Ait Sidi Musa Irrigation System, Sefrou, Morocco

Resource System
Watershed and associated topography
Resource Units
Irrigation water

The Ait Sidi Musa irrigation system is located northwest from the town of Sefrou in Morroco.  It encompasses a geographical area of approximately 147 ha which is characterized by little precipitation and high elevation (1,300 meters).  The case study involves an undetermined snapshot in time and catalogues an action situation involving an unknown number of community members and households which are dependent on the water distribution system (mubih or queue distribution system) to divert stream water to their fields.  Water is the primary fugitive resource unit. 

The original case study authors focused on water scarcity and its influence on institutional performance.  The case study has subsequently been used in comparative analyses regarding Ostrom's Design Principles (see bibliography).