Water Hardness Atlas ZIP / postcode

Water hardness in Villefranche-sur-Saône

31.4 °fH very hard

Tap water in Villefranche-sur-Saône is very hard: 31.4 °fH (314 mg/L · 18.3 gpg · 17.6 °dH).

<6060–120120–180>180 mg/L

Source: Ministère de la Santé (ARS), contrôle sanitaire SISE-Eaux, commune 69264 (2025-12) · data checked 2026-10-19

Around Villefranche-sur-Saône, drinking water is drawn from the alluvial aquifer of the Saône and the Beaujolais hillsides. It measures 314.0 mg/L CaCO₃, very hard water. Scale settles in quickly.

TH en °fH : douce < 15, moyennement dure 15–25, dure 25–35, très dure > 35 °fH (classes usuelles ARS).

Water data

Total hardness31.4 °fH
UtilityVeolia 69 Nord

How Villefranche-sur-Saône compares

Ranking of the hardest and softest water in France →

What it means at home

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 Villefranche-sur-Saône

BrandSetting for this water
BoschH05
Miele18 °dH
AEG / Electrolux4
Beko5th
HooverS3
LGH3

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 Villefranche-sur-Saône water hard or soft?

It is very hard: 314 mg/L as CaCO₃ (18.3 gpg, 17.6 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Villefranche-sur-Saône 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 Villefranche-sur-Saône water?

18.3 gpg, equal to 17.6 °dH, 31.4 °fH or 314 mg/L calcium carbonate.

What dishwasher salt setting should I use in Villefranche-sur-Saône?

For 314 mg/L (17.6 °dH) check your manufacturer's table: maximum level (5–7).

Do I need a water softener in Villefranche-sur-Saône?

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 69264 (2025-12). Method: own measurement. Ministère de la Santé (ARS), contrôle sanitaire SISE-Eaux, commune 69264 · Outdated figure? Tell us

Nearby cities

Gleizé31.4 °fHLimas31.4 °fHBeauregard31.2 °fHJassans-Riottier31.2 °fHArnas30 °fHFrans31.2 °fH
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