CACONDE
São Paulo · GRANDE
Capacity
555 hm³
Coordinates
-21.578°N, 46.623°W
Operator
ONS
76.4% full
Current fill
76.4%vs 7 days ago
-0.5%losing
vs 1 year ago
+10.5%year-over-year
7-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 July 28, 2026, CACONDE is filled to 76.4% of its total capacity, holding roughly 385 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 (-0.5 pts), and it is 10.5 points above its level on the same date a year earlier.
Across the readings we hold for CACONDE — 52 data points between August 15, 2025 and July 28, 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
- 76.4%
- Water stored
- 385 hm³
- Total capacity
- 555 hm³
- Usable capacity
- 504 hm³
- 7-day change
- ▼ 0.5 pts
- Year-on-year
- ▲ 10.5 pts
- Primary use
- Hydroelectric power
- River
- PARDO
- River basin
- GRANDE
- Operator
- ONS
- Coordinates
- 21.578°S, 46.623°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 76.4% | 385 |
| 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 |
| 19 Jun 2026 | 85.8% | 432 |
| 12 Jun 2026 | 87.2% | 439 |
| 5 Jun 2026 | 88.9% | 448 |
| 29 May 2026 | 90.6% | 457 |
| 22 May 2026 | 91.8% | 463 |
| 15 May 2026 | 92.8% | 468 |
Frequently asked questions
What is the current water level of CACONDE?
As of July 28, 2026, CACONDE is at 76.4% of its capacity, holding approximately 385 hm³ of water, according to ONS – Operador Nacional do Sistema Elétrico data.
Is CACONDE reservoir full?
No. As of July 28, 2026, CACONDE is within its normal operating range at 76.4% of its capacity, so it is not full.
Is the water level at CACONDE rising or falling?
The level at CACONDE has been broadly stable over the latest week on record (-0.5 points).
How much water can CACONDE hold?
CACONDE has a total capacity of 555 hm³, of which about 504 hm³ is usable storage.
Where is CACONDE reservoir located?
CACONDE is located in São Paulo, Brazil, within the GRANDE basin (coordinates 21.578°S, 46.623°W).
What is CACONDE used for?
CACONDE is used primarily for hydroelectric power, and is managed by ONS.

