Water hardness in Alcora, l'
72.6 °fH very hard
Tap water in Alcora, l' is very hard: 72.6 °fH (726 mg/L · 42.4 gpg · 40.7 °dH).
Source: SINAC, Ministerio de Sanidad — Información de un abastecimiento, municipio 12005 (2026-06) · data checked 2026-10-21
Range across supply zones: 428–845 mg/L.
SINAC, the Ministry of Health's drinking-water register, reports 726 mg/L CaCO₃ for l'Alcora, very hard, with a wide range from 428 to 845 mg/L. Nearby Castellón towns run from 332 to 871 mg/L, among the highest values in this dataset. Scale forms very fast in kettles, heaters and washing machines, and a softener is common.
Fuentes españolas usan °fH (grados hidrotimétricos franceses) o mg/L CaCO₃.
Water data
| Total hardness | 72.6 °fH |
|---|
How Alcora, l' compares
- Tap water in Alcora, l' is 261 % harder than the median of the 4988 cities we track in Spain (20.1 °fH).
- By hardness it ranks 59 of 4988 in Spain (1 = hardest); 99 % of these cities have softer water.
- In Castellón/Castelló it is number 3 of 134 cities; the regional median is 33.6 °fH.
- Nearest city with clearly softer water: Ribesalbes, 6 km away (46.5 °fH).
- Nearest city with clearly harder water: Torralba del Pinar, 21 km away (96.2 °fH).
Ranking of the hardest and softest water in Spain →
What it means at home
- Severe scale: heater elements and washing-machine heaters fail early.
- Detergent use is very high; taps and screens coat within days.
- Dishwasher at maximum salt setting.
- An ion-exchange softener is practically essential; RO for drinking water.
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 Alcora, l'
| Brand | Setting for this water |
|---|---|
| Bosch | H07 |
| Miele | 41 °dH |
| AEG / Electrolux | 8 |
| Beko | 6th |
| Hoover | S5 |
| LG | H4 |
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 Alcora, l' water hard or soft?
It is very hard: 726 mg/L as CaCO₃ (42.4 gpg, 40.7 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Alcora, l' 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 Alcora, l' water?
42.4 gpg, equal to 40.7 °dH, 72.6 °fH or 726 mg/L calcium carbonate.
What dishwasher salt setting should I use in Alcora, l'?
For 726 mg/L (40.7 °dH) check your manufacturer's table: maximum level (5–7).
Do I need a water softener in Alcora, l'?
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 12005 (2026-06). Method: own measurement. SINAC, Ministerio de Sanidad — Información de un abastecimiento, municipio 12005 · Outdated figure? Tell us