Urkulu
Cuencas Internas del País Vasco
Capacity
10 hm³
Coordinates
43.023°N, 2.475°W
Operator
Cuencas Internas del País Vasco
80.0% full
Current fill
80.0%vs 13 Oct 2026
0.0 ppstable
vs 1 year ago
0.0 ppyear-over-year
Trend
→stable
Drought context
Storage vs October average
114%of normal
80.0% full on 2026-10-19, against an average of 70.2% for October across 9 years of readings (+9.8 points).
Rain over the last three months · 11 October 2026
Moderately dry
In the three months to 11 October 2026 the area around Urkulu 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 −1.33). Rain, not storage.
EU drought indicator · 11 October 2026
Warningsoil-moisture 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 | 10 hm³ |
| Primary use | — |
| Operator | Cuencas Internas del País Vasco |
| River basin | Cuencas Internas del País Vasco |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 43.023°N, 2.475°W · Open in Google Maps
About Urkulu
As of October 19, 2026, Urkulu is filled to 80.0% of its total capacity, holding 8 hm³ of water out of a maximum 10 hm³. At this level the reservoir is high.
Since October 13, 2026 the fill level has held broadly steady (+0.0 pp), and it sits close to where it was a year earlier.
Across the readings we hold for Urkulu — 419 data points between October 16, 2018 and October 19, 2026 — the level has ranged from a low of 50.0% (September 19, 2023) to a high of 100.0% (February 12, 2019). On average the reservoir is fullest around March and at its lowest around October.
It is operated by Cuencas Internas del País Vasco. It lies within the Cuencas Internas del País Vasco basin at 43.023°N, 2.475°W.
Key facts
- Current fill level
- 80.0% of total capacity
- Water stored
- 8 hm³
- Total capacity
- 10 hm³
- Change since October 13, 2026
- No change
- Year-on-year
- No change
- River basin
- Cuencas Internas del País Vasco
- Operator
- Cuencas Internas del País Vasco
- Coordinates
- 43.023°N, 2.475°W
- Last updated
- October 19, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 19 Oct 2026 | 80.0% | 8 |
| 13 Oct 2026 | 80.0% | 8 |
| 6 Oct 2026 | 80.0% | 8 |
| 29 Sep 2026 | 80.0% | 8 |
| 22 Sep 2026 | 80.0% | 8 |
| 15 Sep 2026 | 80.0% | 8 |
| 8 Sep 2026 | 80.0% | 8 |
| 1 Sep 2026 | 80.0% | 8 |
| 25 Aug 2026 | 80.0% | 8 |
| 18 Aug 2026 | 90.0% | 9 |
| 11 Aug 2026 | 90.0% | 9 |
| 4 Aug 2026 | 90.0% | 9 |