Water hardness in Jimena de la Frontera
17.7 °fH hard
Tap water in Jimena de la Frontera is hard: 17.7 °fH (177 mg/L · 10.3 gpg · 9.9 °dH).
Source: SINAC, Ministerio de Sanidad — Información de un abastecimiento, municipio 11021 (2026-09) · data checked 2026-10-19
Range across supply zones: 70–284 mg/L.
SINAC, the Ministry of Health's drinking-water register, reports 177 mg/L CaCO₃ for Jimena de la Frontera, hard, with a wide range from 70 to 284 mg/L. Nearby towns run from 60 mg/L in Castellar de la Frontera to 329 mg/L in Gaucín, so the source matters more than the location. Scale builds up on kettles and taps.
Fuentes españolas usan °fH (grados hidrotimétricos franceses) o mg/L CaCO₃.
Water data
| Total hardness | 17.7 °fH |
|---|
How Jimena de la Frontera compares
- Tap water in Jimena de la Frontera is 12 % softer than the median of the 4988 cities we track in Spain (20.1 °fH).
- By hardness it ranks 2736 of 4988 in Spain (1 = hardest); 45 % of these cities have softer water.
- In Cádiz it is number 36 of 43 cities; the regional median is 21.4 °fH.
- Nearest city with clearly softer water: Castellar de la Frontera, 12 km away (6 °fH).
- Nearest city with clearly harder water: Gaucín, 13 km away (32.9 °fH).
Ranking of the hardest and softest water in Spain →
What it means at home
- Fast scale on taps, shower screens and kettle; white spots on glassware.
- Water heater: efficiency loss and element failures within years if unprotected.
- Dry skin and dull hair after showering are common.
- Softener recommended; jug or reverse osmosis for drinking.
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 Jimena de la Frontera
| Brand | Setting for this water |
|---|---|
| Bosch | H02 |
| Miele | 10 °dH |
| AEG / Electrolux | 2 |
| Beko | 3rd |
| Hoover | S2 |
| LG | H2 |
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 Jimena de la Frontera water hard or soft?
It is hard: 177 mg/L as CaCO₃ (10.3 gpg, 9.9 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Jimena de la Frontera 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 Jimena de la Frontera water?
10.3 gpg, equal to 9.9 °dH, 17.7 °fH or 177 mg/L calcium carbonate.
What dishwasher salt setting should I use in Jimena de la Frontera?
For 177 mg/L (9.9 °dH) check your manufacturer's table: level 4–5.
Do I need a water softener in Jimena de la Frontera?
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 11021 (2026-09). Method: own measurement. SINAC, Ministerio de Sanidad — Información de un abastecimiento, municipio 11021 · Outdated figure? Tell us