01
Executive overview
Key findings
About 95 → about 107 million m3: forecast drinking water demand in the supply area, 2024 to 2035 (utility forecast)
70 → 75 million m3 a year: permitted abstraction at the Amsterdam Water Supply Dunes after a 2025 permit
Up to 6 billion liters a year: extra production planned from a second slow sand filter at Weesperkarspel, in use from 2031 (plan); works estimated at €54 million
94%: fall in Waternet's CO2 Performance Ladder footprint, from 67,153.1 t in 2019 to 4,045.1 t in 2023 (calculated)
02
Buyer relevance
Who the report is for
Supervisory board members and city officials in Amsterdam
Test the phase 2 governance choice against the capacity, tariff and shared-service issues set out in §1, §6 and §9.
Contractors and suppliers for drinking water treatment
Size the Weesperkarspel slow sand filter program (works estimated at €54 million, construction from 2027) and the Leiduin expansion.
Regulators and drinking water sector peers
Compare Waternet's post-split structure, ACM tariff review and 2022–2024 lead results with their own.
Lenders to Dutch public water companies
Read the pre-split loan series (€39.4 million to €90.3 million, 2017–2022) and the open questions on post-split backing.
03
Decision scope
Questions answered
How much new drinking water capacity has Waternet published?
About 11 million m3 a year: 5 million m3 from the 2025 Leiduin permit and up to 6 million m3 from Weesperkarspel, due in use in 2031.
How large is forecast demand growth?
From about 95 million m3 in 2024 to about 107 million m3 in 2035, with a separate project-page forecast of 122 million m3 a year by 2050.
How did Waternet cut its carbon footprint?
Its CO2 Performance Ladder footprint fell from 67,153.1 t in 2019 to 4,045.1 t in 2023, with grey electricity accounting for 62,834.7 t of the 63,108 t reduction.
What happens next to Waternet's structure?
Phase 1 of the split took effect on January 1, 2026; in phase 2 drinking water is to become a stand-alone company and sewer and water-management tasks return to the city, with no date set.
04
Inside the report
Inside the complete report
Executive Snapshot
1. From Service Provider to System Operator
2. System Intelligence and Digital Control
3. Energy, Carbon, and Resource Decoupling
4. Infrastructure Strategy for a Non-Stationary Climate
5. Customers, Demand, and the Water Prosumer
6. Governance, Regulation, and Institutional Reform
7. Capital Planning and Financial Architecture
8. Workforce, Capability, and Organisational Change
9. Strategic System Roadmap
Conclusion
Source Register
05
Public preview
What to watch next
4. Infrastructure Strategy for a Non-Stationary Climate
A works start and cost for the Leiduin expansion; the LZF2 permit, contractor appointment and prefab contract award, and whether construction starts in 2027; the cause of the Zuiderzeeweg failure; the successor to the 2022–2027 sewer program and who owns it.
5. Customers, Demand, and the Water Prosumer
The 2027 tariff decision, announced in November or December in recent years; any water-saving or alternative-water program with a target volume; the next demand forecast update.
7. Capital Planning and Financial Architecture
Waternet's first post-split annual accounts and loan position; any multi-year investment plan for drinking water; the financing structure chosen for the stand-alone drinking water company.
9. Strategic System Roadmap
A long-term drinking water supply plan that names new sources and volumes; phase 2 decisions; the 2027 tariff as the first signal of investment funding.
Section 4 sets out Waternet's capacity, sewer and resilience assets with their published status.
06
Included
What you receive
The complete PDF report: 14 pages, 12 sections, 15 tables and a register of 25 sources.
This edition
November 2026, First edition.
07
Evidence & method
Evidence and method
The report draws on Vewin company data and residential rates for 2015–2026, Waternet's CO2 Performance Ladder progress reports, 2025 drinking water quality reports, the foundation's statutes as at January 1, 2026, AGV annual accounts to 2022, Inspectorate and ACM publications, and 2024–2026 procurement notices.
Sources
25 sources, listed in the report's source register. Evidence current to 4 November 2026. Principal data periods: Vewin company data for calendar 2015–2025 and residential rates to 2026; CO2 Performance Ladder footprint 2019–2023; calendar 2025 drinking water quality results; governance and procurement status to November 2026. All currency is euros (€)..
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 Utility of the Future: Waternet
- Format
- Length
- 14 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
- 14 pages
- Reference
- OFW_EXT_WATER_UTILITY_OF_THE_FUTURE_WATERNET_447bdb930d42
- Evidence current to
- 4 November 2026
14
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