The Alicante's province, located mostly in Júcar´s Water Basin in Spain, deals with water stress and land development since 1980s. The provisions about climate change in the area suggest that water stress will increase, so it is necessary to integrated it with spatial planning. This issues is also happens in Caraguatatuba, northern coast of São Paulo State in Brazil. There are planning tools developed for assessment the water stress, as Flooding´s Risk Management Plan and Alert and Drought Period Special Plan in Júcar´s Water Basin and Water´s Safety Plan for Caraguatatuba. The main of this paper is to analyze the spanish tools to identify a commum structure for replicated it. Other main is, by the spanish practice, to identify opportunities for improvement the water stress management in Caraguatatuba. As results there are procedures in water stress planning, which deals with land use directives.