The document summarizes a public-private partnership model for water and sanitation services in Sechura, Peru. The specialized operator PROGESTION took over management and significantly improved access to potable water and sanitation. Key achievements included expanding coverage, implementing innovative technologies, increasing bill payment, and professionalizing operations. Factors for success included community support, a stable income source, and a supportive legal framework. Remaining challenges center around sustaining the model through political changes and delays in infrastructure investments.