Ibiur
Gipuzkoa · Autonomous Community of the Basque Country · Cantábrico Oriental
Capacity
8 hm³
Coordinates
43.082°N, 2.126°W
Operator
CHCo
75.0% full
Current fill
75.0%vs 7 days ago
0.0%stable
vs 1 year ago
-12.5%year-over-year
7-day trend
→stable
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 8 hm³ |
| Usable capacity | 7.2 hm³ |
| Primary use | Multi-purpose |
| Operator | CHCo |
| Province | Gipuzkoa |
| Autonomous community | Autonomous Community of the Basque Country |
| River basin | Cantábrico Oriental |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 43.082, -2.126 · Open in Google Maps
About Ibiur
As of September 7, 2026, Ibiur is filled to 75.0% of its total capacity, holding roughly 6 hm³ of water out of a maximum 8 hm³. At this level the reservoir is within its normal operating range. Of that total, about 7 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 12.5 points below its level on the same date a year earlier.
Across the readings we hold for Ibiur — 419 data points between September 4, 2018 and September 7, 2026 — the level has ranged from a low of 62.5% (October 15, 2019) to a high of 100.0% (February 12, 2019). On average the reservoir is fullest around March and at its lowest around November.
It is operated by CHCo primarily for multiple purposes. It lies within the Cantábrico Oriental basin at 43.082°N, 2.126°W.
Key facts
- Current fill level
- 75.0%
- Water stored
- 6 hm³
- Total capacity
- 8 hm³
- Usable capacity
- 7 hm³
- 7-day change
- No change
- Year-on-year
- ▼ 12.5 pts
- Primary use
- Multipurpose
- River basin
- Cantábrico Oriental
- Operator
- CHCo
- Coordinates
- 43.082°N, 2.126°W
- Last updated
- September 7, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 7 Sep 2026 | 75.0% | 6 |
| 1 Sep 2026 | 75.0% | 6 |
| 25 Aug 2026 | 75.0% | 6 |
| 18 Aug 2026 | 75.0% | 6 |
| 11 Aug 2026 | 75.0% | 6 |
| 4 Aug 2026 | 75.0% | 6 |
| 28 Jul 2026 | 87.5% | 7 |
| 21 Jul 2026 | 87.5% | 7 |
| 14 Jul 2026 | 87.5% | 7 |
| 7 Jul 2026 | 87.5% | 7 |
| 30 Jun 2026 | 87.5% | 7 |
| 23 Jun 2026 | 87.5% | 7 |