P. COLOMBIA
Minas Gerais · GRANDE
Useful capacity
233.5 hm³
Coordinates
20.127°S, 48.566°W
Operator
ONS
77.6% of useful capacity
Current fill
77.6%of useful capacity
vs 7 days ago
+0.6 ppgaining
vs 1 year ago
+11.3 ppyear-over-year
7-day trend
→stable
Drought context
Storage vs October average
106%of normal
77.6% full on 2026-10-26, against an average of 73.2% for October across 2 years of readings (+4.4 points).
Rain over the last three months · 11 October 2026
Near normal
In the three months to 11 October 2026 the area around P. COLOMBIA had rain close to normal for the season. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index +0.20). Rain, not storage. Brazil drought figures →
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 |
| Province | Minas Gerais |
| River basin | GRANDE |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 20.127°S, 48.566°W · Open in Google Maps
About P. COLOMBIA
As of October 26, 2026, P. COLOMBIA is at 77.6% of useful capacity, holding 181.1 hm³ of 233.5 hm³. Of the 1,524 hm³ total capacity, that is 11.9%. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has held broadly steady (+0.6 pp), and it is 11.3 points above its level on the same date a year earlier.
Across the readings we hold for P. COLOMBIA — 65 data points between October 26, 2025 and October 26, 2026 — the level has ranged from a low of 42.5% (December 31, 2025) to a high of 91.4% (October 15, 2026). 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
- 77.6% of useful capacity
- Water stored
- 181.1 hm³
- Total capacity
- 1,524 hm³
- Usable capacity
- 233.5 hm³
- 7-day change
- ▲ 0.6 pp
- Year-on-year
- ▲ 11.3 pp
- Primary use
- Hydroelectric power
- River basin
- GRANDE
- Operator
- ONS
- Coordinates
- 20.127°S, 48.566°W
- Last updated
- October 26, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 26 Oct 2026 | 77.6% | 181.1 |
| 25 Oct 2026 | 84.1% | 196.4 |
| 24 Oct 2026 | 77.6% | 181.1 |
| 23 Oct 2026 | 78.2% | 182.6 |
| 22 Oct 2026 | 75.2% | 175.6 |
| 21 Oct 2026 | 75.8% | 177 |
| 20 Oct 2026 | 76.4% | 178.4 |
| 19 Oct 2026 | 77.0% | 179.8 |
| 18 Oct 2026 | 72.2% | 168.7 |
| 17 Oct 2026 | 74.6% | 174.2 |
| 16 Oct 2026 | 84.1% | 196.4 |
| 15 Oct 2026 | 91.4% | 213.3 |