Guadalmena
Jaén · Andalusia · Guadalquivir
Capacity
345 hm³
Coordinates
38.390°N, 2.900°W
Operator
CHGu
81.7% full
Current fill
81.7%vs 7 days ago
-0.9%losing
vs 1 year ago
+38.2%year-over-year
7-day trend
→stable
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 345 hm³ |
| Usable capacity | 310.5 hm³ |
| Primary use | Multi-purpose |
| Operator | CHGu |
| Province | Jaén |
| Autonomous community | Andalusia |
| River basin | Guadalquivir |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 38.390, -2.900 · Open in Google Maps
About Guadalmena
As of September 7, 2026, Guadalmena is filled to 81.7% of its total capacity, holding roughly 282 hm³ of water out of a maximum 345 hm³. At this level the reservoir is high. Of that total, about 311 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (-0.9 pts), and it is 38.2 points above its level on the same date a year earlier.
Across the readings we hold for Guadalmena — 419 data points between September 4, 2018 and September 7, 2026 — the level has ranged from a low of 15.7% (October 18, 2022) to a high of 95.9% (April 21, 2026). On average the reservoir is fullest around June and at its lowest around November.
It is operated by CHGu primarily for multiple purposes. It lies within the Guadalquivir basin at 38.390°N, 2.900°W.
Key facts
- Current fill level
- 81.7%
- Water stored
- 282 hm³
- Total capacity
- 345 hm³
- Usable capacity
- 311 hm³
- 7-day change
- ▼ 0.9 pts
- Year-on-year
- ▲ 38.2 pts
- Primary use
- Multipurpose
- River basin
- Guadalquivir
- Operator
- CHGu
- Coordinates
- 38.390°N, 2.900°W
- Last updated
- September 7, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 7 Sep 2026 | 81.7% | 282 |
| 1 Sep 2026 | 82.6% | 285 |
| 25 Aug 2026 | 83.8% | 289 |
| 18 Aug 2026 | 84.6% | 292 |
| 11 Aug 2026 | 85.5% | 295 |
| 4 Aug 2026 | 86.7% | 299 |
| 28 Jul 2026 | 87.5% | 302 |
| 21 Jul 2026 | 88.4% | 305 |
| 14 Jul 2026 | 89.6% | 309 |
| 7 Jul 2026 | 90.4% | 312 |
| 30 Jun 2026 | 91.3% | 315 |
| 23 Jun 2026 | 92.2% | 318 |