Remunicipalization is one model of public service delivery where the local government takes back provision by ending private concession contracts. In the words of Wollman and Bakker (both of whom have used the “swinging pendulum” metaphor), we’re moving from public to private to public again. While the vast majority of the literature on remunicipalizations has focused on European cases, we have reached a point where there are enough instances of Latin American municipalities taking back drinking water supply back into their hands. This paper uses a unique dataset on global remunicipalizations (Kishimoto, Lobina and Petitjean 2015, N=235) and focuses its analysis on Latin American countries. In the paper, I examine the factors that drove remunicipalization of water supply and discern potential causal mechanisms for this de-privatization movement. I argue that, while we have a larger number of cases of remunicipalization, it is hard to discern if there is enough data for a generalizable enough theory of water supply de-privatization. In light of this insight, I propose a research agenda on the potential effectiveness of remunicipalization as a strategy to strengthen local water utilities, bring the public back in and provide more democratic engagement in water policy in Latin America.