Amazonas River Basin

As of October 26, 2026, the reservoirs we track across Amazonas River Basin that report live levels hold roughly 8,219 hm³ of water — about 43.5% of their combined capacity. Taken together, Amazonas River Basin's reservoirs are within their normal operating range.

Across the region, 2 reservoirs are at critically low levels and 3 are low. SAO MANOEL is the fullest at 100.0%, while JIRAU is the lowest at 0.9%.

Over the most recent week on record, 9 reservoirs fell across Amazonas River Basin.

Storage figures for Amazonas 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.