Mediano
Huesca · Aragon · Ebro
Capacity
435 hm³
Coordinates
42.364°N, 0.182°E
Operator
CHE
14.7% full
Current fill
14.7%vs 7 days ago
-4.6%losing
vs 1 year ago
-33.3%year-over-year
7-day trend
↓falling
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 435 hm³ |
| Usable capacity | 391.5 hm³ |
| Primary use | Multi-purpose |
| Operator | CHE |
| Province | Huesca |
| Autonomous community | Aragon |
| River basin | Ebro |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 42.364, 0.182 · Open in Google Maps
About Mediano
As of September 7, 2026, Mediano is filled to 14.7% of its total capacity, holding roughly 64 hm³ of water out of a maximum 435 hm³. At this level the reservoir is critically low. Of that total, about 392 hm³ is usable (live) storage.
Over the most recent week on record the fill level has fallen by 4.6 percentage points, and it is 33.3 points below its level on the same date a year earlier.
Across the readings we hold for Mediano — 419 data points between September 4, 2018 and September 7, 2026 — the level has ranged from a low of 11.7% (August 30, 2022) to a high of 99.8% (June 16, 2020). 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 42.364°N, 0.182°E.
Key facts
- Current fill level
- 14.7%
- Water stored
- 64 hm³
- Total capacity
- 435 hm³
- Usable capacity
- 392 hm³
- 7-day change
- ▼ 4.6 pts
- Year-on-year
- ▼ 33.3 pts
- Primary use
- Multipurpose
- River basin
- Ebro
- Operator
- CHE
- Coordinates
- 42.364°N, 0.182°E
- Last updated
- September 7, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 7 Sep 2026 | 14.7% | 64 |
| 1 Sep 2026 | 19.3% | 84 |
| 25 Aug 2026 | 27.6% | 120 |
| 18 Aug 2026 | 36.1% | 157 |
| 11 Aug 2026 | 37.2% | 162 |
| 4 Aug 2026 | 39.3% | 171 |
| 28 Jul 2026 | 43.7% | 190 |
| 21 Jul 2026 | 49.2% | 214 |
| 14 Jul 2026 | 55.4% | 241 |
| 7 Jul 2026 | 63.2% | 275 |
| 30 Jun 2026 | 71.5% | 311 |
| 23 Jun 2026 | 79.5% | 346 |