Itoiz
Pirinioaurrea · Navarre · Ebro
Capacity
417 hm³
Coordinates
42.847°N, 1.334°W
Operator
CHE
Current fill
84.4%vs 7 days ago
-2.2%losing
vs 1 year ago
-7.4%year-over-year
7-day trend
↓falling
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 417 hm³ |
| Usable capacity | 375.3 hm³ |
| Primary use | Multi-purpose |
| Operator | CHE |
| Province | Pirinioaurrea |
| Autonomous community | Navarre |
| River basin | Ebro |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 42.847, -1.334 · Open in Google Maps
About Itoiz
As of June 9, 2026, Itoiz is filled to 84.4% of its total capacity, holding roughly 352 hm³ of water out of a maximum 417 hm³. At this level the reservoir is high. Of that total, about 375 hm³ is usable (live) storage.
Over the most recent week on record the fill level has fallen by 2.2 percentage points, and it is 7.4 points below its level on the same date a year earlier.
Across the readings we hold for Itoiz — 418 data points between June 12, 2018 and June 9, 2026 — the level has ranged from a low of 36.2% (November 15, 2022) to a high of 99.5% (April 2, 2024). On average the reservoir is fullest around May and at its lowest around October.
It is operated by CHE primarily for multiple purposes. It lies within the Ebro basin at 42.847°N, 1.334°W.
Key facts
- Current fill level
- 84.4%
- Water stored
- 352 hm³
- Total capacity
- 417 hm³
- Usable capacity
- 375 hm³
- 7-day change
- ▼ 2.2 pts
- Year-on-year
- ▼ 7.4 pts
- Primary use
- Multipurpose
- River basin
- Ebro
- Operator
- CHE
- Coordinates
- 42.847°N, 1.334°W
- Last updated
- June 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Jun 2026 | 84.4% | 352 |
| 2 Jun 2026 | 86.6% | 361 |
| 26 May 2026 | 89.0% | 371 |
| 19 May 2026 | 90.2% | 376 |
| 12 May 2026 | 88.0% | 367 |
| 5 May 2026 | 87.3% | 364 |
| 28 Apr 2026 | 87.8% | 366 |
| 21 Apr 2026 | 89.4% | 373 |
| 14 Apr 2026 | 90.2% | 376 |
| 7 Apr 2026 | 90.4% | 377 |
| 31 Mar 2026 | 87.1% | 363 |
| 24 Mar 2026 | 87.3% | 364 |
Frequently asked questions
What is the current water level of Itoiz?
As of June 9, 2026, Itoiz is at 84.4% of its capacity, holding approximately 352 hm³ of water, according to MITECO data.
Is Itoiz reservoir full?
No. As of June 9, 2026, Itoiz is high at 84.4% of its capacity, so it is not full.
Is the water level at Itoiz rising or falling?
The level at Itoiz is falling — it dropped 2.2 percentage points over the latest week on record.
How much water can Itoiz hold?
Itoiz has a total capacity of 417 hm³, of which about 375 hm³ is usable storage.
Where is Itoiz reservoir located?
Itoiz is located in Pirinioaurrea, Navarre, Spain, within the Ebro basin (coordinates 42.847°N, 1.334°W).
What is Itoiz used for?
Itoiz is used primarily for multiple purposes, and is managed by CHE.

