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Executive overview
Key findings
19 dams, 97.1% full: the Integrated Vaal River System's combined storage on October 6, 2026
780 → 1,270 million m³ a year: transfers from Lesotho before and after Lesotho Highlands Phase II
1,803 million m³ a year: Rand Water's abstraction allocation from the Vaal system (February 2026)
4.37%: avoidable water lost as a share of water produced, against a 5% target (FY 2025)
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Buyer relevance
Who the report is for
Development finance institutions and lenders
Understand how the Lesotho Highlands Phase II timetable, the new national water infrastructure agency and municipal debt bear on Gauteng's bulk water system.
Engineering consultants and contractors
See where the 2026–2030 plan directs work: R26,610 million of augmentation and renewals, reservoirs and energy self-reliance.
Government and municipal officials
Compare Rand Water's service indicators with the 2026 outage events and municipal use against allocations.
Analysts of South African infrastructure
Use the institutional map of the Department, the Lesotho bodies, the new agency, Rand Water and municipalities to locate accountability for each link.
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Decision scope
Questions answered
How full is Gauteng's water resource system?
The Integrated Vaal River System's 19 dams held 97.1% combined storage on October 6, 2026, against 99.6% on January 28, 2026.
Why can Rand Water not simply supply more water?
Its abstraction allocation is 1,803 million m³ a year, about 4,940 ML/d, while peak day demand reached 5,161 ML/d in FY 2025.
When does Lesotho Highlands Phase II add water?
Polihali Dam was 53% complete in September 2026 with impounding expected from July 2027; Phase II raises transfers from 780 to 1,270 million m³ a year.
How well does Rand Water perform as a bulk supplier?
In FY 2025 it reported 99.89% acute health microbiological compliance, 4.37% avoidable water lost against a 5% target and 0 days of supply disrupted.
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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
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Public preview
What to watch next
1. Water Resource Profile
The Department's review of Rand Water's abstraction license after the temporary increase; Polihali impounding from July 2027; raw water quality at the Vaal Dam source.
2. Governance and Institutional Framework
The national agency's operational start in April 2027 and its first borrowing; passage of the Water Services Amendment Bill; any independent economic regulator for water; extension of the Emfuleni model to other municipalities.
3. Infrastructure and Service Delivery
Confirmation that Station 5A operates at its full 600 ML/d; progress on the reservoir expansion program; whether the joint power committee reduces Eikenhof interruptions; supply restrictions on over-consuming municipalities.
Strategic Outlook and Opportunities
Polihali impounding in July 2027 and tunnel progress; Rand Water's FY 2026 integrated annual report and actual capital spending against the R3,678 million planned for 2026; the national agency's start-up; the Water Services Amendment Bill; the first alternative water project to reach design.
Section 3: Rand Water's bulk system, recent and planned infrastructure, and service delivery indicators for FY 2024 and FY 2025.
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Included
What you receive
The complete PDF report: 12 pages, 6 sections, 12 tables and a register of 24 sources.
This edition
October 2026, First edition.
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Evidence & method
Evidence and method
The report draws on Rand Water's FY 2025 integrated annual report and March 2026 presentation to Parliament, Department of Water and Sanitation dam level and ministerial statements, Lesotho Highlands project updates, parliamentary and Auditor-General records, the 2025 Water and Sanitation Indaba resolutions and National Treasury budget documents.
Sources
24 sources, listed in the report's source register. Evidence current to 30 October 2026. Principal data periods: FY 2025 (year ended June 30, 2025) integrated annual report and Rand Water's March 17, 2026 presentation to Parliament; Department of Water and Sanitation dam levels for January and October 2026; institutional and project status to October 2026. All currency is South African rand (R)..
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: Rand Water
- Format
- Length
- 12 pages
- Edition
- October 2026, First edition
- Price
- USD 499
11
Report details
Publication details
- Publisher
- Our Future Water Intelligence
- Report family
- Water Utility Intelligence Report
- Edition
- October 2026, First edition
- Format
- Length
- 12 pages
- Reference
- OFW_EXT_WATER_SYSTEMS_OVERVIEW_RAND_WATER_6426a506f0f9
- Evidence current to
- 30 October 2026
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