Rialb
Lleida · Catalonia · Ebro
Capacity
404 hm³
Coordinates
41.947°N, 1.195°E
Operator
CHE
58.4% full
Current fill
58.4%vs 7 days ago
-3.7%losing
vs 1 year ago
-10.9%year-over-year
7-day trend
↓falling
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 404 hm³ |
| Usable capacity | 363.6 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. 41.947, 1.195 · Open in Google Maps
About Rialb
As of September 7, 2026, Rialb is filled to 58.4% of its total capacity, holding roughly 236 hm³ of water out of a maximum 404 hm³. At this level the reservoir is within its normal operating range. Of that total, about 364 hm³ is usable (live) storage.
Over the most recent week on record the fill level has fallen by 3.7 percentage points, and it is 10.9 points below its level on the same date a year earlier.
Across the readings we hold for Rialb — 419 data points between September 4, 2018 and September 7, 2026 — the level has ranged from a low of 4.2% (September 13, 2022) to a high of 99.5% (May 27, 2025). 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 41.947°N, 1.195°E.
Key facts
- Current fill level
- 58.4%
- Water stored
- 236 hm³
- Total capacity
- 404 hm³
- Usable capacity
- 364 hm³
- 7-day change
- ▼ 3.7 pts
- Year-on-year
- ▼ 10.9 pts
- Primary use
- Multipurpose
- River basin
- Ebro
- Operator
- CHE
- Coordinates
- 41.947°N, 1.195°E
- Last updated
- September 7, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 7 Sep 2026 | 58.4% | 236 |
| 1 Sep 2026 | 62.1% | 251 |
| 25 Aug 2026 | 64.4% | 260 |
| 18 Aug 2026 | 68.1% | 275 |
| 11 Aug 2026 | 71.8% | 290 |
| 4 Aug 2026 | 76.0% | 307 |
| 28 Jul 2026 | 80.2% | 324 |
| 21 Jul 2026 | 84.2% | 340 |
| 14 Jul 2026 | 87.1% | 352 |
| 7 Jul 2026 | 90.3% | 365 |
| 30 Jun 2026 | 93.3% | 377 |
| 23 Jun 2026 | 95.8% | 387 |