Water Hardness Atlas ZIP / postcode

Water hardness in Ejea de los Caballeros

13.8 °fH hard

Tap water in Ejea de los Caballeros is hard: 13.8 °fH (139 mg/L · 8.1 gpg · 7.8 °dH).

<6060–120120–180>180 mg/L

Source: SINAC, Ministerio de Sanidad — Información de un abastecimiento, municipio 50095 (2026-01) · data checked 2026-10-19

Range across supply zones: 114–163 mg/L.

The hardness recorded in SINAC for Ejea de los Caballeros is 138.5 mg/L CaCO₃, with readings from 114 to 163 mg/L, based on January 2026 data. In this part of Aragón the water comes from the Ebro, its tributaries and local sources, and crosses ground with gypsum and limestone that raises mineral content. Limescale starts to show on glass and coffee machines, though the effect at home is moderate.

Fuentes españolas usan °fH (grados hidrotimétricos franceses) o mg/L CaCO₃.

Water data

Total hardness13.8 °fH

How Ejea de los Caballeros compares

Ranking of the hardest and softest water in Spain →

What it means at home

How much salt will you use for softening?

Recommended, especially with a heater or boiler: scale cuts efficiency and shortens its life.

Descale a coffee machine or kettle about every 2 months (typical manufacturer guidance for this hardness).

Estimates for planning, not a quote. Check your appliance manual for exact settings.

Dishwasher setting in Ejea de los Caballeros

BrandSetting for this water
BoschH01
Miele8 °dH
AEG / Electrolux2
Beko3rd
HooverS1
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 Ejea de los Caballeros water hard or soft?

It is hard: 139 mg/L as CaCO₃ (8.1 gpg, 7.8 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Ejea de los Caballeros safe to drink?

Hardness is not a health issue; it is about limescale, taste and appliances. Mains water must meet national drinking-water standards. Fuentes españolas usan °fH (grados hidrotimétricos franceses) o mg/L CaCO₃.

How many grains per gallon is Ejea de los Caballeros water?

8.1 gpg, equal to 7.8 °dH, 13.8 °fH or 139 mg/L calcium carbonate.

What dishwasher salt setting should I use in Ejea de los Caballeros?

For 139 mg/L (7.8 °dH) check your manufacturer's table: level 4–5.

Do I need a water softener in Ejea de los Caballeros?

Recommended if you have a water heater, boiler or tankless unit: it saves repairs and detergent.

Source

Source: SINAC, Ministerio de Sanidad — Información de un abastecimiento, municipio 50095 (2026-01). Method: own measurement. SINAC, Ministerio de Sanidad — Información de un abastecimiento, municipio 50095 · Outdated figure? Tell us

Nearby cities

Biota13.5 °fHAsín30.5 °fHErla15.1 °fHOrés38.5 °fHLayana15.7 °fHLuna20.8 °fH
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