Water hardness in la Seu d'Urgell
22 °fH very hard
Tap water in la Seu d'Urgell is very hard: 22 °fH (220 mg/L · 12.9 gpg · 12.3 °dH).
Source: SINAC, Ministerio de Sanidad — Información de un abastecimiento, municipio 25203 (2026-09) · data checked 2026-10-19
SINAC, the Ministry of Health's drinking-water register, reports 220 mg/L CaCO₃ for la Seu d'Urgell, very hard. Villages in the Alt Urgell valley nearby range from 93 to 289 mg/L, which suggests different local sources; the record does not name them. Scale shows on kettles and taps, and descaling more often than every few months may be needed.
Fuentes españolas usan °fH (grados hidrotimétricos franceses) o mg/L CaCO₃.
Water data
| Total hardness | 22 °fH |
|---|
How la Seu d'Urgell compares
- Tap water in la Seu d'Urgell is 9 % harder than the median of the 4988 cities we track in Spain (20.1 °fH).
- By hardness it ranks 2306 of 4988 in Spain (1 = hardest); 53 % of these cities have softer water.
- In Lleida it is number 69 of 214 cities; the regional median is 16 °fH.
- Nearest city with clearly softer water: Alàs i Cerc, 4 km away (13.6 °fH).
- Nearest city with clearly harder water: Arsèguel, 8 km away (28.9 °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 la Seu d'Urgell
| Brand | Setting for this water |
|---|---|
| Bosch | H04 |
| Miele | 12 °dH |
| AEG / Electrolux | 3 |
| 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 la Seu d'Urgell water hard or soft?
It is very hard: 220 mg/L as CaCO₃ (12.9 gpg, 12.3 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in la Seu d'Urgell 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 la Seu d'Urgell water?
12.9 gpg, equal to 12.3 °dH, 22 °fH or 220 mg/L calcium carbonate.
What dishwasher salt setting should I use in la Seu d'Urgell?
For 220 mg/L (12.3 °dH) check your manufacturer's table: maximum level (5–7).
Do I need a water softener in la Seu d'Urgell?
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 25203 (2026-09). Method: own measurement. SINAC, Ministerio de Sanidad — Información de un abastecimiento, municipio 25203 · Outdated figure? Tell us