P. COLOMBIA
Minas Gerais · GRANDE
Capacity
1,524 hm³
Coordinates
-20.127°N, 48.566°W
Operator
ONS
76.4% full
Current fill
76.4%vs 7 days ago
-13.7%losing
vs 1 year ago
N/A7-day trend
↓falling
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 1,524 hm³ |
| Usable capacity | 233.5 hm³ |
| Primary use | Hydroelectric |
| Operator | ONS |
| River | GRANDE |
| Province | Minas Gerais |
| River basin | GRANDE |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -20.127, -48.566 · Open in Google Maps
About P. COLOMBIA
As of September 9, 2026, P. COLOMBIA is filled to 76.4% of its total capacity, holding roughly 178 hm³ of water out of a maximum 1,524 hm³. At this level the reservoir is within its normal operating range. Of that total, about 234 hm³ is usable (live) storage.
Over the most recent week on record the fill level has fallen by 13.7 percentage points.
Across the readings we hold for P. COLOMBIA — 52 data points between September 26, 2025 and September 9, 2026 — the level has ranged from a low of 42.5% (December 31, 2025) to a high of 92.0% (October 10, 2025). On average the reservoir is fullest around March and at its lowest around November.
It is operated by ONS primarily for hydroelectric power. It lies within the GRANDE basin at 20.127°S, 48.566°W.
Key facts
- Current fill level
- 76.4%
- Water stored
- 178 hm³
- Total capacity
- 1,524 hm³
- Usable capacity
- 234 hm³
- 7-day change
- ▼ 13.7 pts
- Primary use
- Hydroelectric power
- River
- GRANDE
- River basin
- GRANDE
- Operator
- ONS
- Coordinates
- 20.127°S, 48.566°W
- Last updated
- September 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Sep 2026 | 76.4% | 178 |
| 4 Sep 2026 | 90.1% | 211 |
| 28 Aug 2026 | 74.6% | 174 |
| 21 Aug 2026 | 83.5% | 195 |
| 14 Aug 2026 | 84.7% | 198 |
| 7 Aug 2026 | 72.2% | 169 |
| 31 Jul 2026 | 66.3% | 155 |
| 24 Jul 2026 | 77.6% | 181 |
| 17 Jul 2026 | 82.3% | 192 |
| 10 Jul 2026 | 85.3% | 199 |
| 3 Jul 2026 | 84.1% | 196 |
| 26 Jun 2026 | 88.3% | 206 |