Aceña
Tajo
Capacity
24 hm³
Coordinates
0.000°N, 0.000°E
Operator
Tajo
75.0% full
Current fill
75.0%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 July 27, 2026, Aceña is filled to 75.0% of its total capacity, holding roughly 18 hm³ of water out of a maximum 24 hm³. At this level the reservoir is within its normal operating range.
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 — 420 data points between July 17, 2018 and July 27, 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
- 75.0%
- Water stored
- 18 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
- July 27, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 27 Jul 2026 | 75.0% | 18 |
| 20 Jul 2026 | 79.2% | 19 |
| 14 Jul 2026 | 79.2% | 19 |
| 7 Jul 2026 | 83.3% | 20 |
| 30 Jun 2026 | 83.3% | 20 |
| 23 Jun 2026 | 87.5% | 21 |
| 16 Jun 2026 | 87.5% | 21 |
| 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 |
Frequently asked questions
What is the current water level of Aceña?
As of July 27, 2026, Aceña is at 75.0% of its capacity, holding approximately 18 hm³ of water, according to embalses.net data.
Is Aceña reservoir full?
No. As of July 27, 2026, Aceña is within its normal operating range at 75.0% 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).