Bacia Hidrográfica · Brazil
Parana River Basin
84.9% average fill
Reservoirs
4
Volume stored
25,225 hm³
Usable capacity
29,713 hm³
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All reservoirs
4 reservatóriosITAIPU
Paraná
Fill level
97.6%
18,550 hm³
/ 19,000 useful cap.
I. SOLTEIRA
São Paulo
Fill level
63.1%
3,478 hm³
/ 5,515.5 useful cap.
PORTO PRIMAVERA
São Paulo
Fill level
55.9%
2,398 hm³
/ 4,294 useful cap.
JUPIA
Mato Grosso do Sul
Fill level
88.4%
799.1 hm³
/ 903.75 useful cap.
About reservoirs in Parana River Basin
As of October 26, 2026, the reservoirs we track across Parana River Basin that report live levels hold roughly 25,225 hm³ of water — about 84.9% of their combined capacity. Taken together, Parana River Basin's reservoirs are high.
None of the tracked reservoirs are currently at critically low levels. ITAIPU is the fullest at 97.6%, while PORTO PRIMAVERA is the lowest at 55.9%.
Over the most recent week on record, 2 reservoirs rose and 1 reservoir fell across Parana River Basin.
Storage figures for Parana River Basin come from ONS; the most recent reading is from October 26, 2026. Each reservoir below links to its own page with full history and seasonal context.
Parana River Basin at a glance
- Reservoirs tracked
- 4
- Average fill
- 84.9%
- Water stored
- 25,225 hm³
- Combined capacity
- 29,713 hm³
- Fullest
- ITAIPU (97.6%)
- Lowest
- PORTO PRIMAVERA (55.9%)
- Last updated
- October 26, 2026