Reglas informales en los consejos de cuenca. El caso del río Santiago

This article analyzes the implementation of a water policy on the Santiago River (Mexico), especially about social participation in water management, highlighting the role of informal rules in so called basin councils. Methodologically, ethnography is used to describe the functioning of this councils and identify the flaws in its implementation. It’s concluded that, in order to strengthen the governance of water, collective action on informal rules is required, in addition to the incidence on formal rules.