Alloz
Estellerria · Navarre · Ebro
Capacity
66 hm³
Coordinates
42.724°N, 1.942°W
Operator
CHE
Current fill
83.3%vs 7 days ago
0.0%stable
vs 1 year ago
-10.6%year-over-year
7-day trend
→stable
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 66 hm³ |
| Usable capacity | 59.4 hm³ |
| Primary use | Multi-purpose |
| Operator | CHE |
| Province | Estellerria |
| Autonomous community | Navarre |
| River basin | Ebro |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 42.724, -1.942 · Open in Google Maps
About Alloz
As of June 9, 2026, Alloz is filled to 83.3% of its total capacity, holding roughly 55 hm³ of water out of a maximum 66 hm³. At this level the reservoir is high. Of that total, about 59 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 10.6 points below its level on the same date a year earlier.
Across the readings we hold for Alloz — 418 data points between June 12, 2018 and June 9, 2026 — the level has ranged from a low of 16.7% (November 2, 2021) to a high of 93.9% (May 20, 2025). On average the reservoir is fullest around April and at its lowest around November.
It is operated by CHE primarily for multiple purposes. It lies within the Ebro basin at 42.724°N, 1.942°W.
Key facts
- Current fill level
- 83.3%
- Water stored
- 55 hm³
- Total capacity
- 66 hm³
- Usable capacity
- 59 hm³
- 7-day change
- No change
- Year-on-year
- ▼ 10.6 pts
- Primary use
- Multipurpose
- River basin
- Ebro
- Operator
- CHE
- Coordinates
- 42.724°N, 1.942°W
- Last updated
- June 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Jun 2026 | 83.3% | 55 |
| 2 Jun 2026 | 83.3% | 55 |
| 26 May 2026 | 83.3% | 55 |
| 19 May 2026 | 86.4% | 57 |
| 12 May 2026 | 86.4% | 57 |
| 5 May 2026 | 84.8% | 56 |
| 28 Apr 2026 | 83.3% | 55 |
| 21 Apr 2026 | 83.3% | 55 |
| 14 Apr 2026 | 84.8% | 56 |
| 7 Apr 2026 | 87.9% | 58 |
| 31 Mar 2026 | 83.3% | 55 |
| 24 Mar 2026 | 87.9% | 58 |
Frequently asked questions
What is the current water level of Alloz?
As of June 9, 2026, Alloz is at 83.3% of its capacity, holding approximately 55 hm³ of water, according to MITECO data.
Is Alloz reservoir full?
No. As of June 9, 2026, Alloz is high at 83.3% of its capacity, so it is not full.
Is the water level at Alloz rising or falling?
The level at Alloz has been broadly stable over the latest week on record (0.0 points).
How much water can Alloz hold?
Alloz has a total capacity of 66 hm³, of which about 59 hm³ is usable storage.
Where is Alloz reservoir located?
Alloz is located in Estellerria, Navarre, Spain, within the Ebro basin (coordinates 42.724°N, 1.942°W).
What is Alloz used for?
Alloz is used primarily for multiple purposes, and is managed by CHE.