Water Hardness Atlas ZIP / postcode

Water hardness in Lora del Río

31.5 °fH very hard

Tap water in Lora del Río is very hard: 31.5 °fH (315 mg/L · 18.4 gpg · 17.6 °dH).

<6060–120120–180>180 mg/L

Source: SINAC, Ministerio de Sanidad — Información de un abastecimiento, municipio 41055 (2025-10) · data checked 2026-10-19

The hardness recorded in SINAC for Lora del Río is 315 mg/L CaCO₃, based on October 2025 data. In this town near Seville part of the water comes from wells and carbonate aquifers of the area, which explains a higher hardness than in the metropolitan area. With water this hard, scale shortens the life of heating elements and hot-water pipes and often justifies treatment at home.

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

Water data

Total hardness31.5 °fH

How Lora del Río compares

Ranking of the hardest and softest water in Spain →

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 Lora del Río

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 Lora del Río water hard or soft?

It is very hard: 315 mg/L as CaCO₃ (18.4 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 Lora del Río 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 Lora del Río water?

18.4 gpg, equal to 17.6 °dH, 31.5 °fH or 315 mg/L calcium carbonate.

What dishwasher salt setting should I use in Lora del Río?

For 315 mg/L (17.6 °dH) check your manufacturer's table: maximum level (5–7).

Do I need a water softener in Lora del Río?

Yes, unless you are only passing through: scale damages appliances within a few years.

Source

Source: SINAC, Ministerio de Sanidad — Información de un abastecimiento, municipio 41055 (2025-10). Method: own measurement. SINAC, Ministerio de Sanidad — Información de un abastecimiento, municipio 41055 · Outdated figure? Tell us

Nearby cities

Campana, La9.2 °fHPeñaflor18.9 °fHAlcolea del Río14.3 °fHPalma del Río9.6 °fHPuebla de los Infantes, La27.7 °fHFuentes de Andalucía9.7 °fH
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