IRAPE
Minas Gerais · JEQUITINHONHA
Useful capacity
3,676.74 hm³
Coordinates
16.736°S, 42.576°W
Operator
ONS
59.1% of useful capacity
Current fill
59.1%of useful capacity
vs 7 days ago
-1.5 pplosing
vs 1 year ago
+4.0 ppyear-over-year
7-day trend
↓falling
Drought context
Storage vs October average
102%of normal
59.1% full on 2026-10-27, against an average of 58.1% for October across 2 years of readings (+1.0 points).
Rain over the last three months · 11 October 2026
Near normal
In the three months to 11 October 2026 the area around IRAPE had rain close to normal for the season. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index −0.41). Rain, not storage. Brazil drought figures →
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 5,860 hm³ |
| Usable capacity | 3,677 hm³ |
| Primary use | Hydroelectric |
| Operator | ONS |
| Province | Minas Gerais |
| River basin | JEQUITINHONHA |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 16.736°S, 42.576°W · Open in Google Maps
About IRAPE
As of October 27, 2026, IRAPE is at 59.1% of useful capacity, holding 2,173 hm³ of 3,677 hm³. Of the 5,860 hm³ total capacity, that is 37.1%. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has fallen by 1.5 percentage points, and it is 4.0 points above its level on the same date a year earlier.
Across the readings we hold for IRAPE — 65 data points between October 27, 2025 and October 27, 2026 — the level has ranged from a low of 52.5% (December 5, 2025) to a high of 94.1% (April 3, 2026). On average the reservoir is fullest around April and at its lowest around November.
It is operated by ONS primarily for hydroelectric power. It lies within the JEQUITINHONHA basin at 16.736°S, 42.576°W.
Key facts
- Current fill level
- 59.1% of useful capacity
- Water stored
- 2,173 hm³
- Total capacity
- 5,860 hm³
- Usable capacity
- 3,677 hm³
- 7-day change
- ▼ 1.5 pp
- Year-on-year
- ▲ 4.0 pp
- Primary use
- Hydroelectric power
- River basin
- JEQUITINHONHA
- Operator
- ONS
- Coordinates
- 16.736°S, 42.576°W
- Last updated
- October 27, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 27 Oct 2026 | 59.1% | 2,173 |
| 26 Oct 2026 | 59.3% | 2,179 |
| 25 Oct 2026 | 59.5% | 2,188 |
| 24 Oct 2026 | 59.7% | 2,195 |
| 23 Oct 2026 | 59.9% | 2,201 |
| 22 Oct 2026 | 60.1% | 2,209 |
| 21 Oct 2026 | 60.3% | 2,218 |
| 20 Oct 2026 | 60.6% | 2,228 |
| 19 Oct 2026 | 60.9% | 2,237 |
| 18 Oct 2026 | 61.1% | 2,246 |
| 17 Oct 2026 | 61.3% | 2,255 |
| 16 Oct 2026 | 61.6% | 2,265 |