P. COLOMBIA
Minas Gerais · GRANDE
Capacity
1,524 hm³
Coordinates
-20.127°N, 48.566°W
Operator
ONS
88.3% full
Current fill
88.3%vs 7 days ago
+10.7%gaining
vs 1 year ago
+16.6%year-over-year
7-day trend
↑rising
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 July 28, 2026, P. COLOMBIA is filled to 88.3% of its total capacity, holding roughly 206 hm³ of water out of a maximum 1,524 hm³. At this level the reservoir is high. Of that total, about 234 hm³ is usable (live) storage.
Over the most recent week on record the fill level has risen by 10.7 percentage points, and it is 16.6 points above its level on the same date a year earlier.
Across the readings we hold for P. COLOMBIA — 52 data points between August 15, 2025 and July 28, 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
- 88.3%
- Water stored
- 206 hm³
- Total capacity
- 1,524 hm³
- Usable capacity
- 234 hm³
- 7-day change
- ▲ 10.7 pts
- Year-on-year
- ▲ 16.6 pts
- Primary use
- Hydroelectric power
- River
- GRANDE
- River basin
- GRANDE
- Operator
- ONS
- Coordinates
- 20.127°S, 48.566°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 88.3% | 206 |
| 24 Jul 2026 | 77.6% | 181 |
| 17 Jul 2026 | 82.3% | 192 |
| 10 Jul 2026 | 85.3% | 199 |
| 3 Jul 2026 | 85.3% | 199 |
| 26 Jun 2026 | 88.3% | 206 |
| 19 Jun 2026 | 72.2% | 169 |
| 12 Jun 2026 | 53.8% | 126 |
| 5 Jun 2026 | 66.3% | 155 |
| 29 May 2026 | 57.4% | 134 |
| 22 May 2026 | 87.7% | 205 |
| 15 May 2026 | 90.8% | 212 |
Frequently asked questions
What is the current water level of P. COLOMBIA?
As of July 28, 2026, P. COLOMBIA is at 88.3% of its capacity, holding approximately 206 hm³ of water, according to ONS – Operador Nacional do Sistema Elétrico data.
Is P. COLOMBIA reservoir full?
No. As of July 28, 2026, P. COLOMBIA is high at 88.3% of its capacity, so it is not full.
Is the water level at P. COLOMBIA rising or falling?
The level at P. COLOMBIA is rising — it gained 10.7 percentage points over the latest week on record.
How much water can P. COLOMBIA hold?
P. COLOMBIA has a total capacity of 1,524 hm³, of which about 234 hm³ is usable storage.
Where is P. COLOMBIA reservoir located?
P. COLOMBIA is located in Minas Gerais, Brazil, within the GRANDE basin (coordinates 20.127°S, 48.566°W).
What is P. COLOMBIA used for?
P. COLOMBIA is used primarily for hydroelectric power, and is managed by ONS.

