CORUMBA
Goiás · PARANAIBA
Capacity
1,500 hm³
Coordinates
-17.987°N, 48.531°W
Operator
ONS
46.6% full
Current fill
46.6%vs 7 days ago
-0.8%losing
vs 1 year ago
N/A7-day trend
→stable
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 1,500 hm³ |
| Usable capacity | 1,024.9 hm³ |
| Primary use | Hydroelectric |
| Operator | ONS |
| River | CORUMBÁ |
| Province | Goiás |
| River basin | PARANAIBA |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -17.987, -48.531 · Open in Google Maps
About CORUMBA
As of September 9, 2026, CORUMBA is filled to 46.6% of its total capacity, holding roughly 478 hm³ of water out of a maximum 1,500 hm³. At this level the reservoir is within its normal operating range. Of that total, about 1,025 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (-0.8 pts).
Across the readings we hold for CORUMBA — 52 data points between September 26, 2025 and September 9, 2026 — the level has ranged from a low of 17.6% (November 28, 2025) to a high of 97.1% (April 3, 2026). On average the reservoir is fullest around April and at its lowest around November.
It is operated by ONS primarily for hydroelectric power. It lies within the PARANAIBA basin at 17.987°S, 48.531°W.
Key facts
- Current fill level
- 46.6%
- Water stored
- 478 hm³
- Total capacity
- 1,500 hm³
- Usable capacity
- 1,025 hm³
- 7-day change
- ▼ 0.8 pts
- Primary use
- Hydroelectric power
- River
- CORUMBÁ
- River basin
- PARANAIBA
- Operator
- ONS
- Coordinates
- 17.987°S, 48.531°W
- Last updated
- September 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Sep 2026 | 46.6% | 478 |
| 4 Sep 2026 | 47.4% | 485 |
| 28 Aug 2026 | 53.2% | 545 |
| 21 Aug 2026 | 59.0% | 605 |
| 14 Aug 2026 | 61.8% | 634 |
| 7 Aug 2026 | 66.5% | 682 |
| 31 Jul 2026 | 69.0% | 708 |
| 24 Jul 2026 | 71.6% | 734 |
| 17 Jul 2026 | 75.8% | 777 |
| 10 Jul 2026 | 78.2% | 801 |
| 3 Jul 2026 | 80.6% | 827 |
| 26 Jun 2026 | 81.0% | 830 |