Water Hardness Atlas ZIP / postcode

Water hardness in Fécamp

21.1 °fH very hard

Tap water in Fécamp is very hard: 21.1 °fH (211 mg/L · 12.3 gpg · 11.8 °dH).

<6060–120120–180>180 mg/L

Source: Ministère de la Santé (ARS), contrôle sanitaire SISE-Eaux, commune 76259 (2026-08) · data checked 2026-10-19

Range across supply zones: 187–273 mg/L.

Fécamp is served by Veolia (Pointe de Caux) and Eaux de Normandie, on the chalk plateau of the Pays de Caux. Water is drawn from the chalk aquifer, rich in limestone: 211 mg/L CaCO₃, ranging from 187 to 273 mg/L. Differences between neighbourhoods are notable.

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

Water data

Total hardness21.1 °fH
UtilityAgence Veolia Pointe De Caux; Eaux De Normandie

How Fécamp 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 Fécamp

BrandSetting for this water
BoschH03
Miele12 °dH
AEG / Electrolux3
Beko3rd
HooverS2
LGH2

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 Fécamp water hard or soft?

It is very hard: 211 mg/L as CaCO₃ (12.3 gpg, 11.8 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Fécamp 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 Fécamp water?

12.3 gpg, equal to 11.8 °dH, 21.1 °fH or 211 mg/L calcium carbonate.

What dishwasher salt setting should I use in Fécamp?

For 211 mg/L (11.8 °dH) check your manufacturer's table: maximum level (5–7).

Do I need a water softener in Fécamp?

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 76259 (2026-08). Method: own measurement. Ministère de la Santé (ARS), contrôle sanitaire SISE-Eaux, commune 76259 · Outdated figure? Tell us

Nearby cities

Saint-Léonard23 °fHGanzeville22.5 °fHSenneville-sur-Fécamp21.1 °fHCriquebeuf-en-Caux18.7 °fHToussaint29.7 °fHColleville25 °fH
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