Great Man-Made River Hasouna-Sahl Jefara System
Fossil-aquifer conveyance, Design 2 million m3/day, expandable to 2.5 million m3/day; available output reported at about 1.3 million m3/day; 983 km main line of 3.6 and 4 m diameter and about 753 km of collection lines of 300 mm to 4 m; 473 production wells and 31 monitoring and test wells in Libya.
The record
- Country
- Libya
- Location
- Jabal Hasouna to Tripoli
- Coordinates
- —
- Technology
- Fossil-aquifer conveyance
- Capacity
- Design 2 million m3/day, expandable to 2.5 million m3/day; available output reported at about 1.3 million m3/day; 983 km main line of 3.6 and 4 m diameter and about 753 km of collection lines of 300 mm to 4 m; 473 production wells and 31 monitoring and test wells
- Capital cost
- —
- Stage
- Operational
- Owner or client
- Great Man-Made River Authority
- Contractor
- —
- Operator
- Great Man-Made River Authority
- Finance
- Libyan state
- Award or start year
- 1989
- Commissioned
- 1996-08
Record last checked 2026-09-18.
History
- 1989-08
Second phase launched on 26 August 1989
- 1996-08
Water reached the Sidi Assaiah reservoir in Tripoli on 28 August 1996 and the system entered partial operation at 250,000 m3/day
- 2006
Formal system reception
- 2020
Armed group loyal to Khalifa Haftar seized a control station and shut down pumps, as reported by the Tahrir Institute
Sources
6 references
Every field in the record above is taken from the references below. A field that none of them confirms prints as a dash.
- Great Man-Made River Authority, Hasouna - Sahl Jefara system. gmra.com.ly.
- Design 2 million m3/day of groundwater with potential expansion to 2.5 million; collecting lines about 753 km of 300 mm to 4 m and a main line of 983 km at 3.6 and 4 m; 473 production wells and 31 monitoring and test wells at Jabal Hasouna; six stabilisation and pressure reservoirs at Al Shweeref, Tarhuna, Sidi Essid, Abu Aisha and Al Garabulli; partial operation from August 1996 at 250,000 m3/day rising to about 1.2 million m3/day, formal system reception in 2006, available productivity about 1.3 million m3/day; accessory links Tarhuna to Abu Zian, 82 km carrying 800,000 m3/day, and Tripoli to Well Tarfas, 62 km with nine reservoirs of 86,000 m3 each.
- Great Man-Made River Authority, History and evolution of GMMR. gmra.com.ly.
- Authority created by Law 11 of 1983 with funding under Law 10 of 1983; groundbreaking at Sarir on 28 August 1984; Brega pipe plant opened 28 August 1986; second phase launched 26 August 1989; Ajdabiya reservoir first received water 11 September 1989; Omar Mukhtar and Gardabiya reservoirs 4 September 1991; water reached the Sidi Assaiah reservoir in Tripoli 28 August 1996; fourth phase contract signed 10 October 2001; design capacity 4 million m3/day rising to 6.4 million m3/day when complete.
- Tahrir Institute for Middle East Policy, Achref Chibani, From the River to the Sea, Water Management in Libya, 14 Jul 2022. timep.org.
- MENA Water Review major projects register and PPP pipeline — compiled from procurer publications, development-bank project pages and trade reporting; each record names its source.
States Libya has eight desalination plants, one not operating and the other seven running at about 28 per cent of capacity, and 75 sewage treatment plants of which only 10 operate, treating under 11 per cent of urban wastewater; records the 2020 seizure of a Great Man-Made River control station by an armed group loyal to Khalifa Haftar.