Oliana
Lleida · Catalonia · Ebro
Capacity
84 hm³
Coordinates
42.109°N, 1.304°E
Operator
CHE
63.1% full
Current fill
63.1%vs 7 days ago
-6.0%losing
vs 1 year ago
-14.3%year-over-year
7-day trend
↓falling
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 84 hm³ |
| Usable capacity | 75.6 hm³ |
| Primary use | Multi-purpose |
| Operator | CHE |
| Province | Lleida |
| Autonomous community | Catalonia |
| River basin | Ebro |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 42.109, 1.304 · Open in Google Maps
About Oliana
As of July 27, 2026, Oliana is filled to 63.1% of its total capacity, holding roughly 53 hm³ of water out of a maximum 84 hm³. At this level the reservoir is within its normal operating range. Of that total, about 76 hm³ is usable (live) storage.
Over the most recent week on record the fill level has fallen by 6.0 percentage points, and it is 14.3 points below its level on the same date a year earlier.
Across the readings we hold for Oliana — 420 data points between July 17, 2018 and July 27, 2026 — the level has ranged from a low of 23.8% (October 17, 2023) to a high of 100.0% (July 2, 2019). On average the reservoir is fullest around June and at its lowest around October.
It is operated by CHE primarily for multiple purposes. It lies within the Ebro basin at 42.109°N, 1.304°E.
Key facts
- Current fill level
- 63.1%
- Water stored
- 53 hm³
- Total capacity
- 84 hm³
- Usable capacity
- 76 hm³
- 7-day change
- ▼ 6.0 pts
- Year-on-year
- ▼ 14.3 pts
- Primary use
- Multipurpose
- River basin
- Ebro
- Operator
- CHE
- Coordinates
- 42.109°N, 1.304°E
- Last updated
- July 27, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 27 Jul 2026 | 63.1% | 53 |
| 20 Jul 2026 | 69.1% | 58 |
| 14 Jul 2026 | 76.2% | 64 |
| 7 Jul 2026 | 82.1% | 69 |
| 30 Jun 2026 | 86.9% | 73 |
| 23 Jun 2026 | 88.1% | 74 |
| 16 Jun 2026 | 86.9% | 73 |
| 9 Jun 2026 | 94.0% | 79 |
| 2 Jun 2026 | 96.4% | 81 |
| 26 May 2026 | 95.2% | 80 |
| 19 May 2026 | 96.4% | 81 |
| 12 May 2026 | 94.0% | 79 |
Frequently asked questions
What is the current water level of Oliana?
As of July 27, 2026, Oliana is at 63.1% of its capacity, holding approximately 53 hm³ of water, according to embalses.net data.
Is Oliana reservoir full?
No. As of July 27, 2026, Oliana is within its normal operating range at 63.1% of its capacity, so it is not full.
Is the water level at Oliana rising or falling?
The level at Oliana is falling — it dropped 6.0 percentage points over the latest week on record.
How much water can Oliana hold?
Oliana has a total capacity of 84 hm³, of which about 76 hm³ is usable storage.
Where is Oliana reservoir located?
Oliana is located in Lleida, Catalonia, Spain, within the Ebro basin (coordinates 42.109°N, 1.304°E).
What is Oliana used for?
Oliana is used primarily for multiple purposes, and is managed by CHE.