IGARAPAVA
São Paulo · GRANDE
Capacity
480 hm³
Coordinates
-19.990°N, 47.754°W
Operator
ONS
105.0% full
Current fill
105.0%vs 7 days ago
+5.0%gaining
vs 1 year ago
+50.5%year-over-year
7-day trend
↑rising
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 480 hm³ |
| Usable capacity | 14.61 hm³ |
| Primary use | Hydroelectric |
| Operator | ONS |
| River | GRANDE |
| Province | São Paulo |
| River basin | GRANDE |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -19.990, -47.754 · Open in Google Maps
About IGARAPAVA
As of July 28, 2026, IGARAPAVA is filled to 105.0% of its total capacity, holding roughly 15 hm³ of water out of a maximum 480 hm³. At this level the reservoir is effectively full. Of that total, about 15 hm³ is usable (live) storage.
Over the most recent week on record the fill level has risen by 5.0 percentage points, and it is 50.5 points above its level on the same date a year earlier.
Across the readings we hold for IGARAPAVA — 52 data points between August 15, 2025 and July 28, 2026 — the level has ranged from a low of 2.5% (October 17, 2025) to a high of 105.0% (July 28, 2026). On average the reservoir is fullest around April and at its lowest around November.
It is operated by ONS primarily for hydroelectric power. It lies within the GRANDE basin at 19.990°S, 47.754°W.
Key facts
- Current fill level
- 105.0%
- Water stored
- 15 hm³
- Total capacity
- 480 hm³
- Usable capacity
- 15 hm³
- 7-day change
- ▲ 5.0 pts
- Year-on-year
- ▲ 50.5 pts
- Primary use
- Hydroelectric power
- River
- GRANDE
- River basin
- GRANDE
- Operator
- ONS
- Coordinates
- 19.990°S, 47.754°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 105.0% | 15 |
| 24 Jul 2026 | 100.0% | 15 |
| 17 Jul 2026 | 49.5% | 7 |
| 10 Jul 2026 | 74.6% | 11 |
| 3 Jul 2026 | 59.5% | 9 |
| 26 Jun 2026 | 62.0% | 9 |
| 19 Jun 2026 | 62.0% | 9 |
| 12 Jun 2026 | 54.5% | 8 |
| 5 Jun 2026 | 44.5% | 7 |
| 29 May 2026 | 69.6% | 10 |
| 22 May 2026 | 19.7% | 3 |
| 15 May 2026 | 69.6% | 10 |
Frequently asked questions
What is the current water level of IGARAPAVA?
As of July 28, 2026, IGARAPAVA is at 105.0% of its capacity, holding approximately 15 hm³ of water, according to ONS – Operador Nacional do Sistema Elétrico data.
Is IGARAPAVA reservoir full?
IGARAPAVA is essentially full, sitting at 105.0% of capacity as of July 28, 2026.
Is the water level at IGARAPAVA rising or falling?
The level at IGARAPAVA is rising — it gained 5.0 percentage points over the latest week on record.
How much water can IGARAPAVA hold?
IGARAPAVA has a total capacity of 480 hm³, of which about 15 hm³ is usable storage.
Where is IGARAPAVA reservoir located?
IGARAPAVA is located in São Paulo, Brazil, within the GRANDE basin (coordinates 19.990°S, 47.754°W).
What is IGARAPAVA used for?
IGARAPAVA is used primarily for hydroelectric power, and is managed by ONS.

