GARIBALDI
Santa Catarina · URUGUAI
Capacity
296 hm³
Coordinates
-27.625°N, 50.984°W
Operator
ONS
Current fill
36.3%vs 7 days ago
+6.6%gaining
vs 1 year ago
-68.7%year-over-year
7-day trend
↑rising
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 June 10, 2026, GARIBALDI is filled to 36.3% of its total capacity, holding roughly 23 hm³ of water out of a maximum 296 hm³. At this level the reservoir is low. Of that total, about 64 hm³ is usable (live) storage.
Over the most recent week on record the fill level has risen by 6.6 percentage points, and it is 68.7 points below its level on the same date a year earlier.
Across the readings we hold for GARIBALDI — 52 data points between June 27, 2025 and June 10, 2026 — the level has ranged from a low of 12.8% (March 6, 2026) to a high of 105.0% (June 27, 2025). On average the reservoir is fullest around September and at its lowest around March.
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
- 36.3%
- Water stored
- 23 hm³
- Total capacity
- 296 hm³
- Usable capacity
- 64 hm³
- 7-day change
- ▲ 6.6 pts
- Year-on-year
- ▼ 68.7 pts
- Primary use
- Hydroelectric power
- River
- CANOAS
- River basin
- URUGUAI
- Operator
- ONS
- Coordinates
- 27.625°S, 50.984°W
- Last updated
- June 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Jun 2026 | 36.3% | 23 |
| 5 Jun 2026 | 29.7% | 19 |
| 29 May 2026 | 49.8% | 32 |
| 22 May 2026 | 29.7% | 19 |
| 15 May 2026 | 32.0% | 21 |
| 8 May 2026 | 23.5% | 15 |
| 1 May 2026 | 25.0% | 16 |
| 24 Apr 2026 | 27.0% | 17 |
| 17 Apr 2026 | 15.1% | 10 |
| 10 Apr 2026 | 29.7% | 19 |
| 3 Apr 2026 | 35.9% | 23 |
| 27 Mar 2026 | 36.7% | 24 |
Frequently asked questions
What is the current water level of GARIBALDI?
As of June 10, 2026, GARIBALDI is at 36.3% of its capacity, holding approximately 23 hm³ of water, according to ONS – Operador Nacional do Sistema Elétrico data.
Is GARIBALDI reservoir full?
No. As of June 10, 2026, GARIBALDI is low at 36.3% of its capacity, so it is not full.
Is the water level at GARIBALDI rising or falling?
The level at GARIBALDI is rising — it gained 6.6 percentage points over the latest week on record.
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.