CAMARGOS
Minas Gerais · GRANDE
Capacity
792 hm³
Coordinates
-21.326°N, 44.617°W
Operator
ONS
99.1% full
Current fill
99.1%vs 7 days ago
+0.2%gaining
vs 1 year ago
+6.0%year-over-year
7-day trend
→stable
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 792 hm³ |
| Usable capacity | 672 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. -21.326, -44.617 · Open in Google Maps
About CAMARGOS
As of July 28, 2026, CAMARGOS is filled to 99.1% of its total capacity, holding roughly 666 hm³ of water out of a maximum 792 hm³. At this level the reservoir is high. Of that total, about 672 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (+0.2 pts), and it is 6.0 points above its level on the same date a year earlier.
Across the readings we hold for CAMARGOS — 52 data points between August 15, 2025 and July 28, 2026 — the level has ranged from a low of 48.4% (December 26, 2025) to a high of 99.8% (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
- 99.1%
- Water stored
- 666 hm³
- Total capacity
- 792 hm³
- Usable capacity
- 672 hm³
- 7-day change
- ▲ 0.2 pts
- Year-on-year
- ▲ 6.0 pts
- Primary use
- Hydroelectric power
- River
- GRANDE
- River basin
- GRANDE
- Operator
- ONS
- Coordinates
- 21.326°S, 44.617°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 99.0% | 666 |
| 24 Jul 2026 | 98.8% | 664 |
| 17 Jul 2026 | 98.8% | 664 |
| 10 Jul 2026 | 99.5% | 668 |
| 3 Jul 2026 | 99.4% | 668 |
| 26 Jun 2026 | 99.4% | 668 |
| 19 Jun 2026 | 99.3% | 667 |
| 12 Jun 2026 | 99.8% | 671 |
| 5 Jun 2026 | 99.7% | 670 |
| 29 May 2026 | 99.4% | 668 |
| 22 May 2026 | 99.2% | 666 |
| 15 May 2026 | 99.6% | 669 |
Frequently asked questions
What is the current water level of CAMARGOS?
As of July 28, 2026, CAMARGOS is at 99.1% of its capacity, holding approximately 666 hm³ of water, according to ONS – Operador Nacional do Sistema Elétrico data.
Is CAMARGOS reservoir full?
CAMARGOS is essentially full, sitting at 99.1% of capacity as of July 28, 2026.
Is the water level at CAMARGOS rising or falling?
The level at CAMARGOS has been broadly stable over the latest week on record (+0.2 points).
How much water can CAMARGOS hold?
CAMARGOS has a total capacity of 792 hm³, of which about 672 hm³ is usable storage.
Where is CAMARGOS reservoir located?
CAMARGOS is located in Minas Gerais, Brazil, within the GRANDE basin (coordinates 21.326°S, 44.617°W).
What is CAMARGOS used for?
CAMARGOS is used primarily for hydroelectric power, and is managed by ONS.