El Grado
Huesca · Aragon · Ebro
Capacity
400 hm³
Coordinates
42.219°N, 0.225°E
Operator
CHE
Current fill
98.3%vs 7 days ago
+2.3%gaining
vs 1 year ago
+1.3%year-over-year
7-day trend
↑rising
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 400 hm³ |
| Usable capacity | 360 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. 42.219, 0.225 · Open in Google Maps
About El Grado
As of June 9, 2026, El Grado is filled to 98.3% of its total capacity, holding roughly 393 hm³ of water out of a maximum 400 hm³. At this level the reservoir is high. Of that total, about 360 hm³ is usable (live) storage.
Over the most recent week on record the fill level has risen by 2.3 percentage points, and it is 1.3 points above its level on the same date a year earlier.
Across the readings we hold for El Grado — 418 data points between June 12, 2018 and June 9, 2026 — the level has ranged from a low of 21.5% (December 16, 2025) to a high of 100.0% (March 11, 2025). On average the reservoir is fullest around March and at its lowest around October.
It is operated by CHE primarily for multiple purposes. It lies within the Ebro basin at 42.219°N, 0.225°E.
Key facts
- Current fill level
- 98.3%
- Water stored
- 393 hm³
- Total capacity
- 400 hm³
- Usable capacity
- 360 hm³
- 7-day change
- ▲ 2.3 pts
- Year-on-year
- ▲ 1.3 pts
- Primary use
- Multipurpose
- River basin
- Ebro
- Operator
- CHE
- Coordinates
- 42.219°N, 0.225°E
- Last updated
- June 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Jun 2026 | 98.3% | 393 |
| 2 Jun 2026 | 96.0% | 384 |
| 26 May 2026 | 95.0% | 380 |
| 19 May 2026 | 97.3% | 389 |
| 12 May 2026 | 97.8% | 391 |
| 5 May 2026 | 96.8% | 387 |
| 28 Apr 2026 | 96.3% | 385 |
| 21 Apr 2026 | 96.8% | 387 |
| 14 Apr 2026 | 96.0% | 384 |
| 7 Apr 2026 | 95.3% | 381 |
| 31 Mar 2026 | 95.0% | 380 |
| 24 Mar 2026 | 96.0% | 384 |
Frequently asked questions
What is the current water level of El Grado?
As of June 9, 2026, El Grado is at 98.3% of its capacity, holding approximately 393 hm³ of water, according to MITECO data.
Is El Grado reservoir full?
El Grado is essentially full, sitting at 98.3% of capacity as of June 9, 2026.
Is the water level at El Grado rising or falling?
The level at El Grado is rising — it gained 2.3 percentage points over the latest week on record.
How much water can El Grado hold?
El Grado has a total capacity of 400 hm³, of which about 360 hm³ is usable storage.
Where is El Grado reservoir located?
El Grado is located in Huesca, Aragon, Spain, within the Ebro basin (coordinates 42.219°N, 0.225°E).
What is El Grado used for?
El Grado is used primarily for multiple purposes, and is managed by CHE.

