B.COQUEIROS
Goiás · PARANAIBA
Capacity
347.8 hm³
Coordinates
-18.721°N, 51.004°W
Operator
ONS
98.4% full
Current fill
98.4%vs 7 days ago
+12.6%gaining
vs 1 year ago
N/A7-day trend
↑rising
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 347.8 hm³ |
| Usable capacity | 48.47 hm³ |
| Primary use | Hydroelectric |
| Operator | ONS |
| River | CLARO |
| Province | Goiás |
| River basin | PARANAIBA |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -18.721, -51.004 · Open in Google Maps
About B.COQUEIROS
As of September 9, 2026, B.COQUEIROS is filled to 98.4% of its total capacity, holding roughly 48 hm³ of water out of a maximum 348 hm³. At this level the reservoir is high. Of that total, about 48 hm³ is usable (live) storage.
Over the most recent week on record the fill level has risen by 12.6 percentage points.
Across the readings we hold for B.COQUEIROS — 52 data points between September 26, 2025 and September 9, 2026 — the level has ranged from a low of 78.6% (August 21, 2026) to a high of 100.0% (July 24, 2026). On average the reservoir is fullest around July and at its lowest around August.
It is operated by ONS primarily for hydroelectric power. It lies within the PARANAIBA basin at 18.721°S, 51.004°W.
Key facts
- Current fill level
- 98.4%
- Water stored
- 48 hm³
- Total capacity
- 348 hm³
- Usable capacity
- 48 hm³
- 7-day change
- ▲ 12.6 pts
- Primary use
- Hydroelectric power
- River
- CLARO
- River basin
- PARANAIBA
- Operator
- ONS
- Coordinates
- 18.721°S, 51.004°W
- Last updated
- September 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Sep 2026 | 98.4% | 48 |
| 4 Sep 2026 | 85.9% | 42 |
| 28 Aug 2026 | 82.2% | 40 |
| 21 Aug 2026 | 78.6% | 38 |
| 14 Aug 2026 | 89.0% | 43 |
| 7 Aug 2026 | 96.8% | 47 |
| 31 Jul 2026 | 97.4% | 47 |
| 24 Jul 2026 | 100.0% | 49 |
| 17 Jul 2026 | 99.0% | 48 |
| 10 Jul 2026 | 99.0% | 48 |
| 3 Jul 2026 | 99.5% | 48 |
| 26 Jun 2026 | 95.3% | 46 |