SALTO CAXIAS
Paraná · IGUACU
Capacity
3,573 hm³
Coordinates
-25.541°N, 53.494°W
Operator
ONS
62.2% full
Current fill
62.2%vs 7 days ago
-11.6%losing
vs 1 year ago
-18.6%year-over-year
7-day trend
↓falling
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 3,573 hm³ |
| Usable capacity | 272.76 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. -25.541, -53.494 · Open in Google Maps
About SALTO CAXIAS
As of July 28, 2026, SALTO CAXIAS is filled to 62.2% of its total capacity, holding roughly 170 hm³ of water out of a maximum 3,573 hm³. At this level the reservoir is within its normal operating range. Of that total, about 273 hm³ is usable (live) storage.
Over the most recent week on record the fill level has fallen by 11.6 percentage points, and it is 18.6 points below its level on the same date a year earlier.
Across the readings we hold for SALTO CAXIAS — 52 data points between August 15, 2025 and July 28, 2026 — the level has ranged from a low of 28.1% (February 13, 2026) to a high of 90.9% (September 26, 2025). On average the reservoir is fullest around November and at its lowest around February.
It is operated by ONS primarily for hydroelectric power. It lies within the IGUACU basin at 25.541°S, 53.494°W.
Key facts
- Current fill level
- 62.2%
- Water stored
- 170 hm³
- Total capacity
- 3,573 hm³
- Usable capacity
- 273 hm³
- 7-day change
- ▼ 11.6 pts
- Year-on-year
- ▼ 18.6 pts
- Primary use
- Hydroelectric power
- River
- IGUAÇU
- River basin
- IGUACU
- Operator
- ONS
- Coordinates
- 25.541°S, 53.494°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 62.2% | 170 |
| 24 Jul 2026 | 73.8% | 201 |
| 17 Jul 2026 | 62.7% | 171 |
| 10 Jul 2026 | 77.3% | 211 |
| 3 Jul 2026 | 90.4% | 247 |
| 26 Jun 2026 | 31.1% | 85 |
| 19 Jun 2026 | 51.7% | 141 |
| 12 Jun 2026 | 30.6% | 83 |
| 5 Jun 2026 | 54.7% | 149 |
| 29 May 2026 | 68.8% | 188 |
| 22 May 2026 | 51.7% | 141 |
| 15 May 2026 | 57.2% | 156 |
Frequently asked questions
What is the current water level of SALTO CAXIAS?
As of July 28, 2026, SALTO CAXIAS is at 62.2% of its capacity, holding approximately 170 hm³ of water, according to ONS – Operador Nacional do Sistema Elétrico data.
Is SALTO CAXIAS reservoir full?
No. As of July 28, 2026, SALTO CAXIAS is within its normal operating range at 62.2% of its capacity, so it is not full.
Is the water level at SALTO CAXIAS rising or falling?
The level at SALTO CAXIAS is falling — it dropped 11.6 percentage points over the latest week on record.
How much water can SALTO CAXIAS hold?
SALTO CAXIAS has a total capacity of 3,573 hm³, of which about 273 hm³ is usable storage.
Where is SALTO CAXIAS reservoir located?
SALTO CAXIAS is located in Paraná, Brazil, within the IGUACU basin (coordinates 25.541°S, 53.494°W).
What is SALTO CAXIAS used for?
SALTO CAXIAS is used primarily for hydroelectric power, and is managed by ONS.