MANSO
Mato Grosso · PARAGUAI
Useful capacity
2,951 hm³
Coordinates
14.871°S, 55.784°W
Operator
ONS
70.8% of useful capacity
Current fill
70.8%of useful capacity
vs 7 days ago
-1.2 pplosing
vs 1 year ago
+12.2 ppyear-over-year
7-day trend
↓falling
Drought context
Storage vs October average
108%of normal
70.8% full on 2026-10-26, against an average of 65.3% for October across 2 years of readings (+5.5 points).
Rain over the last three months · 11 October 2026
Near normal
In the three months to 11 October 2026 the area around MANSO 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 −0.37). 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°S, 55.784°W · Open in Google Maps
About MANSO
As of October 26, 2026, MANSO is at 70.8% of useful capacity, holding 2,088 hm³ of 2,951 hm³. Of the 7,337 hm³ total capacity, that is 28.5%. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has fallen by 1.2 percentage points, and it is 12.2 points above its level on the same date a year earlier.
Across the readings we hold for MANSO — 65 data points between October 26, 2025 and October 26, 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
- 70.8% of useful capacity
- Water stored
- 2,088 hm³
- Total capacity
- 7,337 hm³
- Usable capacity
- 2,951 hm³
- 7-day change
- ▼ 1.2 pp
- Year-on-year
- ▲ 12.2 pp
- Primary use
- Hydroelectric power
- River
- MANSO
- River basin
- PARAGUAI
- Operator
- ONS
- Coordinates
- 14.871°S, 55.784°W
- Last updated
- October 26, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 26 Oct 2026 | 70.8% | 2,088 |
| 25 Oct 2026 | 70.9% | 2,093 |
| 24 Oct 2026 | 71.1% | 2,097 |
| 23 Oct 2026 | 71.2% | 2,102 |
| 22 Oct 2026 | 71.4% | 2,108 |
| 21 Oct 2026 | 71.6% | 2,113 |
| 20 Oct 2026 | 71.8% | 2,118 |
| 19 Oct 2026 | 72.0% | 2,123 |
| 18 Oct 2026 | 72.1% | 2,129 |
| 17 Oct 2026 | 72.3% | 2,133 |
| 16 Oct 2026 | 72.4% | 2,136 |
| 15 Oct 2026 | 72.5% | 2,138 |