3.1 °dH) check your manufacturer's table: level 0–1, usually no salt.
Do I need a water softener in Hofgeismar?
No. With soft water a softener adds nothing.
Source
Source: Stadt Hofgeismar, Verbraucherinformation Trinkwasser Tiefzone Kernstadt (22.04.2025) (2025-04). Method: figure published by the water supplier. Stadt Hofgeismar, Verbraucherinformation Trinkwasser Tiefzone Kernstadt (22.04.2025) · Outdated figure? Tell us