Ullívarri
Álava · Autonomous Community of the Basque Country · Ebro
Capacity
146 hm³
Coordinates
42.924°N, 2.576°W
Operator
CHE
76.0% full
Current fill
76.0%vs 7 days ago
-1.4%losing
vs 1 year ago
-2.1%year-over-year
7-day trend
→stable
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 146 hm³ |
| Usable capacity | 131.4 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. 42.924, -2.576 · Open in Google Maps
About Ullívarri
As of July 27, 2026, Ullívarri is filled to 76.0% of its total capacity, holding roughly 111 hm³ of water out of a maximum 146 hm³. At this level the reservoir is within its normal operating range. Of that total, about 131 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 2.1 points below its level on the same date a year earlier.
Across the readings we hold for Ullívarri — 420 data points between July 17, 2018 and July 27, 2026 — the level has ranged from a low of 56.2% (October 24, 2023) to a high of 95.2% (December 14, 2021). 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 42.924°N, 2.576°W.
Key facts
- Current fill level
- 76.0%
- Water stored
- 111 hm³
- Total capacity
- 146 hm³
- Usable capacity
- 131 hm³
- 7-day change
- ▼ 1.4 pts
- Year-on-year
- ▼ 2.1 pts
- Primary use
- Multipurpose
- River basin
- Ebro
- Operator
- CHE
- Coordinates
- 42.924°N, 2.576°W
- Last updated
- July 27, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 27 Jul 2026 | 76.0% | 111 |
| 20 Jul 2026 | 77.4% | 113 |
| 14 Jul 2026 | 79.5% | 116 |
| 7 Jul 2026 | 80.8% | 118 |
| 30 Jun 2026 | 82.9% | 121 |
| 23 Jun 2026 | 84.2% | 123 |
| 16 Jun 2026 | 85.6% | 125 |
| 9 Jun 2026 | 87.0% | 127 |
| 2 Jun 2026 | 87.7% | 128 |
| 26 May 2026 | 89.0% | 130 |
| 19 May 2026 | 88.4% | 129 |
| 12 May 2026 | 87.7% | 128 |
Frequently asked questions
What is the current water level of Ullívarri?
As of July 27, 2026, Ullívarri is at 76.0% of its capacity, holding approximately 111 hm³ of water, according to embalses.net data.
Is Ullívarri reservoir full?
No. As of July 27, 2026, Ullívarri is within its normal operating range at 76.0% of its capacity, so it is not full.
Is the water level at Ullívarri rising or falling?
The level at Ullívarri has been broadly stable over the latest week on record (-1.4 points).
How much water can Ullívarri hold?
Ullívarri has a total capacity of 146 hm³, of which about 131 hm³ is usable storage.
Where is Ullívarri reservoir located?
Ullívarri is located in Álava, Autonomous Community of the Basque Country, Spain, within the Ebro basin (coordinates 42.924°N, 2.576°W).
What is Ullívarri used for?
Ullívarri is used primarily for multiple purposes, and is managed by CHE.

