Yesa
Zaragoza · Aragon · Ebro
Capacity
447 hm³
Coordinates
42.604°N, 1.101°W
Operator
CHE
55.5% full
Current fill
55.5%vs 7 days ago
-5.6%losing
vs 1 year ago
+0.9%year-over-year
7-day trend
↓falling
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 447 hm³ |
| Usable capacity | 402.3 hm³ |
| Primary use | Multi-purpose |
| Operator | CHE |
| Province | Zaragoza |
| Autonomous community | Aragon |
| River basin | Ebro |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 42.604, -1.101 · Open in Google Maps
About Yesa
As of July 27, 2026, Yesa is filled to 55.5% of its total capacity, holding roughly 248 hm³ of water out of a maximum 447 hm³. At this level the reservoir is within its normal operating range. Of that total, about 402 hm³ is usable (live) storage.
Over the most recent week on record the fill level has fallen by 5.6 percentage points, and it sits close to where it was a year earlier.
Across the readings we hold for Yesa — 420 data points between July 17, 2018 and July 27, 2026 — the level has ranged from a low of 11.2% (October 18, 2022) to a high of 95.5% (May 19, 2020). 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 42.604°N, 1.101°W.
Key facts
- Current fill level
- 55.5%
- Water stored
- 248 hm³
- Total capacity
- 447 hm³
- Usable capacity
- 402 hm³
- 7-day change
- ▼ 5.6 pts
- Year-on-year
- ▲ 0.9 pts
- Primary use
- Multipurpose
- River basin
- Ebro
- Operator
- CHE
- Coordinates
- 42.604°N, 1.101°W
- Last updated
- July 27, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 27 Jul 2026 | 55.5% | 248 |
| 20 Jul 2026 | 61.1% | 273 |
| 14 Jul 2026 | 66.7% | 298 |
| 7 Jul 2026 | 72.3% | 323 |
| 30 Jun 2026 | 77.0% | 344 |
| 23 Jun 2026 | 81.4% | 364 |
| 16 Jun 2026 | 85.2% | 381 |
| 9 Jun 2026 | 88.4% | 395 |
| 2 Jun 2026 | 91.1% | 407 |
| 26 May 2026 | 93.1% | 416 |
| 19 May 2026 | 93.7% | 419 |
| 12 May 2026 | 91.5% | 409 |
Frequently asked questions
What is the current water level of Yesa?
As of July 27, 2026, Yesa is at 55.5% of its capacity, holding approximately 248 hm³ of water, according to embalses.net data.
Is Yesa reservoir full?
No. As of July 27, 2026, Yesa is within its normal operating range at 55.5% of its capacity, so it is not full.
Is the water level at Yesa rising or falling?
The level at Yesa is falling — it dropped 5.6 percentage points over the latest week on record.
How much water can Yesa hold?
Yesa has a total capacity of 447 hm³, of which about 402 hm³ is usable storage.
Where is Yesa reservoir located?
Yesa is located in Zaragoza, Aragon, Spain, within the Ebro basin (coordinates 42.604°N, 1.101°W).
What is Yesa used for?
Yesa is used primarily for multiple purposes, and is managed by CHE.