reservoirs.earth logo
Reservoirs.EARTH
URUGUAI
FullHydroelectric

GARIBALDI

Santa Catarina · URUGUAI

Capacity

296 hm³

Coordinates

-27.625°N, 50.984°W

Operator

ONS

105.0% full

Current fill

105.0%
Full

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 capacity296 hm³
Usable capacity64.23 hm³
Primary useHydroelectric
OperatorONS
RiverCANOAS
ProvinceSanta Catarina
River basinURUGUAI
Data source:ONS – Operador Nacional do Sistema Elétrico·Last reading: 2026-07-28

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

DateFill levelVolume (hm³)
28 Jul 2026105.0%67
24 Jul 2026105.0%67
17 Jul 2026105.0%67
10 Jul 2026105.0%67
3 Jul 2026105.0%67
26 Jun 202618.5%12
19 Jun 202621.9%14
12 Jun 202621.9%14
5 Jun 202630.1%19
29 May 202649.8%32
22 May 202629.7%19
15 May 202632.0%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.

Nearby reservoirs

ShareXLinkedInWhatsApp