CANA BRAVA
Goiás · TOCANTINS
Capacity
2,300 hm³
Coordinates
-13.404°N, 48.142°W
Operator
ONS
Current fill
92.6%vs 7 days ago
0.0%stable
vs 1 year ago
-0.3%year-over-year
7-day trend
→stable
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 2,300 hm³ |
| Usable capacity | 393.87 hm³ |
| Primary use | Hydroelectric |
| Operator | ONS |
| River | TOCANTINS |
| Province | Goiás |
| River basin | TOCANTINS |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -13.404, -48.142 · Open in Google Maps
About CANA BRAVA
As of June 10, 2026, CANA BRAVA is filled to 92.6% of its total capacity, holding roughly 365 hm³ of water out of a maximum 2,300 hm³. At this level the reservoir is high. Of that total, about 394 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts), and it sits close to where it was a year earlier.
Across the readings we hold for CANA BRAVA — 52 data points between June 27, 2025 and June 10, 2026 — the level has ranged from a low of 69.0% (April 24, 2026) to a high of 97.5% (July 11, 2025). On average the reservoir is fullest around July and at its lowest around April.
It is operated by ONS primarily for hydroelectric power. It lies within the TOCANTINS basin at 13.404°S, 48.142°W.
Key facts
- Current fill level
- 92.6%
- Water stored
- 365 hm³
- Total capacity
- 2,300 hm³
- Usable capacity
- 394 hm³
- 7-day change
- No change
- Year-on-year
- ▼ 0.3 pts
- Primary use
- Hydroelectric power
- River
- TOCANTINS
- River basin
- TOCANTINS
- Operator
- ONS
- Coordinates
- 13.404°S, 48.142°W
- Last updated
- June 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Jun 2026 | 92.6% | 365 |
| 5 Jun 2026 | 92.6% | 365 |
| 29 May 2026 | 91.2% | 359 |
| 22 May 2026 | 92.6% | 365 |
| 15 May 2026 | 91.5% | 361 |
| 8 May 2026 | 79.7% | 314 |
| 1 May 2026 | 71.1% | 280 |
| 24 Apr 2026 | 69.0% | 272 |
| 17 Apr 2026 | 81.1% | 319 |
| 10 Apr 2026 | 72.8% | 287 |
| 3 Apr 2026 | 69.7% | 275 |
| 27 Mar 2026 | 85.3% | 336 |
Frequently asked questions
What is the current water level of CANA BRAVA?
As of June 10, 2026, CANA BRAVA is at 92.6% of its capacity, holding approximately 365 hm³ of water, according to ONS – Operador Nacional do Sistema Elétrico data.
Is CANA BRAVA reservoir full?
No. As of June 10, 2026, CANA BRAVA is high at 92.6% of its capacity, so it is not full.
Is the water level at CANA BRAVA rising or falling?
The level at CANA BRAVA has been broadly stable over the latest week on record (0.0 points).
How much water can CANA BRAVA hold?
CANA BRAVA has a total capacity of 2,300 hm³, of which about 394 hm³ is usable storage.
Where is CANA BRAVA reservoir located?
CANA BRAVA is located in Goiás, Brazil, within the TOCANTINS basin (coordinates 13.404°S, 48.142°W).
What is CANA BRAVA used for?
CANA BRAVA is used primarily for hydroelectric power, and is managed by ONS.