JAGUARI
São Paulo · PARAIBA DO SUL
Capacity
1,236 hm³
Coordinates
-23.192°N, 46.021°W
Operator
ONS
56.9% full
Current fill
56.9%vs 7 days ago
+0.9%gaining
vs 1 year ago
N/A7-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 September 9, 2026, JAGUARI is filled to 56.9% of its total capacity, holding roughly 451 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 (+0.9 pts).
Across the readings we hold for JAGUARI — 52 data points between September 26, 2025 and September 9, 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
- 56.9%
- Water stored
- 451 hm³
- Total capacity
- 1,236 hm³
- Usable capacity
- 792 hm³
- 7-day change
- ▲ 0.9 pts
- Primary use
- Hydroelectric power
- River
- JAGUARI
- River basin
- PARAIBA DO SUL
- Operator
- ONS
- Coordinates
- 23.192°S, 46.021°W
- Last updated
- September 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Sep 2026 | 56.9% | 451 |
| 4 Sep 2026 | 56.0% | 443 |
| 28 Aug 2026 | 54.9% | 435 |
| 21 Aug 2026 | 56.2% | 446 |
| 14 Aug 2026 | 58.0% | 460 |
| 7 Aug 2026 | 59.8% | 474 |
| 31 Jul 2026 | 61.1% | 485 |
| 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 |