Muscat and Sharqiyah Water and Wastewater Services Partnership (Cluster 1)
Water and wastewater operation and maintenance with treated effluent reuse, 22 wastewater treatment plants totalling 280,000 m3/day, 3,000 km of sewers and 400 km of treated effluent networks delivering water for reuse, alongside 470,000 m3/day of drinking water from 240 wells and four refurbished desalination plants across 10,700 km of pipelines in Oman.
The record
- Country
- Oman
- Location
- Muscat
- Coordinates
- —
- Technology
- Water and wastewater operation and maintenance with treated effluent reuse
- Capacity
- 22 wastewater treatment plants totalling 280,000 m3/day, 3,000 km of sewers and 400 km of treated effluent networks delivering water for reuse, alongside 470,000 m3/day of drinking water from 240 wells and four refurbished desalination plants across 10,700 km of pipelines
- Capital cost
- EUR 2 bn (RO 878 m) 15-year performance-based service contract, announced 29 June 2026; a service-contract value, not counted as capital value
- Stage
- Awarded
- Owner or client
- Nama Water Services, the Oman Water and Wastewater Services Company SAOC
- Contractor
- National Sustainable Water Alliance LLC, a consortium of Suez, National Trading Company LLC and National Energy Center SAOC
- Operator
- National Sustainable Water Alliance LLC, with Suez leading operations management for water and wastewater
- Finance
- Performance-based operation and maintenance contract of EUR 2 billion, reported locally as RO 878 million, over 15 years
- Award or start year
- 2026
- Commissioned
- —
Record last checked 2026-09-20.
History
No dated milestones recorded yet. They are added as each is confirmed against a public announcement.
Sources
4 references
Every field in the record above is taken from the references below. A field that none of them confirms prints as a dash.
- Suez, 2bn euros over 15 years: SUEZ secures its largest contract in the Middle East, to support the sustainability of the water sector in Oman, 29 June 2026. suez.com.
- Nama Water Services granted Suez, National Trading Company and National Energy Center a performance-based contract for Muscat, North Sharqiyah and South Sharqiyah, called Cluster 1, covering 2.3 million people or 43 per cent of Oman's population; the scope is 240 wells and 10,700 km of pipelines distributing 470,000 m3/day, refurbishment and upgrading of four desalination plants, more than 400,000 smart meters, 22 wastewater treatment plants of 280,000 m3/day in total, about 3,000 km of sewers and 400 km of treated effluent networks delivering treated water for reuse; 33 key performance indicators determine remuneration, including cutting water losses from 34 to 11 per cent by 2040, and Omanisation exceeds 83 per cent.
- Muscat Daily, Nama Water awards RO878mn contract to SUEZ-led consortium, 1 July 2026. muscatdaily.com.
- 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.
gives the value as RO878 million (EUR 2 billion) and names 22 wastewater treatment plants in the scope. This is the only named, procured and scoped vehicle found for reuse in Muscat; the treated effluent volumes themselves are published only as utility aggregates.