State · Brazil
São Paulo
21.5% average fill
Reservoirs
19
Volume stored
25,014 hm³
Total capacity
116,135 hm³
Low level
3
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Reservoirs
5 basinsTIETE
6 reservoirs · avg 83.2%TRÊS 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.
GRANDE
4 reservoirs · avg 58.3%A. VERMELHA
São Paulo
Fill level
34.4%
1780 hm³
/ 11,025 cap.
L. C. BARRETO
São Paulo
Fill level
74.8%
133 hm³
/ 1,423 cap.
CACONDE
São Paulo
Fill level
62.1%
313 hm³
/ 555 cap.
IGARAPAVA
São Paulo
Fill level
62.0%
9 hm³
/ 480 cap.
PARANAPANEMA
4 reservoirs · avg 68.8%CAPIVARA
São Paulo
Fill level
89.9%
5146 hm³
/ 10,540 cap.
CHAVANTES
São Paulo
Fill level
59.0%
1796 hm³
/ 8,795 cap.
JURUMIRIM
São Paulo
Fill level
51.1%
1617 hm³
/ 7,008 cap.
TAQUARUÇU
São Paulo
Fill level
75.1%
104 hm³
/ 677 cap.
PARAIBA DO SUL
3 reservoirs · avg 42.6%About reservoirs in São Paulo
As of September 9, 2026, the reservoirs we track across São Paulo that report live levels hold roughly 25,014 hm³ of water — about 21.5% of their combined capacity. Taken together, São Paulo's reservoirs are low.
Across the region, 3 are low. BARIRI is the fullest at 97.9%, while A. VERMELHA is the lowest at 34.4%.
Over the most recent week on record, 6 reservoirs rose and 6 reservoirs fell across São Paulo.
Storage figures for São Paulo 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.
São Paulo at a glance
- Reservoirs tracked
- 19
- Average fill
- 21.5%
- Water stored
- 25,014 hm³
- Combined capacity
- 116,135 hm³
- Fullest
- BARIRI (97.9%)
- Lowest
- A. VERMELHA (34.4%)
- Last updated
- September 9, 2026