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Executive overview
Key findings
759,167: water accounts at 31 December 2025, up 3.01% in the year (actual)
37.10%: water losses in 2024, against a 2024 target of 35.00% (actual)
OMR 11.1 billion: Integrated Master Plan capital spending to 2050, of which OMR 7.2 billion is for wastewater (plan, presented December 2025)
15 years: performance-based operation and maintenance contract for Muscat and North and South Al Sharqiyah, serving 2.3 million inhabitants, awarded June 2026 (contract awarded)
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Buyer relevance
Who the report is for
Water operators and contractors bidding in Oman
See which phases of the system are being built, contracted out or tendered, including the Al Ansab and Al Amerat partnership with bids due 5 January 2027.
Lenders and investors in Omani infrastructure
Read how the price control and OMR 173.7 million of 2024 government subsidy sit behind the utility's revenue and borrowing.
Desalination and bulk water specialists
Place the nine plants in the 2025 bulk supply tariff against Nama Water Services' water output, deliveries and losses.
Policy and sector advisers
Map who licenses, supplies, operates and oversees each part of the system, from the regulator to the Cluster 1 operator.
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Decision scope
Questions answered
How much water does Nama Water Services lose?
Losses were 37.10% of water produced in 2024, against a target of 35.00%, down from 41.82% in 2021.
Where does the drinking water come from?
About 90% of water output in 2025 was desalinated and about 10% groundwater, as reported from the utility in May 2026.
How is the utility funded?
Under a price control applied from 1 January 2024; in 2024 operating revenue of OMR 428.7 million included OMR 173.7 million of government subsidy.
What is the long-term capital plan?
An Integrated Master Plan of OMR 11.1 billion to 2050, of which OMR 7.2 billion is for wastewater.
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Inside the report
Inside the complete report
Executive Overview
1. Water Resource Profile
2. Governance and Institutional Framework
3. Infrastructure and Service Delivery
Strategic Outlook and Opportunities
Source Register
05
Public preview
What to watch next
1. Water Resource Profile
Commissioning of the Wadi Dayqah plant, expected in May 2027; results of the aquifer storage pilot; the FY 2025 delivered-water figure, which will show whether lower production reflects lower losses.
2. Governance and Institutional Framework
FY 2025 audited financial statements, including the subsidy entitlement and borrowings; any change to the price control formula or retail tariffs; the first issuance under the Sustainable Finance Framework; how performance under the Cluster 1 contract is reported to the regulator.
3. Infrastructure and Service Delivery
The 2025 and 2026 loss rate against the 4% reduction; wastewater coverage and inflows; any change to the published retail tariffs.
Strategic Outlook and Opportunities
Bids for Al Ansab and Al Amerat on 5 January 2027 and the preferred bidder; any second operating cluster after Cluster 1; Wadi Dayqah commissioning in May 2027; completion of the Ibri, Yanqul and Dhank networks in Q2 2028; an award on the inter-governorate interconnection tender.
Strategic Outlook: status of Nama Water Services' major projects and contracts at 4 November 2026.

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Included
What you receive
The complete PDF report: 12 pages, 6 sections, 14 tables and a register of 23 sources.
This edition
November 2026, First edition.
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Evidence & method
Evidence and method
The report draws on Nama Water Services' annual reports for 2021 to 2025, its audited financial statements for 2023 and 2024, the regulator-approved bulk supply tariffs, the company's tariff and tender pages checked on 4 November 2026, and dated project announcements from the contractor and the Omani press.
Sources
23 sources, listed in the report's source register. Evidence current to 4 November 2026. Principal data periods: FY 2025 annual report (year ended 31 December 2025); FY 2024 audited financial statements; FY 2021–2024 annual reports; project and procurement status checked to 4 November 2026. All currency is Omani rials (OMR) unless stated..
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.
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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
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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.
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Water Systems Overview: Nama Water Services
- Format
- Length
- 12 pages
- Edition
- November 2026, First edition
- Price
- USD 499
11
Report details
Publication details
- Publisher
- Our Future Water Intelligence
- Report family
- Water Utility Intelligence Report
- Edition
- November 2026, First edition
- Format
- Length
- 12 pages
- Reference
- OFW_EXT_WATER_SYSTEMS_OVERVIEW_NAMA_WATER_SERVICES_fe4ca989e5a7
- Evidence current to
- 4 November 2026
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