GARIBALDI
Santa Catarina · URUGUAI
Useful capacity
64.23 hm³
Coordinates
27.625°S, 50.984°W
Operator
ONS
102.1% of useful capacity
Current fill
102.1%of useful capacity
vs 7 days ago
N/Avs 1 year ago
+38.1 ppyear-over-year
7-day trend
N/ADrought context
Storage vs October average
119%of normal
102.1% full on 2026-10-23, against an average of 86.0% for October across 2 years of readings (+16.1 points).
Rain over the last three months · 11 October 2026
Very wet
In the three months to 11 October 2026 the area around GARIBALDI had much more rain than normal, seen about one year in fifteen. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index +1.76). Rain, not storage. Brazil drought figures →
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°S, 50.984°W · Open in Google Maps
About GARIBALDI
As of October 23, 2026, GARIBALDI is at 102.1% of useful capacity, holding 65.6 hm³ of 64.23 hm³. Of the 296 hm³ total capacity, that is 22.2%. At this level the reservoir is effectively full.
No reading from about a week earlier is on file, so the 7-day change is not available, and it is 38.1 points above its level on the same date a year earlier.
Across the readings we hold for GARIBALDI — 54 data points between June 13, 2025 and October 23, 2026 — the level has ranged from a low of 12.8% (March 6, 2026) to a high of 103.0% (October 22, 2026). On average the reservoir is fullest around October 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
- 102.1% of useful capacity
- Water stored
- 65.6 hm³
- Total capacity
- 296 hm³
- Usable capacity
- 64.23 hm³
- 7-day change
- N/A
- Year-on-year
- ▲ 38.1 pp
- Primary use
- Hydroelectric power
- River
- CANOAS
- River basin
- URUGUAI
- Operator
- ONS
- Coordinates
- 27.625°S, 50.984°W
- Last updated
- October 23, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 23 Oct 2026 | 102.1% | 65.6 |
| 22 Oct 2026 | 103.0% | 66.2 |
| 30 Aug 2026 | 99.6% | 64 |
| 28 Aug 2026 | 94.5% | 60.7 |
| 1 Jul 2026 | 64.4% | 41.4 |
| 26 Jun 2026 | 18.5% | 11.9 |
| 19 Jun 2026 | 21.9% | 14.1 |
| 12 Jun 2026 | 21.9% | 14.1 |
| 5 Jun 2026 | 30.1% | 19.3 |
| 29 May 2026 | 49.8% | 32 |
| 22 May 2026 | 29.7% | 19.1 |
| 15 May 2026 | 32.0% | 20.6 |