Gérgal
Sevilla · Andalusia · Guadalquivir
Capacity
35 hm³
Coordinates
37.577°N, 6.047°W
Operator
CHGu
65.7% full
Current fill
65.7%vs 7 days ago
0.0%stable
vs 1 year ago
+14.3%year-over-year
7-day trend
→stable
Drought context
Storage vs October average
110%of normal
65.7% full on 2026-10-13, against an average of 59.9% for October across 9 years of readings (+5.8 points).
Rain over the last three months · 21 September 2026
Moderately dry
In the three months to 21 September 2026 the area around Gergal had well below normal rain, a shortfall seen about one year in six. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index −1.40). Rain, not storage.
EU drought indicator · 11 September 2026
Watchrainfall deficit
The European Drought Observatory's combined reading of rain, soil moisture and vegetation at this point. Watch means rain has been short, Warning that the soil has dried out, Alert that vegetation is visibly stressed; Recovery means the shortfall is easing. Ground conditions, not the reservoir's storage. Spain drought figures →
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 | CHGu |
| Province | Sevilla |
| Autonomous community | Andalusia |
| River basin | Guadalquivir |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 37.577, -6.047 · Open in Google Maps
About Gérgal
As of October 13, 2026, Gérgal is filled to 65.7% of its total capacity, holding roughly 23 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 14.3 points above its level on the same date a year earlier.
Across the readings we hold for Gérgal — 418 data points between October 16, 2018 and October 13, 2026 — the level has ranged from a low of 42.9% (July 18, 2023) to a high of 100.0% (February 18, 2020). On average the reservoir is fullest around April and at its lowest around July.
It is operated by CHGu primarily for multiple purposes. It lies within the Guadalquivir basin at 37.577°N, 6.047°W.
Key facts
- Current fill level
- 65.7%
- Water stored
- 23 hm³
- Total capacity
- 35 hm³
- Usable capacity
- 32 hm³
- 7-day change
- No change
- Year-on-year
- ▲ 14.3 pts
- Primary use
- Multipurpose
- River basin
- Guadalquivir
- Operator
- CHGu
- Coordinates
- 37.577°N, 6.047°W
- Last updated
- October 13, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 13 Oct 2026 | 65.7% | 23 |
| 6 Oct 2026 | 65.7% | 23 |
| 29 Sep 2026 | 68.6% | 24 |
| 22 Sep 2026 | 71.4% | 25 |
| 15 Sep 2026 | 85.7% | 30 |
| 8 Sep 2026 | 80.0% | 28 |
| 1 Sep 2026 | 77.1% | 27 |
| 25 Aug 2026 | 74.3% | 26 |
| 18 Aug 2026 | 68.6% | 24 |
| 11 Aug 2026 | 65.7% | 23 |
| 4 Aug 2026 | 62.9% | 22 |
| 28 Jul 2026 | 57.1% | 20 |