MANSO
Mato Grosso · PARAGUAI
Capacity
7,337 hm³
Coordinates
-14.871°N, 55.784°W
Operator
ONS
Current fill
91.1%vs 7 days ago
-1.2%losing
vs 1 year ago
+5.2%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 June 10, 2026, MANSO is filled to 91.1% of its total capacity, holding roughly 2,689 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 (-1.2 pts), and it is 5.2 points above its level on the same date a year earlier.
Across the readings we hold for MANSO — 52 data points between June 27, 2025 and June 10, 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
- 91.1%
- Water stored
- 2,689 hm³
- Total capacity
- 7,337 hm³
- Usable capacity
- 2,951 hm³
- 7-day change
- ▼ 1.2 pts
- Year-on-year
- ▲ 5.2 pts
- Primary use
- Hydroelectric power
- River
- MANSO
- River basin
- PARAGUAI
- Operator
- ONS
- Coordinates
- 14.871°S, 55.784°W
- Last updated
- June 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Jun 2026 | 91.1% | 2,689 |
| 5 Jun 2026 | 92.3% | 2,725 |
| 29 May 2026 | 93.7% | 2,764 |
| 22 May 2026 | 94.5% | 2,789 |
| 15 May 2026 | 95.1% | 2,806 |
| 8 May 2026 | 95.6% | 2,820 |
| 1 May 2026 | 95.9% | 2,829 |
| 24 Apr 2026 | 95.4% | 2,814 |
| 17 Apr 2026 | 95.4% | 2,814 |
| 10 Apr 2026 | 95.9% | 2,829 |
| 3 Apr 2026 | 95.5% | 2,818 |
| 27 Mar 2026 | 95.9% | 2,829 |
Frequently asked questions
What is the current water level of MANSO?
As of June 10, 2026, MANSO is at 91.1% of its capacity, holding approximately 2,689 hm³ of water, according to ONS – Operador Nacional do Sistema Elétrico data.
Is MANSO reservoir full?
No. As of June 10, 2026, MANSO is high at 91.1% 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 (-1.2 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.

