State · Brazil
São Paulo
70.3% average fill
Reservoirs
19
Volume stored
25,952 hm³
Usable capacity
36,891 hm³
Low level
2
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Reservoirs
5 basinsTIETE
6 reservoirs · avg 81.6%TRÊS IRMÃOS
São Paulo
Fill level
71.0%
2,282 hm³
/ 3,214.2 useful cap.
PROMISSÃO
São Paulo
Fill level
97.2%
2,281 hm³
/ 2,346.32 useful cap.
B. BONITA
São Paulo
Fill level
95.1%
2,355 hm³
/ 2,476.44 useful cap.
N. AVANHANDAVA
São Paulo
Fill level
86.5%
344.6 hm³
/ 398.63 useful cap.
IBITINGA
São Paulo
Fill level
73.4%
35 hm³
/ 47.69 useful cap.
BARIRI
São Paulo
Fill level
66.4%
32.3 hm³
/ 48.67 useful cap.
PARANAPANEMA
4 reservoirs · avg 84%CAPIVARA
São Paulo
Fill level
86.5%
5,435 hm³
/ 6,285.03 useful cap.
CHAVANTES
São Paulo
Fill level
85.2%
2,605 hm³
/ 3,059.16 useful cap.
JURUMIRIM
São Paulo
Fill level
85.2%
2,743 hm³
/ 3,220.02 useful cap.
TAQUARUÇU
São Paulo
Fill level
79.1%
126 hm³
/ 159.3 useful cap.
GRANDE
4 reservoirs · avg 51.1%A. VERMELHA
São Paulo
Fill level
28.7%
1,500 hm³
/ 5,220.24 useful cap.
L. C. BARRETO
São Paulo
Fill level
36.8%
68.1 hm³
/ 185.4 useful cap.
CACONDE
São Paulo
Fill level
69.0%
348.7 hm³
/ 505.3 useful cap.
IGARAPAVA
São Paulo
Fill level
69.7%
10.6 hm³
/ 15.14 useful cap.
PARAIBA DO SUL
3 reservoirs · avg 56.1%PARAIBUNA
São Paulo
Fill level
44.2%
1,163 hm³
/ 2,631.17 useful cap.
JAGUARI
São Paulo
Fill level
74.7%
594.4 hm³
/ 795.98 useful cap.
SANTA BRANCA
São Paulo
Fill level
49.4%
150.6 hm³
/ 304.91 useful cap.
About reservoirs in São Paulo
As of October 27, 2026, the reservoirs we track across São Paulo that report live levels hold roughly 25,952 hm³ of water — about 70.3% of their combined capacity. Taken together, São Paulo's reservoirs are within their normal operating range.
Across the region, 2 are low. PROMISSÃO is the fullest at 97.2%, while A. VERMELHA is the lowest at 28.7%.
Over the most recent week on record, 14 reservoirs rose and 3 reservoirs fell across São Paulo.
Storage figures for São Paulo come from ONS; the most recent reading is from October 27, 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
- 70.3%
- Water stored
- 25,952 hm³
- Combined capacity
- 36,891 hm³
- Fullest
- PROMISSÃO (97.2%)
- Lowest
- A. VERMELHA (28.7%)
- Last updated
- October 27, 2026