El Atance
Guadalajara · Castile-La Mancha · Tajo
Capacity
35 hm³
Coordinates
41.088°N, 2.777°W
Operator
CHT
54.3% full
Current fill
54.3%vs 7 days ago
0.0%stable
vs 1 year ago
-28.6%year-over-year
7-day trend
→stable
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 35 hm³ |
| Usable capacity | 31.5 hm³ |
| Primary use | Multi-purpose |
| Operator | CHT |
| Province | Guadalajara |
| Autonomous community | Castile-La Mancha |
| River basin | Tajo |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 41.088, -2.777 · Open in Google Maps
About El Atance
As of July 27, 2026, El Atance is filled to 54.3% of its total capacity, holding roughly 19 hm³ of water out of a maximum 35 hm³. At this level the reservoir is within its normal operating range. Of that total, about 32 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts), and it is 28.6 points below its level on the same date a year earlier.
Across the readings we hold for El Atance — 420 data points between July 17, 2018 and July 27, 2026 — the level has ranged from a low of 14.3% (October 3, 2023) to a high of 88.6% (June 17, 2025). On average the reservoir is fullest around June and at its lowest around October.
It is operated by CHT primarily for multiple purposes. It lies within the Tajo basin at 41.088°N, 2.777°W.
Key facts
- Current fill level
- 54.3%
- Water stored
- 19 hm³
- Total capacity
- 35 hm³
- Usable capacity
- 32 hm³
- 7-day change
- No change
- Year-on-year
- ▼ 28.6 pts
- Primary use
- Multipurpose
- River basin
- Tajo
- Operator
- CHT
- Coordinates
- 41.088°N, 2.777°W
- Last updated
- July 27, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 27 Jul 2026 | 54.3% | 19 |
| 20 Jul 2026 | 54.3% | 19 |
| 14 Jul 2026 | 54.3% | 19 |
| 7 Jul 2026 | 54.3% | 19 |
| 30 Jun 2026 | 54.3% | 19 |
| 23 Jun 2026 | 57.1% | 20 |
| 16 Jun 2026 | 57.1% | 20 |
| 9 Jun 2026 | 57.1% | 20 |
| 2 Jun 2026 | 57.1% | 20 |
| 26 May 2026 | 60.0% | 21 |
| 19 May 2026 | 60.0% | 21 |
| 12 May 2026 | 60.0% | 21 |
Frequently asked questions
What is the current water level of El Atance?
As of July 27, 2026, El Atance is at 54.3% of its capacity, holding approximately 19 hm³ of water, according to embalses.net data.
Is El Atance reservoir full?
No. As of July 27, 2026, El Atance is within its normal operating range at 54.3% of its capacity, so it is not full.
Is the water level at El Atance rising or falling?
The level at El Atance has been broadly stable over the latest week on record (0.0 points).
How much water can El Atance hold?
El Atance has a total capacity of 35 hm³, of which about 32 hm³ is usable storage.
Where is El Atance reservoir located?
El Atance is located in Guadalajara, Castile-La Mancha, Spain, within the Tajo basin (coordinates 41.088°N, 2.777°W).
What is El Atance used for?
El Atance is used primarily for multiple purposes, and is managed by CHT.