Tunisia - Greater Tunis Sewerage and Reuse Project

Lerman, Zvi; Brooks, Karen; Csaki, Csaba

Tunisia - Greater Tunis Sewerage and Reuse Project

Lerman, Zvi | Brooks, Karen | Csaki, Csaba

The Greater Tunis Sewerage and Reuse Project will assist the government in (a) improving service levels of urban sewerage up to the average level of potable water service; (b) promoting efficient reuse of effluent from sewerage treatment plants for agricultural purposes; (c) reducing urban and coastal pollution; (d) improving cost recovery and financial capacity of the national agency in charge of sewerage management (ONAS); (e) introducing appropriate new sewage treatment technology; (f) providing technical assistance to develop private sector participation in the sewerage sector; and (g) acquiring environmental monitoring and management equipment and tools, and studies. There are two components. The urban sewerage for ONAS component includes: (1) extending and rehabilitating the Tunis South wastewater treatment plant (WWTP); (2) restructuring the western Tunis sewerage collection system; (3) strengthening the southern Tunis sewage collection system and connecting villages to the WWTP; (4) extending the Northern Tunis sewage collection system and constructing a liaison conduit; and (5) extending, rehabilitating, and resizing the sewage collection networks of Central and Northern Tunis; (6) strengthening all secondary sewer systems; (7) building pumping systems; (8) acquiring miscellaneous sewer maintenance and management equipment; and (9) technical assistance, studies, and research work. The second component, the agricultural component for the Ministry of Agriculture, includes: (1) building a multi-seasonal storage basin with a capacity of one to two million cubic meters in the El Attar valley; (2) equipping an area of 1,000 ha to be irrigated with treated sewage; and (3) carrying out a pilot project for groundwater recharge with tertiary treated purified sewage.

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