Bacia Hidrográfica · Brazil
AMAZONAS
29.5% average fill
Reservoirs
12
Volume stored
11,895 hm³
Total capacity
40,296 hm³
Critical
1
Low level
1
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All reservoirs
12 reservatóriosBALBINA
Amazonas
Fill level
72.3%
7385 hm³
/ 20,006.22 cap.
SAMUEL
Rondônia
Fill level
35.3%
900 hm³
/ 3,493.44 cap.
SINOP
Mato Grosso
Fill level
65.1%
1319 hm³
/ 3,071.18 cap.
JIRAU
Rondônia
Fill level
0.9%
14 hm³
/ 2,746.73 cap.
SANTO ANTONIO
Rondônia
Fill level
96.8%
474 hm³
/ 2,282.8 cap.
BELO MONTE
Pará
Fill level
97.0%
593 hm³
/ 2,276.29 cap.
PIMENTAL
Pará
Fill level
90.1%
455 hm³
/ 2,276.29 cap.
COLIDER
Mato Grosso
Fill level
53.3%
52 hm³
/ 1,524.5 cap.
TELES PIRES
Mato Grosso
Fill level
91.6%
65 hm³
/ 961.11 cap.
CURUA-UNA
Pará
Fill level
87.4%
410 hm³
/ 602 cap.
SAO MANOEL
Mato Grosso
Fill level
100.0%
87 hm³
/ 577.22 cap.
RONDON II
Rondônia
Fill level
49.6%
142 hm³
/ 478.29 cap.
About reservoirs in AMAZONAS
As of September 9, 2026, the reservoirs we track across AMAZONAS that report live levels hold roughly 11,895 hm³ of water — about 29.5% of their combined capacity. Taken together, AMAZONAS's reservoirs are low.
Across the region, 1 reservoir is at critically low levels and 1 is low. SAO MANOEL is the fullest at 100.0%, while JIRAU is the lowest at 0.9%.
Over the most recent week on record, 2 reservoirs rose and 7 reservoirs fell across AMAZONAS.
Storage figures for AMAZONAS come from ONS; the most recent reading is from September 9, 2026. Each reservoir below links to its own page with full history and seasonal context.
AMAZONAS at a glance
- Reservoirs tracked
- 12
- Average fill
- 29.5%
- Water stored
- 11,895 hm³
- Combined capacity
- 40,296 hm³
- At critically low levels
- 1
- Fullest
- SAO MANOEL (100.0%)
- Lowest
- JIRAU (0.9%)
- Last updated
- September 9, 2026