State · Brazil
São Paulo
24.2% average fill
Reservoirs
19
Volume stored
28,105 hm³
Total capacity
116,135 hm³
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Reservoirs
5 basinsTIETE
6 reservoirs · avg 83.8%TRÊS 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.
GRANDE
4 reservoirs · avg 75.6%A. VERMELHA
São Paulo
Fill level
52.1%
2693 hm³
/ 11,025 cap.
L. C. BARRETO
São Paulo
Fill level
68.7%
122 hm³
/ 1,423 cap.
CACONDE
São Paulo
Fill level
76.4%
385 hm³
/ 555 cap.
IGARAPAVA
São Paulo
Fill level
105.0%
15 hm³
/ 480 cap.
PARANAPANEMA
4 reservoirs · avg 66.4%CAPIVARA
São Paulo
Fill level
97.8%
5599 hm³
/ 10,540 cap.
CHAVANTES
São Paulo
Fill level
56.2%
1709 hm³
/ 8,795 cap.
JURUMIRIM
São Paulo
Fill level
49.9%
1578 hm³
/ 7,008 cap.
TAQUARUÇU
São Paulo
Fill level
61.7%
85 hm³
/ 677 cap.
PARAIBA DO SUL
3 reservoirs · avg 49.6%About reservoirs in São Paulo
As of July 28, 2026, the reservoirs we track across São Paulo that report live levels hold roughly 28,105 hm³ of water — about 24.2% of their combined capacity. Taken together, São Paulo's reservoirs are low.
None of the tracked reservoirs are currently at critically low levels. IGARAPAVA is the fullest at 105.0%, while SANTA BRANCA is the lowest at 40.5%.
Over the most recent week on record, 6 reservoirs rose and 5 reservoirs fell across São Paulo.
Storage figures for São Paulo 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.
São Paulo at a glance
- Reservoirs tracked
- 19
- Average fill
- 24.2%
- Water stored
- 28,105 hm³
- Combined capacity
- 116,135 hm³
- Fullest
- IGARAPAVA (105.0%)
- Lowest
- SANTA BRANCA (40.5%)
- Last updated
- July 28, 2026
Frequently asked questions
How full are reservoirs in São Paulo right now?
As of July 28, 2026, the reservoirs tracked in São Paulo that report live levels are 24.2% full overall, holding about 28,105 hm³ of water.
How many reservoirs are there in São Paulo?
reservoirs.earth tracks 19 reservoirs in São Paulo, with a combined storage capacity of 116,135 hm³.
Which reservoir in São Paulo is the fullest?
IGARAPAVA is currently the fullest reservoir in São Paulo, at 105.0% of capacity.
Which reservoir in São Paulo is the lowest?
SANTA BRANCA is currently the lowest in São Paulo, at 40.5% of capacity.
Where does the reservoir data for São Paulo come from?
All storage figures for São Paulo come from ONS, an official source, last updated July 28, 2026.