Itoiz
Pirinioaurrea · Navarre · Ebro
Capacity
417 hm³
Coordinates
42.847°N, 1.334°W
Operator
CHE
57.8% full
Current fill
57.8%vs 7 days ago
-4.6%losing
vs 1 year ago
-10.8%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 July 27, 2026, Itoiz is filled to 57.8% of its total capacity, holding roughly 241 hm³ of water out of a maximum 417 hm³. At this level the reservoir is within its normal operating range. Of that total, about 375 hm³ is usable (live) storage.
Over the most recent week on record the fill level has fallen by 4.6 percentage points, and it is 10.8 points below its level on the same date a year earlier.
Across the readings we hold for Itoiz — 420 data points between July 17, 2018 and July 27, 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
- 57.8%
- Water stored
- 241 hm³
- Total capacity
- 417 hm³
- Usable capacity
- 375 hm³
- 7-day change
- ▼ 4.6 pts
- Year-on-year
- ▼ 10.8 pts
- Primary use
- Multipurpose
- River basin
- Ebro
- Operator
- CHE
- Coordinates
- 42.847°N, 1.334°W
- Last updated
- July 27, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 27 Jul 2026 | 57.8% | 241 |
| 20 Jul 2026 | 62.4% | 260 |
| 14 Jul 2026 | 66.9% | 279 |
| 7 Jul 2026 | 71.2% | 297 |
| 30 Jun 2026 | 75.1% | 313 |
| 23 Jun 2026 | 78.9% | 329 |
| 16 Jun 2026 | 82.0% | 342 |
| 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 |
Frequently asked questions
What is the current water level of Itoiz?
As of July 27, 2026, Itoiz is at 57.8% of its capacity, holding approximately 241 hm³ of water, according to embalses.net data.
Is Itoiz reservoir full?
No. As of July 27, 2026, Itoiz is within its normal operating range at 57.8% 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 4.6 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.

