Prolagos Prolagos is a water and sanitation concession operator in Brazil's Rio de Janeiro state, serving five municipalities in the Lakes region since 1998. As part of Aegea Saneamento, the company has invested R$1.4 billion in infrastructure and sanitation improvements. Prolagos demonstrates one of the highest per-capita investments in sanitation services in Brazil.
Comprehensive water and sanitation services delivering significant infrastructure improvements and environmental benefits to Rio de Janeiro region residents.
Municipal governments, environmental agencies, residents in the Lakes region of Rio de Janeiro, and infrastructure investors in water services.
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Last verified: February 2, 2026
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