Jubail to Riyadh Water Transmission System (RWTS)
Water transmission pipeline, 830,000 m3/day as built; 1.2 million m3/day on phase 3, 815 km in Saudi Arabia.
Operational
The record
- Country
- Saudi Arabia
- Location
- Jubail to Riyadh
- Coordinates
- —
- Technology
- Water transmission pipeline
- Capacity
- 830,000 m3/day as built; 1.2 million m3/day on phase 3, 815 km
- Capital cost
- —
- Stage
- Operational
- Owner or client
- Saline Water Conversion Corporation, now the Saudi Water Authority
- Contractor
- Mannesmann Anlagenbau and the Al Rashid-HAK consortium (original system); Limak (pumping stations and reservoirs, 2018-2023)
- Operator
- Water Transmission and Technologies Company
- Finance
- Saudi government capital budget
- Award or start year
- 1987
- Commissioned
- 1987
Record last checked 2026-09-18.
History
- 1980
Construction of the Riyadh Water Transmission System began
- 1987
System completed, about 500 km of twin 150 cm pipeline, six pumping stations, 830,000 m3/day
- 2018-09
Limak began work on pumping stations and 14 reservoirs totalling 2.38 million m3
- 2022
SWCC lists phase 3 at 815 km and 1.2 million m3/day among implemented projects
- 2023-07
Substantial completion of the pumping stations and reservoirs
Sources
5 references
Every field in the record above is taken from the references below. A field that none of them confirms prints as a dash.
- BGG Consult Dr Peter Waibel ZT-GmbH, Water Pipelines RWTS and MTTS, Saudi Arabia. bgg.at.
- the Riyadh Water Transmission System runs about 500 km from the Gulf to Riyadh as a twin pipeline of 150 cm diameter, carries 830,000 m3/day through six pumping stations and climbs 700 m, built for the Mannesmann Anlagenbau and Al Rashid-HAK joint venture between 1980 and 1987. Saline Water Conversion Corporation, Annual Report 2022 (English), Production Plants Map, p. 73. swcc.gov.sa.
- lists the Al-Jubail to Riyadh transmission system phase 3 at 815 km and 1.2 million m3/day among implemented projects, and a reconstruction of the Al-Jubail to Riyadh pipeline A-B at up to 850,000 m3/day among ongoing projects.
- Limak project page, Jubail-Riyadh Water Transmission Line, Saudi Arabia. limak.com.tr.
- 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.
one main and two intermediate pumping stations plus 14 steel water storage tanks, seven in Jubail and seven in Riyadh, each 170,000 m3, 2.38 million m3 in total, started September 2018, substantial completion July 2023. Coordinates left blank because the row describes a corridor of about 500 km rather than a site.