CAMARGOS
Minas Gerais · GRANDE
Useful capacity
636.14 hm³
Coordinates
21.326°S, 44.617°W
Operator
ONS
83.3% of useful capacity
Current fill
83.3%of useful capacity
vs 7 days ago
+1.3 ppgaining
vs 1 year ago
+34.3 ppyear-over-year
7-day trend
↑rising
Drought context
Storage vs October average
128%of normal
83.3% full on 2026-10-28, against an average of 65.3% for October across 2 years of readings (+18.0 points).
Rain over the last three months · 11 October 2026
Very wet
In the three months to 11 October 2026 the area around CAMARGOS had much more rain than normal, seen about one year in fifteen. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index +1.96). Rain, not storage. Brazil drought figures →
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 743.74 hm³ |
| Usable capacity | 636.14 hm³ |
| Primary use | Hydroelectric |
| Operator | ONS |
| Province | Minas Gerais |
| River basin | GRANDE |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 21.326°S, 44.617°W · Open in Google Maps
About CAMARGOS
As of October 28, 2026, CAMARGOS is at 83.3% of useful capacity, holding 529.9 hm³ of 636.14 hm³. Of the 743.74 hm³ total capacity, that is 71.2%. At this level the reservoir is high.
Over the most recent week on record the fill level has risen by 1.3 percentage points, and it is 34.3 points above its level on the same date a year earlier.
Across the readings we hold for CAMARGOS — 65 data points between October 28, 2025 and October 28, 2026 — the level has ranged from a low of 45.0% (December 26, 2025) to a high of 99.5% (June 12, 2026). On average the reservoir is fullest around June and at its lowest around December.
It is operated by ONS primarily for hydroelectric power. It lies within the GRANDE basin at 21.326°S, 44.617°W.
Key facts
- Current fill level
- 83.3% of useful capacity
- Water stored
- 529.9 hm³
- Total capacity
- 743.74 hm³
- Usable capacity
- 636.14 hm³
- 7-day change
- ▲ 1.3 pp
- Year-on-year
- ▲ 34.3 pp
- Primary use
- Hydroelectric power
- River basin
- GRANDE
- Operator
- ONS
- Coordinates
- 21.326°S, 44.617°W
- Last updated
- October 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Oct 2026 | 83.3% | 529.9 |
| 27 Oct 2026 | 81.8% | 520.2 |
| 26 Oct 2026 | 81.6% | 518.9 |
| 25 Oct 2026 | 81.6% | 518.9 |
| 24 Oct 2026 | 81.2% | 516.8 |
| 23 Oct 2026 | 81.5% | 518.2 |
| 22 Oct 2026 | 81.7% | 519.6 |
| 21 Oct 2026 | 82.0% | 521.6 |
| 20 Oct 2026 | 82.2% | 523 |
| 19 Oct 2026 | 82.3% | 523.7 |
| 18 Oct 2026 | 82.4% | 524.4 |
| 17 Oct 2026 | 82.2% | 523 |