GARIBALDI
Santa Catarina · URUGUAI
Capacity
296 hm³
Coordinates
-27.625°N, 50.984°W
Operator
ONS
105.0% full
Current fill
105.0%vs 7 days ago
0.0%stable
vs 1 year ago
+52.4%year-over-year
7-day trend
→stable
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 296 hm³ |
| Usable capacity | 64.23 hm³ |
| Primary use | Hydroelectric |
| Operator | ONS |
| River | CANOAS |
| Province | Santa Catarina |
| River basin | URUGUAI |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -27.625, -50.984 · Open in Google Maps
About GARIBALDI
As of July 28, 2026, GARIBALDI is filled to 105.0% of its total capacity, holding roughly 67 hm³ of water out of a maximum 296 hm³. At this level the reservoir is effectively full. Of that total, about 64 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts), and it is 52.4 points above its level on the same date a year earlier.
Across the readings we hold for GARIBALDI — 52 data points between August 15, 2025 and July 28, 2026 — the level has ranged from a low of 12.8% (March 6, 2026) to a high of 105.0% (August 29, 2025). On average the reservoir is fullest around July and at its lowest around June.
It is operated by ONS primarily for hydroelectric power. It lies within the URUGUAI basin at 27.625°S, 50.984°W.
Key facts
- Current fill level
- 105.0%
- Water stored
- 67 hm³
- Total capacity
- 296 hm³
- Usable capacity
- 64 hm³
- 7-day change
- No change
- Year-on-year
- ▲ 52.4 pts
- Primary use
- Hydroelectric power
- River
- CANOAS
- River basin
- URUGUAI
- Operator
- ONS
- Coordinates
- 27.625°S, 50.984°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 105.0% | 67 |
| 24 Jul 2026 | 105.0% | 67 |
| 17 Jul 2026 | 105.0% | 67 |
| 10 Jul 2026 | 105.0% | 67 |
| 3 Jul 2026 | 105.0% | 67 |
| 26 Jun 2026 | 18.5% | 12 |
| 19 Jun 2026 | 21.9% | 14 |
| 12 Jun 2026 | 21.9% | 14 |
| 5 Jun 2026 | 30.1% | 19 |
| 29 May 2026 | 49.8% | 32 |
| 22 May 2026 | 29.7% | 19 |
| 15 May 2026 | 32.0% | 21 |
Frequently asked questions
What is the current water level of GARIBALDI?
As of July 28, 2026, GARIBALDI is at 105.0% of its capacity, holding approximately 67 hm³ of water, according to ONS – Operador Nacional do Sistema Elétrico data.
Is GARIBALDI reservoir full?
GARIBALDI is essentially full, sitting at 105.0% of capacity as of July 28, 2026.
Is the water level at GARIBALDI rising or falling?
The level at GARIBALDI has been broadly stable over the latest week on record (0.0 points).
How much water can GARIBALDI hold?
GARIBALDI has a total capacity of 296 hm³, of which about 64 hm³ is usable storage.
Where is GARIBALDI reservoir located?
GARIBALDI is located in Santa Catarina, Brazil, within the URUGUAI basin (coordinates 27.625°S, 50.984°W).
What is GARIBALDI used for?
GARIBALDI is used primarily for hydroelectric power, and is managed by ONS.

