State · Brazil
Rio Grande do Sul
26.5% average fill
Reservoirs
6
Volume stored
3,386 hm³
Total capacity
12,798 hm³
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Reservoirs
2 basinsURUGUAI
3 reservoirs · avg 49.9%JACUI
3 reservoirs · avg 57.3%About reservoirs in Rio Grande do Sul
As of June 10, 2026, the reservoirs we track across Rio Grande do Sul that report live levels hold roughly 3,386 hm³ of water — about 26.5% of their combined capacity. Taken together, Rio Grande do Sul's reservoirs are low.
None of the tracked reservoirs are currently at critically low levels. PASSO REAL is the fullest at 61.2%, while FOZ CHAPECO is the lowest at 43.7%.
Over the most recent week on record, 2 reservoirs rose and 2 reservoirs fell across Rio Grande do Sul.
Storage figures for Rio Grande do Sul come from ONS; the most recent reading is from June 10, 2026. Each reservoir below links to its own page with full history and seasonal context.
Rio Grande do Sul at a glance
- Reservoirs tracked
- 6
- Average fill
- 26.5%
- Water stored
- 3,386 hm³
- Combined capacity
- 12,798 hm³
- Fullest
- PASSO REAL (61.2%)
- Lowest
- FOZ CHAPECO (43.7%)
- Last updated
- June 10, 2026
Frequently asked questions
How full are reservoirs in Rio Grande do Sul right now?
As of June 10, 2026, the reservoirs tracked in Rio Grande do Sul that report live levels are 26.5% full overall, holding about 3,386 hm³ of water.
How many reservoirs are there in Rio Grande do Sul?
reservoirs.earth tracks 6 reservoirs in Rio Grande do Sul, with a combined storage capacity of 12,798 hm³.
Which reservoir in Rio Grande do Sul is the fullest?
PASSO REAL is currently the fullest reservoir in Rio Grande do Sul, at 61.2% of capacity.
Which reservoir in Rio Grande do Sul is the lowest?
FOZ CHAPECO is currently the lowest in Rio Grande do Sul, at 43.7% of capacity.
Where does the reservoir data for Rio Grande do Sul come from?
All storage figures for Rio Grande do Sul come from ONS, an official source, last updated June 10, 2026.