Water hardness in Boulazac Isle Manoire
20.2 °fH very hard
Tap water in Boulazac Isle Manoire is very hard: 20.2 °fH (202 mg/L · 11.8 gpg · 11.3 °dH).
Source: Ministère de la Santé (ARS), contrôle sanitaire SISE-Eaux, commune 24053 (2026-08) · data checked 2026-10-19
Range across supply zones: 202–271 mg/L.
In Boulazac Isle Manoire (Dordogne), water is supplied by Agur and Suez Eau France. The median hardness is 202 mg/L as CaCO₃, with readings ranging from 202 to 271 mg/L, so it is classed as very hard. Measured data from the ARS SISE-Eaux health monitoring (commune 24053), August 2026.
TH en °fH : douce < 15, moyennement dure 15–25, dure 25–35, très dure > 35 °fH (classes usuelles ARS).
Water data
| Total hardness | 20.2 °fH |
|---|---|
| Utility | Agur; Suez Eau France |
How Boulazac Isle Manoire compares
- Tap water in Boulazac Isle Manoire is 15 % softer than the median of the 33641 cities we track in France (23.9 °fH).
- By hardness it ranks 20190 of 33641 in France (1 = hardest); 40 % of these cities have softer water.
- In Dordogne it is number 365 of 497 cities; the regional median is 24.6 °fH.
- Nearest city with clearly softer water: Saint-Germain-des-Prés, 26 km away (7.4 °fH).
- Nearest city with clearly harder water: Bassillac et Auberoche, 4 km away (29.7 °fH).
Ranking of the hardest and softest water in France →
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 Boulazac Isle Manoire
| Brand | Setting for this water |
|---|---|
| Bosch | H03 |
| Miele | 11 °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 Boulazac Isle Manoire water hard or soft?
It is very hard: 202 mg/L as CaCO₃ (11.8 gpg, 11.3 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Boulazac Isle Manoire safe to drink?
Hardness is not a health issue; it is about limescale, taste and appliances. Mains water must meet national drinking-water standards. TH en °fH : douce < 15, moyennement dure 15–25, dure 25–35, très dure > 35 °fH (classes usuelles ARS).
How many grains per gallon is Boulazac Isle Manoire water?
11.8 gpg, equal to 11.3 °dH, 20.2 °fH or 202 mg/L calcium carbonate.
What dishwasher salt setting should I use in Boulazac Isle Manoire?
For 202 mg/L (11.3 °dH) check your manufacturer's table: maximum level (5–7).
Do I need a water softener in Boulazac Isle Manoire?
Yes, unless you are only passing through: scale damages appliances within a few years.
Source
Source: Ministère de la Santé (ARS), contrôle sanitaire SISE-Eaux, commune 24053 (2026-08). Method: own measurement. Ministère de la Santé (ARS), contrôle sanitaire SISE-Eaux, commune 24053 · Outdated figure? Tell us