State · Brazil
Piauí
30.4% average fill
Reservoirs
1
Volume stored
1,546 hm³
Total capacity
5,085 hm³
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Reservoirs
1 basinAbout reservoirs in Piauí
As of July 28, 2026, the reservoirs we track across Piauí that report live levels hold roughly 1,546 hm³ of water — about 30.4% of their combined capacity. Taken together, Piauí's reservoirs are low.
None of the tracked reservoirs are currently at critically low levels.
Storage figures for Piauí 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.
Piauí at a glance
- Reservoirs tracked
- 1
- Average fill
- 30.4%
- Water stored
- 1,546 hm³
- Combined capacity
- 5,085 hm³
- Fullest
- BOA ESPERANÇA (80.9%)
- Last updated
- July 28, 2026
Frequently asked questions
How full are reservoirs in Piauí right now?
As of July 28, 2026, the reservoirs tracked in Piauí that report live levels are 30.4% full overall, holding about 1,546 hm³ of water.
How many reservoirs are there in Piauí?
reservoirs.earth tracks 1 reservoir in Piauí, with a combined storage capacity of 5,085 hm³.
Which reservoir in Piauí is the fullest?
BOA ESPERANÇA is currently the fullest reservoir in Piauí, at 80.9% of capacity.
Where does the reservoir data for Piauí come from?
All storage figures for Piauí come from ONS, an official source, last updated July 28, 2026.