LAJEADO
Tocantins · TOCANTINS
Capacity
4,940 hm³
Coordinates
-9.756°N, 48.374°W
Operator
ONS
Current fill
63.0%vs 7 days ago
+6.3%gaining
vs 1 year ago
+50.9%year-over-year
7-day trend
↑rising
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 4,940 hm³ |
| Usable capacity | 482.37 hm³ |
| Primary use | Hydroelectric |
| Operator | ONS |
| River | TOCANTINS |
| Province | Tocantins |
| River basin | TOCANTINS |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -9.756, -48.374 · Open in Google Maps
About LAJEADO
As of June 10, 2026, LAJEADO is filled to 63.0% of its total capacity, holding roughly 304 hm³ of water out of a maximum 4,940 hm³. At this level the reservoir is within its normal operating range. Of that total, about 482 hm³ is usable (live) storage.
Over the most recent week on record the fill level has risen by 6.3 percentage points, and it is 50.9 points above its level on the same date a year earlier.
Across the readings we hold for LAJEADO — 52 data points between June 27, 2025 and June 10, 2026 — the level has ranged from a low of 8.5% (July 4, 2025) to a high of 102.6% (March 13, 2026). On average the reservoir is fullest around March and at its lowest around September.
It is operated by ONS primarily for hydroelectric power. It lies within the TOCANTINS basin at 9.756°S, 48.374°W.
Key facts
- Current fill level
- 63.0%
- Water stored
- 304 hm³
- Total capacity
- 4,940 hm³
- Usable capacity
- 482 hm³
- 7-day change
- ▲ 6.3 pts
- Year-on-year
- ▲ 50.9 pts
- Primary use
- Hydroelectric power
- River
- TOCANTINS
- River basin
- TOCANTINS
- Operator
- ONS
- Coordinates
- 9.756°S, 48.374°W
- Last updated
- June 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Jun 2026 | 63.0% | 304 |
| 5 Jun 2026 | 56.8% | 274 |
| 29 May 2026 | 38.0% | 183 |
| 22 May 2026 | 35.5% | 172 |
| 15 May 2026 | 41.8% | 201 |
| 8 May 2026 | 70.6% | 341 |
| 1 May 2026 | 79.5% | 384 |
| 24 Apr 2026 | 89.7% | 433 |
| 17 Apr 2026 | 93.6% | 451 |
| 10 Apr 2026 | 92.3% | 445 |
| 3 Apr 2026 | 88.4% | 427 |
| 27 Mar 2026 | 92.3% | 445 |
Frequently asked questions
What is the current water level of LAJEADO?
As of June 10, 2026, LAJEADO is at 63.0% of its capacity, holding approximately 304 hm³ of water, according to ONS – Operador Nacional do Sistema Elétrico data.
Is LAJEADO reservoir full?
No. As of June 10, 2026, LAJEADO is within its normal operating range at 63.0% of its capacity, so it is not full.
Is the water level at LAJEADO rising or falling?
The level at LAJEADO is rising — it gained 6.3 percentage points over the latest week on record.
How much water can LAJEADO hold?
LAJEADO has a total capacity of 4,940 hm³, of which about 482 hm³ is usable storage.
Where is LAJEADO reservoir located?
LAJEADO is located in Tocantins, Brazil, within the TOCANTINS basin (coordinates 9.756°S, 48.374°W).
What is LAJEADO used for?
LAJEADO is used primarily for hydroelectric power, and is managed by ONS.