Water hardness in Mazamet
1.4 °fH soft
Tap water in Mazamet is soft: 1.4 °fH (14 mg/L · 0.8 gpg · 0.8 °dH).
Source: Ministère de la Santé (ARS), contrôle sanitaire SISE-Eaux, commune 81163 (2026-08) · data checked 2026-10-19
Range across supply zones: 7–92 mg/L.
Mazamet (Tarn) is supplied by Sivom Vallee Arnette Thore. The ARS health-control data (SISE-Eaux, sampled 2026-08) give a median of 14 mg/L CaCO₃, with readings from 7 to 92 mg/L. This is soft water, and hardness varies by sampling point.
TH en °fH : douce < 15, moyennement dure 15–25, dure 25–35, très dure > 35 °fH (classes usuelles ARS).
Water data
| Total hardness | 1.4 °fH |
|---|---|
| Utility | Sivom Vallee Arnette Thore |
How Mazamet compares
- Tap water in Mazamet is 94 % softer than the median of the 33641 cities we track in France (23.9 °fH).
- By hardness it ranks 33099 of 33641 in France (1 = hardest); 1 % of these cities have softer water.
- In Tarn it is number 304 of 314 cities; the regional median is 9.3 °fH.
- Nearest city with clearly softer water: Le Vintrou, 8 km away (0.9 °fH).
- Nearest city with clearly harder water: Aussillon, 1 km away (9.2 °fH).
Ranking of the hardest and softest water in France →
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 Mazamet
| Brand | Setting for this water |
|---|---|
| Bosch | H00 |
| Miele | 1 °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 Mazamet water hard or soft?
It is soft: 14 mg/L as CaCO₃ (0.8 gpg, 0.8 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Mazamet 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 Mazamet water?
0.8 gpg, equal to 0.8 °dH, 1.4 °fH or 14 mg/L calcium carbonate.
What dishwasher salt setting should I use in Mazamet?
For 14 mg/L (0.8 °dH) check your manufacturer's table: level 0–1, usually no salt.
Do I need a water softener in Mazamet?
No. With soft water a softener adds nothing.
Source
Source: Ministère de la Santé (ARS), contrôle sanitaire SISE-Eaux, commune 81163 (2026-08). Method: own measurement. Ministère de la Santé (ARS), contrôle sanitaire SISE-Eaux, commune 81163 · Outdated figure? Tell us