Water Hardness Atlas ZIP / postcode

Water hardness in Amorebieta-Etxano

14.6 °fH hard

Tap water in Amorebieta-Etxano is hard: 14.6 °fH (146 mg/L · 8.5 gpg · 8.2 °dH).

<6060–120120–180>180 mg/L

Source: SINAC, Ministerio de Sanidad — Información de un abastecimiento, municipio 48003 (2024-09) · data checked 2026-10-19

Range across supply zones: 56–214 mg/L.

The hardness recorded in SINAC for Amorebieta-Etxano is 146 mg/L CaCO₃, with readings from 56 to 214 mg/L, based on September 2024 data, so it varies a lot with the supply point and the blend at the time. In the Basque Country water comes from reservoirs and springs on the Cantabrian side, with limestone and marl in the massifs and sandstone elsewhere; hardness runs from low to moderate. 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 hardness14.6 °fH

How Amorebieta-Etxano 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 Amorebieta-Etxano

BrandSetting for this water
BoschH02
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 Amorebieta-Etxano water hard or soft?

It is hard: 146 mg/L as CaCO₃ (8.5 gpg, 8.2 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Amorebieta-Etxano 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 Amorebieta-Etxano water?

8.5 gpg, equal to 8.2 °dH, 14.6 °fH or 146 mg/L calcium carbonate.

What dishwasher salt setting should I use in Amorebieta-Etxano?

For 146 mg/L (8.2 °dH) check your manufacturer's table: level 4–5.

Do I need a water softener in Amorebieta-Etxano?

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 48003 (2024-09). Method: own measurement. SINAC, Ministerio de Sanidad — Información de un abastecimiento, municipio 48003 · Outdated figure? Tell us

Nearby cities

Muxika16.5 °fHIurreta9.9 °fHLemoa8.1 °fHGarai9.9 °fHIgorre15 °fHIzurtza12 °fH
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