SAO MANOEL
Mato Grosso · AMAZONAS
Capacity
577.22 hm³
Coordinates
-9.189°N, 57.053°W
Operator
ONS
101.4% full
Current fill
101.4%vs 7 days ago
+3.5%gaining
vs 1 year ago
+3.5%year-over-year
7-day trend
↑rising
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 577.22 hm³ |
| Usable capacity | 86.95 hm³ |
| Primary use | Hydroelectric |
| Operator | ONS |
| River | TELES PIRES |
| Province | Mato Grosso |
| River basin | AMAZONAS |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -9.189, -57.053 · Open in Google Maps
About SAO MANOEL
As of July 28, 2026, SAO MANOEL is filled to 101.4% of its total capacity, holding roughly 88 hm³ of water out of a maximum 577 hm³. At this level the reservoir is effectively full. Of that total, about 87 hm³ is usable (live) storage.
Over the most recent week on record the fill level has risen by 3.5 percentage points, and it is 3.5 points above its level on the same date a year earlier.
Across the readings we hold for SAO MANOEL — 52 data points between August 15, 2025 and July 28, 2026 — the level has ranged from a low of 96.5% (October 3, 2025) to a high of 102.1% (March 6, 2026). On average the reservoir is fullest around July and at its lowest around April.
It is operated by ONS primarily for hydroelectric power. It lies within the AMAZONAS basin at 9.189°S, 57.053°W.
Key facts
- Current fill level
- 101.4%
- Water stored
- 88 hm³
- Total capacity
- 577 hm³
- Usable capacity
- 87 hm³
- 7-day change
- ▲ 3.5 pts
- Year-on-year
- ▲ 3.5 pts
- Primary use
- Hydroelectric power
- River
- TELES PIRES
- River basin
- AMAZONAS
- Operator
- ONS
- Coordinates
- 9.189°S, 57.053°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 101.4% | 88 |
| 24 Jul 2026 | 97.9% | 85 |
| 17 Jul 2026 | 101.4% | 88 |
| 10 Jul 2026 | 100.7% | 88 |
| 3 Jul 2026 | 98.6% | 86 |
| 26 Jun 2026 | 99.3% | 86 |
| 19 Jun 2026 | 96.5% | 84 |
| 12 Jun 2026 | 99.3% | 86 |
| 5 Jun 2026 | 100.0% | 87 |
| 29 May 2026 | 99.3% | 86 |
| 22 May 2026 | 98.6% | 86 |
| 15 May 2026 | 99.3% | 86 |
Frequently asked questions
What is the current water level of SAO MANOEL?
As of July 28, 2026, SAO MANOEL is at 101.4% of its capacity, holding approximately 88 hm³ of water, according to ONS – Operador Nacional do Sistema Elétrico data.
Is SAO MANOEL reservoir full?
SAO MANOEL is essentially full, sitting at 101.4% of capacity as of July 28, 2026.
Is the water level at SAO MANOEL rising or falling?
The level at SAO MANOEL is rising — it gained 3.5 percentage points over the latest week on record.
How much water can SAO MANOEL hold?
SAO MANOEL has a total capacity of 577 hm³, of which about 87 hm³ is usable storage.
Where is SAO MANOEL reservoir located?
SAO MANOEL is located in Mato Grosso, Brazil, within the AMAZONAS basin (coordinates 9.189°S, 57.053°W).
What is SAO MANOEL used for?
SAO MANOEL is used primarily for hydroelectric power, and is managed by ONS.

