MACHADINHO
Santa Catarina · URUGUAI
Useful capacity
1,055.81 hm³
Coordinates
27.524°S, 51.789°W
Operator
ONS
68.7% of useful capacity
Current fill
68.7%of useful capacity
vs 7 days ago
-1.9 pplosing
vs 1 year ago
-13.8 ppyear-over-year
7-day trend
↓falling
Drought context
Storage vs October average
90%of normal
68.7% full on 2026-10-26, against an average of 76.5% for October across 2 years of readings (-7.8 points).
Rain over the last three months · 11 October 2026
Very wet
In the three months to 11 October 2026 the area around MACHADINHO 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 +1.68). Rain, not storage. Brazil drought figures →
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 3,340 hm³ |
| Usable capacity | 1,056 hm³ |
| Primary use | Hydroelectric |
| Operator | ONS |
| Province | Santa Catarina |
| River basin | URUGUAI |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 27.524°S, 51.789°W · Open in Google Maps
About MACHADINHO
As of October 26, 2026, MACHADINHO is at 68.7% of useful capacity, holding 725.1 hm³ of 1,056 hm³. Of the 3,340 hm³ total capacity, that is 21.7%. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has fallen by 1.9 percentage points, and it is 13.8 points below its level on the same date a year earlier.
Across the readings we hold for MACHADINHO — 65 data points between October 26, 2025 and October 26, 2026 — the level has ranged from a low of 6.9% (May 22, 2026) to a high of 96.0% (November 14, 2025). On average the reservoir is fullest around November 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
- 68.7% of useful capacity
- Water stored
- 725.1 hm³
- Total capacity
- 3,340 hm³
- Usable capacity
- 1,056 hm³
- 7-day change
- ▼ 1.9 pp
- Year-on-year
- ▼ 13.8 pp
- Primary use
- Hydroelectric power
- River basin
- URUGUAI
- Operator
- ONS
- Coordinates
- 27.524°S, 51.789°W
- Last updated
- October 26, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 26 Oct 2026 | 68.7% | 725.1 |
| 25 Oct 2026 | 67.1% | 708.2 |
| 24 Oct 2026 | 67.4% | 711.2 |
| 23 Oct 2026 | 67.4% | 711.9 |
| 22 Oct 2026 | 68.0% | 717.8 |
| 21 Oct 2026 | 67.3% | 710.5 |
| 20 Oct 2026 | 69.6% | 734.6 |
| 19 Oct 2026 | 70.6% | 745.6 |
| 18 Oct 2026 | 70.2% | 741.2 |
| 17 Oct 2026 | 68.8% | 725.9 |
| 16 Oct 2026 | 69.6% | 734.6 |
| 15 Oct 2026 | 72.4% | 764.4 |