← TOCANTINS
NormalHydroelectric

LAJEADO

Tocantins · TOCANTINS

Useful capacity

482.37 hm³

Coordinates

9.756°S, 48.374°W

Operator

ONS

54.2% of useful capacity

Current fill

54.2%

of useful capacity

Normal

vs 7 days ago

+3.8 pp

gaining

vs 1 year ago

+17.5 pp

year-over-year

7-day trend

↑

rising

Drought context

Storage vs October average

142%of normal

54.2% full on 2026-10-26, against an average of 38.1% for October across 2 years of readings (+16.1 points).

Rain over the last three months · 11 October 2026

Near normal

In the three months to 11 October 2026 the area around LAJEADO 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 −0.09). Rain, not storage. Brazil drought figures →

Catchment Weather

Past 30 days + 14-day forecast · Open-Meteo

Technical specifications

Total capacity4,940 hm³
Usable capacity482.37 hm³
Primary useHydroelectric
OperatorONS
ProvinceTocantins
River basinTOCANTINS
Data source:ONS – Operador Nacional do Sistema Elétrico·Last reading: 2026-10-26

Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 9.756°S, 48.374°W · Open in Google Maps

About LAJEADO

As of October 26, 2026, LAJEADO is at 54.2% of useful capacity, holding 261.6 hm³ of 482.37 hm³. Of the 4,940 hm³ total capacity, that is 5.3%. At this level the reservoir is within its normal operating range.

Over the most recent week on record the fill level has risen by 3.8 percentage points, and it is 17.5 points above its level on the same date a year earlier.

Across the readings we hold for LAJEADO — 65 data points between October 26, 2025 and October 26, 2026 — the level has ranged from a low of 2.4% (October 15, 2026) to a high of 102.6% (March 13, 2026). On average the reservoir is fullest around March and at its lowest around August.

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
54.2% of useful capacity
Water stored
261.6 hm³
Total capacity
4,940 hm³
Usable capacity
482.37 hm³
7-day change
▲ 3.8 pp
Year-on-year
▲ 17.5 pp
Primary use
Hydroelectric power
River basin
TOCANTINS
Operator
ONS
Coordinates
9.756°S, 48.374°W
Last updated
October 26, 2026

Recent readings

DateFill levelVolume (hm³)
26 Oct 202654.2%261.6
25 Oct 202649.2%237.5
24 Oct 202655.5%267.7
23 Oct 202663.0%304.1
22 Oct 202668.1%328.4
21 Oct 202666.8%322.4
20 Oct 202661.8%298
19 Oct 202650.5%243.5
18 Oct 202634.3%165.5
17 Oct 202620.7%100
16 Oct 20266.1%29.3
15 Oct 20262.4%11.7

Nearby reservoirs