Water Hardness Atlas ZIP / postcode

Water hardness in Viso del Alcor, El

13.1 °fH hard

Tap water in Viso del Alcor, El is hard: 13.1 °fH (131 mg/L · 7.6 gpg · 7.3 °dH).

<6060–120120–180>180 mg/L

Source: SINAC, Ministerio de Sanidad — Información de un abastecimiento, municipio 41102 (2026-07) · data checked 2026-10-19

Range across supply zones: 118–143 mg/L.

SINAC data from the Ministry of Health for July 2026 put El Viso del Alcor at 130.5 mg/L CaCO₃, with readings from 118 to 143 mg/L. This part of Seville province is supplied from regional reservoirs and, in some cases, wells; reservoir water tends to be soft to moderately hard, while well water is harder. Some scale shows on shower screens, kettles and taps, and a scale-reduction filter can be reasonable if you want to protect appliances.

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

Water data

Total hardness13.1 °fH

How Viso del Alcor, El 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 Viso del Alcor, El

BrandSetting for this water
BoschH01
Miele7 °dH
AEG / Electrolux2
Beko2nd
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 Viso del Alcor, El water hard or soft?

It is hard: 131 mg/L as CaCO₃ (7.6 gpg, 7.3 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Viso del Alcor, El 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 Viso del Alcor, El water?

7.6 gpg, equal to 7.3 °dH, 13.1 °fH or 131 mg/L calcium carbonate.

What dishwasher salt setting should I use in Viso del Alcor, El?

For 131 mg/L (7.3 °dH) check your manufacturer's table: level 4–5.

Do I need a water softener in Viso del Alcor, El?

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 41102 (2026-07). Method: own measurement. SINAC, Ministerio de Sanidad — Información de un abastecimiento, municipio 41102 · Outdated figure? Tell us

Nearby cities

Mairena del Alcor12 °fHCarmona14.1 °fHAlcalá de Guadaíra12 °fHRinconada, La12 °fHSeville12.3 °fHBrenes12.3 °fH
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