BAIXO IGUACU
Paraná · IGUACU
Capacity
211.92 hm³
Coordinates
-25.503°N, 53.678°W
Operator
ONS
Current fill
40.0%vs 7 days ago
-27.1%losing
vs 1 year ago
-25.1%year-over-year
7-day trend
↓falling
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 211.92 hm³ |
| Usable capacity | 33.22 hm³ |
| Primary use | Hydroelectric |
| Operator | ONS |
| River | IGUAÇU |
| Province | Paraná |
| River basin | IGUACU |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -25.503, -53.678 · Open in Google Maps
About BAIXO IGUACU
As of June 10, 2026, BAIXO IGUACU is filled to 40.0% of its total capacity, holding roughly 13 hm³ of water out of a maximum 212 hm³. At this level the reservoir is low. Of that total, about 33 hm³ is usable (live) storage.
Over the most recent week on record the fill level has fallen by 27.1 percentage points, and it is 25.1 points below its level on the same date a year earlier.
Across the readings we hold for BAIXO IGUACU — 52 data points between June 27, 2025 and June 10, 2026 — the level has ranged from a low of 13.5% (November 14, 2025) to a high of 85.5% (August 22, 2025). On average the reservoir is fullest around May and at its lowest around November.
It is operated by ONS primarily for hydroelectric power. It lies within the IGUACU basin at 25.503°S, 53.678°W.
Key facts
- Current fill level
- 40.0%
- Water stored
- 13 hm³
- Total capacity
- 212 hm³
- Usable capacity
- 33 hm³
- 7-day change
- ▼ 27.1 pts
- Year-on-year
- ▼ 25.1 pts
- Primary use
- Hydroelectric power
- River
- IGUAÇU
- River basin
- IGUACU
- Operator
- ONS
- Coordinates
- 25.503°S, 53.678°W
- Last updated
- June 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Jun 2026 | 40.0% | 13 |
| 5 Jun 2026 | 67.1% | 22 |
| 29 May 2026 | 74.2% | 25 |
| 22 May 2026 | 61.0% | 20 |
| 15 May 2026 | 64.0% | 21 |
| 8 May 2026 | 60.0% | 20 |
| 1 May 2026 | 76.2% | 25 |
| 24 Apr 2026 | 70.1% | 23 |
| 17 Apr 2026 | 78.3% | 26 |
| 10 Apr 2026 | 50.9% | 17 |
| 3 Apr 2026 | 19.3% | 6 |
| 27 Mar 2026 | 64.0% | 21 |
Frequently asked questions
What is the current water level of BAIXO IGUACU?
As of June 10, 2026, BAIXO IGUACU is at 40.0% of its capacity, holding approximately 13 hm³ of water, according to ONS – Operador Nacional do Sistema Elétrico data.
Is BAIXO IGUACU reservoir full?
No. As of June 10, 2026, BAIXO IGUACU is low at 40.0% of its capacity, so it is not full.
Is the water level at BAIXO IGUACU rising or falling?
The level at BAIXO IGUACU is falling — it dropped 27.1 percentage points over the latest week on record.
How much water can BAIXO IGUACU hold?
BAIXO IGUACU has a total capacity of 212 hm³, of which about 33 hm³ is usable storage.
Where is BAIXO IGUACU reservoir located?
BAIXO IGUACU is located in Paraná, Brazil, within the IGUACU basin (coordinates 25.503°S, 53.678°W).
What is BAIXO IGUACU used for?
BAIXO IGUACU is used primarily for hydroelectric power, and is managed by ONS.