JAGUARA
Minas Gerais · GRANDE
Capacity
450 hm³
Coordinates
-20.025°N, 47.436°W
Operator
ONS
74.0% full
Current fill
74.0%vs 7 days ago
+2.3%gaining
vs 1 year ago
-11.3%year-over-year
7-day trend
↑rising
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 450 hm³ |
| Usable capacity | 90 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. -20.025, -47.436 · Open in Google Maps
About JAGUARA
As of July 28, 2026, JAGUARA is filled to 74.0% of its total capacity, holding roughly 67 hm³ of water out of a maximum 450 hm³. At this level the reservoir is within its normal operating range. Of that total, about 90 hm³ is usable (live) storage.
Over the most recent week on record the fill level has risen by 2.3 percentage points, and it is 11.3 points below its level on the same date a year earlier.
Across the readings we hold for JAGUARA — 52 data points between August 15, 2025 and July 28, 2026 — the level has ranged from a low of 54.3% (December 19, 2025) to a high of 85.3% (August 15, 2025). On average the reservoir is fullest around August and at its lowest around October.
It is operated by ONS primarily for hydroelectric power. It lies within the GRANDE basin at 20.025°S, 47.436°W.
Key facts
- Current fill level
- 74.0%
- Water stored
- 67 hm³
- Total capacity
- 450 hm³
- Usable capacity
- 90 hm³
- 7-day change
- ▲ 2.3 pts
- Year-on-year
- ▼ 11.3 pts
- Primary use
- Hydroelectric power
- River
- GRANDE
- River basin
- GRANDE
- Operator
- ONS
- Coordinates
- 20.025°S, 47.436°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 74.0% | 67 |
| 24 Jul 2026 | 71.7% | 65 |
| 17 Jul 2026 | 69.7% | 63 |
| 10 Jul 2026 | 68.3% | 62 |
| 3 Jul 2026 | 76.0% | 68 |
| 26 Jun 2026 | 71.0% | 64 |
| 19 Jun 2026 | 73.3% | 66 |
| 12 Jun 2026 | 76.0% | 68 |
| 5 Jun 2026 | 61.0% | 55 |
| 29 May 2026 | 67.7% | 61 |
| 22 May 2026 | 75.3% | 68 |
| 15 May 2026 | 67.7% | 61 |
Frequently asked questions
What is the current water level of JAGUARA?
As of July 28, 2026, JAGUARA is at 74.0% of its capacity, holding approximately 67 hm³ of water, according to ONS – Operador Nacional do Sistema Elétrico data.
Is JAGUARA reservoir full?
No. As of July 28, 2026, JAGUARA is within its normal operating range at 74.0% of its capacity, so it is not full.
Is the water level at JAGUARA rising or falling?
The level at JAGUARA is rising — it gained 2.3 percentage points over the latest week on record.
How much water can JAGUARA hold?
JAGUARA has a total capacity of 450 hm³, of which about 90 hm³ is usable storage.
Where is JAGUARA reservoir located?
JAGUARA is located in Minas Gerais, Brazil, within the GRANDE basin (coordinates 20.025°S, 47.436°W).
What is JAGUARA used for?
JAGUARA is used primarily for hydroelectric power, and is managed by ONS.