MACHADINHO
Santa Catarina · URUGUAI
Capacity
3,340 hm³
Coordinates
-27.524°N, 51.789°W
Operator
ONS
77.1% full
Current fill
77.1%vs 7 days ago
0.0%stable
vs 1 year ago
N/A7-day trend
→stable
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 3,340 hm³ |
| Usable capacity | 1,055.81 hm³ |
| Primary use | Hydroelectric |
| Operator | ONS |
| River | URUGUAI |
| Province | Santa Catarina |
| River basin | URUGUAI |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -27.524, -51.789 · Open in Google Maps
About MACHADINHO
As of September 9, 2026, MACHADINHO is filled to 77.1% of its total capacity, holding roughly 814 hm³ of water out of a maximum 3,340 hm³. At this level the reservoir is within its normal operating range. Of that total, about 1,056 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts).
Across the readings we hold for MACHADINHO — 52 data points between September 26, 2025 and September 9, 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 October 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
- 77.1%
- Water stored
- 814 hm³
- Total capacity
- 3,340 hm³
- Usable capacity
- 1,056 hm³
- 7-day change
- No change
- Primary use
- Hydroelectric power
- River
- URUGUAI
- River basin
- URUGUAI
- Operator
- ONS
- Coordinates
- 27.524°S, 51.789°W
- Last updated
- September 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Sep 2026 | 77.0% | 814 |
| 4 Sep 2026 | 77.0% | 814 |
| 28 Aug 2026 | 74.3% | 785 |
| 21 Aug 2026 | 87.5% | 924 |
| 14 Aug 2026 | 86.6% | 914 |
| 7 Aug 2026 | 92.7% | 979 |
| 31 Jul 2026 | 84.9% | 897 |
| 24 Jul 2026 | 91.1% | 962 |
| 17 Jul 2026 | 91.9% | 970 |
| 10 Jul 2026 | 83.3% | 880 |
| 3 Jul 2026 | 47.0% | 496 |
| 26 Jun 2026 | 21.5% | 227 |