MANSO
Mato Grosso · PARAGUAI
Capacity
7,337 hm³
Coordinates
-14.871°N, 55.784°W
Operator
ONS
84.7% full
Current fill
84.7%vs 7 days ago
-0.4%losing
vs 1 year ago
+9.9%year-over-year
7-day trend
→stable
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 July 28, 2026, MANSO is filled to 84.7% of its total capacity, holding roughly 2,501 hm³ of water out of a maximum 7,337 hm³. At this level the reservoir is high. 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 (-0.4 pts), and it is 9.9 points above its level on the same date a year earlier.
Across the readings we hold for MANSO — 52 data points between August 15, 2025 and July 28, 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
- 84.7%
- Water stored
- 2,501 hm³
- Total capacity
- 7,337 hm³
- Usable capacity
- 2,951 hm³
- 7-day change
- ▼ 0.4 pts
- Year-on-year
- ▲ 9.9 pts
- Primary use
- Hydroelectric power
- River
- MANSO
- River basin
- PARAGUAI
- Operator
- ONS
- Coordinates
- 14.871°S, 55.784°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 84.7% | 2,501 |
| 24 Jul 2026 | 85.1% | 2,512 |
| 17 Jul 2026 | 86.0% | 2,539 |
| 10 Jul 2026 | 87.0% | 2,567 |
| 3 Jul 2026 | 87.9% | 2,593 |
| 26 Jun 2026 | 88.8% | 2,620 |
| 19 Jun 2026 | 89.7% | 2,646 |
| 12 Jun 2026 | 91.0% | 2,686 |
| 5 Jun 2026 | 92.4% | 2,727 |
| 29 May 2026 | 93.5% | 2,761 |
| 22 May 2026 | 94.5% | 2,789 |
| 15 May 2026 | 95.1% | 2,806 |
Frequently asked questions
What is the current water level of MANSO?
As of July 28, 2026, MANSO is at 84.7% of its capacity, holding approximately 2,501 hm³ of water, according to ONS – Operador Nacional do Sistema Elétrico data.
Is MANSO reservoir full?
No. As of July 28, 2026, MANSO is high at 84.7% of its capacity, so it is not full.
Is the water level at MANSO rising or falling?
The level at MANSO has been broadly stable over the latest week on record (-0.4 points).
How much water can MANSO hold?
MANSO has a total capacity of 7,337 hm³, of which about 2,951 hm³ is usable storage.
Where is MANSO reservoir located?
MANSO is located in Mato Grosso, Brazil, within the PARAGUAI basin (coordinates 14.871°S, 55.784°W).
What is MANSO used for?
MANSO is used primarily for hydroelectric power, and is managed by ONS.

