In the Ribatejo region of Portugal, municipalities began discussing a possible aggregation within the framework of a Public Policy approved in 1993. However, in 2005, the political majority changed within one of the municipalities. Opposed to making investments in neighboring rural areas, leaders in a wealthy city withdrew from the aggregation process. However, with the goal of achieving better quality services and greater environmental sustainability, Águas do Ribatejo in Portugal moved forward with aggregation. Watch doubts and tensions overcome after two municipalities withdrew permanent political support after implementation of WSS utilities aggregation in Portugal.