JAGUARI
São Paulo · PARAIBA DO SUL
Capacity
1,236 hm³
Coordinates
-23.192°N, 46.021°W
Operator
ONS
61.6% full
Current fill
61.6%vs 7 days ago
-0.3%losing
vs 1 year ago
-2.4%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 July 28, 2026, JAGUARI is filled to 61.6% of its total capacity, holding roughly 488 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 (-0.3 pts), and it is 2.4 points below its level on the same date a year earlier.
Across the readings we hold for JAGUARI — 52 data points between August 15, 2025 and July 28, 2026 — the level has ranged from a low of 34.7% (January 23, 2026) to a high of 64.3% (May 22, 2026). On average the reservoir is fullest around May 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
- 61.6%
- Water stored
- 488 hm³
- Total capacity
- 1,236 hm³
- Usable capacity
- 792 hm³
- 7-day change
- ▼ 0.3 pts
- Year-on-year
- ▼ 2.4 pts
- Primary use
- Hydroelectric power
- River
- JAGUARI
- River basin
- PARAIBA DO SUL
- Operator
- ONS
- Coordinates
- 23.192°S, 46.021°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 61.6% | 488 |
| 24 Jul 2026 | 61.9% | 491 |
| 17 Jul 2026 | 62.6% | 496 |
| 10 Jul 2026 | 63.1% | 500 |
| 3 Jul 2026 | 63.9% | 506 |
| 26 Jun 2026 | 64.0% | 507 |
| 19 Jun 2026 | 63.6% | 504 |
| 12 Jun 2026 | 63.3% | 502 |
| 5 Jun 2026 | 63.8% | 505 |
| 29 May 2026 | 64.2% | 509 |
| 22 May 2026 | 64.3% | 510 |
| 15 May 2026 | 63.7% | 505 |
Frequently asked questions
What is the current water level of JAGUARI?
As of July 28, 2026, JAGUARI is at 61.6% of its capacity, holding approximately 488 hm³ of water, according to ONS – Operador Nacional do Sistema Elétrico data.
Is JAGUARI reservoir full?
No. As of July 28, 2026, JAGUARI is within its normal operating range at 61.6% 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 (-0.3 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.