CACONDE
São Paulo · GRANDE
Capacity
555 hm³
Coordinates
-21.578°N, 46.623°W
Operator
ONS
62.1% full
Current fill
62.1%vs 7 days ago
-0.9%losing
vs 1 year ago
N/A7-day trend
→stable
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 555 hm³ |
| Usable capacity | 504.09 hm³ |
| Primary use | Hydroelectric |
| Operator | ONS |
| River | PARDO |
| Province | São Paulo |
| River basin | GRANDE |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -21.578, -46.623 · Open in Google Maps
About CACONDE
As of September 9, 2026, CACONDE is filled to 62.1% of its total capacity, holding roughly 313 hm³ of water out of a maximum 555 hm³. At this level the reservoir is within its normal operating range. Of that total, about 504 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 CACONDE — 52 data points between September 26, 2025 and September 9, 2026 — the level has ranged from a low of 35.6% (December 12, 2025) to a high of 98.1% (April 10, 2026). On average the reservoir is fullest around April and at its lowest around December.
It is operated by ONS primarily for hydroelectric power. It lies within the GRANDE basin at 21.578°S, 46.623°W.
Key facts
- Current fill level
- 62.1%
- Water stored
- 313 hm³
- Total capacity
- 555 hm³
- Usable capacity
- 504 hm³
- 7-day change
- ▼ 0.9 pts
- Primary use
- Hydroelectric power
- River
- PARDO
- River basin
- GRANDE
- Operator
- ONS
- Coordinates
- 21.578°S, 46.623°W
- Last updated
- September 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Sep 2026 | 62.1% | 313 |
| 4 Sep 2026 | 63.0% | 317 |
| 28 Aug 2026 | 64.9% | 327 |
| 21 Aug 2026 | 67.8% | 342 |
| 14 Aug 2026 | 70.5% | 356 |
| 7 Aug 2026 | 73.2% | 369 |
| 31 Jul 2026 | 75.5% | 381 |
| 24 Jul 2026 | 76.9% | 388 |
| 17 Jul 2026 | 79.0% | 398 |
| 10 Jul 2026 | 81.4% | 410 |
| 3 Jul 2026 | 83.2% | 420 |
| 26 Jun 2026 | 84.6% | 427 |