Water hardness in Mont-roig del Camp
51.7 °fH very hard
Tap water in Mont-roig del Camp is very hard: 51.7 °fH (517 mg/L · 30.2 gpg · 29 °dH).
Source: SINAC, Ministerio de Sanidad — Información de un abastecimiento, municipio 43092 (2026-07) · data checked 2026-10-21
Range across supply zones: 169–856 mg/L.
SINAC, the Ministry of Health's drinking-water register, reports 517 mg/L CaCO₃ for Mont-roig del Camp, very hard, with a very wide range from 169 to 856 mg/L. Neighbouring Camp de Tarragona towns are between 179 and 355 mg/L. Which figure applies depends on the supply point, so check your own address; scale can be heavy at the upper end.
Fuentes españolas usan °fH (grados hidrotimétricos franceses) o mg/L CaCO₃.
Water data
| Total hardness | 51.7 °fH |
|---|
How Mont-roig del Camp compares
- Tap water in Mont-roig del Camp is 157 % harder than the median of the 4988 cities we track in Spain (20.1 °fH).
- By hardness it ranks 216 of 4988 in Spain (1 = hardest); 96 % of these cities have softer water.
- In Tarragona it is number 28 of 181 cities; the regional median is 35.4 °fH.
- Nearest city with clearly softer water: Pratdip, 7 km away (35.5 °fH).
- Nearest city with clearly harder water: la Vilella Alta, 25 km away (65.6 °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 Mont-roig del Camp
| Brand | Setting for this water |
|---|---|
| Bosch | H06 |
| Miele | 29 °dH |
| AEG / Electrolux | 7 |
| Beko | 6th |
| Hoover | S4 |
| 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 Mont-roig del Camp water hard or soft?
It is very hard: 517 mg/L as CaCO₃ (30.2 gpg, 29 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Mont-roig del Camp 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 Mont-roig del Camp water?
30.2 gpg, equal to 29 °dH, 51.7 °fH or 517 mg/L calcium carbonate.
What dishwasher salt setting should I use in Mont-roig del Camp?
For 517 mg/L (29 °dH) check your manufacturer's table: maximum level (5–7).
Do I need a water softener in Mont-roig del Camp?
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 43092 (2026-07). Method: own measurement. SINAC, Ministerio de Sanidad — Información de un abastecimiento, municipio 43092 · Outdated figure? Tell us