Subject(s): Water utilities in Developing countries. -- Public-private sector cooperation in Developing countries. -- Public-private sector cooperation. -- Growth of water PPPs since 1990, performance of water PPP projects -- Evolution of water PPPs in developing countries : Water sector in 1990s, private financing of water infrastructure, evolution of water PPP market since 1990, early termination and expiration of PPP projects, new operators -- Performance and impact of water PPP projects : Evidence from literature, access, quality of service, operational efficiency, tariffs, overall performance of PPP projects -- Towards more sustainable water PPPs : Lessons for more efficient and sustainable water PPPs, new generation of PPPs for urban water utilities