As of January 2023, the state of Rio de Janeiro has inspected ** dams for factors that may constitute accident risk. Of these, six present a high accident level, while seven present a medium risk, and another seven present a low-risk level.
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Instituto Estadual do Ambiente. (January 18, 2023). Number of dams at risk in the state of Rio de Janeiro in 2023, by risk level [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved August 01, 2026, from /statistics/1384670/rio-de-janeiro-number-of-dams-at-risk/
Instituto Estadual do Ambiente. "Number of dams at risk in the state of Rio de Janeiro in 2023, by risk level." Chart. January 18, 2023. ÌÇÐÄÆÆ½â°æ. Accessed August 01, 2026. /statistics/1384670/rio-de-janeiro-number-of-dams-at-risk/
Instituto Estadual do Ambiente. (2023). Number of dams at risk in the state of Rio de Janeiro in 2023, by risk level. ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: August 01, 2026. /statistics/1384670/rio-de-janeiro-number-of-dams-at-risk/
Instituto Estadual do Ambiente. "Number of Dams at Risk in The State of Rio De Janeiro in 2023, by Risk Level." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 18 Jan 2023, /statistics/1384670/rio-de-janeiro-number-of-dams-at-risk/
Instituto Estadual do Ambiente, Number of dams at risk in the state of Rio de Janeiro in 2023, by risk level ÌÇÐÄÆÆ½â°æ, /statistics/1384670/rio-de-janeiro-number-of-dams-at-risk/ (last visited August 01, 2026)
Number of dams at risk in the state of Rio de Janeiro in 2023, by risk level [Graph], Instituto Estadual do Ambiente, January 18, 2023. [Online]. Available: /statistics/1384670/rio-de-janeiro-number-of-dams-at-risk/