Bacia Hidrográfica · Brazil
Madeira River Basin
0.4% average fill
Reservoirs
2
Volume stored
8 hm³
Usable capacity
2,036 hm³
Critical
2
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All reservoirs
2 reservatóriosAbout reservoirs in Madeira River Basin
As of October 27, 2026, the reservoirs we track across Madeira River Basin that report live levels hold roughly 8 hm³ of water — about 0.4% of their combined capacity. Taken together, Madeira River Basin's reservoirs are critically low.
Across the region, 2 reservoirs are at critically low levels. SANTO ANTONIO is the fullest at 2.5%, while JIRAU is the lowest at 0.0%.
Over the most recent week on record, 1 reservoir fell across Madeira River Basin.
Storage figures for Madeira River Basin come from ONS; the most recent reading is from October 27, 2026. Each reservoir below links to its own page with full history and seasonal context.
Madeira River Basin at a glance
- Reservoirs tracked
- 2
- Average fill
- 0.4%
- Water stored
- 8 hm³
- Combined capacity
- 2,036 hm³
- At critically low levels
- 2
- Fullest
- SANTO ANTONIO (2.5%)
- Lowest
- JIRAU (0.0%)
- Last updated
- October 27, 2026