This document shows, in its first part, the water resources management in Greek's agricultural sector with special emphasis in it's relation to the Participatory Irrigation Management, showing aspects that need to be improved, but as well a successful project experience. Irrigation land in Greece covers an area of more than 1,400,000 hectares, with the Common Reclamation Works (CRW) facing the 40 percent of the total irrigated land. The CRW are managed by 420 associations with administrative, operational and conservation duties. As a case study, a successful example for a good participatory water management in Greece is that of the Organization of Development of the West Crete, established in 1979, is given. In its second part, the paper exhibits a review of the rich Greek history, giving the agricultural hydraulic works in ancient times and a catalog of ancient Greek philosophers with their contributions, revealing a correct understanding of water related phenomena.