San Salvador
Huesca · Aragon · Ebro
Capacity
137 hm³
Coordinates
41.785°N, 0.201°E
Operator
CHE
35.0% full
Current fill
35.0%vs 13 Oct 2026
0.0 ppstable
vs 1 year ago
-5.9 ppyear-over-year
Trend
→stable
Drought context
Storage vs October average
57%of normal
35.0% full on 2026-10-19, against an average of 61.8% for October across 7 years of readings (-26.8 points).
Rain over the last three months · 11 October 2026
Near normal
In the three months to 11 October 2026 the area around San Salvador had rain close to normal for the season. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index −0.03). Rain, not storage.
EU drought indicator · 11 October 2026
Noneno drought signal
The European Drought Observatory's combined reading of rain, soil moisture and vegetation at this point. Watch means rain has been short, Warning that the soil has dried out, Alert that vegetation is visibly stressed; Recovery means the shortfall is easing. Ground conditions, not the reservoir's storage. Spain drought figures →
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 137 hm³ |
| Primary use | Multi-purpose |
| Operator | CHE |
| Province | Huesca |
| Region | Aragon |
| River basin | Ebro |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 41.785°N, 0.201°E · Open in Google Maps
About San Salvador
As of October 19, 2026, San Salvador is filled to 35.0% of its total capacity, holding 48 hm³ of water out of a maximum 137 hm³. At this level the reservoir is low.
Since October 13, 2026 the fill level has held broadly steady (+0.0 pp), and it is 5.9 points below its level on the same date a year earlier.
Across the readings we hold for San Salvador — 316 data points between October 6, 2020 and October 19, 2026 — the level has ranged from a low of 35.0% (October 13, 2026) to a high of 99.3% (May 11, 2021). On average the reservoir is fullest around June and at its lowest around September.
It is operated by CHE primarily for multiple purposes. It lies within the Ebro basin at 41.785°N, 0.201°E.
Key facts
- Current fill level
- 35.0% of total capacity
- Water stored
- 48 hm³
- Total capacity
- 137 hm³
- Change since October 13, 2026
- No change
- Year-on-year
- ▼ 5.9 pp
- Primary use
- Multipurpose
- River basin
- Ebro
- Operator
- CHE
- Coordinates
- 41.785°N, 0.201°E
- Last updated
- October 19, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 19 Oct 2026 | 35.0% | 48 |
| 13 Oct 2026 | 35.0% | 48 |
| 6 Oct 2026 | 35.8% | 49 |
| 29 Sep 2026 | 37.2% | 51 |
| 22 Sep 2026 | 38.7% | 53 |
| 15 Sep 2026 | 41.6% | 57 |
| 8 Sep 2026 | 43.8% | 60 |
| 1 Sep 2026 | 47.4% | 65 |
| 25 Aug 2026 | 51.1% | 70 |
| 18 Aug 2026 | 54.7% | 75 |
| 11 Aug 2026 | 58.4% | 80 |
| 4 Aug 2026 | 62.8% | 86 |