01
Executive overview
Key findings
€141 million: drinking water turnover in 2025 (Vewin), up from €97 million in 2022
€54 million: estimated value of the works contract for the second slow sand filter (LZF2) at Weesperkarspel (November 2024 notice); construction planned from 2027, in use 2031
95 million m3: drinking water produced in 2025, for 543 thousand connections on a 3,355 km network
€90.3 million: loans outstanding at 31 December 2022, as reported in AGV's accounts before the split
02
Buyer relevance
Who the report is for
Civil and building contractors
Plan for the Weesperkarspel slow sand filter, with works estimated at €54 million and construction planned from 2027.
Precast concrete and materials suppliers
Prepare for the €4 million prefab package for twelve filter beds announced in June 2026.
Business development teams at engineering and service firms
Use the Opportunity Register and the Mercell route to decide which Waternet tenders to pursue and which belong to the city after phase 2.
03
Decision scope
Questions answered
What is Waternet's largest published project?
A second slow sand filter at Weesperkarspel, with a works estimate of €54 million, construction planned from 2027 and use from 2031.
How does Waternet buy?
Through EU open tenders published on TenderNed and TED, with documents and submissions on its Mercell buyer profile; drinking water work falls under Directive 2014/25/EU.
How large is Waternet's drinking water business?
Turnover was €141 million in 2025, up from €97 million in 2022, with 95 million m3 produced for 543 thousand connections.
Which recent tenders have closed?
Water meter replacement (estimated €2 million) closed on 2 October 2026, and groundwater telemetry (estimated €11 million) closed on 20 April 2026.
04
Inside the report
Inside the complete report
1. The Account at a Glance
2. Organisation and Decision-Making
3. Financial Position
4. Priorities and Pressures
5. How Waternet Buys
6. Opportunity Register
7. Commercial Priorities: Where to Focus First
8. Watch List: What to Monitor and What to Do
Source Register
05
Public preview
What to watch next
2027 tariffs
The first signal of how the capacity programme will be funded after the one-off 2026 cut.
LZF2 contractor and permit
Sets the main works and subcontract routes to 2031.
Post-split annual accounts
First view of the stand-alone balance sheet and borrowing.
Leiduin works start
Second capacity project, cost not yet published.
The Opportunity Register lists Waternet projects and tenders with their status, stage and route in.

06
Included
What you receive
The complete PDF report: 11 pages, 9 sections, 7 tables and a register of 24 sources.
This edition
November 2026, First edition.
07
Evidence & method
Evidence and method
The brief draws on Vewin company data and residential rates, the foundation's statutes as at 1 January 2026, AGV's annual accounts to 2022, Waternet project pages and tariff announcements, and procurement notices on TenderNed and TED from 2024 to 2026.
Sources
24 sources, listed in the report's source register. Evidence current to 4 November 2026. Principal data periods: Vewin company data for 2015–2025 and residential rates to 2026; borrowing as reported in AGV's accounts to 31 December 2022. Project and procurement status checked against public sources on 4 November 2026. All currency is euros (€)..
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
Waternet: Utility Account Brief
- Format
- Length
- 11 pages
- Edition
- November 2026, First edition
- Price
- USD 499
11
Report details
Publication details
- Publisher
- Our Future Water Intelligence
- Report family
- Utility Account Brief
- Edition
- November 2026, First edition
- Format
- Length
- 11 pages
- Reference
- OFW_EXT_WATERNET_UTILITY_ACCOUNT_BRIEF_4541553285ca
- Evidence current to
- 4 November 2026
14
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