01
Executive overview
Key findings
RO 11.1 billion: Nama Water Services' Integrated Master Plan capital expenditure to 2050 across 410 projects in its licensed area (Oman excluding Dhofar); announced December 2025, with no Muscat split
US$370 million: project finance package closed for Ghubrah III (MEED, January 2025); the 300,000 m³ a day plant was 93% built in November 2026, with operations expected in Q2 2027
Bids due 5 January 2027: build-own-operate-transfer PPP to expand the Al Ansab and Al Amerat sewage treatment plants from 143,000 to about 261,000 m³ a day combined (calculated)
US$632 million: Islamic Development Bank loan for four flood-protection dams, including Wadi Al Khoudh in Seeb and Wadi Majlas in Qurayyat (MEED, June 2025)
02
Buyer relevance
Who the report is for
PPP developers, equity investors and lenders
Prepare for the Al Ansab and Al Amerat build-own-operate-transfer bids due on 5 January 2027, with the reported consortia and NWS's 2024 financial position alongside.
Civil, pipe-laying and dam contractors
Track the Wadi Al Khoudh dam award expected in Q4 2026, the 14 Al-Khoud drainage bids from US$125.94 million to US$389.93 million and the extended Seeb–Barka treated-effluent transmission tender.
Network and pumping suppliers
See each Al Seeb and Bawshar package by value, progress and due year, from the RO 25.7 million Al Ansab sewage network to packages running to 2029.
Consultants sizing the Omani water market
Compare NWS's RO 666 million 2025–2027 programme, RO 966 million under execution and RO 11.1 billion plan, with the calculated annual rates and wastewater shares.
03
Decision scope
Questions answered
How is Ghubrah III financed?
As an independent water project selling to Nama PWP under a purchase agreement to 2046, with a US$370 million project finance package from Kexim, Standard Chartered and Bank Dhofar (MEED, January 2025).
What wastewater contracts are open?
The Al Ansab and Al Amerat expansion PPP, raising combined capacity from 143,000 to about 261,000 m³ a day, with bids due on 5 January 2027, and the Al Seeb to Barka treated-effluent transmission line, whose deadline has been extended.
How much does Nama Water Services plan to invest?
RO 11.1 billion to 2050 across its licensed area, including RO 7.2 billion for wastewater, and RO 666 million in 2025–2027; these are licensed-area totals with no Muscat split.
Who funds Muscat's flood dams?
MAFWR, through the 10th Five-Year Plan portfolio of OMR 162,547,889 and a US$632 million Islamic Development Bank loan covering four dams including Wadi Al Khoudh in Seeb.
04
Inside the report
Inside the complete report
Executive Snapshot
1. Why This Matters Now in Muscat
2. Current Position
3. Key Programmes, Projects and Investment
4. Policy, Regulation and Institutions
5. Risks and Constraints
6. Strategic Implications
7. What to Watch
Source Register
05
Public preview
What to watch next
1. Why This Matters Now in Muscat
Seeb–Barka bid submissions on 16 November 2026, and whether the AK01 award lands in Q4 2026 as expected.
2. Current Position
Any Muscat breakdown of the master plan; NWS's 2025 audited commitments.
3. Key Programmes, Projects and Investment
Ghubrah III's commercial operation; the PPP shortlist after 5 January 2027; any NWS award for Sultan Haitham City's plant.
4. Policy, Regulation and Institutions
NWS's 2025 audited statements; the 2027 bulk supply tariff; any APSR price-control publication for NWS.
Section 3: Muscat's supply and wastewater project tables, with owner, value, financing model, stage and timeline for each project.
06
Included
What you receive
The complete PDF report: 14 pages, 9 sections, 13 tables and a register of 27 sources.
This edition
November 2026, First edition.
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Evidence & method
Evidence and method
The brief draws on Nama Water Services' 2025 annual report and 2024 audited accounts, its Integrated Master Plan presentation, Nama PWP's 7-Year Statement and bulk tariff, Oman's NDC 3.0, and project, financing and procurement reports from MEED, Oman Observer, Times of Oman and Zawya checked to 14 November 2026.
Sources
27 sources, listed in the report's source register. Evidence current to 14 November 2026. Principal data periods: Nama Water Services 2025 annual report and 2024 audited accounts; Integrated Master Plan and 2025–2027 capex programme (presented December 2025); project awards, financing and procurement to 14 November 2026. Currency: Omani rial (RO, written OMR in some sources), with US dollars (US$) and euros (€) where sources report them..
Evidence boundaries
This report uses authoritative source material available at the stated research cutoff. It distinguishes published facts, calculated values and analytical interpretation. No independent modelling is performed. Forward-looking analysis reflects published plans, documented trends and stated uncertainties. It does not constitute legal, financial, investment or engineering advice.
08
Lead analyst
Robert C. Brears
Founder, Our Future Water Intelligence
Robert C. Brears is a water-security specialist and author whose work examines utility governance, infrastructure investment, climate resilience and long-term water-system change for executive and policy audiences.
- Decision-focused utility intelligence
- Published water-policy author
- Evidence-grounded system analysis
09
Buyer FAQs
Before you purchase
Who can use the report?
Licensed for internal use within one purchasing organization. The PDF and its contents may be shared with colleagues within that organization. External redistribution, resale and public publication are prohibited without permission.
How is the report delivered?
The PDF is available to download immediately after confirmed payment, through our secure delivery system.
Can my organization buy wider access?
Institutional purchasing: For invoice enquiries, multi-organization licensing or broader access requirements, contact Our Future Water Intelligence.
10
Water Infrastructure Investment and Project Pipeline in Muscat
- Format
- Length
- 14 pages
- Edition
- November 2026, First edition
- Price
- USD 249
11
Report details
Publication details
- Publisher
- Our Future Water Intelligence
- Report family
- Insight Brief
- Edition
- November 2026, First edition
- Format
- Length
- 14 pages
- Reference
- OFW_EXT_WATER_INFRASTRUCTURE_INVESTMENT_AND_PROJECT_PIPELINE_IN_MUSCAT_936afdae62e4
- Evidence current to
- 14 November 2026
14
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