Aceña
Tajo
Capacity
24 hm³
Coordinates
0.000°N, 0.000°E
Operator
Tajo
Current fill
87.5%vs 7 days ago
-4.2%losing
vs 1 year ago
-8.3%year-over-year
7-day trend
↓falling
Technical specifications
| Total capacity | 24 hm³ |
| Usable capacity | 24 hm³ |
| Primary use | — |
| Operator | Tajo |
| River basin | Tajo |
About Aceña
As of June 9, 2026, Aceña is filled to 87.5% of its total capacity, holding roughly 21 hm³ of water out of a maximum 24 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has fallen by 4.2 percentage points, and it is 8.3 points below its level on the same date a year earlier.
Across the readings we hold for Aceña — 418 data points between June 12, 2018 and June 9, 2026 — the level has ranged from a low of 12.5% (October 22, 2019) to a high of 100.0% (February 9, 2021). On average the reservoir is fullest around April and at its lowest around October.
It is operated by Tajo. It lies within the Tajo basin at 0.000°N, 0.000°E.
Key facts
- Current fill level
- 87.5%
- Water stored
- 21 hm³
- Total capacity
- 24 hm³
- 7-day change
- ▼ 4.2 pts
- Year-on-year
- ▼ 8.3 pts
- River basin
- Tajo
- Operator
- Tajo
- Coordinates
- 0.000°N, 0.000°E
- Last updated
- June 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Jun 2026 | 87.5% | 21 |
| 2 Jun 2026 | 91.7% | 22 |
| 26 May 2026 | 91.7% | 22 |
| 19 May 2026 | 91.7% | 22 |
| 12 May 2026 | 91.7% | 22 |
| 5 May 2026 | 91.7% | 22 |
| 28 Apr 2026 | 95.8% | 23 |
| 21 Apr 2026 | 95.8% | 23 |
| 14 Apr 2026 | 100.0% | 24 |
| 7 Apr 2026 | 100.0% | 24 |
| 31 Mar 2026 | 95.8% | 23 |
| 24 Mar 2026 | 100.0% | 24 |
Frequently asked questions
What is the current water level of Aceña?
As of June 9, 2026, Aceña is at 87.5% of its capacity, holding approximately 21 hm³ of water, according to MITECO data.
Is Aceña reservoir full?
No. As of June 9, 2026, Aceña is high at 87.5% of its capacity, so it is not full.
Is the water level at Aceña rising or falling?
The level at Aceña is falling — it dropped 4.2 percentage points over the latest week on record.
How much water can Aceña hold?
Aceña has a total capacity of 24 hm³.
Where is Aceña reservoir located?
Aceña is located in Tajo, Spain, within the Tajo basin (coordinates 0.000°N, 0.000°E).