Bacia Hidrográfica · Brazil
Tocantins River Basin
51.7% average fill
Reservoirs
7
Volume stored
44,468 hm³
Usable capacity
86,085 hm³
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All reservoirs
7 reservatóriosSERRA DA MESA
Goiás
Fill level
42.8%
18,520 hm³
/ 43,250 useful cap.
TUCURUI
Pará
Fill level
58.9%
22,945 hm³
/ 38,982.4 useful cap.
ESTREITO
Tocantins
Fill level
85.6%
2,047 hm³
/ 2,390.87 useful cap.
LAJEADO
Tocantins
Fill level
54.2%
261.6 hm³
/ 482.37 useful cap.
PEIXE ANGICAL
Tocantins
Fill level
57.1%
300.6 hm³
/ 526.82 useful cap.
CANA BRAVA
Goiás
Fill level
91.5%
360.5 hm³
/ 393.87 useful cap.
SAO SALVADOR
Tocantins
Fill level
57.3%
33.9 hm³
/ 59.14 useful cap.
About reservoirs in Tocantins River Basin
As of October 26, 2026, the reservoirs we track across Tocantins River Basin that report live levels hold roughly 44,468 hm³ of water — about 51.7% of their combined capacity. Taken together, Tocantins River Basin's reservoirs are within their normal operating range.
None of the tracked reservoirs are currently at critically low levels. CANA BRAVA is the fullest at 91.5%, while SERRA DA MESA is the lowest at 42.8%.
Over the most recent week on record, 3 reservoirs rose and 4 reservoirs fell across Tocantins River Basin.
Storage figures for Tocantins River Basin come from ONS; the most recent reading is from October 26, 2026. Each reservoir below links to its own page with full history and seasonal context.
Tocantins River Basin at a glance
- Reservoirs tracked
- 7
- Average fill
- 51.7%
- Water stored
- 44,468 hm³
- Combined capacity
- 86,085 hm³
- Fullest
- CANA BRAVA (91.5%)
- Lowest
- SERRA DA MESA (42.8%)
- Last updated
- October 26, 2026