MANSO
Mato Grosso · PARAGUAI
Capacity
7,337 hm³
Coordinates
-14.871°N, 55.784°W
Operator
ONS
73.0% full
Current fill
73.0%vs 7 days ago
-0.6%losing
vs 1 year ago
N/A7-day trend
→stable
Drought context
Storage vs October average
139%of normal
73.0% full on 2026-10-12, against an average of 52.5% for October across 2 years of readings (+20.5 points).
Rain over the last three months · 21 September 2026
Moderately dry
In the three months to 21 September 2026 the area around MANSO had well below normal rain, a shortfall seen about one year in six. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index −1.27). Rain, not storage. Brazil drought figures →
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 7,337 hm³ |
| Usable capacity | 2,951 hm³ |
| Primary use | Hydroelectric |
| Operator | ONS |
| River | MANSO |
| Province | Mato Grosso |
| River basin | PARAGUAI |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -14.871, -55.784 · Open in Google Maps
About MANSO
As of October 12, 2026, MANSO is filled to 73.0% of its total capacity, holding roughly 2,155 hm³ of water out of a maximum 7,337 hm³. At this level the reservoir is within its normal operating range. Of that total, about 2,951 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (-0.6 pts).
Across the readings we hold for MANSO — 52 data points between October 31, 2025 and October 12, 2026 — the level has ranged from a low of 53.4% (November 28, 2025) to a high of 96.2% (March 13, 2026). On average the reservoir is fullest around March and at its lowest around November.
It is operated by ONS primarily for hydroelectric power. It lies within the PARAGUAI basin at 14.871°S, 55.784°W.
Key facts
- Current fill level
- 73.0%
- Water stored
- 2,155 hm³
- Total capacity
- 7,337 hm³
- Usable capacity
- 2,951 hm³
- 7-day change
- ▼ 0.6 pts
- Primary use
- Hydroelectric power
- River
- MANSO
- River basin
- PARAGUAI
- Operator
- ONS
- Coordinates
- 14.871°S, 55.784°W
- Last updated
- October 12, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 12 Oct 2026 | 73.0% | 2,155 |
| 9 Oct 2026 | 73.4% | 2,167 |
| 2 Oct 2026 | 73.6% | 2,172 |
| 25 Sep 2026 | 74.6% | 2,201 |
| 18 Sep 2026 | 75.9% | 2,239 |
| 11 Sep 2026 | 77.2% | 2,279 |
| 4 Sep 2026 | 78.4% | 2,314 |
| 28 Aug 2026 | 79.4% | 2,344 |
| 21 Aug 2026 | 80.6% | 2,379 |
| 14 Aug 2026 | 81.8% | 2,415 |
| 7 Aug 2026 | 83.0% | 2,450 |
| 31 Jul 2026 | 84.1% | 2,483 |