Urrunaga
Álava · Autonomous Community of the Basque Country · Ebro
Capacity
72 hm³
Coordinates
42.980°N, 2.655°W
Operator
CHE
63.9% full
Current fill
63.9%vs 7 days ago
-1.4%losing
vs 1 year ago
-5.5%year-over-year
7-day trend
→stable
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 72 hm³ |
| Usable capacity | 64.8 hm³ |
| Primary use | Multi-purpose |
| Operator | CHE |
| Province | Álava |
| Autonomous community | Autonomous Community of the Basque Country |
| River basin | Ebro |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 42.980, -2.655 · Open in Google Maps
About Urrunaga
As of September 7, 2026, Urrunaga is filled to 63.9% of its total capacity, holding roughly 46 hm³ of water out of a maximum 72 hm³. At this level the reservoir is within its normal operating range. Of that total, about 65 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (-1.4 pts), and it is 5.5 points below its level on the same date a year earlier.
Across the readings we hold for Urrunaga — 419 data points between September 4, 2018 and September 7, 2026 — the level has ranged from a low of 47.2% (January 12, 2021) to a high of 91.7% (December 14, 2021). On average the reservoir is fullest around May and at its lowest around November.
It is operated by CHE primarily for multiple purposes. It lies within the Ebro basin at 42.980°N, 2.655°W.
Key facts
- Current fill level
- 63.9%
- Water stored
- 46 hm³
- Total capacity
- 72 hm³
- Usable capacity
- 65 hm³
- 7-day change
- ▼ 1.4 pts
- Year-on-year
- ▼ 5.5 pts
- Primary use
- Multipurpose
- River basin
- Ebro
- Operator
- CHE
- Coordinates
- 42.980°N, 2.655°W
- Last updated
- September 7, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 7 Sep 2026 | 63.9% | 46 |
| 1 Sep 2026 | 65.3% | 47 |
| 25 Aug 2026 | 66.7% | 48 |
| 18 Aug 2026 | 68.1% | 49 |
| 11 Aug 2026 | 69.4% | 50 |
| 4 Aug 2026 | 70.8% | 51 |
| 28 Jul 2026 | 72.2% | 52 |
| 21 Jul 2026 | 73.6% | 53 |
| 14 Jul 2026 | 75.0% | 54 |
| 7 Jul 2026 | 77.8% | 56 |
| 30 Jun 2026 | 79.2% | 57 |
| 23 Jun 2026 | 80.6% | 58 |