Watershed is an area of land which is an integral part of the river and its tributaries,
which serves to accommodate, store and drain water from rainfall to the lake or to the
sea naturally, which is the dividing boundary on land topographic and sea boundary
up the water area is still affected by land activities. The problems of this research is
how watershed management center conduct efforts to prevent environmental damage
Studies used empirical legal research is focused on the role of watershed management
center to prevent environmental damage in Opak watershed. From the results of a
critical land inventory conducted by the Serayu Opak Progo Watershed Management
Center. In 2004 it was found that the most of the watershed in the Serayu Opak Progo
were in critical condition