For many years after the collapse of theSoviet economy, most of the water supply and sanitationsystems in Armenia were in disrepair. The country was facedwith increasing demand, deteriorating assets and dilapidatedinfrastructure, which resulted in a steadily decreasing andcostly provision of services. Despite an abundance of waterin the country, for almost all Armenians, water wasavailable for only a few hours a day. In recent years,Armenia has made significant strides in reforming the watersector by developing policies, enacting laws, and drawing upplans, programs and strategies aimed at improving waterservice provision. This report presents a background to thewater and wastewater sector in Armenia and summarizes thestrategy that the Government of Armenia took to meet thechallenges faced by the sector through the effective andpragmatic use of different modalities of Public-PrivatePartnerships (PPP). Section 2 of this report analyzes thesuccesses and challenges to date, as well as evaluatesagainst some key criteria, progress by each of the threetypes of PPP used in the country. Section 3 summarizes someof the key lessons learned. Section 4 discusses possiblefuture PPPs in the water sector.