RETIRO BAIXO
Minas Gerais · SAO FRANCISCO
Capacity
241.59 hm³
Coordinates
-18.894°N, 44.782°W
Operator
ONS
50.9% full
Current fill
50.9%vs 7 days ago
+9.0%gaining
vs 1 year ago
N/A7-day trend
↑rising
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 241.59 hm³ |
| Usable capacity | 41.61 hm³ |
| Primary use | Hydroelectric |
| Operator | ONS |
| River | PARAOPEBA |
| Province | Minas Gerais |
| River basin | SAO FRANCISCO |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -18.894, -44.782 · Open in Google Maps
About RETIRO BAIXO
As of September 9, 2026, RETIRO BAIXO is filled to 50.9% of its total capacity, holding roughly 21 hm³ of water out of a maximum 242 hm³. At this level the reservoir is within its normal operating range. Of that total, about 42 hm³ is usable (live) storage.
Over the most recent week on record the fill level has risen by 9.0 percentage points.
Across the readings we hold for RETIRO BAIXO — 52 data points between September 26, 2025 and September 9, 2026 — the level has ranged from a low of 16.6% (August 21, 2026) to a high of 96.3% (June 19, 2026). On average the reservoir is fullest around June and at its lowest around October.
It is operated by ONS primarily for hydroelectric power. It lies within the SAO FRANCISCO basin at 18.894°S, 44.782°W.
Key facts
- Current fill level
- 50.9%
- Water stored
- 21 hm³
- Total capacity
- 242 hm³
- Usable capacity
- 42 hm³
- 7-day change
- ▲ 9.0 pts
- Primary use
- Hydroelectric power
- River
- PARAOPEBA
- River basin
- SAO FRANCISCO
- Operator
- ONS
- Coordinates
- 18.894°S, 44.782°W
- Last updated
- September 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Sep 2026 | 50.9% | 21 |
| 4 Sep 2026 | 41.9% | 17 |
| 28 Aug 2026 | 27.2% | 11 |
| 21 Aug 2026 | 16.6% | 7 |
| 14 Aug 2026 | 19.5% | 8 |
| 7 Aug 2026 | 34.0% | 14 |
| 31 Jul 2026 | 30.1% | 13 |
| 24 Jul 2026 | 35.5% | 15 |
| 17 Jul 2026 | 52.4% | 22 |
| 10 Jul 2026 | 64.6% | 27 |
| 3 Jul 2026 | 74.8% | 31 |
| 26 Jun 2026 | 91.0% | 38 |