JAGUARI
São Paulo · PARAIBA DO SUL
Capacity
1,236 hm³
Coordinates
-23.192°N, 46.021°W
Operator
ONS
Current fill
63.3%vs 7 days ago
-0.5%losing
vs 1 year ago
-17.4%year-over-year
7-day trend
→stable
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 1,236 hm³ |
| Usable capacity | 792.48 hm³ |
| Primary use | Hydroelectric |
| Operator | ONS |
| River | JAGUARI |
| Province | São Paulo |
| River basin | PARAIBA DO SUL |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -23.192, -46.021 · Open in Google Maps
About JAGUARI
As of June 10, 2026, JAGUARI is filled to 63.3% of its total capacity, holding roughly 501 hm³ of water out of a maximum 1,236 hm³. At this level the reservoir is within its normal operating range. Of that total, about 792 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (-0.5 pts), and it is 17.4 points below its level on the same date a year earlier.
Across the readings we hold for JAGUARI — 52 data points between June 27, 2025 and June 10, 2026 — the level has ranged from a low of 34.7% (January 23, 2026) to a high of 80.6% (June 27, 2025). On average the reservoir is fullest around July and at its lowest around January.
It is operated by ONS primarily for hydroelectric power. It lies within the PARAIBA DO SUL basin at 23.192°S, 46.021°W.
Key facts
- Current fill level
- 63.3%
- Water stored
- 501 hm³
- Total capacity
- 1,236 hm³
- Usable capacity
- 792 hm³
- 7-day change
- ▼ 0.5 pts
- Year-on-year
- ▼ 17.4 pts
- Primary use
- Hydroelectric power
- River
- JAGUARI
- River basin
- PARAIBA DO SUL
- Operator
- ONS
- Coordinates
- 23.192°S, 46.021°W
- Last updated
- June 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Jun 2026 | 63.3% | 501 |
| 5 Jun 2026 | 63.8% | 505 |
| 29 May 2026 | 64.2% | 509 |
| 22 May 2026 | 64.3% | 510 |
| 15 May 2026 | 63.7% | 505 |
| 8 May 2026 | 63.3% | 502 |
| 1 May 2026 | 63.0% | 499 |
| 24 Apr 2026 | 62.5% | 495 |
| 17 Apr 2026 | 62.0% | 491 |
| 10 Apr 2026 | 61.6% | 488 |
| 3 Apr 2026 | 60.4% | 479 |
| 27 Mar 2026 | 58.8% | 466 |
Frequently asked questions
What is the current water level of JAGUARI?
As of June 10, 2026, JAGUARI is at 63.3% of its capacity, holding approximately 501 hm³ of water, according to ONS – Operador Nacional do Sistema Elétrico data.
Is JAGUARI reservoir full?
No. As of June 10, 2026, JAGUARI is within its normal operating range at 63.3% of its capacity, so it is not full.
Is the water level at JAGUARI rising or falling?
The level at JAGUARI has been broadly stable over the latest week on record (-0.5 points).
How much water can JAGUARI hold?
JAGUARI has a total capacity of 1,236 hm³, of which about 792 hm³ is usable storage.
Where is JAGUARI reservoir located?
JAGUARI is located in São Paulo, Brazil, within the PARAIBA DO SUL basin (coordinates 23.192°S, 46.021°W).
What is JAGUARI used for?
JAGUARI is used primarily for hydroelectric power, and is managed by ONS.

