BELO MONTE
Pará · AMAZONAS
Capacity
2,276.29 hm³
Coordinates
-3.126°N, 51.775°W
Operator
ONS
88.6% full
Current fill
88.6%vs 7 days ago
-2.0%losing
vs 1 year ago
N/A7-day trend
↓falling
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 2,276.29 hm³ |
| Usable capacity | 610.72 hm³ |
| Primary use | Hydroelectric |
| Operator | ONS |
| River | XINGU |
| Province | Pará |
| River basin | AMAZONAS |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -3.126, -51.775 · Open in Google Maps
About BELO MONTE
As of October 7, 2026, BELO MONTE is filled to 88.6% of its total capacity, holding roughly 541 hm³ of water out of a maximum 2,276 hm³. At this level the reservoir is high. Of that total, about 611 hm³ is usable (live) storage.
Over the most recent week on record the fill level has fallen by 2.0 percentage points.
Across the readings we hold for BELO MONTE — 52 data points between October 24, 2025 and October 7, 2026 — the level has ranged from a low of 26.3% (April 10, 2026) to a high of 102.5% (August 21, 2026). On average the reservoir is fullest around August and at its lowest around April.
It is operated by ONS primarily for hydroelectric power. It lies within the AMAZONAS basin at 3.126°S, 51.775°W.
Key facts
- Current fill level
- 88.6%
- Water stored
- 541 hm³
- Total capacity
- 2,276 hm³
- Usable capacity
- 611 hm³
- 7-day change
- ▼ 2.0 pts
- Primary use
- Hydroelectric power
- River
- XINGU
- River basin
- AMAZONAS
- Operator
- ONS
- Coordinates
- 3.126°S, 51.775°W
- Last updated
- October 7, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 7 Oct 2026 | 88.6% | 541 |
| 2 Oct 2026 | 90.6% | 554 |
| 25 Sep 2026 | 92.7% | 566 |
| 18 Sep 2026 | 95.4% | 583 |
| 11 Sep 2026 | 97.2% | 594 |
| 4 Sep 2026 | 99.1% | 605 |
| 28 Aug 2026 | 102.3% | 625 |
| 21 Aug 2026 | 102.5% | 626 |
| 14 Aug 2026 | 101.6% | 621 |
| 7 Aug 2026 | 97.7% | 597 |
| 31 Jul 2026 | 98.8% | 604 |
| 24 Jul 2026 | 95.2% | 581 |