GOVERNORATE OF TUNIS
Data 2009
 Governorate Population: 1 000 000
 Urban Population: 1 000 000
 Municipalities in ONAS action zone: City of Tunis – La Marsa – Carthage – Sidi Bou Said – La Goulette – Le Kram – Bardo – Sidi Hassine.
 Population in ONAS action zone: 1 000 000
 Number of inhabitants connected to ONAS sewarage: 955 000
 Connection rate: 95,5%
 Network length: 2131 km
 Number of installations: 2 wastewater treatment plants, 68 pumping stations
 Water volume collected per year : 47.75 million m3
 Water volume treated per year : 47.75 million m3
Private sector participation
 Network operated by the private sector (km) : 618
 Rate of participation : 29%
ONAS figures updating - April 2010

 

Official web site of the National Sanitation Utility