FOZ CHAPECO
Rio Grande do Sul · URUGUAI
Capacity
1,513 hm³
Coordinates
-27.140°N, 53.047°W
Operator
ONS
Current fill
43.7%vs 7 days ago
+1.0%gaining
vs 1 year ago
+24.9%year-over-year
7-day trend
→stable
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 June 10, 2026, FOZ CHAPECO is filled to 43.7% of its total capacity, holding roughly 34 hm³ of water out of a maximum 1,513 hm³. At this level the reservoir is within its normal operating range. Of that total, about 79 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (+1.0 pts), and it is 24.9 points above its level on the same date a year earlier.
Across the readings we hold for FOZ CHAPECO — 52 data points between June 27, 2025 and June 10, 2026 — the level has ranged from a low of 18.8% (June 27, 2025) to a high of 84.8% (August 8, 2025). On average the reservoir is fullest around August and at its lowest around November.
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
- 43.7%
- Water stored
- 34 hm³
- Total capacity
- 1,513 hm³
- Usable capacity
- 79 hm³
- 7-day change
- ▲ 1.0 pts
- Year-on-year
- ▲ 24.9 pts
- Primary use
- Hydroelectric power
- River
- URUGUAI
- River basin
- URUGUAI
- Operator
- ONS
- Coordinates
- 27.140°S, 53.047°W
- Last updated
- June 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Jun 2026 | 43.6% | 34 |
| 5 Jun 2026 | 42.6% | 34 |
| 29 May 2026 | 54.6% | 43 |
| 22 May 2026 | 61.7% | 49 |
| 15 May 2026 | 47.6% | 38 |
| 8 May 2026 | 49.6% | 39 |
| 1 May 2026 | 51.6% | 41 |
| 24 Apr 2026 | 32.7% | 26 |
| 17 Apr 2026 | 47.6% | 38 |
| 10 Apr 2026 | 43.6% | 34 |
| 3 Apr 2026 | 35.7% | 28 |
| 27 Mar 2026 | 33.7% | 27 |
Frequently asked questions
What is the current water level of FOZ CHAPECO?
As of June 10, 2026, FOZ CHAPECO is at 43.7% of its capacity, holding approximately 34 hm³ of water, according to ONS – Operador Nacional do Sistema Elétrico data.
Is FOZ CHAPECO reservoir full?
No. As of June 10, 2026, FOZ CHAPECO is within its normal operating range at 43.7% of its capacity, so it is not full.
Is the water level at FOZ CHAPECO rising or falling?
The level at FOZ CHAPECO has been broadly stable over the latest week on record (+1.0 points).
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.

