Water hardness in Ciudad Rodrigo
3.9 °fH soft
Tap water in Ciudad Rodrigo is soft: 3.9 °fH (39 mg/L · 2.3 gpg · 2.2 °dH).
Source: SINAC, Ministerio de Sanidad — Información de un abastecimiento, municipio 37107 (2026-10) · data checked 2026-10-19
Range across supply zones: 13–112 mg/L.
SINAC, the Ministry of Health's drinking-water register, reports 39 mg/L CaCO₃ for Ciudad Rodrigo, soft, with values between 13 and 112 mg/L. Villages around it in western Salamanca are mostly between 6.6 and 23 mg/L, typical of siliceous, low-mineral ground. Scale is light, though the top of the range is noticeably harder.
Fuentes españolas usan °fH (grados hidrotimétricos franceses) o mg/L CaCO₃.
Water data
| Total hardness | 3.9 °fH |
|---|
How Ciudad Rodrigo compares
- Tap water in Ciudad Rodrigo is 81 % softer than the median of the 4988 cities we track in Spain (20.1 °fH).
- By hardness it ranks 4319 of 4988 in Spain (1 = hardest); 13 % of these cities have softer water.
- In Salamanca it is number 212 of 309 cities; the regional median is 6.8 °fH.
- Nearest city with clearly softer water: Carpio de Azaba, 9 km away (1.5 °fH).
- Nearest city with clearly harder water: Tenebrón, 15 km away (6 °fH).
Ranking of the hardest and softest water in Spain →
What it means at home
- Little or no limescale in kettles, water heaters or washing machines.
- Soap lathers easily; water does not dry skin or hair.
- Dishwasher: salt setting at minimum or off.
- No softener needed; a jug filter only changes taste.
How much salt will you use for softening?
No. Water this soft does not need softening.
Descale a coffee machine or kettle about every 6 months (typical manufacturer guidance for this hardness).
Estimates for planning, not a quote. Check your appliance manual for exact settings.
Dishwasher setting in Ciudad Rodrigo
| Brand | Setting for this water |
|---|---|
| Bosch | H00 |
| Miele | 2 °dH |
| AEG / Electrolux | 1 |
| Beko | 1st |
| Hoover | S0 |
| LG | H0 |
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 Ciudad Rodrigo water hard or soft?
It is soft: 39 mg/L as CaCO₃ (2.3 gpg, 2.2 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Ciudad Rodrigo 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 Ciudad Rodrigo water?
2.3 gpg, equal to 2.2 °dH, 3.9 °fH or 39 mg/L calcium carbonate.
What dishwasher salt setting should I use in Ciudad Rodrigo?
For 39 mg/L (2.2 °dH) check your manufacturer's table: level 0–1, usually no salt.
Do I need a water softener in Ciudad Rodrigo?
No. With soft water a softener adds nothing.
Source
Source: SINAC, Ministerio de Sanidad — Información de un abastecimiento, municipio 37107 (2026-10). Method: own measurement. SINAC, Ministerio de Sanidad — Información de un abastecimiento, municipio 37107 · Outdated figure? Tell us