FOZ CHAPECO
Rio Grande do Sul · URUGUAI
Capacity
1,513 hm³
Coordinates
-27.140°N, 53.047°W
Operator
ONS
24.7% full
Current fill
24.7%vs 7 days ago
+4.0%gaining
vs 1 year ago
-28.9%year-over-year
7-day trend
↑rising
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 1,513 hm³ |
| Usable capacity | 78.81 hm³ |
| Primary use | Hydroelectric |
| Operator | ONS |
| River | URUGUAI |
| Province | Rio Grande do Sul |
| River basin | URUGUAI |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -27.140, -53.047 · Open in Google Maps
About FOZ CHAPECO
As of July 28, 2026, FOZ CHAPECO is filled to 24.7% of its total capacity, holding roughly 20 hm³ of water out of a maximum 1,513 hm³. At this level the reservoir is low. Of that total, about 79 hm³ is usable (live) storage.
Over the most recent week on record the fill level has risen by 4.0 percentage points, and it is 28.9 points below its level on the same date a year earlier.
Across the readings we hold for FOZ CHAPECO — 52 data points between August 15, 2025 and July 28, 2026 — the level has ranged from a low of 20.8% (July 24, 2026) to a high of 80.8% (September 26, 2025). On average the reservoir is fullest around September and at its lowest around July.
It is operated by ONS primarily for hydroelectric power. It lies within the URUGUAI basin at 27.140°S, 53.047°W.
Key facts
- Current fill level
- 24.7%
- Water stored
- 20 hm³
- Total capacity
- 1,513 hm³
- Usable capacity
- 79 hm³
- 7-day change
- ▲ 4.0 pts
- Year-on-year
- ▼ 28.9 pts
- Primary use
- Hydroelectric power
- River
- URUGUAI
- River basin
- URUGUAI
- Operator
- ONS
- Coordinates
- 27.140°S, 53.047°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 24.7% | 20 |
| 24 Jul 2026 | 20.8% | 16 |
| 17 Jul 2026 | 29.7% | 23 |
| 10 Jul 2026 | 33.7% | 27 |
| 3 Jul 2026 | 41.6% | 33 |
| 26 Jun 2026 | 41.6% | 33 |
| 19 Jun 2026 | 39.7% | 31 |
| 12 Jun 2026 | 40.6% | 32 |
| 5 Jun 2026 | 42.6% | 34 |
| 29 May 2026 | 54.6% | 43 |
| 22 May 2026 | 61.7% | 49 |
| 15 May 2026 | 47.6% | 38 |
Frequently asked questions
What is the current water level of FOZ CHAPECO?
As of July 28, 2026, FOZ CHAPECO is at 24.7% of its capacity, holding approximately 20 hm³ of water, according to ONS – Operador Nacional do Sistema Elétrico data.
Is FOZ CHAPECO reservoir full?
No. As of July 28, 2026, FOZ CHAPECO is low at 24.7% of its capacity, so it is not full.
Is the water level at FOZ CHAPECO rising or falling?
The level at FOZ CHAPECO is rising — it gained 4.0 percentage points over the latest week on record.
How much water can FOZ CHAPECO hold?
FOZ CHAPECO has a total capacity of 1,513 hm³, of which about 79 hm³ is usable storage.
Where is FOZ CHAPECO reservoir located?
FOZ CHAPECO is located in Rio Grande do Sul, Brazil, within the URUGUAI basin (coordinates 27.140°S, 53.047°W).
What is FOZ CHAPECO used for?
FOZ CHAPECO is used primarily for hydroelectric power, and is managed by ONS.