Alcollarin
Cáceres · Extremadura · Guadiana
Capacity
52 hm³
Coordinates
39.248°N, 5.747°W
Operator
CHSU
Current fill
42.3%vs 7 days ago
0.0%stable
vs 1 year ago
+28.8%year-over-year
7-day trend
→stable
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 52 hm³ |
| Usable capacity | 46.8 hm³ |
| Primary use | Multi-purpose |
| Operator | CHSU |
| Province | Cáceres |
| Autonomous community | Extremadura |
| River basin | Guadiana |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 39.248, -5.747 · Open in Google Maps
About Alcollarin
As of June 9, 2026, Alcollarin is filled to 42.3% of its total capacity, holding roughly 22 hm³ of water out of a maximum 52 hm³. At this level the reservoir is within its normal operating range. Of that total, about 47 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 28.8 points above its level on the same date a year earlier.
Across the readings we hold for Alcollarin — 245 data points between October 5, 2021 and June 9, 2026 — the level has ranged from a low of 0.0% (September 9, 2025) to a high of 78.8% (April 16, 2024). On average the reservoir is fullest around April and at its lowest around September.
It is operated by CHSU primarily for multiple purposes. It lies within the Guadiana basin at 39.248°N, 5.747°W.
Key facts
- Current fill level
- 42.3%
- Water stored
- 22 hm³
- Total capacity
- 52 hm³
- Usable capacity
- 47 hm³
- 7-day change
- No change
- Year-on-year
- ▲ 28.8 pts
- Primary use
- Multipurpose
- River basin
- Guadiana
- Operator
- CHSU
- Coordinates
- 39.248°N, 5.747°W
- Last updated
- June 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Jun 2026 | 42.3% | 22 |
| 2 Jun 2026 | 42.3% | 22 |
| 26 May 2026 | 42.3% | 22 |
| 19 May 2026 | 42.3% | 22 |
| 12 May 2026 | 42.3% | 22 |
| 5 May 2026 | 42.3% | 22 |
| 28 Apr 2026 | 42.3% | 22 |
| 21 Apr 2026 | 42.3% | 22 |
| 14 Apr 2026 | 44.2% | 23 |
| 7 Apr 2026 | 44.2% | 23 |
| 31 Mar 2026 | 44.2% | 23 |
| 24 Mar 2026 | 44.2% | 23 |
Frequently asked questions
What is the current water level of Alcollarin?
As of June 9, 2026, Alcollarin is at 42.3% of its capacity, holding approximately 22 hm³ of water, according to MITECO data.
Is Alcollarin reservoir full?
No. As of June 9, 2026, Alcollarin is within its normal operating range at 42.3% of its capacity, so it is not full.
Is the water level at Alcollarin rising or falling?
The level at Alcollarin has been broadly stable over the latest week on record (0.0 points).
How much water can Alcollarin hold?
Alcollarin has a total capacity of 52 hm³, of which about 47 hm³ is usable storage.
Where is Alcollarin reservoir located?
Alcollarin is located in Cáceres, Extremadura, Spain, within the Guadiana basin (coordinates 39.248°N, 5.747°W).
What is Alcollarin used for?
Alcollarin is used primarily for multiple purposes, and is managed by CHSU.