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Foz do Iguaçu · Ciudad del Este · Puerto IguazúSaturday, July 11, 2026
Open border data
Direct answer: Itaipu reservoir level and flows (inflow, turbined, spilled) — the dam's water-to-energy story.
Source: ONS. License: CC BY 4.0 — Marco Três. What the series measures: cota, afluente, turbinada, vertida.