Bacia Hidrográfica · Brazil
TIETE
25.2% average fill
Reservoirs
6
Volume stored
7,086 hm³
Total capacity
28,164 hm³
Loading map…
All reservoirs
6 reservatóriosTRÊS IRMÃOS
São Paulo
Fill level
68.8%
2372 hm³
/ 13,372 cap.
PROMISSÃO
São Paulo
Fill level
98.0%
2085 hm³
/ 7,408 cap.
B. BONITA
São Paulo
Fill level
86.0%
2207 hm³
/ 3,135 cap.
N. AVANHANDAVA
São Paulo
Fill level
86.8%
328 hm³
/ 2,720 cap.
IBITINGA
São Paulo
Fill level
89.8%
50 hm³
/ 985 cap.
BARIRI
São Paulo
Fill level
73.2%
44 hm³
/ 544 cap.
About reservoirs in TIETE
As of July 28, 2026, the reservoirs we track across TIETE that report live levels hold roughly 7,086 hm³ of water — about 25.2% of their combined capacity. Taken together, TIETE's reservoirs are low.
None of the tracked reservoirs are currently at critically low levels. PROMISSÃO is the fullest at 98.0%, while TRÊS IRMÃOS is the lowest at 68.8%.
Over the most recent week on record, 2 reservoirs rose and 2 reservoirs fell across TIETE.
Storage figures for TIETE come from ONS; the most recent reading is from July 28, 2026. Each reservoir below links to its own page with full history and seasonal context.
TIETE at a glance
- Reservoirs tracked
- 6
- Average fill
- 25.2%
- Water stored
- 7,086 hm³
- Combined capacity
- 28,164 hm³
- Fullest
- PROMISSÃO (98.0%)
- Lowest
- TRÊS IRMÃOS (68.8%)
- Last updated
- July 28, 2026
Frequently asked questions
How full are reservoirs in TIETE right now?
As of July 28, 2026, the reservoirs tracked in TIETE that report live levels are 25.2% full overall, holding about 7,086 hm³ of water.
How many reservoirs are there in TIETE?
reservoirs.earth tracks 6 reservoirs in TIETE, with a combined storage capacity of 28,164 hm³.
Which reservoir in TIETE is the fullest?
PROMISSÃO is currently the fullest reservoir in TIETE, at 98.0% of capacity.
Which reservoir in TIETE is the lowest?
TRÊS IRMÃOS is currently the lowest in TIETE, at 68.8% of capacity.
Where does the reservoir data for TIETE come from?
All storage figures for TIETE come from ONS, an official source, last updated July 28, 2026.