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This report presents a multi-criteria sustainability assessment method for urban and peri-urban sanitation systems, applied as a case study in Montero, Bolivia. It evaluates four system types—conventional sewers, condominial sewers, septic tanks, and urine-diverting dry toilets—across five dimensions: health and hygiene, environmental, social, economic, and technical/institutional sustainability. The study compares existing systems with 'optimized' versions and discusses the role of technological innovations in improving public health and environmental protection.

This report evaluates the sustainability, user preferences, agricultural demand for reused products, and governance capacity of sanitation systems in Montero, Bolivia. It examines a mix of centralized sewer-based systems and decentralized in situ options, concluding that while technical optimizations can improve environmental and health outcomes, long-term sustainability requires stronger governance, policy instruments, and increased public awareness.

This report evaluates the integration of sewered and non-sewered sanitation systems in Montero, Bolivia, focusing on sustainability, user preferences, agricultural reuse of waste, and governance capacity. It highlights the role of the cooperative utility COSMOL in managing mixed systems and identifies technical and policy gaps that hinder the scaling of sustainable on-site sanitation.