This paper investigates emerging models of governance for shared water resources in decentralized urban regions in Indonesia and draws on a case of inter-local government collaboration for shared water resources in Cirebon region, Indonesia. The paper points to cooperation practice involving a mixed-model of governance for sharing water. by identifying a series of requirements for mixed governance. This model suits well not only because of the regional nature of water resource management in general, but also because such a model is likely to strengthen trust, increase transparency, and provide more equal positions among regions or stakeholders involved. Crucially, this model tends to decrease problematic levels of local autonomy and inter-local rivalry, which currently appears as a major challenge for shared water resource cooperation attempts in the decentralizing contexts of Indonesia and beyond.