Andévalo
Huelva · Andalusia · Guadiana
Capacity
634 hm³
Coordinates
37.624°N, 7.395°W
Operator
CHSU
86.0% full
Current fill
86.0%vs 7 days ago
-0.3%losing
vs 1 year ago
+32.5%year-over-year
7-day trend
→stable
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 634 hm³ |
| Usable capacity | 570.6 hm³ |
| Primary use | Multi-purpose |
| Operator | CHSU |
| Province | Huelva |
| Autonomous community | Andalusia |
| River basin | Guadiana |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 37.624, -7.395 · Open in Google Maps
About Andévalo
As of September 7, 2026, Andévalo is filled to 86.0% of its total capacity, holding roughly 545 hm³ of water out of a maximum 634 hm³. At this level the reservoir is high. Of that total, about 571 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (-0.3 pts), and it is 32.5 points above its level on the same date a year earlier.
Across the readings we hold for Andévalo — 419 data points between September 4, 2018 and September 7, 2026 — the level has ranged from a low of 23.7% (October 17, 2023) to a high of 91.8% (March 3, 2026). On average the reservoir is fullest around April and at its lowest around October.
It is operated by CHSU primarily for multiple purposes. It lies within the Guadiana basin at 37.624°N, 7.395°W.
Key facts
- Current fill level
- 86.0%
- Water stored
- 545 hm³
- Total capacity
- 634 hm³
- Usable capacity
- 571 hm³
- 7-day change
- ▼ 0.3 pts
- Year-on-year
- ▲ 32.5 pts
- Primary use
- Multipurpose
- River basin
- Guadiana
- Operator
- CHSU
- Coordinates
- 37.624°N, 7.395°W
- Last updated
- September 7, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 7 Sep 2026 | 86.0% | 545 |
| 1 Sep 2026 | 86.3% | 547 |
| 25 Aug 2026 | 86.4% | 548 |
| 18 Aug 2026 | 86.6% | 549 |
| 11 Aug 2026 | 87.1% | 552 |
| 4 Aug 2026 | 87.5% | 555 |
| 28 Jul 2026 | 87.7% | 556 |
| 21 Jul 2026 | 87.9% | 557 |
| 14 Jul 2026 | 88.3% | 560 |
| 7 Jul 2026 | 88.6% | 562 |
| 30 Jun 2026 | 88.6% | 562 |
| 23 Jun 2026 | 89.1% | 565 |