Water Hardness Atlas ZIP / postcode

Water hardness in Priego de Córdoba

31.8 °fH very hard

Tap water in Priego de Córdoba is very hard: 31.8 °fH (318 mg/L · 18.5 gpg · 17.8 °dH).

<6060–120120–180>180 mg/L

Source: SINAC, Ministerio de Sanidad — Información de un abastecimiento, municipio 14055 (2026-09) · data checked 2026-10-19

Range across supply zones: 217–580 mg/L.

The hardness recorded in SINAC for Priego de Córdoba is 317.5 mg/L CaCO₃, with readings from 217 to 580 mg/L, based on September 2026 data, so it varies a lot with the supply point and the blend at the time. In the Subbética area of Córdoba the water comes from springs and wells in limestone and dolomite ranges, which add a lot of calcium and magnesium. 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 hardness31.8 °fH

How Priego de Córdoba 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 Priego de Córdoba

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 Priego de Córdoba water hard or soft?

It is very hard: 318 mg/L as CaCO₃ (18.5 gpg, 17.8 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Priego de Córdoba 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 Priego de Córdoba water?

18.5 gpg, equal to 17.8 °dH, 31.8 °fH or 318 mg/L calcium carbonate.

What dishwasher salt setting should I use in Priego de Córdoba?

For 318 mg/L (17.8 °dH) check your manufacturer's table: maximum level (5–7).

Do I need a water softener in Priego de Córdoba?

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 14055 (2026-09). Method: own measurement. SINAC, Ministerio de Sanidad — Información de un abastecimiento, municipio 14055 · Outdated figure? Tell us

Nearby cities

Fuente-Tójar25.6 °fHAlmedinilla20.2 °fHCarcabuey28.1 °fHLuque27.7 °fHAlcaudete53.5 °fHZuheros27.7 °fH
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