Bacia Hidrográfica · Brazil
TIETE
24% average fill
Reservoirs
6
Volume stored
6,752 hm³
Total capacity
28,164 hm³
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All reservoirs
6 reservatóriosTRÊS IRMÃOS
São Paulo
Fill level
65.1%
2243 hm³
/ 13,372 cap.
PROMISSÃO
São Paulo
Fill level
95.5%
2032 hm³
/ 7,408 cap.
B. BONITA
São Paulo
Fill level
79.5%
2040 hm³
/ 3,135 cap.
N. AVANHANDAVA
São Paulo
Fill level
89.5%
338 hm³
/ 2,720 cap.
IBITINGA
São Paulo
Fill level
71.6%
40 hm³
/ 985 cap.
BARIRI
São Paulo
Fill level
97.9%
59 hm³
/ 544 cap.
About reservoirs in TIETE
As of September 9, 2026, the reservoirs we track across TIETE that report live levels hold roughly 6,752 hm³ of water — about 24.0% of their combined capacity. Taken together, TIETE's reservoirs are low.
None of the tracked reservoirs are currently at critically low levels. BARIRI is the fullest at 97.9%, while TRÊS IRMÃOS is the lowest at 65.1%.
Over the most recent week on record, 2 reservoirs rose and 3 reservoirs fell across TIETE.
Storage figures for TIETE 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.
TIETE at a glance
- Reservoirs tracked
- 6
- Average fill
- 24.0%
- Water stored
- 6,752 hm³
- Combined capacity
- 28,164 hm³
- Fullest
- BARIRI (97.9%)
- Lowest
- TRÊS IRMÃOS (65.1%)
- Last updated
- September 9, 2026