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URUGUAI
CriticalHydroelectric

MACHADINHO

Santa Catarina · URUGUAI

Capacity

3,340 hm³

Coordinates

-27.524°N, 51.789°W

Operator

ONS

Current fill

14.7%
Critical

vs 7 days ago

+2.1%

gaining

vs 1 year ago

-56.6%

year-over-year

7-day trend

rising

Catchment Weather

Past 30 days + 14-day forecast · Open-Meteo

Technical specifications

Total capacity3,340 hm³
Usable capacity1,055.81 hm³
Primary useHydroelectric
OperatorONS
RiverURUGUAI
ProvinceSanta Catarina
River basinURUGUAI
Data source:ONS – Operador Nacional do Sistema Elétrico·Last reading: 2026-06-10

Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -27.524, -51.789 · Open in Google Maps

About MACHADINHO

As of June 10, 2026, MACHADINHO is filled to 14.7% of its total capacity, holding roughly 155 hm³ of water out of a maximum 3,340 hm³. At this level the reservoir is critically low. Of that total, about 1,056 hm³ is usable (live) storage.

Over the most recent week on record the fill level has risen by 2.1 percentage points, and it is 56.6 points below its level on the same date a year earlier.

Across the readings we hold for MACHADINHO — 52 data points between June 27, 2025 and June 10, 2026 — the level has ranged from a low of 6.9% (May 22, 2026) to a high of 99.5% (September 26, 2025). On average the reservoir is fullest around September and at its lowest around May.

It is operated by ONS primarily for hydroelectric power. It lies within the URUGUAI basin at 27.524°S, 51.789°W.

Key facts

Current fill level
14.7%
Water stored
155 hm³
Total capacity
3,340 hm³
Usable capacity
1,056 hm³
7-day change
▲ 2.1 pts
Year-on-year
▼ 56.6 pts
Primary use
Hydroelectric power
River
URUGUAI
River basin
URUGUAI
Operator
ONS
Coordinates
27.524°S, 51.789°W
Last updated
June 10, 2026

Recent readings

DateFill levelVolume (hm³)
10 Jun 202614.7%155
5 Jun 202612.6%133
29 May 20269.3%98
22 May 20266.9%73
15 May 20267.0%74
8 May 20269.7%103
1 May 20267.9%83
24 Apr 20269.7%102
17 Apr 202613.6%143
10 Apr 202617.0%179
3 Apr 202620.0%211
27 Mar 202625.0%264

Frequently asked questions

What is the current water level of MACHADINHO?

As of June 10, 2026, MACHADINHO is at 14.7% of its capacity, holding approximately 155 hm³ of water, according to ONS – Operador Nacional do Sistema Elétrico data.

Is MACHADINHO reservoir full?

No. As of June 10, 2026, MACHADINHO is critically low at 14.7% of its capacity, so it is not full.

Is the water level at MACHADINHO rising or falling?

The level at MACHADINHO is rising — it gained 2.1 percentage points over the latest week on record.

How much water can MACHADINHO hold?

MACHADINHO has a total capacity of 3,340 hm³, of which about 1,056 hm³ is usable storage.

Where is MACHADINHO reservoir located?

MACHADINHO is located in Santa Catarina, Brazil, within the URUGUAI basin (coordinates 27.524°S, 51.789°W).

What is MACHADINHO used for?

MACHADINHO is used primarily for hydroelectric power, and is managed by ONS.

Nearby reservoirs

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