La Serena
Badajoz · Extremadura · Guadiana
Capacity
3,219 hm³
Coordinates
38.932°N, 5.255°W
Operator
CHSU
81.7% full
Current fill
81.7%vs 7 days ago
0.0%stable
vs 1 year ago
+19.6%year-over-year
7-day trend
→stable
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 3,219 hm³ |
| Usable capacity | 2,897.1 hm³ |
| Primary use | Multi-purpose |
| Operator | CHSU |
| Province | Badajoz |
| Autonomous community | Extremadura |
| River basin | Guadiana |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 38.932, -5.255 · Open in Google Maps
About La Serena
As of October 6, 2026, La Serena is filled to 81.7% of its total capacity, holding roughly 2,631 hm³ of water out of a maximum 3,219 hm³. At this level the reservoir is high. Of that total, about 2,897 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 19.6 points above its level on the same date a year earlier.
Across the readings we hold for La Serena — 418 data points between October 9, 2018 and October 6, 2026 — the level has ranged from a low of 0.4% (October 16, 2018) to a high of 97.2% (February 17, 2026). On average the reservoir is fullest around April and at its lowest around November.
It is operated by CHSU primarily for multiple purposes. It lies within the Guadiana basin at 38.932°N, 5.255°W.
Key facts
- Current fill level
- 81.7%
- Water stored
- 2,631 hm³
- Total capacity
- 3,219 hm³
- Usable capacity
- 2,897 hm³
- 7-day change
- No change
- Year-on-year
- ▲ 19.6 pts
- Primary use
- Multipurpose
- River basin
- Guadiana
- Operator
- CHSU
- Coordinates
- 38.932°N, 5.255°W
- Last updated
- October 6, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 6 Oct 2026 | 81.7% | 2,631 |
| 29 Sep 2026 | 81.7% | 2,631 |
| 22 Sep 2026 | 82.0% | 2,641 |
| 15 Sep 2026 | 82.4% | 2,652 |
| 8 Sep 2026 | 82.9% | 2,669 |
| 1 Sep 2026 | 83.4% | 2,686 |
| 25 Aug 2026 | 84.1% | 2,706 |
| 18 Aug 2026 | 84.8% | 2,729 |
| 11 Aug 2026 | 85.7% | 2,759 |
| 4 Aug 2026 | 86.8% | 2,795 |
| 28 Jul 2026 | 87.9% | 2,829 |
| 21 Jul 2026 | 88.5% | 2,849 |