The full-time staff-body of O.N.A.S , as at the end of 2009, counted 4660 employees distributed as follows:

502 executives
 816 supervisory staff 
 3342 workers










Capacity building
In order to promote the qualifications of ONAS employees and build their capacity, several training sessions are organised on an annual basis. These sessions cover various relevant fields


 
Official web site of the National Sanitation Utility